Seem to have consensus on removing this for now
git-svn-id: https://svn.apache.org/repos/asf/jakarta/commons/proper/collections/trunk@130617 13f79535-47bb-0310-9956-ffa450edef68
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Morgan James Delagrange
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package org.apache.commons.collections.comparators;
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/* ====================================================================
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* The Apache Software License, Version 1.1
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*
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* Copyright (c) 2001 The Apache Software Foundation. All rights
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* reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. The end-user documentation included with the redistribution,
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* if any, must include the following acknowledgment:
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* "This product includes software developed by the
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* Apache Software Foundation (http://www.apache.org/)."
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* Alternately, this acknowledgment may appear in the software itself,
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* if and wherever such third-party acknowledgments normally appear.
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*
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* 4. The names "Apache" and "Apache Software Foundation" and
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* "Apache Commons" must not be used to endorse or promote products
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* derived from this software without prior written permission. For
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* written permission, please contact apache@apache.org.
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*
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* 5. Products derived from this software may not be called "Apache",
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* "Apache Turbine", nor may "Apache" appear in their name, without
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* prior written permission of the Apache Software Foundation.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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* ====================================================================
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*
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* This software consists of voluntary contributions made by many
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* individuals on behalf of the Apache Software Foundation. For more
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* information on the Apache Software Foundation, please see
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* <http://www.apache.org/>.
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*/
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import java.util.Comparator;
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/**
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* Sorts java package names.
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* Packages are grouped into java, javax, and other.
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* Inside each one they are alphabetical.
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*
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* @author bayard@generationjava.com
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* @version $Id: PackageNameComparator.java,v 1.1 2002/02/26 22:42:31 morgand Exp $
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*/
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public class PackageNameComparator implements Comparator {
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static private int JAVA = 1;
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static private int JAVAX = 2;
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static private int OTHER = 3;
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public int compare(Object obj1, Object obj2) {
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if( (obj1 instanceof String) && (obj2 instanceof String) ) {
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String str1 = (String)obj1;
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String str2 = (String)obj2;
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int type1 = getType(str1);
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int type2 = getType(str2);
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if(type1 == JAVA) {
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if(type2 == JAVA) {
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str1 = str1.substring(4);
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str2 = str2.substring(4);
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} else {
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return -1;
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}
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} else
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if(type2 == JAVA) {
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return 1;
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} else
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if(type1 == JAVAX) {
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if(type2 == JAVAX) {
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str1 = str1.substring(5);
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str2 = str2.substring(5);
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} else {
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return -1;
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}
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} else
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if(type2 == JAVAX) {
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return 1;
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}
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return str1.compareTo(str2);
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} else {
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return 0;
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}
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}
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private static int getType(String str) {
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if(str.startsWith("java")) {
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if(str.charAt(4) == '.') {
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return JAVA;
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} else
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if( (str.charAt(4) == 'x') && (str.charAt(5) == '.') ) {
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return JAVAX;
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}
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}
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return OTHER;
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}
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}
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