mirror of
https://github.com/Alfresco/alfresco-community-repo.git
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54fd55d6b3
- ALF-4977 Wildcard search leads to error (WCMQS) - added '&' to the list of stripped-out characters - Creation of a section now causes the creation of three collections by default (configurable) - CMIS query parser now allows ordering by property defined on an aspect git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@22931 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
1666 lines
76 KiB
Java
1666 lines
76 KiB
Java
/*
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* Copyright (C) 2005-2010 Alfresco Software Limited.
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*
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* This file is part of Alfresco
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*
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* Alfresco is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Alfresco is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.alfresco.cmis.search;
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import java.text.ParseException;
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import java.text.SimpleDateFormat;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.Date;
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import java.util.HashMap;
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import java.util.LinkedHashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.StringTokenizer;
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import org.alfresco.cmis.CMISDataTypeEnum;
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import org.alfresco.cmis.CMISDictionaryService;
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import org.alfresco.cmis.CMISJoinEnum;
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import org.alfresco.cmis.CMISPropertyDefinition;
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import org.alfresco.cmis.CMISQueryException;
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import org.alfresco.cmis.CMISQueryOptions;
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import org.alfresco.cmis.CMISScope;
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import org.alfresco.cmis.CMISTypeDefinition;
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import org.alfresco.cmis.CMISQueryOptions.CMISQueryMode;
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import org.alfresco.repo.search.impl.parsers.CMISLexer;
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import org.alfresco.repo.search.impl.parsers.CMISParser;
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import org.alfresco.repo.search.impl.parsers.FTSParser;
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import org.alfresco.repo.search.impl.parsers.FTSQueryException;
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import org.alfresco.repo.search.impl.parsers.FTSQueryParser;
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import org.alfresco.repo.search.impl.querymodel.Argument;
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import org.alfresco.repo.search.impl.querymodel.ArgumentDefinition;
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import org.alfresco.repo.search.impl.querymodel.Column;
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import org.alfresco.repo.search.impl.querymodel.Constraint;
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import org.alfresco.repo.search.impl.querymodel.Function;
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import org.alfresco.repo.search.impl.querymodel.FunctionArgument;
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import org.alfresco.repo.search.impl.querymodel.FunctionEvaluationContext;
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import org.alfresco.repo.search.impl.querymodel.JoinType;
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import org.alfresco.repo.search.impl.querymodel.ListArgument;
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import org.alfresco.repo.search.impl.querymodel.LiteralArgument;
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import org.alfresco.repo.search.impl.querymodel.Order;
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import org.alfresco.repo.search.impl.querymodel.Ordering;
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import org.alfresco.repo.search.impl.querymodel.ParameterArgument;
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import org.alfresco.repo.search.impl.querymodel.PredicateMode;
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import org.alfresco.repo.search.impl.querymodel.PropertyArgument;
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import org.alfresco.repo.search.impl.querymodel.Query;
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import org.alfresco.repo.search.impl.querymodel.QueryModelException;
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import org.alfresco.repo.search.impl.querymodel.QueryModelFactory;
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import org.alfresco.repo.search.impl.querymodel.Selector;
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import org.alfresco.repo.search.impl.querymodel.SelectorArgument;
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import org.alfresco.repo.search.impl.querymodel.Source;
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import org.alfresco.repo.search.impl.querymodel.Constraint.Occur;
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import org.alfresco.repo.search.impl.querymodel.QueryOptions.Connective;
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import org.alfresco.repo.search.impl.querymodel.impl.BaseComparison;
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import org.alfresco.repo.search.impl.querymodel.impl.functions.Child;
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import org.alfresco.repo.search.impl.querymodel.impl.functions.Descendant;
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import org.alfresco.repo.search.impl.querymodel.impl.functions.Equals;
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import org.alfresco.repo.search.impl.querymodel.impl.functions.Exists;
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import org.alfresco.repo.search.impl.querymodel.impl.functions.GreaterThan;
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import org.alfresco.repo.search.impl.querymodel.impl.functions.GreaterThanOrEquals;
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import org.alfresco.repo.search.impl.querymodel.impl.functions.In;
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import org.alfresco.repo.search.impl.querymodel.impl.functions.LessThan;
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import org.alfresco.repo.search.impl.querymodel.impl.functions.LessThanOrEquals;
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import org.alfresco.repo.search.impl.querymodel.impl.functions.Like;
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import org.alfresco.repo.search.impl.querymodel.impl.functions.NotEquals;
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import org.alfresco.repo.search.impl.querymodel.impl.functions.PropertyAccessor;
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import org.alfresco.repo.search.impl.querymodel.impl.functions.Score;
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import org.alfresco.service.cmr.dictionary.DataTypeDefinition;
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import org.alfresco.service.cmr.repository.datatype.DefaultTypeConverter;
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import org.alfresco.service.namespace.QName;
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import org.alfresco.util.CachingDateFormat;
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import org.antlr.runtime.ANTLRStringStream;
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import org.antlr.runtime.CharStream;
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import org.antlr.runtime.CommonTokenStream;
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import org.antlr.runtime.RecognitionException;
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import org.antlr.runtime.tree.CommonTree;
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/**
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* @author andyh
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*/
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public class CMISQueryParser
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{
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private enum EscapeMode
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{
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LITERAL, LIKE, CONTAINS;
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}
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private CMISQueryOptions options;
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private CMISDictionaryService cmisDictionaryService;
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private CMISJoinEnum joinSupport;
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private CMISScope[] validScopes;
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private boolean hasScore = false;
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private boolean hasContains = false;
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public CMISQueryParser(CMISQueryOptions options, CMISDictionaryService cmisDictionaryService, CMISJoinEnum joinSupport)
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{
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this.options = options;
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this.cmisDictionaryService = cmisDictionaryService;
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this.joinSupport = joinSupport;
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this.validScopes = (options.getQueryMode() == CMISQueryMode.CMS_STRICT) ? CmisFunctionEvaluationContext.STRICT_SCOPES : CmisFunctionEvaluationContext.ALFRESCO_SCOPES;
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}
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public Query parse(QueryModelFactory factory, FunctionEvaluationContext functionEvaluationContext)
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{
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CMISParser parser = null;
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try
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{
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CharStream cs = new ANTLRStringStream(options.getQuery());
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CMISLexer lexer = new CMISLexer(cs);
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CommonTokenStream tokens = new CommonTokenStream(lexer);
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parser = new CMISParser(tokens);
