/**
* Copyright (c) 2000-2005 Liferay, LLC. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package com.liferay.util.xml;
import java.util.Comparator;
import java.util.List;
import com.dotcms.repackage.org.dom4j.Attribute;
import com.dotcms.repackage.org.dom4j.Element;
/**
* <a href="ElementComparator.java.html"><b><i>View Source</i></b></a>
*
* @author Brian Wing Shun Chan
* @version $Revision: 1.9 $
*
*/
public class ElementComparator implements Comparator {
public int compare(Object obj1, Object obj2) {
Element el1 = (Element)obj1;
Element el2 = (Element)obj2;
String el1Name = el1.getName();
String el2Name = el2.getName();
if (!el1Name.equals(el2Name)) {
return el1Name.compareTo(el2Name);
}
String el1Text = el1.getTextTrim();
String el2Text = el2.getTextTrim();
if (!el1Text.equals(el2Text)) {
return el1Text.compareTo(el2Text);
}
List el1Attrs = el1.attributes();
List el2Attrs = el2.attributes();
if (el1Attrs.size() < el2Attrs.size()) {
return -1;
}
else if (el1Attrs.size() > el2Attrs.size()) {
return 1;
}
for (int i = 0; i < el1Attrs.size(); i++) {
Attribute attr = (Attribute)el1Attrs.get(i);
int value = _compare(el2Attrs, attr, new AttributeComparator());
if (value != 0) {
return value;
}
}
List el1Elements = el1.elements();
List el2Elements = el2.elements();
if (el1Elements.size() < el2Elements.size()) {
return -1;
}
else if (el1Elements.size() > el2Elements.size()) {
return 1;
}
for (int i = 0; i < el1Elements.size(); i++) {
Element el = (Element)el1Elements.get(i);
int value = _compare(el2Elements, el, new ElementComparator());
if (value != 0) {
return value;
}
}
return 0;
}
public boolean shouldJoinChildren(Element element) {
return false;
}
private int _compare(List list, Object obj, Comparator comparator) {
int firstValue = -1;
for (int i = 0; i < list.size(); i++) {
Object o = list.get(i);
int value = comparator.compare(obj, o);
if (i == 0) {
firstValue = value;
}
if (value == 0) {
return 0;
}
}
return firstValue;
}
}