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com.sun.xml.rpc.streaming.XmlTreeWriter Maven / Gradle / Ivy
/*
* Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package com.sun.xml.rpc.streaming;
import java.util.Stack;
import javax.xml.soap.SOAPElement;
import javax.xml.soap.SOAPException;
import javax.xml.soap.SOAPFactory;
import org.w3c.dom.Document;
import com.sun.xml.rpc.sp.NamespaceSupport;
import com.sun.xml.rpc.util.xml.CDATA;
/**
* @author JAX-RPC Development Team
*/
public class XmlTreeWriter extends XMLWriterBase implements XMLWriter {
protected Document document;
protected SOAPElement currentNode;
protected SOAPElement parentNode;
protected PrefixFactory pfactory;
protected NamespaceSupport ns = new NamespaceSupport();
protected Stack elementStack = new Stack();
private static SOAPFactory soapFactory;
public XmlTreeWriter(Document document) {
this.document = document;
}
protected static SOAPFactory getSoapFactory() throws SOAPException {
if (soapFactory == null) {
soapFactory = SOAPFactory.newInstance();
}
return soapFactory;
}
/**
* @see com.sun.xml.rpc.streaming.XMLWriter#startElement(String, String)
*/
public void startElement(String localName, String uri) {
try {
ns.pushContext();
boolean mustDeclarePrefix = false;
String aPrefix = null;
if (!uri.equals("")) {
aPrefix = getKnownPrefix(uri);
if (aPrefix == null) {
mustDeclarePrefix = true;
aPrefix = createPrefix(uri);
}
}
addNewNode(localName, aPrefix, uri);
if (mustDeclarePrefix) {
writeNamespaceDeclaration(aPrefix, uri);
}
elementStack.push(currentNode.getElementName().getLocalName());
} catch (Exception e) {
throw new XmlTreeWriterException(e.getMessage());
}
}
protected String createPrefix(String uri) {
String aPrefix = null;
if (pfactory != null) {
aPrefix = pfactory.getPrefix(uri);
}
if (aPrefix == null) {
throw new XmlTreeWriterException("xmlwriter.noPrefixForURI " + uri);
}
return aPrefix;
}
protected String getKnownPrefix(String uri) {
String aPrefix;
String defaultNamespaceURI = ns.getPrefix("");
if (defaultNamespaceURI != null && uri.equals(defaultNamespaceURI)) {
aPrefix = "";
} else {
aPrefix = ns.getPrefix(uri);
}
return aPrefix;
}
protected SOAPElement addNewNode(
String localName,
String prefix,
String uri)
throws SOAPException {
if (currentNode != null) {
parentNode = currentNode;
currentNode = parentNode.addChildElement(localName, prefix, uri);
} else {
currentNode =
getSoapFactory().createElement(localName, prefix, uri);
currentNode = (SOAPElement) document.importNode(currentNode, true);
document.insertBefore(currentNode, null);
}
return currentNode;
}
/**
* @see com.sun.xml.rpc.streaming.XMLWriter#startElement(String, String,
* String)
*/
public void startElement(String localName, String uri, String prefix) {
try {
ns.pushContext();
if (!uri.equals("")) {
String aPrefix = null;
boolean mustDeclarePrefix = false;
String defaultNamespaceURI = ns.getPrefix("");
if (defaultNamespaceURI != null) {
if (uri.equals(defaultNamespaceURI)) {
aPrefix = "";
}
}
aPrefix = ns.getPrefix(uri);
if (aPrefix == null) {
mustDeclarePrefix = true;
aPrefix = prefix;
if (aPrefix == null) {
throw new XmlTreeWriterException("xmlwriter.noPrefixForURI");
}
}
addNewNode(localName, aPrefix, uri);
if (mustDeclarePrefix) {
writeNamespaceDeclaration(aPrefix, uri);
}
} else {
addNewNode(localName, prefix, uri);
}
elementStack.push(currentNode.getElementName().getLocalName());
} catch (SOAPException se) {
throw new XmlTreeWriterException(se.getMessage());
}
}
/**
* @see com.sun.xml.rpc.streaming.XMLWriter#writeAttribute(String, String,
* String)
*/
public void writeAttribute(String localName, String uri, String value) {
value = quote(value);
writeAttributeUnquoted(localName, uri, value);
}
protected String quote(String value) {
int i;
boolean didReplacement = false;
StringBuffer replacementString = null;
eachCharacter : for (i = 0; i < value.length(); i++) {
switch (value.charAt(i)) {
case '"' :
replacementString = new StringBuffer(value.length() + 20);
replacementString.append(value.substring(0, i));
replacementString.append(""");
didReplacement = true;
break eachCharacter;
case '&' :
replacementString = new StringBuffer(value.length() + 20);
replacementString.append(value.substring(0, i));
replacementString.append("&");
didReplacement = true;
break eachCharacter;
case '<' :
