Clover coverage report - Code Coverage for tapestry release 4.0-beta-6
Coverage timestamp: Wed Sep 7 2005 18:41:34 EDT
file stats: LOC: 93   Methods: 7
NCLOC: 48   Classes: 1
 
 Source file Conditionals Statements Methods TOTAL
SessionScopeManager.java 100% 100% 100% 100%
coverage
 1    // Copyright 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.state;
 16   
 17    import org.apache.tapestry.web.WebRequest;
 18    import org.apache.tapestry.web.WebSession;
 19   
 20    /**
 21    * Manager for the 'session' scope; state objects are stored as HttpSession attributes. The
 22    * HttpSession is created as necessary.
 23    *
 24    * @author Howard M. Lewis Ship
 25    * @since 4.0
 26    */
 27    public class SessionScopeManager implements StateObjectPersistenceManager
 28    {
 29    private WebRequest _request;
 30   
 31    private String _applicationId;
 32   
 33  8 private String buildKey(String objectName)
 34    {
 35    // For Portlets, the application id is going to be somewhat redundant, since
 36    // the Portlet API keeps portlets seperate anyway.
 37   
 38  8 return "state:" + _applicationId + ":" + objectName;
 39    }
 40   
 41    /**
 42    * Returns the session for the current request, creating it if necessary.
 43    */
 44   
 45  6 private WebSession getSession()
 46    {
 47  6 return _request.getSession(true);
 48    }
 49   
 50  3 public boolean exists(String objectName)
 51    {
 52  3 WebSession session = _request.getSession(false);
 53   
 54  3 if (session == null)
 55  1 return false;
 56   
 57  2 return session.getAttribute(buildKey(objectName)) != null;
 58    }
 59   
 60  4 public Object get(String objectName, StateObjectFactory factory)
 61    {
 62  4 String key = buildKey(objectName);
 63  4 WebSession session = getSession();
 64   
 65  4 Object result = session.getAttribute(key);
 66  4 if (result == null)
 67    {
 68  3 result = factory.createStateObject();
 69  2 session.setAttribute(key, result);
 70    }
 71   
 72  3 return result;
 73    }
 74   
 75  2 public void store(String objectName, Object stateObject)
 76    {
 77  2 String key = buildKey(objectName);
 78   
 79  2 WebSession session = getSession();
 80   
 81  2 session.setAttribute(key, stateObject);
 82    }
 83   
 84  7 public void setApplicationId(String applicationName)
 85    {
 86  7 _applicationId = applicationName;
 87    }
 88   
 89  8 public void setRequest(WebRequest request)
 90    {
 91  8 _request = request;
 92    }
 93    }