70 lines
1.9 KiB
Java
70 lines
1.9 KiB
Java
/*
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* Copyright 2000-2004 The Apache Software Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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package org.apache.bcel.util;
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import java.util.Collection;
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import java.util.HashMap;
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import java.util.Map;
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import org.apache.bcel.classfile.JavaClass;
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/**
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* Utility class implementing a (typesafe) set of JavaClass objects.
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* Since JavaClass has no equals() method, the name of the class is
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* used for comparison.
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*
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* @version $Id: ClassSet.java 386056 2006-03-15 11:31:56Z tcurdt $
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* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
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* @see ClassStack
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*/
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public class ClassSet implements java.io.Serializable {
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private Map _map = new HashMap();
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public boolean add( JavaClass clazz ) {
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boolean result = false;
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if (!_map.containsKey(clazz.getClassName())) {
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result = true;
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_map.put(clazz.getClassName(), clazz);
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}
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return result;
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}
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public void remove( JavaClass clazz ) {
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_map.remove(clazz.getClassName());
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}
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public boolean empty() {
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return _map.isEmpty();
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}
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public JavaClass[] toArray() {
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Collection values = _map.values();
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JavaClass[] classes = new JavaClass[values.size()];
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values.toArray(classes);
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return classes;
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}
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public String[] getClassNames() {
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return (String[]) _map.keySet().toArray(new String[_map.keySet().size()]);
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}
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}
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