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https://github.com/Alfresco/alfresco-community-repo.git
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- Incorporate JCR project into Repository project
- Single configuration entry point for JCR and non-JCR clients (i.e. application-context.xml) - Addition of build-war, incremental-war build targets (no deploy) - Remove build of JCR TCK war file by default git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@2777 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
David Caruana
396
source/java/org/alfresco/jcr/importer/JCRDocXMLHandler.java
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396
source/java/org/alfresco/jcr/importer/JCRDocXMLHandler.java
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/*
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* Copyright (C) 2005 Alfresco, Inc.
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*
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* Licensed under the Mozilla Public License version 1.1
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* with a permitted attribution clause. You may obtain a
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* copy of the License at
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*
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* http://www.alfresco.org/legal/license.txt
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
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* either express or implied. See the License for the specific
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* language governing permissions and limitations under the
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* License.
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*/
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package org.alfresco.jcr.importer;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileNotFoundException;
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import java.io.InputStream;
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import java.io.Serializable;
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import java.util.List;
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import java.util.Stack;
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import javax.jcr.InvalidSerializedDataException;
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import org.alfresco.jcr.dictionary.JCRNamespace;
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import org.alfresco.jcr.item.property.JCRMixinTypesProperty;
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import org.alfresco.jcr.item.property.JCRPrimaryTypeProperty;
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import org.alfresco.jcr.item.property.JCRUUIDProperty;
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import org.alfresco.jcr.session.SessionImpl;
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import org.alfresco.repo.importer.ImportContentHandler;
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import org.alfresco.repo.importer.Importer;
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import org.alfresco.repo.importer.view.ElementContext;
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import org.alfresco.repo.importer.view.NodeContext;
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import org.alfresco.repo.importer.view.ParentContext;
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import org.alfresco.service.cmr.dictionary.AspectDefinition;
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import org.alfresco.service.cmr.dictionary.DataTypeDefinition;
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import org.alfresco.service.cmr.dictionary.DictionaryService;
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import org.alfresco.service.cmr.dictionary.InvalidTypeException;
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import org.alfresco.service.cmr.dictionary.PropertyDefinition;
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import org.alfresco.service.cmr.dictionary.TypeDefinition;
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import org.alfresco.service.cmr.repository.NodeRef;
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import org.alfresco.service.cmr.repository.datatype.DefaultTypeConverter;
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import org.alfresco.service.cmr.view.ImporterException;
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import org.alfresco.service.namespace.NamespacePrefixResolver;
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import org.alfresco.service.namespace.QName;
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import org.alfresco.util.Base64;
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import org.alfresco.util.ISO9075;
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import org.xml.sax.Attributes;
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import org.xml.sax.Locator;
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import org.xml.sax.SAXException;
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import org.xml.sax.SAXParseException;
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/**
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* Alfresco implementation of a Doc View Import Content Handler
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*
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* @author David Caruana
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*/
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public class JCRDocXMLHandler implements ImportContentHandler
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{
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private Importer importer;
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private SessionImpl session;
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private DictionaryService dictionaryService;
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private NamespacePrefixResolver importResolver;
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private Stack<ElementContext> contextStack = new Stack<ElementContext>();
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/**
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* Construct
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*
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* @param session JCR Session
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* @param importResolver Namespace Resolver for the Import
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*/
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public JCRDocXMLHandler(SessionImpl session, NamespacePrefixResolver importResolver)
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{
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this.session = session;
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this.importResolver = importResolver;
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this.dictionaryService = session.getRepositoryImpl().getServiceRegistry().getDictionaryService();
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}
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/*
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* (non-Javadoc)
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* @see org.alfresco.repo.importer.ImportContentHandler#setImporter(org.alfresco.repo.importer.Importer)
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*/
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public void setImporter(Importer importer)
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{
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this.importer = importer;
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}
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/*
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* (non-Javadoc)
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* @see org.alfresco.repo.importer.ImportContentHandler#importStream(java.lang.String)
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*/
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public InputStream importStream(String content)
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{
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File contentFile = new File(content);
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try
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{
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FileInputStream contentStream = new FileInputStream(contentFile);
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return new Base64.InputStream(contentStream, Base64.DECODE | Base64.DONT_BREAK_LINES);
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}
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catch (FileNotFoundException e)
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{
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throw new ImporterException("Failed to retrieve import input stream on temporary content file " + content);
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}
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}
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/*
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* (non-Javadoc)
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* @see org.xml.sax.ContentHandler#setDocumentLocator(org.xml.sax.Locator)
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*/
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public void setDocumentLocator(Locator locator)
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{
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// NOOP
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}
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/*
