- 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

source/java/org/alfresco/jcr/query/QueryManagerImpl.java

@@ -0,0 +1,124 @@
+/*
+ * Copyright (C) 2005 Alfresco, Inc.
+ *
+ * Licensed under the Mozilla Public License version 1.1 
+ * with a permitted attribution clause. You may obtain a
+ * copy of the License at
+ *
+ *   http://www.alfresco.org/legal/license.txt
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
+ * either express or implied. See the License for the specific
+ * language governing permissions and limitations under the
+ * License.
+ */
+package org.alfresco.jcr.query;
+
+import java.lang.reflect.Constructor;
+import java.util.HashMap;
+import java.util.Map;
+
+import javax.jcr.Node;
+import javax.jcr.RepositoryException;
+import javax.jcr.query.InvalidQueryException;
+import javax.jcr.query.Query;
+import javax.jcr.query.QueryManager;
+
+import org.alfresco.jcr.dictionary.JCRNamespace;
+import org.alfresco.jcr.session.SessionImpl;
+import org.alfresco.service.namespace.QName;
+
+
+/**
+ * Alfresco implementation of JCR Query Manager
+ * 
+ * @author David Caruana
+ */
+public class QueryManagerImpl implements QueryManager
+{
+    public static QName JCRPATH_COLUMN = QName.createQName(JCRNamespace.JCR_URI, "path");
+    public static QName JCRSCORE_COLUMN = QName.createQName(JCRNamespace.JCR_URI, "score");
+    
+    /** supported query languages */    
+    private static Map<String, Class<? extends QueryImpl>> supportedLanguages = new HashMap<String, Class<? extends QueryImpl>>();
+    static
+    {
+        supportedLanguages.put(Query.XPATH, XPathQueryImpl.class);
+    }
+
+    private SessionImpl session;
+    
+    /**
+     * Construct
+     * 
+     * @param session  session
+     */
+    public QueryManagerImpl(SessionImpl session)
+    {
+        this.session = session;
+    }
+    
+    /* (non-Javadoc)
+     * @see javax.jcr.query.QueryManager#createQuery(java.lang.String, java.lang.String)
+     */
+    public Query createQuery(String statement, String language) throws InvalidQueryException, RepositoryException
+    {
+        // is the language known?
+        if (!isSupportedLanguage(language))
+        {
+            throw new InvalidQueryException("Query language " + language + " is not supported");
+        }
+
+        // construct the query
+        Class<? extends QueryImpl> queryClass = supportedLanguages.get(language);
+        try
+        {
+            Constructor<? extends QueryImpl> constructor = queryClass.getConstructor(new Class[] { SessionImpl.class, String.class } );
+            QueryImpl queryImpl = constructor.newInstance(new Object[] { session, statement } );
+            queryImpl.isValidStatement();
+            return queryImpl.getProxy();
+        }
+        catch (InstantiationException e)
+        {
+            throw new RepositoryException("Failed to create query " + statement + " (language: " + language + ")");
+        }
+        catch (IllegalAccessException e)
+        {
+            throw new RepositoryException("Failed to create query " + statement + " (language: " + language + ")");
+        }
+        catch (Exception e)
+        {
+            throw new RepositoryException("Failed to create query " + statement + " (language: " + language + ")");
+        }
+    }
+
+    /* (non-Javadoc)
+     * @see javax.jcr.query.QueryManager#getQuery(javax.jcr.Node)
+     */
+    public Query getQuery(Node node) throws InvalidQueryException, RepositoryException
+    {
+        throw new InvalidQueryException("Persistent queries are not supported by the Repository.");
+    }
+
+    /* (non-Javadoc)
+     * @see javax.jcr.query.QueryManager#getSupportedQueryLanguages()
+     */
+    public String[] getSupportedQueryLanguages() throws RepositoryException
+    {
+        return supportedLanguages.keySet().toArray(new String[supportedLanguages.size()]);
+    }
+
+    /**
+     * Is supported language?
+     * 
+     * @param language  language to check
+     * @return  true => supported
+     */
+    private boolean isSupportedLanguage(String language)
+    {
+        return supportedLanguages.containsKey(language);
+    }
+    
+}