svn commit: r647161 - in /lenya/trunk/src/modules-core/ac: config/sitemap/userinfo-transformer.xmap java/src/org/apache/lenya/modules/ java/src/org/apache/lenya/modules/ac/ java/src/org/apache/lenya/modules/ac/UserInfoTransformer.java

Author: andreas
Date: Fri Apr 11 06:29:58 2008
New Revision: 647161

URL: http://svn.apache.org/viewvc?rev=647161&view=rev
Log:
Adding UserInfoTransformer.

Added:
    lenya/trunk/src/modules-core/ac/config/sitemap/userinfo-transformer.xmap
    lenya/trunk/src/modules-core/ac/java/src/org/apache/lenya/modules/
    lenya/trunk/src/modules-core/ac/java/src/org/apache/lenya/modules/ac/
    lenya/trunk/src/modules-core/ac/java/src/org/apache/lenya/modules/ac/UserInfoTransformer.java

Added: lenya/trunk/src/modules-core/ac/config/sitemap/userinfo-transformer.xmap
URL: http://svn.apache.org/viewvc/lenya/trunk/src/modules-core/ac/config/sitemap/userinfo-transformer.xmap?rev=647161&view=auto
==============================================================================
--- lenya/trunk/src/modules-core/ac/config/sitemap/userinfo-transformer.xmap (added)
+++ lenya/trunk/src/modules-core/ac/config/sitemap/userinfo-transformer.xmap Fri Apr 11 06:29:58 2008
@@ -0,0 +1,24 @@
+<?xml version="1.0"?>
+<!--
+  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.
+-->
+
+<xmap xpath="/sitemap/components/transformers" 
+  unless="/sitemap/components/transformers/transformer[@name = 'userInfo']"
+  xmlns:map="http://apache.org/cocoon/sitemap/1.0">
+  <map:transformer name="userInfo" logger="lenya.sitemap.transformer.userInfo"
+    src="org.apache.lenya.modules.ac.UserInfoTransformer"/>
+</xmap>

Added: lenya/trunk/src/modules-core/ac/java/src/org/apache/lenya/modules/ac/UserInfoTransformer.java
URL: http://svn.apache.org/viewvc/lenya/trunk/src/modules-core/ac/java/src/org/apache/lenya/modules/ac/UserInfoTransformer.java?rev=647161&view=auto
==============================================================================
--- lenya/trunk/src/modules-core/ac/java/src/org/apache/lenya/modules/ac/UserInfoTransformer.java (added)
+++ lenya/trunk/src/modules-core/ac/java/src/org/apache/lenya/modules/ac/UserInfoTransformer.java Fri Apr 11 06:29:58 2008
@@ -0,0 +1,101 @@
+/*
+ * 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.lenya.modules.ac;
+
+import java.io.IOException;
+import java.util.Map;
+
+import org.apache.avalon.framework.parameters.Parameters;
+import org.apache.cocoon.ProcessingException;
+import org.apache.cocoon.environment.ObjectModelHelper;
+import org.apache.cocoon.environment.Request;
+import org.apache.cocoon.environment.SourceResolver;
+import org.apache.cocoon.transformation.AbstractSAXTransformer;
+import org.apache.lenya.ac.AccessControlException;
+import org.apache.lenya.ac.User;
+import org.apache.lenya.cms.ac.PolicyUtil;
+import org.apache.lenya.util.ServletHelper;
+import org.xml.sax.Attributes;
+import org.xml.sax.SAXException;
+
+/**
+ * <p>
+ * Transformer to retrieve user information based on the user ID. The user ID can
+ * either be provided using the <em>userId</em> attribute or as text inside the element.
+ * </p>
+ * <p>Elements:</p>
+ * <ul>
+ * <li><code>&lt;user:fullname&gt;</code> - The full name. If the user doesn't exist, the user ID is inserted.</li>
+ * </ul>
+ * <p>
+ * Usage examples:
+ * </p>
+ * <pre><code>
+ * &lt;user:fullname&gt;john&lt;/user:fullname&gt;
+ * 
+ * &lt;user:fullname userId="john"/&gt;
+ * </code></pre>
+ */
+public class UserInfoTransformer extends AbstractSAXTransformer {
+
+    protected static final String ATTR_USER_ID = "userId";
+    protected static final String ELEM_FULLNAME = "fullname";
+    protected static final String NAMESPACE = "http://apache.org/lenya/userinfo/1.0";
+    private String userId;
+    private String url;
+
+    public UserInfoTransformer() {
+        this.defaultNamespaceURI = NAMESPACE;
+    }
+
+    public void setup(SourceResolver resolver, Map objectModel, String src, Parameters params)
+            throws ProcessingException, SAXException, IOException {
+        super.setup(resolver, objectModel, src, params);
+        Request request = ObjectModelHelper.getRequest(objectModel);
+        this.url = ServletHelper.getWebappURI(request);
+        
+    }
+
+    public void startTransformingElement(String uri, String name, String raw, Attributes attr)
+            throws ProcessingException, IOException, SAXException {
+        if (name.equals(ELEM_FULLNAME)) {
+            String userId = attr.getValue(ATTR_USER_ID);
+            if (userId != null) {
+                this.userId = userId;
+            } else {
+                startTextRecording();
+            }
+        }
+    }
+
+    public void endTransformingElement(String uri, String name, String raw)
+            throws ProcessingException, IOException, SAXException {
+        if (name.equals(ELEM_FULLNAME)) {
+            String userId = this.userId != null ? this.userId : endTextRecording();
+            try {
+                User user = PolicyUtil.getUser(this.manager, this.url, userId, getLogger());
+                String output = user != null ? user.getName() : userId;
+                char[] chars = output.toCharArray();
+                characters(chars, 0, chars.length);
+            } catch (AccessControlException e) {
+                throw new ProcessingException(e);
+            }
+            this.userId = null;
+        }
+    }
+
+}