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* (non-Javadoc)
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* @see org.xml.sax.ContentHandler#startDocument()
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*/
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public void startDocument() throws SAXException
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{
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// NOOP
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}
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/*
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* (non-Javadoc)
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* @see org.xml.sax.ContentHandler#endDocument()
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*/
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public void endDocument() throws SAXException
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{
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// NOOP
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}
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/*
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* (non-Javadoc)
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* @see org.xml.sax.ContentHandler#startPrefixMapping(java.lang.String, java.lang.String)
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*/
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public void startPrefixMapping(String prefix, String uri) throws SAXException
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{
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// NOOP
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}
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/*
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* (non-Javadoc)
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* @see org.xml.sax.ContentHandler#endPrefixMapping(java.lang.String)
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*/
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public void endPrefixMapping(String prefix) throws SAXException
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{
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// NOOP
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}
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/*
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* (non-Javadoc)
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* @see org.xml.sax.ContentHandler#startElement(java.lang.String, java.lang.String, java.lang.String, org.xml.sax.Attributes)
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*/
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public void startElement(String uri, String localName, String qName, Attributes atts) throws SAXException
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{
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try
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{
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// construct qname for element
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QName elementName = decodeQName(QName.createQName(qName, importResolver));
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// setup parent context
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ParentContext parentContext = null;
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if (contextStack.empty())
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{
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// create root parent context
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parentContext = new ParentContext(elementName, dictionaryService, importer);
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}
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else
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{
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// create parent context
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NodeContext parentNode = (NodeContext)contextStack.peek();
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parentContext = new ParentContext(elementName, parentNode);
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}
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// create node context
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NodeContext node = new NodeContext(elementName, parentContext, null);
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node.setChildName(elementName.toPrefixString(importResolver));
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contextStack.push(node);
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// process node properties
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for (int i = 0; i < atts.getLength(); i++)
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{
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QName propName = decodeQName(QName.createQName(atts.getURI(i), atts.getLocalName(i)));
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String value = atts.getValue(i);
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//
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// process "well-known" properties
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//
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if (propName.equals(JCRPrimaryTypeProperty.PROPERTY_NAME))
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{
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// primary type
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QName primaryTypeQName = QName.createQName(value, importResolver);
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TypeDefinition typeDef = dictionaryService.getType(primaryTypeQName);
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if (typeDef == null)
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{
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throw new InvalidTypeException(primaryTypeQName);
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}
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node.setTypeDefinition(typeDef);
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}
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else if (propName.equals(JCRMixinTypesProperty.PROPERTY_NAME))
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{
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// aspects
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String[] aspects = value.split(" ");
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for (String aspect : aspects)
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{
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// ignore JCR specific aspects
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QName aspectQName = QName.createQName(aspect, importResolver);
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if (!(JCRNamespace.JCR_URI.equals(aspectQName.getNamespaceURI()) ||
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JCRNamespace.MIX_URI.equals(aspectQName.getNamespaceURI())))
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{
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AspectDefinition aspectDef = dictionaryService.getAspect(aspectQName);
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if (aspectDef == null)
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{
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throw new InvalidTypeException(aspectQName);
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}
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node.addAspect(aspectDef);
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}
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}
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}
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else if (JCRUUIDProperty.PROPERTY_NAME.equals(propName))
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{
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node.setUUID(value);
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}
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//
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// Note: ignore JCR specific properties
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//
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else if (JCRNamespace.JCR_URI.equals(propName.getNamespaceURI()))
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{
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}
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//
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// process all other properties
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//
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else
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{
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// determine type of property
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PropertyDefinition propDef = dictionaryService.getProperty(propName);
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if (propDef == null)
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{
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throw new ImporterException("Property " + propName + " is not known to the repository data dictionary");
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}
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DataTypeDefinition dataTypeDef = propDef.getDataType();
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// extract values from node xml attribute
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String[] propValues = null;
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PropertyContext propertyContext = new PropertyContext(elementName, node, propName, dataTypeDef.getName());
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if (dataTypeDef.getName().equals(DataTypeDefinition.CONTENT))