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parser.setStrict(options.getQueryMode() == CMISQueryMode.CMS_STRICT);
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CommonTree queryNode = (CommonTree) parser.query().getTree();
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CommonTree sourceNode = (CommonTree) queryNode.getFirstChildWithType(CMISParser.SOURCE);
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Source source = buildSource(sourceNode, joinSupport, factory);
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Map<String, Selector> selectors = source.getSelectors();
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ArrayList<Column> columns = buildColumns(queryNode, factory, selectors, options.getQuery());
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HashMap<String, Column> columnMap = new HashMap<String, Column>();
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for (Column column : columns)
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{
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if (columnMap.containsKey(column.getAlias()))
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{
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throw new CMISQueryException("Duplicate column alias for " + column.getAlias());
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}
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else
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{
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columnMap.put(column.getAlias(), column);
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}
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}
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ArrayList<Ordering> orderings = buildOrderings(queryNode, factory, selectors, columns);
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Constraint constraint = null;
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CommonTree orNode = (CommonTree) queryNode.getFirstChildWithType(CMISParser.DISJUNCTION);
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if (orNode != null)
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{
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constraint = buildDisjunction(orNode, factory, functionEvaluationContext, selectors, columnMap);
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}
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Query query = factory.createQuery(columns, source, constraint, orderings);
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// TODO: validate query and use of ID, function arguments matching
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// up etc
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if (options.getQueryMode() == CMISQueryMode.CMS_STRICT)
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{
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if (hasScore && !hasContains)
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{
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throw new CMISQueryException("Function SCORE() used without matching CONTAINS() function");
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}
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}
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return query;
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}
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catch (RecognitionException e)
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{
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if (parser != null)
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{
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String[] tokenNames = parser.getTokenNames();
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String hdr = parser.getErrorHeader(e);
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String msg = parser.getErrorMessage(e, tokenNames);
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throw new CMISQueryException(hdr + "\n" + msg, e);
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}
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}
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throw new CMISQueryException("Failed to parse");
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}
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/**
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* @param queryNode
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* @param factory
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* @param selectors
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* @param columns
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* @return
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*/
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private Constraint buildDisjunction(CommonTree orNode, QueryModelFactory factory, FunctionEvaluationContext functionEvaluationContext, Map<String, Selector> selectors,
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HashMap<String, Column> columnMap)
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{
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List<Constraint> constraints = new ArrayList<Constraint>(orNode.getChildCount());
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for (int i = 0; i < orNode.getChildCount(); i++)
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{
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CommonTree andNode = (CommonTree) orNode.getChild(i);
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Constraint constraint = buildConjunction(andNode, factory, functionEvaluationContext, selectors, columnMap);
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constraints.add(constraint);
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}
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if (constraints.size() == 1)
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{
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return constraints.get(0);
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}
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else
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{
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return factory.createDisjunction(constraints);
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}
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}
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/**
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* @param andNode
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* @param factory
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* @param selectors
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* @param columns
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* @return
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*/
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private Constraint buildConjunction(CommonTree andNode, QueryModelFactory factory, FunctionEvaluationContext functionEvaluationContext, Map<String, Selector> selectors,
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HashMap<String, Column> columnMap)
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{
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List<Constraint> constraints = new ArrayList<Constraint>(andNode.getChildCount());
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for (int i = 0; i < andNode.getChildCount(); i++)
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{
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CommonTree notNode = (CommonTree) andNode.getChild(i);
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Constraint constraint = buildNegation(notNode, factory, functionEvaluationContext, selectors, columnMap);
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constraints.add(constraint);
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}
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if (constraints.size() == 1)
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{
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return constraints.get(0);
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}
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else
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{
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return factory.createConjunction(constraints);
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}
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}
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/**
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* @param notNode
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* @param factory
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* @param selectors
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* @param columns
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* @return
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*/
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private Constraint buildNegation(CommonTree notNode, QueryModelFactory factory, FunctionEvaluationContext functionEvaluationContext, Map<String, Selector> selectors,
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HashMap<String, Column> columnMap)
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{
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if (notNode.getType() == CMISParser.NEGATION)
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{
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Constraint constraint = buildTest((CommonTree) notNode.getChild(0), factory, functionEvaluationContext, selectors, columnMap);
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constraint.setOccur(Occur.EXCLUDE);
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return constraint;
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}
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else
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{
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return buildTest(notNode, factory, functionEvaluationContext, selectors, columnMap);
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}
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}
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/**
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* @param notNode
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* @param factory
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* @param selectors
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* @param columns
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* @return
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*/
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private Constraint buildTest(CommonTree testNode, QueryModelFactory factory, FunctionEvaluationContext functionEvaluationContext, Map<String, Selector> selectors,
