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30 day Evaluation Version distributed via the Maven Jar Repository. Clover is not free. You have 30 days to evaluate it. Please visit http://www.thecortex.net/clover to obtain a licensed version of Clover | |||||||||||||||||||
Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
RedirectAnalyzer.java | 100% | 100% | 100% | 100% |
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// Copyright 2004, 2005 The Apache Software Foundation
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package org.apache.tapestry.engine;
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import java.io.IOException;
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import javax.servlet.RequestDispatcher;
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import javax.servlet.ServletException;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import org.apache.hivemind.ApplicationRuntimeException;
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import org.apache.hivemind.HiveMind;
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import org.apache.tapestry.IRequestCycle;
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import org.apache.tapestry.Tapestry;
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import org.apache.tapestry.request.RequestContext;
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/**
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* Used by {@link org.apache.tapestry.engine.AbstractEngine}when processing a
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* {@link org.apache.tapestry.RedirectException}.
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*
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* @author Howard Lewis Ship
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* @since 3.0
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*/
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class RedirectAnalyzer
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{ |
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private boolean _internal; |
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private String _location;
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public RedirectAnalyzer(String location)
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{ |
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if (HiveMind.isBlank(location))
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{ |
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_location = "";
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_internal = true;
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return;
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} |
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_location = location; |
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_internal = !(location.startsWith("/") || location.indexOf("://") > 0); |
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} |
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public void process(IRequestCycle cycle) |
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{ |
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RequestContext context = cycle.getRequestContext(); |
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if (_internal)
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forward(context); |
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else
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redirect(context); |
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} |
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private void forward(RequestContext context) |
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{ |
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HttpServletRequest request = context.getRequest(); |
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HttpServletResponse response = context.getResponse(); |
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RequestDispatcher dispatcher = request.getRequestDispatcher("/" + _location);
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if (dispatcher == null) |
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throw new ApplicationRuntimeException(Tapestry.format( |
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"AbstractEngine.unable-to-find-dispatcher",
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_location)); |
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try
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{ |
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dispatcher.forward(request, response); |
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} |
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catch (ServletException ex)
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{ |
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throw new ApplicationRuntimeException(Tapestry.format( |
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"AbstractEngine.unable-to-forward",
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_location), ex); |
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} |
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catch (IOException ex)
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{ |
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throw new ApplicationRuntimeException(Tapestry.format( |
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"AbstractEngine.unable-to-forward",
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_location), ex); |
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} |
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} |
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private void redirect(RequestContext context) |
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{ |
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HttpServletResponse response = context.getResponse(); |
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String finalURL = response.encodeRedirectURL(_location); |
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try
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{ |
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response.sendRedirect(finalURL); |
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} |
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catch (IOException ex)
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{ |
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throw new ApplicationRuntimeException(Tapestry.format( |
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"AbstractEngine.unable-to-redirect",
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_location), ex); |
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} |
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} |
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} |
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