replacementString = new StringBuffer(value.length() + 20);
replacementString.append(value.substring(0, i));
replacementString.append("<");
didReplacement = true;
break eachCharacter;
case '>' :
replacementString = new StringBuffer(value.length() + 20);
replacementString.append(value.substring(0, i));
replacementString.append(">");
didReplacement = true;
break eachCharacter;
}
}
if (didReplacement == false) {
return value;
}
// need to increment counter to avoid quoting same char twice
i++;
for (; i < value.length(); i++) {
char nextCharacter = value.charAt(i);
switch (nextCharacter) {
case '"' :
replacementString.append(""");
break;
case '&' :
replacementString.append("&");
break;
case '<' :
replacementString.append("<");
break;
case '>' :
replacementString.append(">");
break;
default :
replacementString.append(nextCharacter);
}
}
return replacementString.toString();
}
/**
* @see com.sun.xml.rpc.streaming.XMLWriter#writeAttributeUnquoted(String,
* String, String)
*/
public void writeAttributeUnquoted(
String localName,
String uri,
String value) {
try {
if (!uri.equals("")) {
String aPrefix = null;
boolean mustDeclarePrefix = false;
String defaultNamespaceURI = ns.getPrefix("");
if (defaultNamespaceURI != null) {
if (uri.equals(defaultNamespaceURI)) {
aPrefix = "";
}
}
aPrefix = ns.getPrefix(uri);
if (aPrefix == null) {
mustDeclarePrefix = true;
if (pfactory != null) {
aPrefix = pfactory.getPrefix(uri);
}
if (aPrefix == null) {
throw new XmlTreeWriterException(
"No Prefix For URI " + uri);
}
}
currentNode.addAttribute(
getSoapFactory().createName(
localName,
aPrefix,
uri),
value);
if (mustDeclarePrefix) {
writeNamespaceDeclaration(aPrefix, uri);
}
} else {
currentNode.addAttribute(
getSoapFactory().createName(localName),
value);
}
} catch (SOAPException se) {
throw new XmlTreeWriterException(se.getMessage());
}
}
/**
* @see com.sun.xml.rpc.streaming.XMLWriter#writeNamespaceDeclaration(
* String, String)
*/
public void writeNamespaceDeclaration(String prefix, String uri) {
ns.declarePrefix(prefix, uri);
try {
this.currentNode.addNamespaceDeclaration(prefix, uri);
} catch (SOAPException se) {
throw new XmlTreeWriterException(se.getMessage());
}
}
/**
* @see com.sun.xml.rpc.streaming.XMLWriter#writeNamespaceDeclaration(String)
*/
public void writeNamespaceDeclaration(String uri) {
if (pfactory == null) {
throw new XmlTreeWriterException("No Prefix set for the XmlTreeWriter");
}
writeNamespaceDeclaration(pfactory.getPrefix(uri), uri);
}
/**
* @see com.sun.xml.rpc.streaming.XMLWriter#writeChars(String)
*/
public void writeChars(String chars) {
// do not need to quote characters, addTextNode() will do it
//chars = quote(chars);
writeCharsUnquoted(chars);
}
/**
* @see com.sun.xml.rpc.streaming.XMLWriter#writeCharsUnquoted(String)
*/
public void writeCharsUnquoted(String chars) {
try {
this.currentNode.addTextNode(chars);
} catch (SOAPException se) {
throw new XmlTreeWriterException(se.getMessage());
}
}
/**
* unsupport
*/
public void writeCharsUnquoted(char[] buf, int offset, int len) {
writeCharsUnquoted(new String(buf, offset, len));
}
/**
* @see com.sun.xml.rpc.streaming.XMLWriter#endElement()
*/
public void endElement() {
try {
if (elementStack.size() >= 1) {
elementStack.pop();
currentNode = currentNode.getParentElement();
ns.popContext();
} else {
throw new XmlTreeWriterException("All Elements have already closed");
}
} catch (Exception e) {
throw new XmlTreeWriterException(e.getMessage());
}
}
/**
* @see com.sun.xml.rpc.streaming.XMLWriter#getPrefixFactory()
*/
public PrefixFactory getPrefixFactory() {
return pfactory;
}
/**
* @see com.sun.xml.rpc.streaming.XMLWriter#setPrefixFactory(PrefixFactory)
*/
public void setPrefixFactory(PrefixFactory factory) {
this.pfactory = factory;
}
/**
* @see com.sun.xml.rpc.streaming.XMLWriter#getURI(String)
*/
public String getURI(String prefix) {
//return this.currentNode.getNamespaceURI(prefix);
return this.ns.getURI(prefix);
}
/**
* @see com.sun.xml.rpc.streaming.XMLWriter#getPrefix(String)
*/
public String getPrefix(String uri) {
/*
return this.pfactory.getPrefix(uri);
*/
return this.ns.getPrefix(uri);
}
/**
*
*/
public void flush() {
}
/**
*
*/
public void close() {
}
public void writeChars(CDATA chars) {
try {
this.currentNode.addTextNode(chars.getText());
} catch (SOAPException se) {
throw new XmlTreeWriterException(se.getMessage());
}
}
}
