| /* |
| * reserved comment block |
| * DO NOT REMOVE OR ALTER! |
| */ |
| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.sun.org.apache.bcel.internal.util; |
| |
| import java.util.HashMap; |
| import java.util.Collection; |
| import com.sun.org.apache.bcel.internal.classfile.JavaClass; |
| |
| /** |
| * Utility class implementing a (typesafe) set of JavaClass objects. |
| * Since JavaClass has no equals() method, the name of the class is |
| * used for comparison. |
| * |
| * @author <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A> |
| * @see ClassStack |
| */ |
| public class ClassSet implements java.io.Serializable { |
| private HashMap _map = new HashMap(); |
| |
| public boolean add(JavaClass clazz) { |
| boolean result = false; |
| |
| if(!_map.containsKey(clazz.getClassName())) { |
| result = true; |
| _map.put(clazz.getClassName(), clazz); |
| } |
| |
| return result; |
| } |
| |
| public void remove(JavaClass clazz) { _map.remove(clazz.getClassName()); } |
| public boolean empty() { return _map.isEmpty(); } |
| |
| public JavaClass[] toArray() { |
| Collection values = _map.values(); |
| JavaClass[] classes = new JavaClass[values.size()]; |
| values.toArray(classes); |
| return classes; |
| } |
| |
| public String[] getClassNames() { |
| return (String[])_map.keySet().toArray(new String[_map.keySet().size()]); |
| } |
| } |