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{
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// Note: we only support single valued content properties
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propValues = new String[] { value };
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}
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else
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{
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// attempt to split multi-value properties
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propValues = value.split(" ");
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}
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// extract values appropriately
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for (String propValue : propValues)
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{
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propertyContext.startValue();
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propertyContext.appendCharacters(propValue.toCharArray(), 0, propValue.length());
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propertyContext.endValue();
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}
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// add each value to the node
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if (propertyContext.isMultiValue())
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{
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node.addPropertyCollection(propName);
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}
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List<StringBuffer> nodeValues = propertyContext.getValues();
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for (StringBuffer nodeValue : nodeValues)
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{
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// first, cast value to appropriate type (using JCR converters)
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Serializable objVal = (Serializable)session.getTypeConverter().convert(dataTypeDef, nodeValue.toString());
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String strValue = DefaultTypeConverter.INSTANCE.convert(String.class, objVal);
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node.addProperty(propName, strValue);
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}
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}
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}
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// import node
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NodeRef nodeRef = node.getImporter().importNode(node);
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node.setNodeRef(nodeRef);
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}
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catch(Exception e)
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{
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throw new SAXException("Failed to process element " + qName, e);
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}
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}
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/*
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* (non-Javadoc)
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* @see org.xml.sax.ContentHandler#endElement(java.lang.String, java.lang.String, java.lang.String)
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*/
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public void endElement(String uri, String localName, String qName) throws SAXException
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{
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try
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{
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// ensure context matches parse
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ElementContext context = (ElementContext)contextStack.pop();
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QName elementName = QName.createQName(qName, importResolver);
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if (!context.getElementName().equals(elementName))
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{
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throw new InvalidSerializedDataException("Expected element " + context.getElementName() + " but was " + elementName);
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}
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// signal end of node
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NodeContext nodeContext = (NodeContext)context;
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nodeContext.getImporter().childrenImported(nodeContext.getNodeRef());
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}
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catch(Exception e)
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{
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throw new SAXException("Failed to process element " + qName, e);
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}
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}
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/*
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* (non-Javadoc)
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* @see org.xml.sax.ContentHandler#characters(char[], int, int)
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*/
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public void characters(char[] ch, int start, int length) throws SAXException
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{
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}
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/*
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* (non-Javadoc)
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* @see org.xml.sax.ContentHandler#ignorableWhitespace(char[], int, int)
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*/
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public void ignorableWhitespace(char[] ch, int start, int length) throws SAXException
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{
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}
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/*
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* (non-Javadoc)
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* @see org.xml.sax.ContentHandler#processingInstruction(java.lang.String, java.lang.String)
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*/
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public void processingInstruction(String target, String data) throws SAXException
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{
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}
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/*
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* (non-Javadoc)
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* @see org.xml.sax.ContentHandler#skippedEntity(java.lang.String)
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*/
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public void skippedEntity(String name) throws SAXException
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{
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}
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/*
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* (non-Javadoc)
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* @see org.xml.sax.ErrorHandler#warning(org.xml.sax.SAXParseException)
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*/
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public void warning(SAXParseException exception) throws SAXException
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{
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}
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/*
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* (non-Javadoc)
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* @see org.xml.sax.ErrorHandler#error(org.xml.sax.SAXParseException)
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*/
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public void error(SAXParseException exception) throws SAXException
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{
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}
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/*
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* (non-Javadoc)
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* @see org.xml.sax.ErrorHandler#fatalError(org.xml.sax.SAXParseException)
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*/
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public void fatalError(SAXParseException exception) throws SAXException
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{
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}
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/**
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* Decode QName
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*
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* @param name name to decode
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* @return the decoded name
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*/
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private QName decodeQName(QName name)
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{
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return QName.createQName(name.getNamespaceURI(), ISO9075.decode(name.getLocalName()));
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}
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}
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