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This module contains the Metro runtime code.
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2004-2012 Oracle and/or its affiliates. All rights reserved.
*
* Oracle licenses this file to You 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
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.sun.xml.fastinfoset.tools;
import java.io.IOException;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.util.ArrayList;
import java.util.List;
import java.util.Stack;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import org.xml.sax.ext.LexicalHandler;
import org.xml.sax.helpers.DefaultHandler;
import com.sun.xml.fastinfoset.CommonResourceBundle;
public class SAXEventSerializer extends DefaultHandler
implements LexicalHandler {
private Writer _writer;
private boolean _charactersAreCDATA;
private StringBuffer _characters;
private Stack _namespaceStack = new Stack();
protected List _namespaceAttributes;
public SAXEventSerializer(OutputStream s) throws IOException {
_writer = new OutputStreamWriter(s);
_charactersAreCDATA = false;
}
// -- ContentHandler interface ---------------------------------------
public void startDocument() throws SAXException {
try {
_writer.write("\n");
_writer.write(" ");
_writer.flush();
_writer.close();
}
catch (IOException e) {
throw new SAXException(e);
}
}
public void startPrefixMapping(String prefix, String uri)
throws SAXException
{
if (_namespaceAttributes == null) {
_namespaceAttributes = new ArrayList();
}
String qName = (prefix.length() == 0) ? "xmlns" : "xmlns" + prefix;
AttributeValueHolder attribute = new AttributeValueHolder(
qName,
prefix,
uri,
null,
null);
_namespaceAttributes.add(attribute);
}
public void endPrefixMapping(String prefix)
throws SAXException
{
/*
try {
outputCharacters();
_writer.write("\n");
// Serialize attributes as children
for (int i = 0; i < attrsHolder.length; i++) {
if (attrsHolder[i].uri.equals("http://www.w3.org/2000/xmlns/")) {
// Ignore XMLNS attributes
continue;
}
_writer.write(
" \n");
_writer.flush();
}
catch (IOException e) {
throw new SAXException(e);
}
}
public void endElement(String uri, String localName, String qName)
throws SAXException
{
try {
outputCharacters();
_writer.write("" +
(_charactersAreCDATA ? "" : "") +
" \n");
_writer.flush();
}
catch (IOException e) {
throw new SAXException(e);
}
*/
}
private void outputCharacters() throws SAXException {
if (_characters == null) {
return;
}
try {
_writer.write("" +
(_charactersAreCDATA ? "" : "") +
" \n");
_writer.flush();
_characters = null;
} catch (IOException e) {
throw new SAXException(e);
}
}
public void ignorableWhitespace(char[] ch, int start, int length)
throws SAXException
{
// Report ignorable ws as characters (assumes validation off)
characters(ch, start, length);
}
public void processingInstruction(String target, String data)
throws SAXException
{
try {
outputCharacters();
_writer.write("" +
new String(ch, start, length) +
" \n");
_writer.flush();
}
catch (IOException e) {
throw new SAXException(e);
}
}
// -- Utility methods ------------------------------------------------
private void quicksort(AttributeValueHolder[] attrs, int p, int r) {
while (p < r) {
final int q = partition(attrs, p, r);
quicksort(attrs, p, q);
p = q + 1;
}
}
private int partition(AttributeValueHolder[] attrs, int p, int r) {
AttributeValueHolder x = attrs[(p + r) >>> 1];
int i = p - 1;
int j = r + 1;
while (true) {
while (x.compareTo(attrs[--j]) < 0);
while (x.compareTo(attrs[++i]) > 0);
if (i < j) {
final AttributeValueHolder t = attrs[i];
attrs[i] = attrs[j];
attrs[j] = t;
}
else {
return j;
}
}
}
public static class AttributeValueHolder implements Comparable {
public final String qName;
public final String localName;
public final String uri;
public final String type;
public final String value;
public AttributeValueHolder(String qName,
String localName,
String uri,
String type,
String value)
{
this.qName = qName;
this.localName = localName;
this.uri = uri;
this.type = type;
this.value = value;
}
public int compareTo(Object o) {
try {
return qName.compareTo(((AttributeValueHolder) o).qName);
} catch (Exception e) {
throw new RuntimeException(CommonResourceBundle.getInstance().getString("message.AttributeValueHolderExpected"));
}
}
@Override
public boolean equals(Object o) {
try {
return (o instanceof AttributeValueHolder) &&
qName.equals(((AttributeValueHolder) o).qName);
} catch (Exception e) {
throw new RuntimeException(CommonResourceBundle.getInstance().getString("message.AttributeValueHolderExpected"));
}
}
@Override
public int hashCode() {
int hash = 7;
hash = 97 * hash + (this.qName != null ? this.qName.hashCode() : 0);
return hash;
}
}
}