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: 77   Methods: 3
NCLOC: 38   Classes: 1
 
 Source file Conditionals Statements Methods TOTAL
ExtensionLookupFactory.java 100% 100% 100% 100%
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.services.impl;
 16   
 17    import org.apache.hivemind.ApplicationRuntimeException;
 18    import org.apache.hivemind.ServiceImplementationFactory;
 19    import org.apache.hivemind.ServiceImplementationFactoryParameters;
 20    import org.apache.hivemind.lib.DefaultImplementationBuilder;
 21    import org.apache.tapestry.spec.IApplicationSpecification;
 22   
 23    /**
 24    * An implementation of {@link org.apache.hivemind.ServiceImplementationFactory}that looks for a
 25    * service implementation provided as an
 26    * {@link org.apache.tapestry.spec.ILibrarySpecification#getExtension(String) application
 27    * extension}. If no such extension exists, then a
 28    * {@link org.apache.hivemind.lib.DefaultImplementationBuilder default implementation}is
 29    * constructed and returned instead. This allows compatibility with Tapestry 3.0 and earlier
 30    * application extensions (though those will be phased out in the future).
 31    *
 32    * @author Howard Lewis Ship
 33    * @since 4.0
 34    */
 35    public class ExtensionLookupFactory implements ServiceImplementationFactory
 36    {
 37    private IApplicationSpecification _specification;
 38   
 39    private DefaultImplementationBuilder _defaultBuilder;
 40   
 41  85 public Object createCoreServiceImplementation(
 42    ServiceImplementationFactoryParameters factorParameters)
 43    {
 44  85 ExtensionLookupParameter p = (ExtensionLookupParameter) factorParameters.getParameters()
 45    .get(0);
 46   
 47  85 String extensionName = p.getExtensionName();
 48   
 49  85 Class serviceInterface = factorParameters.getServiceInterface();
 50   
 51  85 try
 52    {
 53  85 if (_specification.checkExtension(extensionName))
 54  1 return _specification.getExtension(extensionName, serviceInterface);
 55   
 56  83 if (p.getDefault() != null)
 57  41 return p.getDefault();
 58   
 59  42 return _defaultBuilder.buildDefaultImplementation(serviceInterface);
 60    }
 61    catch (Exception ex)
 62    {
 63  1 throw new ApplicationRuntimeException(ex.getMessage(), p.getLocation(), ex);
 64    }
 65    }
 66   
 67  41 public void setDefaultBuilder(DefaultImplementationBuilder builder)
 68    {
 69  41 _defaultBuilder = builder;
 70    }
 71   
 72  43 public void setSpecification(IApplicationSpecification specification)
 73    {
 74  43 _specification = specification;
 75    }
 76   
 77    }