| /* |
| * 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.Collection; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| 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. |
| * |
| * @see ClassStack |
| */ |
| public class ClassSet { |
| |
| private final Map<String, JavaClass> map = new HashMap<>(); |
| |
| |
| public boolean add( final JavaClass clazz ) { |
| boolean result = false; |
| if (!map.containsKey(clazz.getClassName())) { |
| result = true; |
| map.put(clazz.getClassName(), clazz); |
| } |
| return result; |
| } |
| |
| |
| public void remove( final JavaClass clazz ) { |
| map.remove(clazz.getClassName()); |
| } |
| |
| |
| public boolean empty() { |
| return map.isEmpty(); |
| } |
| |
| |
| public JavaClass[] toArray() { |
| final Collection<JavaClass> values = map.values(); |
| final JavaClass[] classes = new JavaClass[values.size()]; |
| values.toArray(classes); |
| return classes; |
| } |
| |
| |
| public String[] getClassNames() { |
| return map.keySet().toArray(new String[map.size()]); |
| } |
| } |