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HashMap<String, Column> columnMap)
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{
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if (testNode.getType() == CMISParser.DISJUNCTION)
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{
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return buildDisjunction(testNode, factory, functionEvaluationContext, selectors, columnMap);
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}
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else
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{
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return buildPredicate(testNode, factory, functionEvaluationContext, selectors, columnMap);
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}
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}
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/**
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* @param orNode
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* @param factory
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* @param selectors
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* @param columns
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* @return
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*/
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private Constraint buildPredicate(CommonTree predicateNode, QueryModelFactory factory, FunctionEvaluationContext functionEvaluationContext, Map<String, Selector> selectors,
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Map<String, Column> columnMap)
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{
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String functionName;
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Function function;
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CommonTree argNode;
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Map<String, Argument> functionArguments;
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Argument arg;
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switch (predicateNode.getType())
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{
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case CMISParser.PRED_CHILD:
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functionName = Child.NAME;
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function = factory.getFunction(functionName);
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functionArguments = new LinkedHashMap<String, Argument>();
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argNode = (CommonTree) predicateNode.getChild(0);
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arg = getFunctionArgument(argNode, function.getArgumentDefinition(Child.ARG_PARENT), factory, selectors, columnMap, false);
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functionArguments.put(arg.getName(), arg);
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if (predicateNode.getChildCount() > 1)
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{
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argNode = (CommonTree) predicateNode.getChild(1);
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arg = getFunctionArgument(argNode, function.getArgumentDefinition(Child.ARG_SELECTOR), factory, selectors, columnMap, false);
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if (!arg.isQueryable())
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{
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throw new CMISQueryException("The property is not queryable: " + argNode.getText());
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}
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functionArguments.put(arg.getName(), arg);
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}
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return factory.createFunctionalConstraint(function, functionArguments);
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case CMISParser.PRED_COMPARISON:
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switch (predicateNode.getChild(2).getType())
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{
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case CMISParser.EQUALS:
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functionName = Equals.NAME;
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function = factory.getFunction(functionName);
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break;
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case CMISParser.NOTEQUALS:
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functionName = NotEquals.NAME;
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function = factory.getFunction(functionName);
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break;
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case CMISParser.GREATERTHAN:
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functionName = GreaterThan.NAME;
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function = factory.getFunction(functionName);
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break;
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case CMISParser.GREATERTHANOREQUALS:
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functionName = GreaterThanOrEquals.NAME;
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function = factory.getFunction(functionName);
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break;
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case CMISParser.LESSTHAN:
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functionName = LessThan.NAME;
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function = factory.getFunction(functionName);
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break;
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case CMISParser.LESSTHANOREQUALS:
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functionName = LessThanOrEquals.NAME;
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function = factory.getFunction(functionName);
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break;
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default:
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throw new CMISQueryException("Unknown comparison function " + predicateNode.getChild(2).getText());
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}
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functionArguments = new LinkedHashMap<String, Argument>();
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argNode = (CommonTree) predicateNode.getChild(0);
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arg = getFunctionArgument(argNode, function.getArgumentDefinition(BaseComparison.ARG_MODE), factory, selectors, columnMap, false);
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functionArguments.put(arg.getName(), arg);
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argNode = (CommonTree) predicateNode.getChild(1);
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arg = getFunctionArgument(argNode, function.getArgumentDefinition(BaseComparison.ARG_LHS), factory, selectors, columnMap, false);
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functionArguments.put(arg.getName(), arg);
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argNode = (CommonTree) predicateNode.getChild(3);
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arg = getFunctionArgument(argNode, function.getArgumentDefinition(BaseComparison.ARG_RHS), factory, selectors, columnMap, false);
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functionArguments.put(arg.getName(), arg);
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checkPredicateConditionsForComparisons(function, functionArguments, functionEvaluationContext, columnMap);
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return factory.createFunctionalConstraint(function, functionArguments);
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case CMISParser.PRED_DESCENDANT:
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functionName = Descendant.NAME;
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function = factory.getFunction(functionName);
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argNode = (CommonTree) predicateNode.getChild(0);
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functionArguments = new LinkedHashMap<String, Argument>();
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arg = getFunctionArgument(argNode, function.getArgumentDefinition(Descendant.ARG_ANCESTOR), factory, selectors, columnMap, false);
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functionArguments.put(arg.getName(), arg);
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if (predicateNode.getChildCount() > 1)
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{
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argNode = (CommonTree) predicateNode.getChild(1);
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arg = getFunctionArgument(argNode, function.getArgumentDefinition(Descendant.ARG_SELECTOR), factory, selectors, columnMap, false);
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functionArguments.put(arg.getName(), arg);
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}
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return factory.createFunctionalConstraint(function, functionArguments);
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case CMISParser.PRED_EXISTS:
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functionName = Exists.NAME;
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function = factory.getFunction(functionName);
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argNode = (CommonTree) predicateNode.getChild(0);
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functionArguments = new LinkedHashMap<String, Argument>();
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arg = getFunctionArgument(argNode, function.getArgumentDefinition(Exists.ARG_PROPERTY), factory, selectors, columnMap, false);
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functionArguments.put(arg.getName(), arg);
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arg = factory.createLiteralArgument(Exists.ARG_NOT, DataTypeDefinition.BOOLEAN, (predicateNode.getChildCount() > 1));
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functionArguments.put(arg.getName(), arg);
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// Applies to both single valued and multi-valued properties - no checks required
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return factory.createFunctionalConstraint(function, functionArguments);
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case CMISParser.PRED_FTS:
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if (options.getQueryMode() == CMISQueryMode.CMS_STRICT)
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{
