Clover coverage report - Code Coverage for tapestry release 4.0-beta-10
Coverage timestamp: Sat Oct 8 2005 19:08:05 EDT
file stats: LOC: 136   Methods: 9
NCLOC: 74   Classes: 1
 
 Source file Conditionals Statements Methods TOTAL
RestartService.java 75% 94.7% 100% 93.8%
coverage coverage
 1    // Copyright 2004, 2005 The Apache Software Foundation
 2    //
 3    // Licensed under the Apache License, Version 2.0 (the "License");
 4    // you may not use this file except in compliance with the License.
 5    // You may obtain a copy of the License at
 6    //
 7    // http://www.apache.org/licenses/LICENSE-2.0
 8    //
 9    // Unless required by applicable law or agreed to in writing, software
 10    // distributed under the License is distributed on an "AS IS" BASIS,
 11    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 12    // See the License for the specific language governing permissions and
 13    // limitations under the License.
 14   
 15    package org.apache.tapestry.engine;
 16   
 17    import java.io.IOException;
 18    import java.util.HashMap;
 19    import java.util.Map;
 20   
 21    import javax.servlet.http.HttpServletRequest;
 22    import javax.servlet.http.HttpServletResponse;
 23    import javax.servlet.http.HttpSession;
 24   
 25    import org.apache.commons.logging.Log;
 26    import org.apache.tapestry.IRequestCycle;
 27    import org.apache.tapestry.Tapestry;
 28    import org.apache.tapestry.services.AbsoluteURLBuilder;
 29    import org.apache.tapestry.services.LinkFactory;
 30    import org.apache.tapestry.services.ServiceConstants;
 31   
 32    /**
 33    * Restarts the Tapestry application. This is normally reserved for dealing with catastrophic
 34    * failures of the application. Discards the {@link javax.servlet.http.HttpSession}, if any, and
 35    * redirects to the Tapestry application servlet URL (invoking the {@link HomeService}).
 36    *
 37    * @author Howard Lewis Ship
 38    * @since 1.0.9
 39    */
 40   
 41    public class RestartService implements IEngineService
 42    {
 43    /** @since 4.0 */
 44    private Log _log;
 45   
 46    /** @since 4.0 */
 47    private HttpServletRequest _request;
 48   
 49    /** @since 4.0 */
 50    private HttpServletResponse _response;
 51   
 52    /** @since 4.0 */
 53    private AbsoluteURLBuilder _builder;
 54   
 55    /** @since 4.0 */
 56    private LinkFactory _linkFactory;
 57   
 58    /** @since 4.0 */
 59    private String _servletPath;
 60   
 61  25 public ILink getLink(IRequestCycle cycle, boolean post, Object parameter)
 62    {
 63  25 if (parameter != null)
 64  0 throw new IllegalArgumentException(EngineMessages.serviceNoParameter(this));
 65   
 66  25 Map parameters = new HashMap();
 67   
 68  25 parameters.put(ServiceConstants.SERVICE, getName());
 69   
 70  25 return _linkFactory.constructLink(cycle, post, parameters, true);
 71    }
 72   
 73  3 public void service(IRequestCycle cycle) throws IOException
 74    {
 75  3 HttpSession session = _request.getSession(false);
 76   
 77  3 if (session != null)
 78    {
 79  2 try
 80    {
 81  2 session.invalidate();
 82    }
 83    catch (IllegalStateException ex)
 84    {
 85  1 _log.warn("Exception thrown invalidating HttpSession.", ex);
 86   
 87    // Otherwise, ignore it.
 88    }
 89    }
 90   
 91  3 String url = _builder.constructURL(cycle.getAbsoluteURL(_servletPath));
 92   
 93  3 _response.sendRedirect(url);
 94    }
 95   
 96  42 public String getName()
 97    {
 98  42 return Tapestry.RESTART_SERVICE;
 99    }
 100   
 101    /** @since 4.0 */
 102  18 public void setLog(Log log)
 103    {
 104  18 _log = log;
 105    }
 106   
 107    /** @since 4.0 */
 108  20 public void setRequest(HttpServletRequest request)
 109    {
 110  20 _request = request;
 111    }
 112   
 113    /** @since 4.0 */
 114  20 public void setBuilder(AbsoluteURLBuilder builder)
 115    {
 116  20 _builder = builder;
 117    }
 118   
 119    /** @since 4.0 */
 120  20 public void setResponse(HttpServletResponse response)
 121    {
 122  20 _response = response;
 123    }
 124   
 125    /** @since 4.0 */
 126  17 public void setLinkFactory(LinkFactory linkFactory)
 127    {
 128  17 _linkFactory = linkFactory;
 129    }
 130   
 131    /** @since 4.0 */
 132  20 public void setServletPath(String servletPath)
 133    {
 134  20 _servletPath = servletPath;
 135    }
 136    }