| /******************************************************************************* |
| * Copyright (c) 2002, 2003 Object Factory Inc. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * Object Factory Inc. - Initial implementation |
| *******************************************************************************/ |
| package org.eclipse.ant.internal.ui.dtd.util; |
| |
| import java.util.Comparator; |
| |
| /** |
| * Can be inherited or used statically. |
| * @author Bob Foster |
| */ |
| public class SortedMapFactory { |
| private static class StringComparator implements Comparator { |
| /** |
| * @see java.util.Comparator#compare(Object, Object) |
| */ |
| public int compare(Object o1, Object o2) { |
| return ((String)o1).compareTo(o2); |
| } |
| } |
| private static class IndirectStringComparator implements Comparator { |
| /** |
| * @see java.util.Comparator#compare(Object, Object) |
| */ |
| public int compare(Object o1, Object o2) { |
| return o1.toString().compareTo(o2.toString()); |
| } |
| } |
| private static final StringComparator fStringComp = new StringComparator(); |
| private static final IndirectStringComparator fIndirectStringComp = new IndirectStringComparator(); |
| private static final Factory fFactory = new Factory(); |
| |
| public static SortedMap getMap(IMapHolder holder, Comparator comp) { |
| SortedMap map = (SortedMap) fFactory.getFree(); |
| if (map == null) |
| map = new SortedMap(); |
| map.setMapHolder(holder); |
| map.setComparator(comp); |
| return map; |
| } |
| |
| public static SortedMap getStringMap(IMapHolder holder) { |
| return getMap(holder, fStringComp); |
| } |
| |
| public static SortedMap getIndirectStringMap(IMapHolder holder) { |
| return getMap(holder, fIndirectStringComp); |
| } |
| |
| public static SortedMap getCaseInsensitiveStringMap(IMapHolder holder) { |
| return getMap(holder, String.CASE_INSENSITIVE_ORDER); |
| } |
| |
| public static void freeMap(SortedMap map) { |
| map.setComparator(null); |
| map.setMapHolder(null); |
| fFactory.setFree(map); |
| } |
| } |