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if (hasContains)
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{
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throw new CMISQueryException("Only one CONTAINS() function can be included in a single query statement.");
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}
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}
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String ftsExpression = predicateNode.getChild(0).getText();
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ftsExpression = ftsExpression.substring(1, ftsExpression.length() - 1);
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ftsExpression = unescape(ftsExpression, EscapeMode.CONTAINS);
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Selector selector;
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if (predicateNode.getChildCount() > 1)
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{
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String qualifier = predicateNode.getChild(1).getText();
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selector = selectors.get(qualifier);
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if (selector == null)
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{
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throw new CMISQueryException("No selector for " + qualifier);
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}
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}
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else
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{
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if (selectors.size() == 1)
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{
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selector = selectors.get(selectors.keySet().iterator().next());
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}
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else
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{
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throw new CMISQueryException("A selector must be specified when there are two or more selectors");
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}
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}
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Connective defaultConnective;
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Connective defaultFieldConnective;
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if (options.getQueryMode() == CMISQueryMode.CMS_STRICT)
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{
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defaultConnective = Connective.AND;
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defaultFieldConnective = Connective.AND;
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}
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else
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{
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defaultConnective = options.getDefaultFTSConnective();
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defaultFieldConnective = options.getDefaultFTSFieldConnective();
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}
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FTSParser.Mode mode;
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if (options.getQueryMode() == CMISQueryMode.CMS_STRICT)
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{
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mode = FTSParser.Mode.CMIS;
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}
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else
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{
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if (defaultConnective == Connective.AND)
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{
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mode = FTSParser.Mode.DEFAULT_CONJUNCTION;
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}
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else
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{
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mode = FTSParser.Mode.DEFAULT_DISJUNCTION;
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}
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}
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Constraint ftsConstraint;
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if (options.getQueryMode() == CMISQueryMode.CMS_STRICT)
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{
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ftsConstraint = CMISFTSQueryParser.buildFTS(ftsExpression, factory, functionEvaluationContext, selector, columnMap, options.getDefaultFieldName());
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|
}
|
|
else
|
|
{
|
|
ftsConstraint = FTSQueryParser.buildFTS(ftsExpression, factory, functionEvaluationContext, selector, columnMap, mode, defaultFieldConnective, null, options.getDefaultFieldName());
|
|
}
|
|
ftsConstraint.setBoost(1000.0f);
|
|
hasContains = true;
|
|
return ftsConstraint;
|
|
case CMISParser.PRED_IN:
|
|
functionName = In.NAME;
|
|
function = factory.getFunction(functionName);
|
|
functionArguments = new LinkedHashMap<String, Argument>();
|
|
argNode = (CommonTree) predicateNode.getChild(0);
|
|
arg = getFunctionArgument(argNode, function.getArgumentDefinition(In.ARG_MODE), factory, selectors, columnMap, false);
|
|
functionArguments.put(arg.getName(), arg);
|
|
argNode = (CommonTree) predicateNode.getChild(1);
|
|
arg = getFunctionArgument(argNode, function.getArgumentDefinition(In.ARG_PROPERTY), factory, selectors, columnMap, false);
|
|
functionArguments.put(arg.getName(), arg);
|
|
argNode = (CommonTree) predicateNode.getChild(2);
|
|
arg = getFunctionArgument(argNode, function.getArgumentDefinition(In.ARG_LIST), factory, selectors, columnMap, false);
|
|
functionArguments.put(arg.getName(), arg);
|
|
arg = factory.createLiteralArgument(In.ARG_NOT, DataTypeDefinition.BOOLEAN, (predicateNode.getChildCount() > 3));
|
|
functionArguments.put(arg.getName(), arg);
|
|
checkPredicateConditionsForIn(functionArguments, functionEvaluationContext, columnMap);
|
|
return factory.createFunctionalConstraint(function, functionArguments);
|
|
case CMISParser.PRED_LIKE:
|
|
functionName = Like.NAME;
|
|
function = factory.getFunction(functionName);
|
|
functionArguments = new LinkedHashMap<String, Argument>();
|
|
argNode = (CommonTree) predicateNode.getChild(0);
|
|
arg = getFunctionArgument(argNode, function.getArgumentDefinition(Like.ARG_PROPERTY), factory, selectors, columnMap, false);
|
|
functionArguments.put(arg.getName(), arg);
|
|
argNode = (CommonTree) predicateNode.getChild(1);
|
|
arg = getFunctionArgument(argNode, function.getArgumentDefinition(Like.ARG_EXP), factory, selectors, columnMap, true);
|
|
functionArguments.put(arg.getName(), arg);
|
|
arg = factory.createLiteralArgument(Like.ARG_NOT, DataTypeDefinition.BOOLEAN, (predicateNode.getChildCount() > 2));
|
|
functionArguments.put(arg.getName(), arg);
|
|
checkPredicateConditionsForLike(functionArguments, functionEvaluationContext, columnMap);
|
|
return factory.createFunctionalConstraint(function, functionArguments);
|
|
default:
|
|
return null;
|
|
}
|
|
}
|
|
|
|
private void checkPredicateConditionsForIn(Map<String, Argument> functionArguments, FunctionEvaluationContext functionEvaluationContext, Map<String, Column> columnMap)
|
|
{
|
|
if (options.getQueryMode() == CMISQueryMode.CMS_STRICT)
|
|
{
|
|
PropertyArgument propertyArgument = (PropertyArgument) functionArguments.get(In.ARG_PROPERTY);
|
|
LiteralArgument modeArgument = (LiteralArgument) functionArguments.get(In.ARG_MODE);
|
|
String modeString = DefaultTypeConverter.INSTANCE.convert(String.class, modeArgument.getValue(functionEvaluationContext));
|
|
PredicateMode mode = PredicateMode.valueOf(modeString);
|
|
String propertyName = propertyArgument.getPropertyName();
|
|
|
|
Column column = columnMap.get(propertyName);
|
|
if (column != null)
|
|
{
|
|
// check for function type
|
|
if (column.getFunction().getName().equals(PropertyAccessor.NAME))
|
|
{
|
|
PropertyArgument arg = (PropertyArgument) column.getFunctionArguments().get(PropertyAccessor.ARG_PROPERTY);
|
|
propertyName = arg.getPropertyName();
|
|
}
|
|
else
|
|
{
|
|
throw new CMISQueryException("Complex column reference not supoprted in LIKE " + propertyName);
|
|
}
|
|
}
|
|
|
|
boolean isMultiValued = functionEvaluationContext.isMultiValued(propertyName);
|
|
|
|
switch (mode)
|
|
{
|
|
case ANY:
|
|
if (isMultiValued)
|
|
{
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
throw new QueryModelException("Predicate mode " + PredicateMode.ANY + " is not supported for IN and single valued properties");
|
|
}
|
|
case SINGLE_VALUED_PROPERTY:
|
|
if (isMultiValued)
|
|
{
|
|
throw new QueryModelException("Predicate mode " + PredicateMode.SINGLE_VALUED_PROPERTY + " is not supported for IN and multi-valued properties");
|
|
}
|
|
else
|
|
{
|
|
break;
|
|
}
|
|
default:
|
|
throw new QueryModelException("Unsupported predicate mode " + mode);
|
|
}
|
|
|
|
CMISPropertyDefinition propDef = cmisDictionaryService.findPropertyByQueryName(propertyName);
|
|
if (propDef.getDataType() == CMISDataTypeEnum.BOOLEAN)
|
|
{
|
|
|
|
throw new QueryModelException("In is not supported for properties of type Boolean");
|
|
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
private void checkPredicateConditionsForComparisons(Function function, Map<String, Argument> functionArguments, FunctionEvaluationContext functionEvaluationContext,
|
|
Map<String, Column> columnMap)
|
|
{
|
|
if (options.getQueryMode() == CMISQueryMode.CMS_STRICT)
|
|
{
|
|
((BaseComparison) function).setPropertyAndStaticArguments(functionArguments);
|
|
String propertyName = ((BaseComparison) function).getPropertyName();
|
|
LiteralArgument modeArgument = (LiteralArgument) functionArguments.get(BaseComparison.ARG_MODE);
|
|
String modeString = DefaultTypeConverter.INSTANCE.convert(String.class, modeArgument.getValue(functionEvaluationContext));
|
|
PredicateMode mode = PredicateMode.valueOf(modeString);
|
|
|
|
Column column = columnMap.get(propertyName);
|
|
if (column != null)
|
|
{
|
|
// check for function type
|
|
if (column.getFunction().getName().equals(PropertyAccessor.NAME))
|
|
{
|
|
PropertyArgument arg = (PropertyArgument) column.getFunctionArguments().get(PropertyAccessor.ARG_PROPERTY);
|
|
propertyName = arg.getPropertyName();
|
|
}
|
|
else
|
|
{
|
|
throw new CMISQueryException("Complex column reference not supoprted in LIKE " + propertyName);
|
|
}
|
|
}
|
|
|
|
boolean isMultiValued = functionEvaluationContext.isMultiValued(propertyName);
|
|
|
|
switch (mode)
|
|
{
|
|
case ANY:
|
|
if (isMultiValued)
|
|
{
|
|
if (function.getName().equals(Equals.NAME))
|
|
{
