001    /*
002     * Copyright 2010 The Apache Software Foundation.
003     * 
004     * Licensed under the Apache License, Version 2.0 (the "License");
005     * you may not use this file except in compliance with the License.
006     * You may obtain a copy of the License at
007     * 
008     *      http://www.apache.org/licenses/LICENSE-2.0
009     * 
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS,
012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     * See the License for the specific language governing permissions and
014     * limitations under the License.
015     */
016    package org.vafer.jdependency.asm;
017    
018    import java.util.HashSet;
019    import java.util.Set;
020    
021    import org.objectweb.asm.commons.EmptyVisitor;
022    import org.objectweb.asm.commons.Remapper;
023    import org.objectweb.asm.commons.RemappingClassAdapter;
024    
025    public final class DependenciesClassAdapter extends RemappingClassAdapter {
026    
027        final Set classes = new HashSet();
028    
029        public DependenciesClassAdapter() {
030            super(new EmptyVisitor(), new CollectingRemapper());
031        }
032        
033        public Set getDependencies() {
034            return ((CollectingRemapper) super.remapper).classes;
035        }
036    
037        private static class CollectingRemapper extends Remapper {
038    
039            final Set classes = new HashSet();
040    
041            public String map(String pClassName) {
042                classes.add(pClassName.replace('/', '.'));
043                return pClassName;
044            }       
045        }   
046    }