Author: justin
Date: Thu Jan 28 21:56:19 2010
New Revision: 904276
URL: http://svn.apache.org/viewvc?rev=904276&view=rev
Log:
SLING-1333 - forgot the ReferenceParser
Added:
sling/trunk/bundles/servlets/post/src/main/java/org/apache/sling/servlets/post/impl/helper/ReferenceParser.java
Added:
sling/trunk/bundles/servlets/post/src/main/java/org/apache/sling/servlets/post/impl/helper/ReferenceParser.java
URL:
http://svn.apache.org/viewvc/sling/trunk/bundles/servlets/post/src/main/java/org/apache/sling/servlets/post/impl/helper/ReferenceParser.java?rev=904276&view=auto
==============================================================================
---
sling/trunk/bundles/servlets/post/src/main/java/org/apache/sling/servlets/post/impl/helper/ReferenceParser.java
(added)
+++
sling/trunk/bundles/servlets/post/src/main/java/org/apache/sling/servlets/post/impl/helper/ReferenceParser.java
Thu Jan 28 21:56:19 2010
@@ -0,0 +1,82 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with this
+ * work for additional information regarding copyright ownership. The ASF
+ * licenses this file to You under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * 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.apache.sling.servlets.post.impl.helper;
+
+import javax.jcr.Node;
+import javax.jcr.RepositoryException;
+import javax.jcr.Session;
+import javax.jcr.Value;
+import javax.jcr.ValueFactory;
+
+/**
+ * Takes a string representation of a node (either a path or a uuid) and tries
for parse it.
+ */
+public class ReferenceParser {
+
+ private final Session session;
+
+ public ReferenceParser(Session session) {
+ this.session = session;
+ }
+
+ /**
+ * Parses the given source string and returns the corresponding node.
+ * If no node matches returns <code>null</code>.
+ * <p/>
+ *
+ * @param value a path or UUID
+ * @return the node or <code>null</code>
+ * @throws RepositoryException
+ */
+ public Node parse(String value) throws RepositoryException {
+ boolean valueIsNodePath = false;
+ try {
+ if (session.itemExists(value)) {
+ valueIsNodePath = true;
+ }
+ } catch (RepositoryException e) {}
+ if (valueIsNodePath) {
+ return (Node) session.getItem(value);
+ } else {
+ return session.getNodeByUUID(value);
+ }
+ }
+
+ /**
+ * Parses the given source strings and returns the respective jcr Node
value
+ * instances. If no node matches for any of the sources
+ * returns <code>null</code>.
+ * <p/>
+ *
+ * @param values path or UUID strings
+ * @param factory the value factory
+ * @return the nodes or <code>null</code>
+ * @throws RepositoryException
+ */
+ public Value[] parse(String[] values, ValueFactory factory) throws
RepositoryException {
+ Value ret[] = new Value[values.length];
+ for (int i=0; i< values.length; i++) {
+ Node n = parse(values[i]);
+ if (n == null) {
+ return null;
+ }
+ ret[i] = factory.createValue(n);
+ }
+ return ret;
+ }
+
+}