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package org.eclipse.jst.server.tomcat.core.internal.xml;
/**********************************************************************
* Copyright (c) 2003 IBM Corporation and others.
* 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:
* IBM - Initial API and implementation
**********************************************************************/
import java.io.Serializable;
import org.w3c.dom.*;
/**
* An XML element.
*/
public class XMLElement implements Serializable {
private static final long serialVersionUID = 1L;
private Element xmlElement;
protected Factory factory;
public XMLElement() { }
public Attr addAttribute(String s, String s1) {
Attr attr = factory.createAttribute(s, xmlElement);
attr.setValue(s1);
return attr;
}
public XMLElement createElement(int index, String s) {
return factory.createElement(index, s, xmlElement);
}
public XMLElement createElement(String s) {
return factory.createElement(s, xmlElement);
}
public void createEmptyBody() {
}
public XMLElement findElement(String s) {
NodeList nodelist = xmlElement.getElementsByTagName(s);
int i = nodelist == null ? 0 : nodelist.getLength();
for (int j = 0; j < i; j++) {
Node node = nodelist.item(j);
String s1 = node.getNodeName().trim();
if (s1.equals(s))
return factory.newInstance((Element) node);
}
return createElement(s);
}
public XMLElement findElement(String s, int i) {
NodeList nodelist = xmlElement.getElementsByTagName(s);
int j = nodelist == null ? 0 : nodelist.getLength();
for (int k = 0; k < j; k++) {
Node node = nodelist.item(k);
String s1 = node.getNodeName().trim();
if (s1.equals(s) && k == i)
return factory.newInstance((Element) node);
}
return createElement(s);
}
public String getAttributeValue(String s) {
Attr attr = xmlElement.getAttributeNode(s);
if (attr != null)
return attr.getValue();
return null;
}
public String getElementName() {
return xmlElement.getNodeName();
}
public String getElementValue() {
return getElementValue(xmlElement);
}
protected static String getElementValue(Element element) {
String s = element.getNodeValue();
if (s != null)
return s;
NodeList nodelist = element.getChildNodes();
for (int i = 0; i < nodelist.getLength(); i++)
if (nodelist.item(i) instanceof Text)
return ((Text) nodelist.item(i)).getData();
return null;
}
public Element getSubElement(String s) {
NodeList nodelist = xmlElement.getElementsByTagName(s);
int i = nodelist == null ? 0 : nodelist.getLength();
for (int j = 0; j < i; j++) {
Node node = nodelist.item(j);
String s1 = node.getNodeName().trim();
if (s1.equals(s))
return (Element) node;
}
return null;
}
public String getSubElementValue(String s) {
Element element = getSubElement(s);
if (element == null)
return null;
String value = getElementValue(element);
if (value == null)
return null;
return value.trim();
}
public boolean removeAttribute(String s) {
try {
xmlElement.removeAttribute(s);
return true;
} catch (Exception ex) {
return false;
}
}
public boolean removeElement(String s, int i) {
NodeList nodelist = xmlElement.getElementsByTagName(s);
int j = nodelist == null ? 0 : nodelist.getLength();
for (int k = 0; k < j; k++) {
Node node = nodelist.item(k);
String s1 = node.getNodeName().trim();
if (s1.equals(s) && k == i) {
xmlElement.removeChild(node);
return true;
}
}
return false;
}
public void setAttributeValue(String s, String s1) {
Attr attr = xmlElement.getAttributeNode(s);
if (attr == null)
attr = addAttribute(s, s1);
else
attr.setValue(s1);
}
void setElement(Element element) {
xmlElement = element;
}
protected static void setElementValue(Element element, String value) {
String s = element.getNodeValue();
if (s != null) {
element.setNodeValue(value);
return;
}
NodeList nodelist = element.getChildNodes();
for (int i = 0; i < nodelist.getLength(); i++)
if (nodelist.item(i) instanceof Text) {
Text text = (Text) nodelist.item(i);
text.setData(value);
return;
}
return;
}
void setFactory(Factory factory1) {
factory = factory1;
}
public void setSubElementValue(String s, String value) {
Element element = getSubElement(s);
if (element == null) {
element = factory.document.createElement(s);
element.appendChild(factory.document.createTextNode("temp"));
xmlElement.appendChild(element);
}
setElementValue(element, value);
}
public int sizeOfElement(String s) {
NodeList nodelist = xmlElement.getElementsByTagName(s);
int i = nodelist == null ? 0 : nodelist.getLength();
return i;
}
public void updateElementValue(String s) {
try {
xmlElement.setNodeValue(s);
} catch (DOMException ex) {
NodeList nodelist = xmlElement.getChildNodes();
int i = nodelist == null ? 0 : nodelist.getLength();
if (i > 0) {
for (int j = 0; j < i; j++)
if (nodelist.item(j) instanceof Text) {
((Text) nodelist.item(j)).setData(s);
return;
}
} else {
xmlElement.appendChild(factory.document.createTextNode(s));
}
}
}
}
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