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
throw new QueryModelException("Predicate mode " + PredicateMode.ANY + " is only supported for " + Equals.NAME + " (and multi-valued properties).");
|
|
}
|
|
}
|
|
else
|
|
{
|
|
throw new QueryModelException("Predicate mode " + PredicateMode.ANY + " is not supported for " + function.getName() + " and single valued properties");
|
|
}
|
|
case SINGLE_VALUED_PROPERTY:
|
|
if (isMultiValued)
|
|
{
|
|
throw new QueryModelException("Predicate mode "
|
|
+ PredicateMode.SINGLE_VALUED_PROPERTY + " is not supported for " + function.getName() + " and multi-valued properties");
|
|
}
|
|
else
|
|
{
|
|
break;
|
|
}
|
|
default:
|
|
throw new QueryModelException("Unsupported predicate mode " + mode);
|
|
}
|
|
|
|
// limit support for ID and Boolean
|
|
|
|
CMISPropertyDefinition propDef = cmisDictionaryService.findPropertyByQueryName(propertyName);
|
|
if (propDef.getDataType() == CMISDataTypeEnum.ID)
|
|
{
|
|
if (function.getName().equals(Equals.NAME) || function.getName().equals(NotEquals.NAME))
|
|
{
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
throw new QueryModelException("Comparison " + function.getName() + " is not supported for properties of type ID");
|
|
}
|
|
}
|
|
else if (propDef.getDataType() == CMISDataTypeEnum.BOOLEAN)
|
|
{
|
|
if (function.getName().equals(Equals.NAME))
|
|
{
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
throw new QueryModelException("Comparison " + function.getName() + " is not supported for properties of type Boolean");
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
private void checkPredicateConditionsForLike(Map<String, Argument> functionArguments, FunctionEvaluationContext functionEvaluationContext, Map<String, Column> columnMap)
|
|
{
|
|
if (options.getQueryMode() == CMISQueryMode.CMS_STRICT)
|
|
{
|
|
PropertyArgument propertyArgument = (PropertyArgument) functionArguments.get(Like.ARG_PROPERTY);
|
|
|
|
boolean isMultiValued = functionEvaluationContext.isMultiValued(propertyArgument.getPropertyName());
|
|
|
|
if (isMultiValued)
|
|
{
|
|
throw new QueryModelException("Like is not supported for multi-valued properties");
|
|
}
|
|
|
|
String cmisPropertyName = propertyArgument.getPropertyName();
|
|
|
|
Column column = columnMap.get(cmisPropertyName);
|
|
if (column != null)
|
|
{
|
|
// check for function type
|
|
if (column.getFunction().getName().equals(PropertyAccessor.NAME))
|
|
{
|
|
PropertyArgument arg = (PropertyArgument) column.getFunctionArguments().get(PropertyAccessor.ARG_PROPERTY);
|
|
cmisPropertyName = arg.getPropertyName();
|
|
}
|
|
else
|
|
{
|
|
throw new CMISQueryException("Complex column reference not supoprted in LIKE " + cmisPropertyName);
|
|
}
|
|
}
|
|
|
|
CMISPropertyDefinition propDef = cmisDictionaryService.findPropertyByQueryName(cmisPropertyName);
|
|
if (propDef.getDataType() != CMISDataTypeEnum.STRING)
|
|
{
|
|
throw new CMISQueryException("LIKE is only supported against String types" + cmisPropertyName);
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* @param queryNode
|
|
* @param factory
|
|
* @param selectors
|
|
* @return
|
|
*/
|
|
private ArrayList<Ordering> buildOrderings(CommonTree queryNode, QueryModelFactory factory, Map<String, Selector> selectors, List<Column> columns)
|
|
{
|
|
ArrayList<Ordering> orderings = new ArrayList<Ordering>();
|
|
CommonTree orderNode = (CommonTree) queryNode.getFirstChildWithType(CMISParser.ORDER);
|
|
if (orderNode != null)
|
|
{
|
|
for (int i = 0; i < orderNode.getChildCount(); i++)
|
|
{
|
|
CommonTree current = (CommonTree) orderNode.getChild(i);
|
|
|
|
CommonTree columnRefNode = (CommonTree) current.getFirstChildWithType(CMISParser.COLUMN_REF);
|
|
if (columnRefNode != null)
|
|
{
|
|
String columnName = columnRefNode.getChild(0).getText();
|
|
String qualifier = "";
|
|
if (columnRefNode.getChildCount() > 1)
|
|
{
|
|
qualifier = columnRefNode.getChild(1).getText();
|
|
}
|
|
|
|
Order order = Order.ASCENDING;
|
|
|
|
if (current.getChild(1).getType() == CMISParser.DESC)
|
|
{
|
|
order = Order.DESCENDING;
|
|
}
|
|
|
|
Column orderColumn = null;
|
|
|
|
if (qualifier.length() == 0)
|
|
{
|
|
Column match = null;
|
|
for (Column column : columns)
|
|
{
|
|
if (column.getAlias().equals(columnName))
|
|
{
|
|
match = column;
|
|
break;
|
|
}
|
|
if (column.getFunction().getName().equals(PropertyAccessor.NAME))
|
|
{
|
|
PropertyArgument arg = (PropertyArgument) column.getFunctionArguments().get(PropertyAccessor.ARG_PROPERTY);
|
|
String propertyName = arg.getPropertyName();
|
|
if (propertyName.equals(columnName))
|
|
{
|
|
match = column;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
// in strict mode the ordered column must be selected
|
|
if ((options.getQueryMode() == CMISQueryMode.CMS_STRICT) && (match == null))
|
|
{
|
|
throw new CMISQueryException("Ordered column is not selected: " + qualifier + "." + columnName);
|
|
}
|
|
if (match == null)
|
|
{
|
|
|
|
Selector selector = selectors.get(qualifier);
|
|
if (selector == null)
|
|
{
|
|
if ((qualifier.equals("")) && (selectors.size() == 1))
|
|
{
|
|
selector = selectors.get(selectors.keySet().iterator().next());
|
|
}
|
|
else
|
|
{
|
|
throw new CMISQueryException("No selector for " + qualifier);
|
|
}
|
|
}
|
|
|
|
CMISTypeDefinition typeDef = cmisDictionaryService.findTypeForClass(selector.getType(), CMISScope.DOCUMENT, CMISScope.FOLDER, CMISScope.POLICY);
|
|
if (typeDef == null)
|
|
{
|
|
throw new CMISQueryException("Type unsupported in CMIS queries: " + selector.getAlias());
|
|
}
|
|
CMISPropertyDefinition propDef = cmisDictionaryService.findPropertyByQueryName(columnName);
|
|
if (propDef == null)
|
|
{
|
|
throw new CMISQueryException("Invalid column for " + typeDef.getQueryName() + "." + columnName);
|
|
}
|
|
|
|
// Check column/property applies to selector/type
|
|
|
|
if (!typeDef.getPropertyDefinitions().containsKey(propDef.getPropertyId().getId()))
|
|
{
|
|
throw new CMISQueryException("Invalid column for " + typeDef.getQueryName() + "." + columnName);
|
|
}
|
|
|
|
// check there is a matching selector
|
|
|
|
if (options.getQueryMode() == CMISQueryMode.CMS_STRICT)
|
|
{
|
|
boolean found = false;
|
|
for (Column column : columns)
|
|
{
|
|
if (column.getFunction().getName().equals(PropertyAccessor.NAME))
|
|
{
|
|
PropertyArgument pa = (PropertyArgument) column.getFunctionArguments().get(PropertyAccessor.ARG_PROPERTY);
|
|
if (pa.getPropertyName().equals(propDef.getPropertyId().getId()))
|
|
{
|
|
found = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (!found)
|
|
{
|
|
throw new CMISQueryException("Ordered column is not selected: " + qualifier + "." + columnName);
|
|
}
|
|
}
|
|
|
|
Function function = factory.getFunction(PropertyAccessor.NAME);
|
|
Argument arg = factory.createPropertyArgument(PropertyAccessor.ARG_PROPERTY, propDef.isQueryable(), propDef.isOrderable(), selector.getAlias(), propDef
|
|
.getPropertyId().getId());
|
|
Map<String, Argument> functionArguments = new LinkedHashMap<String, Argument>();
|
|
functionArguments.put(arg.getName(), arg);
|
|
|
|
String alias = (selector.getAlias().length() > 0) ? selector.getAlias() + "." + propDef.getPropertyId().getId() : propDef.getPropertyId().getId();
|
|
|
|
match = factory.createColumn(function, functionArguments, alias);
|
|
}
|
|
|
|
orderColumn = match;
|
|
}
|
|
else
|
|
{
|
|
Selector selector = selectors.get(qualifier);
|
|
if (selector == null)
|
|
{
|
|
if ((qualifier.equals("")) && (selectors.size() == 1))
|
|
{
|
|
selector = selectors.get(selectors.keySet().iterator().next());
|
|
}
|
|
else
|
|
{
|
|
throw new CMISQueryException("No selector for " + qualifier);
|
|
}
|
|
}
|
|
|
|
CMISTypeDefinition typeDef = cmisDictionaryService.findTypeForClass(selector.getType(), CMISScope.DOCUMENT, CMISScope.FOLDER, CMISScope.POLICY);
|
|
if (typeDef == null)
|
|
{
|
|
throw new CMISQueryException("Type unsupported in CMIS queries: " + selector.getAlias());
|
|
}
|
|
CMISPropertyDefinition propDef = cmisDictionaryService.findPropertyByQueryName(columnName);
|
|
if (propDef == null)
|
|
{
|
|
throw new CMISQueryException("Invalid column for " + typeDef.getQueryName() + "." + columnName + " selector alias " + selector.getAlias());
|
|
}
|
|
|
|
// check there is a matching selector
|
|
|
|
if (options.getQueryMode() == CMISQueryMode.CMS_STRICT)
|
|
{
|
|
boolean found = false;
|
|
for (Column column : columns)
|
|
{
|
|
if (column.getFunction().getName().equals(PropertyAccessor.NAME))
|
|
{
|
|
PropertyArgument pa = (PropertyArgument) column.getFunctionArguments().get(PropertyAccessor.ARG_PROPERTY);
|
|
if (pa.getPropertyName().equals(propDef.getPropertyId().getId()))
|
|
{
|
|
found = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (!found)
|
|
{
|
|
throw new CMISQueryException("Ordered column is not selected: " + qualifier + "." + columnName);
|
|
}
|
|
}
|
|
|
|
Function function = factory.getFunction(PropertyAccessor.NAME);
|
|
Argument arg = factory.createPropertyArgument(PropertyAccessor.ARG_PROPERTY, propDef.isQueryable(), propDef.isOrderable(), selector.getAlias(), propDef
|
|
.getPropertyId().getId());
|
|
Map<String, Argument> functionArguments = new LinkedHashMap<String, Argument>();
|
|
functionArguments.put(arg.getName(), arg);
|
|
|
|
String alias = (selector.getAlias().length() > 0) ? selector.getAlias() + "." + propDef.getPropertyId().getId() : propDef.getPropertyId().getId();
|
|
|
|
orderColumn = factory.createColumn(function, functionArguments, alias);
|
|
}
|
|
|
|
if (!orderColumn.isOrderable() || !orderColumn.isQueryable())
|
|
{
|
|
throw new CMISQueryException("Ordering is not support for " + orderColumn.getAlias());
|
|
}
|
|
|
|
Ordering ordering = factory.createOrdering(orderColumn, order);
|
|
orderings.add(ordering);
|
|
|
|
}
|
|
}
|
|
}
|
|
return orderings;
|
|
}
|
|
|
|
@SuppressWarnings("unchecked")
|
|
private ArrayList<Column> buildColumns(CommonTree queryNode, QueryModelFactory factory, Map<String, Selector> selectors, String query)
|
|
{
|
|
ArrayList<Column> columns = new ArrayList<Column>();
|
|
CommonTree starNode = (CommonTree) queryNode.getFirstChildWithType(CMISParser.ALL_COLUMNS);
|
|
if (starNode != null)
|
|
{
|
|
for (Selector selector : selectors.values())
|
|
{
|
|
CMISTypeDefinition typeDef = cmisDictionaryService.findTypeForClass(selector.getType(), validScopes);
|
|
if (typeDef == null)
|
|
{
|
|
throw new CMISQueryException("Type unsupported in CMIS queries: " + selector.getAlias());
|
|
}
|
|
Map<String, CMISPropertyDefinition> propDefs = typeDef.getPropertyDefinitions();
|
|
for (CMISPropertyDefinition definition : propDefs.values())
|
|
{
|
|
Function function = factory.getFunction(PropertyAccessor.NAME);
|
|
Argument arg = factory.createPropertyArgument(PropertyAccessor.ARG_PROPERTY, definition.isQueryable(), definition.isOrderable(), selector.getAlias(),
|
|
definition.getPropertyId().getId());
|
|
Map<String, Argument> functionArguments = new LinkedHashMap<String, Argument>();
|
