001    // Copyright 2004, 2005 The Apache Software Foundation
002    //
003    // Licensed under the Apache License, Version 2.0 (the "License");
004    // you may not use this file except in compliance with the License.
005    // You may obtain a copy of the License at
006    //
007    //     http://www.apache.org/licenses/LICENSE-2.0
008    //
009    // Unless required by applicable law or agreed to in writing, software
010    // distributed under the License is distributed on an "AS IS" BASIS,
011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012    // See the License for the specific language governing permissions and
013    // limitations under the License.
014    
015    package org.apache.hivemind.service.impl;
016    
017    import org.apache.hivemind.ErrorLog;
018    import org.apache.hivemind.ServiceImplementationFactoryParameters;
019    
020    /**
021     * Exposes the service's {@link org.apache.hivemind.internal.ExtensionPoint#getErrorLog() error log}
022     * as a constructor parameter or a property.
023     * 
024     * @author Howard M. Lewis Ship
025     * @since 1.1
026     */
027    public class BuilderErrorLogFacet extends BuilderFacet
028    {
029    
030        public Object getFacetValue(ServiceImplementationFactoryParameters factoryParameters,
031                Class targetType)
032        {
033            return factoryParameters.getErrorLog();
034        }
035    
036        public boolean isAssignableToType(ServiceImplementationFactoryParameters factoryParameters,
037                Class targetType)
038        {
039            return targetType == ErrorLog.class;
040        }
041    
042        protected String getDefaultPropertyName()
043        {
044            return "errorLog";
045        }
046    
047        /** @since 1.1 */
048        public boolean canAutowireConstructorParameter()
049        {
050            return true;
051        }
052    }