--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/buildframework/helium/sf/java/legacy/src/com/nokia/ant/Antlib.java	Tue Apr 27 08:33:08 2010 +0300
@@ -0,0 +1,170 @@
+/*
+ *  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.
+ *
+ */
+
+/* * Portion Copyright (c) 2007-2008 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.*/
+
+package com.nokia.ant;
+
+import java.io.IOException;
+import java.net.URL;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.tools.ant.TaskContainer;
+import org.apache.tools.ant.BuildException;
+import org.apache.tools.ant.ComponentHelper;
+import org.apache.tools.ant.Project;
+import org.apache.tools.ant.Task;
+import org.apache.tools.ant.helper.ProjectHelper2;
+import org.apache.tools.ant.UnknownElement;
+
+import org.apache.tools.ant.taskdefs.*;
+
+/**
+ * Antlib task. It does not
+ * occur in an ant build file. It is the root element
+ * an antlib xml file.
+ * @ant.task ignore="true"
+ * @since Ant 1.6
+ */
+public class Antlib extends Task implements TaskContainer {
+    //
+    // Static
+    //
+
+    /** The name of this task */
+    public static final String TAG = "antlib";
+    
+    //
+    // Instance
+    //
+    private ClassLoader classLoader;
+    private String      uri = "";
+    private List<Task>  tasks = new ArrayList<Task>();
+    
+    /**
+     * Static method to read an ant lib definition from
+     * a url.
+     *
+     * @param project   the current project
+     * @param antlibUrl the url to read the definitions from
+     * @param uri       the uri that the antlib is to be placed in
+     * @return   the ant lib task
+     */
+    public static Antlib createAntlib(final Project project, final URL antlibUrl,
+                                      final String uri) {
+        // Check if we can contact the URL
+        try {
+            antlibUrl.openConnection().connect();
+        } catch (IOException ex) {
+            throw new BuildException(
+                "Unable to find " + antlibUrl, ex);
+        }
+        ComponentHelper helper =
+            ComponentHelper.getComponentHelper(project);
+        helper.enterAntLib(uri);
+        try {
+            // Should be safe to parse
+            ProjectHelper2 parser = new ProjectHelper2();
+            UnknownElement ue =
+                parser.parseUnknownElement(project, antlibUrl);
+            // Check name is "antlib"
+            if (!(ue.getTag().equals(TAG))) {
+                throw new BuildException(
+                    "Unexpected tag " + ue.getTag() + " expecting "
+                    + TAG, ue.getLocation());
+            }
+            Antlib antlib = new Antlib();
+            antlib.setProject(project);
+            antlib.setLocation(ue.getLocation());
+            antlib.setTaskName("antlib");
+            antlib.init();
+            ue.configure(antlib);
+            return antlib;
+        } finally {
+            helper.exitAntLib();
+        }
+    }
+
+    /**
+     * Set the class loader for this antlib.
+     * This class loader is used for any tasks that
+     * derive from Definer.
+     *
+     * @param classLoader the class loader
+     */
+    protected final void setClassLoader(final ClassLoader classLoader) 
+    {
+        this.classLoader = classLoader;
+    }
+
+    /**
+     * Set the URI for this antlib.
+     * @param uri the namespace uri
+     */
+    protected final void  setURI(final String uri) 
+    {
+        this.uri = uri;
+    }
+
+    private ClassLoader getClassLoader() {
+        if (classLoader == null) {
+            classLoader = Antlib.class.getClassLoader();
+        }
+        return classLoader;
+    }
+
+    /**
+     * add a task to the list of tasks
+     *
+     * @param nestedTask Nested task to execute in antlib
+     */
+    public final void addTask(final Task nestedTask) {
+        tasks.add(nestedTask);
+    }
+
+    /**
+     * Execute the nested tasks, setting the classloader for
+     * any tasks that derive from Definer.
+     */
+    public final void execute() {
+        for (Task t : tasks) {
+            if (t instanceof UnknownElement) {
+                UnknownElement ue = (UnknownElement)t;
+                setLocation(ue.getLocation());
+                ue.maybeConfigure();
+                Object configuredObject = ue.getRealThing();
+                if (configuredObject == null) {
+                    continue;
+                }
+                if (!(configuredObject instanceof AntlibDefinition)) {
+                    throw new BuildException(
+                            "Invalid task in antlib " + ue.getTag()
+                            + " " + configuredObject.getClass() + " does not "
+                            + "extend org.apache.tools.ant.taskdefs.AntlibDefinition");
+                }
+                AntlibDefinition def = (AntlibDefinition) configuredObject;
+                def.setURI(uri);
+                def.setAntlibClassLoader(getClassLoader());
+                def.init();
+                def.execute();
+            }
+        }
+    }
+
+}