|
functionArguments.put(arg.getName(), arg);
|
|
String alias = (selector.getAlias().length() > 0) ? selector.getAlias() + "." + definition.getPropertyId().getId() : definition.getPropertyId().getId();
|
|
Column column = factory.createColumn(function, functionArguments, alias);
|
|
columns.add(column);
|
|
}
|
|
}
|
|
}
|
|
|
|
CommonTree columnsNode = (CommonTree) queryNode.getFirstChildWithType(CMISParser.COLUMNS);
|
|
if (columnsNode != null)
|
|
{
|
|
for (CommonTree columnNode : (List<CommonTree>) columnsNode.getChildren())
|
|
{
|
|
if (columnNode.getType() == CMISParser.ALL_COLUMNS)
|
|
{
|
|
String qualifier = columnNode.getChild(0).getText();
|
|
Selector selector = selectors.get(qualifier);
|
|
if (selector == null)
|
|
{
|
|
if ((qualifier.equals("")) && (selectors.size() == 1))
|
|
{
|
|
selector = selectors.get(selectors.keySet().iterator().next());
|
|
}
|
|
else
|
|
{
|
|
throw new CMISQueryException("No selector for " + qualifier + " in " + qualifier + ".*");
|
|
}
|
|
}
|
|
|
|
CMISTypeDefinition typeDef = cmisDictionaryService.findTypeForClass(selector.getType(), validScopes);
|
|
if (typeDef == null)
|
|
{
|
|
throw new CMISQueryException("Type unsupported in CMIS queries: " + selector.getAlias());
|
|
}
|
|
Map<String, CMISPropertyDefinition> propDefs = typeDef.getPropertyDefinitions();
|
|
for (CMISPropertyDefinition definition : propDefs.values())
|
|
{
|
|
Function function = factory.getFunction(PropertyAccessor.NAME);
|
|
Argument arg = factory.createPropertyArgument(PropertyAccessor.ARG_PROPERTY, definition.isQueryable(), definition.isOrderable(), selector.getAlias(),
|
|
definition.getPropertyId().getId());
|
|
Map<String, Argument> functionArguments = new LinkedHashMap<String, Argument>();
|
|
functionArguments.put(arg.getName(), arg);
|
|
String alias = (selector.getAlias().length() > 0) ? selector.getAlias() + "." + definition.getPropertyId().getId() : definition.getPropertyId().getId();
|
|
Column column = factory.createColumn(function, functionArguments, alias);
|
|
columns.add(column);
|
|
}
|
|
}
|
|
|
|
if (columnNode.getType() == CMISParser.COLUMN)
|
|
{
|
|
CommonTree columnRefNode = (CommonTree) columnNode.getFirstChildWithType(CMISParser.COLUMN_REF);
|
|
if (columnRefNode != null)
|
|
{
|
|
String columnName = columnRefNode.getChild(0).getText();
|
|
String qualifier = "";
|
|
if (columnRefNode.getChildCount() > 1)
|
|
{
|
|
qualifier = columnRefNode.getChild(1).getText();
|
|
}
|
|
Selector selector = selectors.get(qualifier);
|
|
if (selector == null)
|
|
{
|
|
if ((qualifier.equals("")) && (selectors.size() == 1))
|
|
{
|
|
selector = selectors.get(selectors.keySet().iterator().next());
|
|
}
|
|
else
|
|
{
|
|
throw new CMISQueryException("No selector for " + qualifier);
|
|
}
|
|
}
|
|
|
|
CMISTypeDefinition typeDef = cmisDictionaryService.findTypeForClass(selector.getType(), validScopes);
|
|
if (typeDef == null)
|
|
{
|
|
throw new CMISQueryException("Type unsupported in CMIS queries: " + selector.getAlias());
|
|
}
|
|
CMISPropertyDefinition propDef = cmisDictionaryService.findPropertyByQueryName(columnName);
|
|
if (propDef == null)
|
|
{
|
|
throw new CMISQueryException("Invalid column for " + typeDef.getQueryName() + " " + columnName);
|
|
}
|
|
|
|
// Check column/property applies to selector/type
|
|
|
|
if (!typeDef.getPropertyDefinitions().containsKey(propDef.getPropertyId().getId()))
|
|
{
|
|
throw new CMISQueryException("Invalid column for " + typeDef.getQueryName() + "." + columnName);
|
|
}
|
|
|
|
Function function = factory.getFunction(PropertyAccessor.NAME);
|
|
Argument arg = factory.createPropertyArgument(PropertyAccessor.ARG_PROPERTY, propDef.isQueryable(), propDef.isOrderable(), selector.getAlias(), propDef
|
|
.getPropertyId().getId());
|
|
Map<String, Argument> functionArguments = new LinkedHashMap<String, Argument>();
|
|
functionArguments.put(arg.getName(), arg);
|
|
|
|
String alias = (selector.getAlias().length() > 0) ? selector.getAlias() + "." + propDef.getPropertyId().getId() : propDef.getPropertyId().getId();
|
|
if (columnNode.getChildCount() > 1)
|
|
{
|
|
alias = columnNode.getChild(1).getText();
|
|
}
|
|
|
|
Column column = factory.createColumn(function, functionArguments, alias);
|
|
columns.add(column);
|
|
|
|
}
|
|
|
|
CommonTree functionNode = (CommonTree) columnNode.getFirstChildWithType(CMISParser.FUNCTION);
|
|
if (functionNode != null)
|
|
{
|
|
CommonTree functionNameNode = (CommonTree) functionNode.getChild(0);
|
|
Function function = factory.getFunction(functionNameNode.getText());
|
|
if (function == null)
|
|
{
|
|
throw new CMISQueryException("Unknown function: " + functionNameNode.getText());
|
|
}
|
|
Collection<ArgumentDefinition> definitions = function.getArgumentDefinitions().values();
|
|
Map<String, Argument> functionArguments = new LinkedHashMap<String, Argument>();
|
|
|
|
int childIndex = 2;
|
|
for (ArgumentDefinition definition : definitions)
|
|
{
|
|
if (functionNode.getChildCount() > childIndex + 1)
|
|
{
|
|
CommonTree argNode = (CommonTree) functionNode.getChild(childIndex++);
|
|
Argument arg = getFunctionArgument(argNode, definition, factory, selectors, null, function.getName().equals(Like.NAME));
|
|
functionArguments.put(arg.getName(), arg);
|
|
}
|
|
else
|
|
{
|
|
if (definition.isMandatory())
|
|
{
|
|
// throw new
|
|
// CMISQueryException("Insufficient aruments
|
|
// for function " +
|
|
// ((CommonTree)
|
|
// functionNode.getChild(0)).getText() );
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
// ok
|
|
}
|
|
}
|
|
}
|
|
|
|
CommonTree rparenNode = (CommonTree) functionNode.getChild(functionNode.getChildCount() - 1);
|
|
|
|
int start = getStringPosition(query, functionNode.getLine(), functionNode.getCharPositionInLine());
|
|
int end = getStringPosition(query, rparenNode.getLine(), rparenNode.getCharPositionInLine());
|
|
|
|
if (function.getName().equals(Score.NAME))
|
|
{
|
|
hasScore = true;
|
|
}
|
|
|
|
String alias;
|
|
if (function.getName().equals(Score.NAME))
|
|
{
|
|
alias = "SEARCH_SCORE";
|
|
// check no args
|
|
if (functionNode.getChildCount() > 3)
|
|
{
|
|
throw new CMISQueryException("The function SCORE() is not allowed any arguments");
|
|
}
|
|
}
|
|
else
|
|
{
|
|
alias = query.substring(start, end + 1);
|
|
}
|
|
if (columnNode.getChildCount() > 1)
|
|
{
|
|
alias = columnNode.getChild(1).getText();
|
|
}
|
|
|
|
Column column = factory.createColumn(function, functionArguments, alias);
|
|
columns.add(column);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return columns;
|
|
}
|
|
|
|
/**
|
|
* @param query
|
|
* @param line
|
|
* @param charPositionInLine
|
|
* @return
|
|
*/
|
|
private int getStringPosition(String query, int line, int charPositionInLine)
|
|
{
|
|
StringTokenizer tokenizer = new StringTokenizer(query, "\n\r\f");
|
|
String[] lines = new String[tokenizer.countTokens()];
|
|
int i = 0;
|
|
while (tokenizer.hasMoreElements())
|
|
{
|
|
lines[i++] = tokenizer.nextToken();
|
|
}
|
|
|
|
int position = 0;
|
|
for (i = 0; i < line - 1; i++)
|
|
{
|
|
position += lines[i].length();
|
|
position++;
|
|
}
|
|
return position + charPositionInLine;
|
|
}
|
|
|
|
private Argument getFunctionArgument(CommonTree argNode, ArgumentDefinition definition, QueryModelFactory factory, Map<String, Selector> selectors,
|
|
Map<String, Column> columnMap, boolean inLike)
|
|
{
|
|
if (argNode.getType() == CMISParser.COLUMN_REF)
|
|
{
|
|
PropertyArgument arg = buildColumnReference(definition.getName(), argNode, factory, selectors, columnMap);
|
|
if (!arg.isQueryable())
|
|
{
|
|
throw new CMISQueryException("Column refers to unqueryable property " + arg.getPropertyName());
|
|
}
|
|
if (!selectors.containsKey(arg.getSelector()))
|
|
{
|
|
throw new CMISQueryException("No table with alias " + arg.getSelector());
|
|
}
|
|
return arg;
|
|
}
|
|
else if (argNode.getType() == CMISParser.ID)
|
|
{
|
|
String id = argNode.getText();
|
|
if (selectors.containsKey(id))
|
|
{
|
|
SelectorArgument arg = factory.createSelectorArgument(definition.getName(), id);
|
|
if (!arg.isQueryable())
|
|
{
|
|
throw new CMISQueryException("Selector is not queryable " + arg.getSelector());
|
|
}
|
|
return arg;
|
|
}
|
|
else
|
|
{
|
|
CMISPropertyDefinition propDef = cmisDictionaryService.findPropertyByQueryName(id);
|
|
if (propDef == null || !propDef.isQueryable())
|
|
{
|
|
throw new CMISQueryException("Column refers to unqueryable property " + definition.getName());
|
|
}
|
|
PropertyArgument arg = factory.createPropertyArgument(definition.getName(), propDef.isQueryable(), propDef.isOrderable(), "", propDef.getPropertyId().getId());
|
|
return arg;
|
|
}
|
|
}
|
|
else if (argNode.getType() == CMISParser.PARAMETER)
|
|
{
|
|
ParameterArgument arg = factory.createParameterArgument(definition.getName(), argNode.getText());
|
|
if (!arg.isQueryable())
|
|
{
|
|
throw new CMISQueryException("Parameter is not queryable " + arg.getParameterName());
|
|
}
|
|
return arg;
|
|
}
|
|
else if (argNode.getType() == CMISParser.NUMERIC_LITERAL)
|
|
{
|
|
CommonTree literalNode = (CommonTree) argNode.getChild(0);
|
|
if (literalNode.getType() == CMISParser.FLOATING_POINT_LITERAL)
|
|
{
|
|
QName type = DataTypeDefinition.DOUBLE;
|
|
Number value = Double.parseDouble(literalNode.getText());
|
|
if (value.floatValue() == value.doubleValue())
|
|
{
|
|
type = DataTypeDefinition.FLOAT;
|
|
value = Float.valueOf(value.floatValue());
|
|
}
|
|
LiteralArgument arg = factory.createLiteralArgument(definition.getName(), type, value);
|
|
return arg;
|
|
}
|
|
else if (literalNode.getType() == CMISParser.DECIMAL_INTEGER_LITERAL)
|
|
{
|
|
QName type = DataTypeDefinition.LONG;
|
|
Number value = Long.parseLong(literalNode.getText());
|
|
if (value.intValue() == value.longValue())
|
|
{
|
|
type = DataTypeDefinition.INT;
|
|
value = Integer.valueOf(value.intValue());
|
|
}
|
|
LiteralArgument arg = factory.createLiteralArgument(definition.getName(), type, value);
|
|
return arg;
|
|
}
|
|
else
|
|
{
|
|
throw new CMISQueryException("Invalid numeric literal " + literalNode.getText());
|
|
}
|
|
}
|
|
else if (argNode.getType() == CMISParser.STRING_LITERAL)
|
|
{
|
|
String text = argNode.getChild(0).getText();
|
|
text = text.substring(1, text.length() - 1);
|
|
text = unescape(text, inLike ? EscapeMode.LIKE : EscapeMode.LITERAL);
|
|
LiteralArgument arg = factory.createLiteralArgument(definition.getName(), DataTypeDefinition.TEXT, text);
|
|
return arg;
|
|
}
|
|
else if (argNode.getType() == CMISParser.DATETIME_LITERAL)
|
|
{
|
|
String text = argNode.getChild(0).getText();
|
|
text = text.substring(1, text.length() - 1);
|
|
StringBuilder builder = new StringBuilder();
|
|
if (text.endsWith("Z"))
|
|
{
|
|
builder.append(text.substring(0, text.length() - 1));
|
|
builder.append("+0000");
|
|
}
|
|
else
|
|
{
|
|
if (text.charAt(text.length() - 3) != ':')
|
|
{
|
|
throw new CMISQueryException("Invalid datetime literal " + text);
|
|
}
|
|
// remove TZ colon ....
