| /* |
| * 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 org.openide.util.enum; |
| |
| import java.util.Collection; |
| import java.util.Enumeration; |
| import java.util.HashMap; |
| import java.util.Iterator; |
| import java.util.Map; |
| import java.util.Set; |
| import org.openide.util.EnumerationsTest; |
| import org.openide.util.EnumerationsTest.QueueProcess; |
| |
| /** Implement factory methods from EnumerationsTest, shares the same tests |
| * with EnumerationsTest. |
| * |
| * @author Jaroslav Tulach |
| */ |
| public class OldEnumerationsTest extends EnumerationsTest { |
| |
| /** Creates a new instance of EnumerationsTest */ |
| public OldEnumerationsTest(String testName) { |
| super(testName); |
| } |
| |
| protected Enumeration singleton(Object obj) { |
| return new SingletonEnumeration(obj); |
| } |
| |
| protected Enumeration convert(Enumeration en, final Map map) { |
| return new AlterEnumeration(en) { |
| protected Object alter(Object o) { |
| return map.get(o); |
| } |
| }; |
| } |
| |
| protected Enumeration removeDuplicates(Enumeration en) { |
| return new RemoveDuplicatesEnumeration(en); |
| } |
| |
| protected Enumeration removeNulls(Enumeration en) { |
| return new FilterEnumeration(en); |
| } |
| |
| protected Enumeration concat(Enumeration en1, Enumeration en2) { |
| return new SequenceEnumeration(en1, en2); |
| } |
| |
| protected Enumeration array(Object[] arr) { |
| return new ArrayEnumeration(arr); |
| } |
| |
| protected Enumeration filter(Enumeration en, final Set filter) { |
| return new FilterEnumeration(en) { |
| protected boolean accept(Object obj) { |
| return filter.contains(obj); |
| } |
| }; |
| } |
| protected Enumeration filter(Enumeration en, final QueueProcess filter) { |
| en = new AlterEnumeration(en) { |
| public Object alter(Object alter) { |
| return filter.process(alter, null); |
| } |
| }; |
| |
| return new FilterEnumeration(en); |
| } |
| |
| protected Enumeration concat(Enumeration enumOfEnums) { |
| return new SequenceEnumeration(enumOfEnums); |
| } |
| |
| protected Enumeration empty() { |
| return new EmptyEnumeration(); |
| } |
| |
| protected Enumeration queue(Collection init, final QueueProcess process) { |
| final HashMap diff = new HashMap(); |
| |
| class QEAdd extends QueueEnumeration implements Collection { |
| protected void process(Object obj) { |
| Object different = process.process(obj, this); |
| if (different != obj) { |
| diff.put(obj, different); |
| } |
| } |
| |
| public boolean add(Object o) { |
| put(o); |
| return true; |
| } |
| |
| public boolean addAll(Collection c) { |
| put(c.toArray()); |
| return true; |
| } |
| |
| public void clear() { |
| throw new IllegalStateException("Unsupported"); |
| } |
| |
| public boolean contains(Object o) { |
| throw new IllegalStateException("Unsupported"); |
| } |
| |
| public boolean containsAll(Collection c) { |
| throw new IllegalStateException("Unsupported"); |
| } |
| |
| public boolean isEmpty() { |
| throw new IllegalStateException("Unsupported"); |
| } |
| |
| public Iterator iterator() { |
| throw new IllegalStateException("Unsupported"); |
| } |
| |
| public boolean remove(Object o) { |
| throw new IllegalStateException("Unsupported"); |
| } |
| |
| public boolean removeAll(Collection c) { |
| throw new IllegalStateException("Unsupported"); |
| } |
| |
| public boolean retainAll(Collection c) { |
| throw new IllegalStateException("Unsupported"); |
| } |
| |
| public int size() { |
| throw new IllegalStateException("Unsupported"); |
| } |
| |
| public Object[] toArray() { |
| throw new IllegalStateException("Unsupported"); |
| } |
| |
| public Object[] toArray(Object[] a) { |
| throw new IllegalStateException("Unsupported"); |
| } |
| } |
| QEAdd qe = new QEAdd(); |
| qe.put(init.toArray()); |
| |
| class Change extends AlterEnumeration { |
| public Change(Enumeration en) { |
| super(en); |
| } |
| |
| public Object alter(Object o) { |
| if (diff.keySet().contains(o)) { |
| return diff.remove(o); |
| } |
| return o; |
| } |
| } |
| |
| return new Change(qe); |
| } |
| |
| } |