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/*
* 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 Distribution License v. 1.0, which is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
package com.sun.xml.ws.security.opt.impl.util;
import com.sun.xml.wss.impl.MessageConstants;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import javax.xml.stream.XMLStreamWriter;
import org.jvnet.staxex.XMLStreamReaderEx;
import org.jvnet.staxex.XMLStreamWriterEx;
/**
*
* @author [email protected]
*/
public class StreamUtil {
/** Creates a new instance of StreamUtil */
public StreamUtil() {
}
public static boolean moveToNextElement(XMLStreamReader reader) throws XMLStreamException{
if(reader.hasNext()){
reader.next();
while(reader.getEventType() != XMLStreamReader.START_ELEMENT){
if(reader.hasNext()){
reader.next();
}else{
return false;
}
}
return true;
}else{
return false;
}
}
public static boolean moveToNextStartOREndElement(XMLStreamReader reader) throws XMLStreamException{
if(reader.hasNext()){
reader.next();
while(move(reader)){
if(reader.hasNext()){
reader.next();
}else{
return false;
}
}
return true;
}else{
return false;
}
}
public static boolean moveToNextStartOREndElement(XMLStreamReader reader,XMLStreamWriter writer ) throws XMLStreamException{
if(writer == null){
return moveToNextStartOREndElement(reader);
}
if(reader.hasNext()){
reader.next();
writeCurrentEvent(reader,writer);
while(move(reader)){
if(reader.hasNext()){
reader.next();
writeCurrentEvent(reader,writer);
}else{
return false;
}
}
return true;
}else{
return false;
}
}
public static boolean isStartElement(XMLStreamReader reader){
if(reader.getEventType() == XMLStreamReader.START_ELEMENT){
return true;
}
return false;
}
public static boolean _break(XMLStreamReader reader,String localName,String uri) throws XMLStreamException{
if(reader.getEventType() == XMLStreamReader.END_ELEMENT){
if(reader.getLocalName() == localName &&
(reader.getNamespaceURI() == uri || reader.getNamespaceURI() == MessageConstants.WSSC_13NS)){
return true;
}
}
return false;
}
private static boolean move(XMLStreamReader reader) {
if(reader.getEventType() == XMLStreamReader.START_ELEMENT ||
reader.getEventType() == XMLStreamReader.END_ELEMENT){
return false;
}
return true;
}
public static void writeStartElement(XMLStreamReader reader,XMLStreamWriter writer) throws XMLStreamException{
String pref = reader.getPrefix();
if (pref == null) {
pref = "";
}
writer.writeStartElement(pref, reader.getLocalName(), reader.getNamespaceURI());
int nsCount = reader.getNamespaceCount();
for(int i=0;i< nsCount ;i++){
String prefix = reader.getNamespacePrefix(i);
if(prefix == null)prefix ="";
writer.writeNamespace(prefix,reader.getNamespaceURI(i));
}
int atCount = reader.getAttributeCount();
for(int i=0;i< atCount ;i++){
if(reader.getAttributePrefix(i) == "" || reader.getAttributePrefix(i) == null){
writer.writeAttribute(reader.getAttributeLocalName(i),reader.getAttributeValue(i));
}else{
writer.writeAttribute(reader.getAttributePrefix(i),reader.getAttributeNamespace(i),reader.getAttributeLocalName(i),reader.getAttributeValue(i));
}
}
}
public static void writeCurrentEvent(XMLStreamReader reader , XMLStreamWriter writer) throws XMLStreamException{
int event = reader.getEventType();
switch(event){
case XMLStreamReader.CDATA:{
writer.writeCData(reader.getText());
break;
}
case XMLStreamReader.CHARACTERS:{
//writer.writeCharacters(reader.getTextCharacters(),reader.getTextStart(),reader.getTextLength());
char[] buf = new char[2048];
int actual= 0;
int sourceStart = 0;
do {
actual = reader.getTextCharacters(sourceStart, buf, 0, 2048);
if (actual > 0) {
writer.writeCharacters(buf, 0, actual);
sourceStart += actual;
}
}while (actual == 2048) ;
break;
}
case XMLStreamReader.COMMENT:{
writer.writeComment(reader.getText());
break;
}
case XMLStreamReader.DTD:{
break;
}
case XMLStreamReader.END_DOCUMENT:{
break;
}
case XMLStreamReader.END_ELEMENT:{
writer.writeEndElement();
break;
}
case XMLStreamReader.ENTITY_DECLARATION:{
break;
}
case XMLStreamReader.ENTITY_REFERENCE:{
break;
}
case XMLStreamReader.NAMESPACE:{
break;
}
case XMLStreamReader.NOTATION_DECLARATION:{
break;
}
case XMLStreamReader.PROCESSING_INSTRUCTION:{
break;
}
case XMLStreamReader.SPACE:{
writer.writeCharacters(reader.getText());
break;
}
case XMLStreamReader.START_DOCUMENT:{
break;
}
case XMLStreamReader.START_ELEMENT:{
writeStartElement(reader,writer);
break;
}
}
}
public static void writeCurrentEvent(XMLStreamReaderEx reader , XMLStreamWriterEx writer) throws XMLStreamException{
int event = reader.getEventType();
switch(event){
case XMLStreamReader.CDATA:{
writer.writeCData(reader.getText());
break;
}
case XMLStreamReader.CHARACTERS:{
writer.writeCharacters(reader.getTextCharacters(),reader.getTextStart(),reader.getTextLength());
break;
}
case XMLStreamReader.COMMENT:{
writer.writeComment(reader.getText());
break;
}
case XMLStreamReader.DTD:{
break;
}
case XMLStreamReader.END_DOCUMENT:{
break;
}
case XMLStreamReader.END_ELEMENT:{
writer.writeEndElement();
break;
}
case XMLStreamReader.ENTITY_DECLARATION:{
break;
}
case XMLStreamReader.ENTITY_REFERENCE:{
break;
}
case XMLStreamReader.NAMESPACE:{
break;
}
case XMLStreamReader.NOTATION_DECLARATION:{
break;
}
case XMLStreamReader.PROCESSING_INSTRUCTION:{
break;
}
case XMLStreamReader.SPACE:{
writer.writeCharacters(reader.getText());
break;
}
case XMLStreamReader.START_DOCUMENT:{
break;
}
case XMLStreamReader.START_ELEMENT:{
writeStartElement(reader,writer);
break;
}
}
}
public static String getWsuId(XMLStreamReader reader){
return reader.getAttributeValue(MessageConstants.WSU_NS,"Id");
}
public static String getId(XMLStreamReader reader){
return reader.getAttributeValue(null,"Id");
}
public static String getCV(XMLStreamReader reader) throws XMLStreamException{
StringBuffer content = new StringBuffer();
int eventType = reader.getEventType();
while(eventType != XMLStreamReader.END_ELEMENT ) {
if(eventType == XMLStreamReader.CHARACTERS
|| eventType == XMLStreamReader.CDATA
|| eventType == XMLStreamReader.SPACE
|| eventType == XMLStreamReader.ENTITY_REFERENCE) {
content.append(reader.getText());
} else if(eventType == XMLStreamReader.PROCESSING_INSTRUCTION
|| eventType == XMLStreamReader.COMMENT) {
// skipping
}
eventType = reader.next();
}
return content.toString();
}
public static String getCV(XMLStreamReaderEx reader) throws XMLStreamException{
StringBuffer sb = new StringBuffer();
while(reader.getEventType() == reader.CHARACTERS && reader.getEventType() != reader.END_ELEMENT){
CharSequence charSeq = ((XMLStreamReaderEx)reader).getPCDATA();
for(int i=0;i