|
|
builder.append(text.substring(0, text.length() - 3));
|
|
builder.append(text.substring(text.length() - 2, text.length()));
|
|
}
|
|
text = builder.toString();
|
|
|
|
SimpleDateFormat df = CachingDateFormat.getCmisSqlDatetimeFormat();
|
|
Date date;
|
|
try
|
|
{
|
|
date = df.parse(text);
|
|
}
|
|
catch (ParseException e)
|
|
{
|
|
throw new CMISQueryException("Invalid datetime literal " + text);
|
|
}
|
|
// Convert back :-)
|
|
String alfrescoDate = DefaultTypeConverter.INSTANCE.convert(String.class, date);
|
|
LiteralArgument arg = factory.createLiteralArgument(definition.getName(), DataTypeDefinition.TEXT, alfrescoDate);
|
|
return arg;
|
|
}
|
|
else if (argNode.getType() == CMISParser.BOOLEAN_LITERAL)
|
|
{
|
|
String text = argNode.getChild(0).getText();
|
|
if (text.equalsIgnoreCase("TRUE") || text.equalsIgnoreCase("FALSE"))
|
|
{
|
|
LiteralArgument arg = factory.createLiteralArgument(definition.getName(), DataTypeDefinition.TEXT, text);
|
|
return arg;
|
|
}
|
|
else
|
|
{
|
|
throw new CMISQueryException("Invalid boolean literal " + text);
|
|
}
|
|
|
|
}
|
|
else if (argNode.getType() == CMISParser.LIST)
|
|
{
|
|
ArrayList<Argument> arguments = new ArrayList<Argument>();
|
|
for (int i = 0; i < argNode.getChildCount(); i++)
|
|
{
|
|
CommonTree arg = (CommonTree) argNode.getChild(i);
|
|
arguments.add(getFunctionArgument(arg, definition, factory, selectors, columnMap, inLike));
|
|
}
|
|
ListArgument arg = factory.createListArgument(definition.getName(), arguments);
|
|
if (!arg.isQueryable())
|
|
{
|
|
throw new CMISQueryException("Not all members of the list are queryable");
|
|
}
|
|
return arg;
|
|
}
|
|
else if (argNode.getType() == CMISParser.ANY)
|
|
{
|
|
LiteralArgument arg = factory.createLiteralArgument(definition.getName(), DataTypeDefinition.TEXT, argNode.getText());
|
|
return arg;
|
|
}
|
|
else if (argNode.getType() == CMISParser.SINGLE_VALUED_PROPERTY)
|
|
{
|
|
LiteralArgument arg = factory.createLiteralArgument(definition.getName(), DataTypeDefinition.TEXT, argNode.getText());
|
|
return arg;
|
|
}
|
|
else if (argNode.getType() == CMISParser.NOT)
|
|
{
|
|
LiteralArgument arg = factory.createLiteralArgument(definition.getName(), DataTypeDefinition.TEXT, argNode.getText());
|
|
return arg;
|
|
}
|
|
else if (argNode.getType() == CMISParser.FUNCTION)
|
|
{
|
|
CommonTree functionNameNode = (CommonTree) argNode.getChild(0);
|
|
Function function = factory.getFunction(functionNameNode.getText());
|
|
if (function == null)
|
|
{
|
|
throw new CMISQueryException("Unknown function: " + functionNameNode.getText());
|
|
}
|
|
Collection<ArgumentDefinition> definitions = function.getArgumentDefinitions().values();
|
|
Map<String, Argument> functionArguments = new LinkedHashMap<String, Argument>();
|
|
|
|
int childIndex = 2;
|
|
for (ArgumentDefinition currentDefinition : definitions)
|
|
{
|
|
if (argNode.getChildCount() > childIndex + 1)
|
|
{
|
|
CommonTree currentArgNode = (CommonTree) argNode.getChild(childIndex++);
|
|
Argument arg = getFunctionArgument(currentArgNode, currentDefinition, factory, selectors, columnMap, inLike);
|
|
functionArguments.put(arg.getName(), arg);
|
|
}
|
|
else
|
|
{
|
|
if (definition.isMandatory())
|
|
{
|
|
// throw new CMISQueryException("Insufficient aruments
|
|
// for function " + ((CommonTree)
|
|
// functionNode.getChild(0)).getText() );
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
// ok
|
|
}
|
|
}
|
|
}
|
|
FunctionArgument arg = factory.createFunctionArgument(definition.getName(), function, functionArguments);
|
|
if (!arg.isQueryable())
|
|
{
|
|
throw new CMISQueryException("Not all function arguments refer to orderable arguments: " + arg.getFunction().getName());
|
|
}
|
|
return arg;
|
|
}
|
|
else
|
|
{
|
|
throw new CMISQueryException("Invalid function argument " + argNode.getText());
|
|
}
|
|
}
|
|
|
|
@SuppressWarnings("unchecked")
|
|
private Source buildSource(CommonTree source, CMISJoinEnum joinSupport, QueryModelFactory factory)
|
|
{
|
|
if (source.getChildCount() == 1)
|
|
{
|
|
// single table reference
|
|
CommonTree singleTableNode = (CommonTree) source.getChild(0);
|
|
if (singleTableNode.getType() == CMISParser.TABLE)
|
|
{
|
|
if (joinSupport == CMISJoinEnum.NO_JOIN_SUPPORT)
|
|
{
|
|
throw new UnsupportedOperationException("Joins are not supported");
|
|
}
|
|
CommonTree tableSourceNode = (CommonTree) singleTableNode.getFirstChildWithType(CMISParser.SOURCE);
|
|
return buildSource(tableSourceNode, joinSupport, factory);
|
|
|
|
}
|
|
if (singleTableNode.getType() != CMISParser.TABLE_REF)
|
|
{
|
|
throw new CMISQueryException("Expecting TABLE_REF token but found " + singleTableNode.getText());
|
|
}
|
|
String tableName = singleTableNode.getChild(0).getText();
|
|
String alias = "";
|
|
if (singleTableNode.getChildCount() > 1)
|
|
{
|
|
alias = singleTableNode.getChild(1).getText();
|
|
}
|
|
|
|
CMISTypeDefinition typeDef = cmisDictionaryService.findTypeByQueryName(tableName);
|
|
if (typeDef == null)
|
|
{
|
|
throw new CMISQueryException("Type is unsupported in query: " + tableName);
|
|
}
|
|
if (typeDef.getTypeId().getScope() != CMISScope.POLICY)
|
|
{
|
|
if (!typeDef.isQueryable())
|
|
{
|
|
throw new CMISQueryException("Type is not queryable " + tableName + " -> " + typeDef.getTypeId());
|
|
}
|
|
}
|
|
return factory.createSelector(typeDef.getTypeId().getQName(), alias);
|
|
}
|
|
else
|
|
{
|
|
if (joinSupport == CMISJoinEnum.NO_JOIN_SUPPORT)
|
|
{
|
|
throw new UnsupportedOperationException("Joins are not supported");
|
|
}
|
|
CommonTree singleTableNode = (CommonTree) source.getChild(0);
|
|
if (singleTableNode.getType() != CMISParser.TABLE_REF)
|
|
{
|
|
throw new CMISQueryException("Expecting TABLE_REF token but found " + singleTableNode.getText());
|
|
}
|
|
String tableName = singleTableNode.getChild(0).getText();
|
|
String alias = "";
|
|
if (singleTableNode.getChildCount() == 2)
|
|
{
|
|
alias = singleTableNode.getChild(1).getText();
|
|
}
|
|
CMISTypeDefinition typeDef = cmisDictionaryService.findTypeByQueryName(tableName);
|
|
if (typeDef == null)
|
|
{
|
|
throw new CMISQueryException("Type is unsupported in query " + tableName);
|
|
}
|
|
if (typeDef.getTypeId().getScope() != CMISScope.POLICY)
|
|
{
|
|
if (!typeDef.isQueryable())
|
|
{
|
|
throw new CMISQueryException("Type is not queryable " + tableName + " -> " + typeDef.getTypeId());
|
|
}
|
|
}
|
|
|
|
Source lhs = factory.createSelector(typeDef.getTypeId().getQName(), alias);
|
|
|
|
List<CommonTree> list = (List<CommonTree>) (source.getChildren());
|
|
for (CommonTree joinNode : list)
|
|
{
|
|
if (joinNode.getType() == CMISParser.JOIN)
|
|
{
|
|
CommonTree rhsSource = (CommonTree) joinNode.getFirstChildWithType(CMISParser.SOURCE);
|
|
Source rhs = buildSource(rhsSource, joinSupport, factory);
|
|
|
|
JoinType joinType = JoinType.INNER;
|
|
