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* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
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* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
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* enclosed by brackets [] replaced by your own identifying information:
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* elects to include this software in this distribution under the [CDDL or GPL
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* holder.
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*
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* permission notice:
*
* Copyright 2004 The Apache Software Foundation
*
* Licensed 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
*
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// Portions Copyright [2019] Payara Foundation and/or affiliates
package org.apache.catalina.util;
import java.io.IOException;
import java.io.Writer;
/**
* XMLWriter helper class.
*
* @author Remy Maucherat
*/
public class XMLWriter {
// -------------------------------------------------------------- Constants
/**
* Opening tag.
*/
public static final int OPENING = 0;
/**
* Closing tag.
*/
public static final int CLOSING = 1;
/**
* Element with no content.
*/
public static final int NO_CONTENT = 2;
// ----------------------------------------------------- Instance Variables
/**
* Buffer.
*/
protected StringBuilder buffer = new StringBuilder();
/**
* Writer.
*/
protected Writer writer = null;
// ----------------------------------------------------------- Constructors
/**
* Constructor.
*/
public XMLWriter() {
}
/**
* Constructor.
*/
public XMLWriter(Writer writer) {
this.writer = writer;
}
// --------------------------------------------------------- Public Methods
/**
* Retrieve generated XML.
*
* @return String containing the generated XML
*/
@Override
public String toString() {
return buffer.toString();
}
/**
* Write property to the XML.
*
* @param namespace Namespace
* @param namespaceInfo Namespace info
* @param name Property name
* @param value Property value
*/
public void writeProperty(String namespace, String namespaceInfo,
String name, String value) {
writeElement(namespace, namespaceInfo, name, OPENING);
buffer.append(value);
writeElement(namespace, namespaceInfo, name, CLOSING);
}
/**
* Write property to the XML.
*
* @param namespace Namespace
* @param name Property name
* @param value Property value
*/
public void writeProperty(String namespace, String name, String value) {
writeElement(namespace, name, OPENING);
buffer.append(value);
writeElement(namespace, name, CLOSING);
}
/**
* Write property to the XML.
*
* @param namespace Namespace
* @param name Property name
*/
public void writeProperty(String namespace, String name) {
writeElement(namespace, name, NO_CONTENT);
}
/**
* Write an element.
*
* @param name Element name
* @param namespace Namespace abbreviation
* @param type Element type
*/
public void writeElement(String namespace, String name, int type) {
writeElement(namespace, null, name, type);
}
/**
* Write an element.
*
* @param namespace Namespace abbreviation
* @param namespaceInfo Namespace info
* @param name Element name
* @param type Element type
*/
public void writeElement(String namespace, String namespaceInfo,
String name, int type) {
if ((namespace != null) && (namespace.length() > 0)) {
switch (type) {
case OPENING:
if (namespaceInfo != null) {
buffer.append("<").append(namespace).append(":").append(name).append(" xmlns:")
.append(namespace).append("=\"").append(namespaceInfo).append("\">");
} else {
buffer.append("<").append(namespace).append(":").append(name).append(">");
}
break;
case CLOSING:
buffer.append("\n");
break;
case NO_CONTENT:
default:
if (namespaceInfo != null) {
buffer.append("<").append(namespace).append(":").append(name).append(" xmlns:")
.append(namespace).append("=\"").append(namespaceInfo).append("\"/>");
} else {
buffer.append("<").append(namespace).append(":").append(name).append("/>");
}
break;
}
} else {
switch (type) {
case OPENING:
buffer.append("<").append(name).append(">");
break;
case CLOSING:
buffer.append("\n");
break;
case NO_CONTENT:
default:
buffer.append("<").append(name).append("/>");
break;
}
}
}
/**
* Write text.
*
* @param text Text to append
*/
public void writeText(String text) {
buffer.append(text);
}
/**
* Write data.
*
* @param data Data to append
*/
public void writeData(String data) {
buffer.append("");
}
/**
* Write XML Header.
*/
public void writeXMLHeader() {
buffer.append("\n");
}
/**
* Send data and reinitializes buffer.
*/
public void sendData()
throws IOException {
if (writer != null) {
writer.write(buffer.toString());
buffer = new StringBuilder();
}
}
}
