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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 Also:
Version:$Id: ClassSet.java 1749603 2016-06-21 20:50:19Z ggregory $
/** * Utility class implementing a (typesafe) set of JavaClass objects. * Since JavaClass has no equals() method, the name of the class is * used for comparison. * * @version $Id: ClassSet.java 1749603 2016-06-21 20:50:19Z ggregory $ * @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()]); } }