CommonTree joinTypeNode = (CommonTree) joinNode.getFirstChildWithType(CMISParser.LEFT);
|
|
if (joinTypeNode != null)
|
|
{
|
|
joinType = JoinType.LEFT;
|
|
}
|
|
|
|
if ((joinType == JoinType.LEFT) && (joinSupport == CMISJoinEnum.INNER_JOIN_SUPPORT))
|
|
{
|
|
throw new UnsupportedOperationException("Outer joins are not supported");
|
|
}
|
|
|
|
Constraint joinCondition = null;
|
|
CommonTree joinConditionNode = (CommonTree) joinNode.getFirstChildWithType(CMISParser.ON);
|
|
if (joinConditionNode != null)
|
|
{
|
|
PropertyArgument arg1 = buildColumnReference(Equals.ARG_LHS, (CommonTree) joinConditionNode.getChild(0), factory, null, null);
|
|
if (!lhs.getSelectors().containsKey(arg1.getSelector()) && !rhs.getSelectors().containsKey(arg1.getSelector()))
|
|
{
|
|
throw new CMISQueryException("No table with alias " + arg1.getSelector());
|
|
}
|
|
CommonTree functionNameNode = (CommonTree) joinConditionNode.getChild(1);
|
|
if (functionNameNode.getType() != CMISParser.EQUALS)
|
|
{
|
|
throw new CMISQueryException("Only Equi-join is supported " + functionNameNode.getText());
|
|
}
|
|
Function function = factory.getFunction(Equals.NAME);
|
|
if (function == null)
|
|
{
|
|
throw new CMISQueryException("Unknown function: " + functionNameNode.getText());
|
|
}
|
|
PropertyArgument arg2 = buildColumnReference(Equals.ARG_RHS, (CommonTree) joinConditionNode.getChild(2), factory, null, null);
|
|
if (!lhs.getSelectors().containsKey(arg2.getSelector()) && !rhs.getSelectors().containsKey(arg2.getSelector()))
|
|
{
|
|
throw new CMISQueryException("No table with alias " + arg2.getSelector());
|
|
}
|
|
Map<String, Argument> functionArguments = new LinkedHashMap<String, Argument>();
|
|
functionArguments.put(arg1.getName(), arg1);
|
|
functionArguments.put(arg2.getName(), arg2);
|
|
joinCondition = factory.createFunctionalConstraint(function, functionArguments);
|
|
}
|
|
|
|
Source join = factory.createJoin(lhs, rhs, joinType, joinCondition);
|
|
lhs = join;
|
|
}
|
|
}
|
|
|
|
return lhs;
|
|
|
|
}
|
|
}
|
|
|
|
public PropertyArgument buildColumnReference(String argumentName, CommonTree columnReferenceNode, QueryModelFactory factory, Map<String, Selector> selectors,
|
|
Map<String, Column> columnMap)
|
|
{
|
|
String cmisPropertyName = columnReferenceNode.getChild(0).getText();
|
|
String qualifier = "";
|
|
if (columnReferenceNode.getChildCount() > 1)
|
|
{
|
|
qualifier = columnReferenceNode.getChild(1).getText();
|
|
}
|
|
|
|
if ((qualifier == "") && (columnMap != null))
|
|
{
|
|
Column column = columnMap.get(cmisPropertyName);
|
|
if (column != null)
|
|
{
|
|
// check for function type
|
|
if (column.getFunction().getName().equals(PropertyAccessor.NAME))
|
|
{
|
|
PropertyArgument arg = (PropertyArgument) column.getFunctionArguments().get(PropertyAccessor.ARG_PROPERTY);
|
|
cmisPropertyName = arg.getPropertyName();
|
|
qualifier = arg.getSelector();
|
|
}
|
|
else
|
|
{
|
|
// TODO: should be able to return non property arguments
|
|
// The implementation should throw out what it can not support at build time.
|
|
throw new CMISQueryException("Complex column reference unsupported (only direct column references are currently supported) " + cmisPropertyName);
|
|
}
|
|
}
|
|
}
|
|
|
|
CMISPropertyDefinition propDef = cmisDictionaryService.findPropertyByQueryName(cmisPropertyName);
|
|
if (propDef == null)
|
|
{
|
|
throw new CMISQueryException("Unknown column/property " + cmisPropertyName);
|
|
}
|
|
|
|
if (selectors != null)
|
|
{
|
|
Selector selector = selectors.get(qualifier);
|
|
if (selector == null)
|
|
{
|
|
if ((qualifier.equals("")) && (selectors.size() == 1))
|
|
{
|
|
selector = selectors.get(selectors.keySet().iterator().next());
|
|
}
|
|
else
|
|
{
|
|
throw new CMISQueryException("No selector for " + qualifier);
|
|
}
|
|
}
|
|
|
|
CMISTypeDefinition typeDef = cmisDictionaryService.findTypeForClass(selector.getType(), validScopes);
|
|
if (typeDef == null)
|
|
{
|
|
throw new CMISQueryException("Type unsupported in CMIS queries: " + selector.getAlias());
|
|
}
|
|
|
|
// Check column/property applies to selector/type
|
|
|
|
if (!typeDef.getPropertyDefinitions().containsKey(propDef.getPropertyId().getId()))
|
|
{
|
|
throw new CMISQueryException("Invalid column for " + typeDef.getQueryName() + "." + cmisPropertyName);
|
|
}
|
|
}
|
|
|
|
if (options.getQueryMode() == CMISQueryMode.CMS_STRICT)
|
|
{
|
|
if (!propDef.isQueryable())
|
|
{
|
|
throw new CMISQueryException("Column is not queryable " + qualifier + "." + cmisPropertyName);
|
|
}
|
|
}
|
|
return factory.createPropertyArgument(argumentName, propDef.isQueryable(), propDef.isOrderable(), qualifier, propDef.getPropertyId().getId());
|
|
}
|
|
|
|
private String unescape(String string, EscapeMode mode)
|
|
{
|
|
StringBuilder builder = new StringBuilder(string.length());
|
|
|
|
boolean lastWasEscape = false;
|
|
|
|
for (int i = 0; i < string.length(); i++)
|
|
{
|
|
char c = string.charAt(i);
|
|
if (lastWasEscape)
|
|
{
|
|
|
|
// Need to keep escaping for like as we have the same escaping
|
|
if (mode == EscapeMode.LIKE)
|
|
{
|
|
// Like does its own escaping - so pass through \ % and _
|
|
if (c == '\'')
|
|
{
|
|
builder.append(c);
|
|
}
|
|
else if (c == '%')
|
|
{
|
|
builder.append('\\');
|
|
builder.append(c);
|
|
}
|
|
else if (c == '_')
|
|
{
|
|
builder.append('\\');
|
|
builder.append(c);
|
|
}
|
|
else if (c == '\\')
|
|
{
|
|
builder.append('\\');
|
|
builder.append(c);
|
|
}
|
|
else
|
|
{
|
|
throw new UnsupportedOperationException("Unsupported escape pattern in <" + string + "> at position " + i);
|
|
}
|
|
}
|
|
else if (mode == EscapeMode.CONTAINS)
|
|
{
|
|
if (options.getQueryMode() == CMISQueryMode.CMS_STRICT)
|
|
{
|
|
if (c == '\'')
|
|
{
|
|
builder.append(c);
|
|
}
|
|
else if (c == '\\')
|
|
{
|
|
builder.append('\\');
|
|
builder.append(c);
|
|
}
|
|
|
|
else
|
|
{
|
|
throw new UnsupportedOperationException("Unsupported escape pattern in <" + string + "> at position " + i);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (c == '\'')
|
|
{
|
|
builder.append(c);
|
|
}
|
|
else
|
|
{
|
|
builder.append(c);
|
|
}
|
|
}
|
|
}
|
|
else if (mode == EscapeMode.LITERAL)
|
|
{
|
|
if (c == '\'')
|
|
{
|
|
builder.append(c);
|
|
}
|
|
else if (c == '\\')
|
|
{
|
|
builder.append(c);
|
|
}
|
|
else
|
|
{
|
|
throw new UnsupportedOperationException("Unsupported escape pattern in <" + string + "> at position " + i);
|
|
|
|
}
|
|
}
|
|
else
|
|
{
|
|
throw new UnsupportedOperationException("Unsupported escape pattern in <" + string + "> at position " + i);
|
|
|
|
}
|
|
lastWasEscape = false;
|
|
}
|
|
else
|
|
{
|
|
if (c == '\\')
|
|
{
|
|
lastWasEscape = true;
|
|
}
|
|
else
|
|
{
|
|
builder.append(c);
|
|
}
|
|
}
|
|
}
|
|
if (lastWasEscape)
|
|
{
|
|
throw new FTSQueryException("Escape character at end of string " + string);
|
|
}
|
|
|
|
return builder.toString();
|
|
}
|
|
}
|