Clover coverage report - Code Coverage for tapestry release 4.0-rc-2
Coverage timestamp: Sat Dec 17 2005 09:39:46 PST
file stats: LOC: 125   Methods: 8
NCLOC: 68   Classes: 1
 
 Source file Conditionals Statements Methods TOTAL
RestartService.java 75% 94.1% 100% 93.1%
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 LinkFactory _linkFactory;
 54   
 55    /** @since 4.0 */
 56    private String _servletPath;
 57   
 58  23 public ILink getLink(boolean post, Object parameter)
 59    {
 60  23 if (parameter != null)
 61  0 throw new IllegalArgumentException(EngineMessages.serviceNoParameter(this));
 62   
 63  23 Map parameters = new HashMap();
 64   
 65  23 return _linkFactory.constructLink(this, post, parameters, true);
 66    }
 67   
 68  3 public void service(IRequestCycle cycle) throws IOException
 69    {
 70  3 HttpSession session = _request.getSession(false);
 71   
 72  3 if (session != null)
 73    {
 74  2 try
 75    {
 76  2 session.invalidate();
 77    }
 78    catch (IllegalStateException ex)
 79    {
 80  1 _log.warn("Exception thrown invalidating HttpSession.", ex);
 81   
 82    // Otherwise, ignore it.
 83    }
 84    }
 85   
 86  3 String url = cycle.getAbsoluteURL(_servletPath);
 87   
 88  3 _response.sendRedirect(url);
 89    }
 90   
 91  39 public String getName()
 92    {
 93  39 return Tapestry.RESTART_SERVICE;
 94    }
 95   
 96    /** @since 4.0 */
 97  17 public void setLog(Log log)
 98    {
 99  17 _log = log;
 100    }
 101   
 102    /** @since 4.0 */
 103  19 public void setRequest(HttpServletRequest request)
 104    {
 105  19 _request = request;
 106    }
 107   
 108    /** @since 4.0 */
 109  19 public void setResponse(HttpServletResponse response)
 110    {
 111  19 _response = response;
 112    }
 113   
 114    /** @since 4.0 */
 115  16 public void setLinkFactory(LinkFactory linkFactory)
 116    {
 117  16 _linkFactory = linkFactory;
 118    }
 119   
 120    /** @since 4.0 */
 121  19 public void setServletPath(String servletPath)
 122    {
 123  19 _servletPath = servletPath;
 124    }
 125    }