- 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/item/ItemResolver.java

@@ -0,0 +1,145 @@
+/*
+ * 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.item;
+
+import java.util.List;
+
+import javax.jcr.PathNotFoundException;
+
+import org.alfresco.jcr.session.SessionImpl;
+import org.alfresco.service.cmr.repository.NodeRef;
+import org.alfresco.service.cmr.search.SearchService;
+
+
+/**
+ * Responsible for finding JCR Items (Nodes, Properties) from Alfresco equivalents 
+ * 
+ * @author David Caruana
+ *
+ */
+public class ItemResolver
+{
+
+    /**
+     * Create an Item from a JCR Path
+     * 
+     * @param context  session context
+     * @param from  starting node for path
+     * @param path  the path
+     * @return  the Item (Node or Property)
+     * @throws PathNotFoundException
+     */
+    public static ItemImpl findItem(SessionImpl context, NodeRef from, String path)
+        throws PathNotFoundException
+    {
+        ItemImpl item = null;
+        
+        NodeRef nodeRef = getNodeRef(context, from, path);
+        if (nodeRef != null)
+        {
+            item = new NodeImpl(context, nodeRef);
+        }
+        else
+        {
+            // TODO: create property
+        }
+        
+        if (item == null)
+        {
+            throw new PathNotFoundException("Path " + path + " not found.");
+        }
+
+        return item;
+    }
+
+    /**
+     * Create an Node from a JCR Path
+     * 
+     * @param context  session context
+     * @param from  starting node for path
+     * @param path  the path
+     * @return  the Item (Node or Property)
+     * @throws PathNotFoundException
+     */
+    public static NodeImpl findNode(SessionImpl context, NodeRef from, String path)
+        throws PathNotFoundException
+    {
+        NodeRef nodeRef = getNodeRef(context, from, path);
+        if (nodeRef == null)
+        {
+            throw new PathNotFoundException("A node does not exist at path " + path + " relative to node " + from);
+        }
+        return new NodeImpl(context, nodeRef);
+    }
+    
+    /**
+     * Determine if Item exists
+     * 
+     * @param context  session context
+     * @param from  starting node for path
+     * @param path  the path
+     * @return  true => exists, false => no it doesn't
+     */
+    public static boolean itemExists(SessionImpl context, NodeRef from, String path)
+    {
+        boolean exists = nodeExists(context, from, path);
+        if (!exists)
+        {
+            // TODO: Check for property
+        }
+        return exists;
+    }
+
+    /**
+     * Determine if Node exists
+     * 
+     * @param context  session context
+     * @param from  starting node for path
+     * @param path  the path
+     * @return  true => exists, false => no it doesn't
+     */
+    public static boolean nodeExists(SessionImpl context, NodeRef from, String path)
+    {
+        NodeRef nodeRef = getNodeRef(context, from, path);
+        return nodeRef != null;
+    }
+    
+    /**
+     * Gets the Node Reference for the node at the specified path
+     * 
+     * @param context  session context
+     * @param from  the starting node for the path
+     * @param path  the path
+     * @return  the node reference (or null if not found)
+     */
+    public static NodeRef getNodeRef(SessionImpl context, NodeRef from, String path)
+    {
+        NodeRef nodeRef = null;
+        
+        // TODO: Support JCR Path
+        // TODO: Catch malformed path and return false (per Specification)
+        SearchService search = context.getRepositoryImpl().getServiceRegistry().getSearchService(); 
+        List<NodeRef> nodeRefs = search.selectNodes(from, path, null, context.getNamespaceResolver(), false);
+        if (nodeRefs != null && nodeRefs.size() > 0)
+        {
+            nodeRef = nodeRefs.get(0);
+        }
+            
+        return nodeRef;
+    }
+    
+}