001    // Copyright 2004, 2005 The Apache Software Foundation
002    //
003    // Licensed under the Apache License, Version 2.0 (the "License");
004    // you may not use this file except in compliance with the License.
005    // You may obtain a copy of the License at
006    //
007    //     http://www.apache.org/licenses/LICENSE-2.0
008    //
009    // Unless required by applicable law or agreed to in writing, software
010    // distributed under the License is distributed on an "AS IS" BASIS,
011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012    // See the License for the specific language governing permissions and
013    // limitations under the License.
014    
015    package org.apache.tapestry.junit.mock.app;
016    
017    import org.apache.tapestry.IDirect;
018    import org.apache.tapestry.IRequestCycle;
019    import org.apache.tapestry.callback.DirectCallback;
020    import org.apache.tapestry.callback.ICallback;
021    import org.apache.tapestry.html.BasePage;
022    
023    /**
024     * Tests the ability to "protect" a link with a Guard page. Tests the
025     * {@link org.apache.tapestry.callback.DirectCallback}class.
026     * 
027     * @author Howard Lewis Ship
028     * @since 2.3
029     */
030    
031    public abstract class ProtectedLink extends BasePage
032    {
033        public void linkClicked(IRequestCycle cycle)
034        {
035            Object[] parameters = cycle.getListenerParameters();
036    
037            Guard guard = (Guard) cycle.getPage("Guard");
038    
039            if (!guard.isVisited())
040            {
041                ICallback callback = new DirectCallback((IDirect) getComponent("link"), parameters);
042                guard.setCallback(callback);
043                cycle.activate(guard);
044                return;
045            }
046    
047            ProtectedLinkResult page = (ProtectedLinkResult) cycle.getPage("ProtectedLinkResult");
048            page.setParameters(parameters);
049    
050            cycle.activate(page);
051        }
052    }