Clover coverage report - Code Coverage for tapestry release 4.0.1
Coverage timestamp: Fri Mar 31 2006 09:12:14 EST
file stats: LOC: 69   Methods: 3
NCLOC: 35   Classes: 1
 
 Source file Conditionals Statements Methods TOTAL
StateBinding.java 50% 100% 100% 93.3%
coverage 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.binding;
 16   
 17    import org.apache.hivemind.ApplicationRuntimeException;
 18    import org.apache.hivemind.Location;
 19    import org.apache.hivemind.util.Defense;
 20    import org.apache.tapestry.coerce.ValueConverter;
 21    import org.apache.tapestry.engine.state.ApplicationStateManager;
 22   
 23    /**
 24    * Binding used to efficiently query whether an application state object (visit, global and friends)
 25    * exists without actually creating it (or creating a session).
 26    *
 27    * @author Howard M. Lewis Ship
 28    * @since 4.0
 29    */
 30    public class StateBinding extends AbstractBinding
 31    {
 32    private final ApplicationStateManager _applicationStateManager;
 33   
 34    private final String _objectName;
 35   
 36  4 public StateBinding(String description, ValueConverter valueConverter, Location location,
 37    ApplicationStateManager applicationStateManager, String objectName)
 38    {
 39  4 super(description, valueConverter, location);
 40   
 41  4 Defense.notNull(applicationStateManager, "applicationStateManager");
 42  4 Defense.notNull(objectName, "objectName");
 43   
 44  4 _applicationStateManager = applicationStateManager;
 45  4 _objectName = objectName;
 46    }
 47   
 48    /**
 49    * Returns false; these ASO objects can be created at any time.
 50    */
 51  2 public boolean isInvariant()
 52    {
 53  2 return false;
 54    }
 55   
 56  4 public Object getObject()
 57    {
 58  4 try
 59    {
 60  4 boolean exists = _applicationStateManager.exists(_objectName);
 61   
 62  2 return exists ? Boolean.TRUE : Boolean.FALSE;
 63    }
 64    catch (Exception ex)
 65    {
 66  2 throw new ApplicationRuntimeException(ex.getMessage(), getLocation(), ex);
 67    }
 68    }
 69    }