001    /**
002     Licensed to the Apache Software Foundation (ASF) under one or more
003     contributor license agreements.  See the NOTICE file distributed with
004     this work for additional information regarding copyright ownership.
005     The ASF licenses this file to You under the Apache License, Version 2.0
006     (the "License"); you may not use this file except in compliance with
007     the License.  You may obtain a copy of the License at
008    
009          http://www.apache.org/licenses/LICENSE-2.0
010    
011     Unless required by applicable law or agreed to in writing, software
012     distributed under the License is distributed on an "AS IS" BASIS,
013     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     See the License for the specific language governing permissions and
015     limitations under the License.
016    */
017    package org.apache.commons.inject.impl.bind;
018    
019    import org.apache.commons.inject.api.IBinding;
020    import org.apache.commons.inject.api.IInjector;
021    import org.apache.commons.inject.api.IPoint;
022    import org.apache.commons.inject.api.IProvider;
023    import org.apache.commons.inject.impl.IInjectorAware;
024    
025    /**
026     * Default implementation of {@link IBinding}; basically a simple
027     * wrapper for instances of {@link IProvider}, and {@link IPoint}.
028     */
029    public class DefaultBinding<T> implements IBinding<T>, IInjectorAware {
030            private final IProvider<T> provider;
031            private final IPoint<T> point;
032            
033            public DefaultBinding(IProvider<T> pProvider, IPoint<T> pPoint) {
034                    super();
035                    provider = pProvider;
036                    point = pPoint;
037            }
038    
039            @Override
040            public IProvider<T> getProvider() {
041                    return provider;
042            }
043    
044            @Override
045            public IPoint<T> getPoint() {
046                    return point;
047            }
048    
049            @Override
050            public void init(IInjector pInjector) {
051                    if (provider instanceof IInjectorAware) {
052                            ((IInjectorAware) provider).init(pInjector);
053                    }
054                    if (point instanceof IInjectorAware) {
055                            ((IInjectorAware) point).init(pInjector);
056                    }
057            }
058    
059    }