| /* |
| * Copyright (c) 2004, 2013, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| * THIS FILE WAS MODIFIED BY SUN MICROSYSTEMS, INC. |
| */ |
| |
| package com.sun.xml.internal.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.internal.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("<sax xmlns=\"http://www.sun.com/xml/sax-events\">\n"); |
| _writer.write("<startDocument/>\n"); |
| _writer.flush(); |
| } |
| catch (IOException e) { |
| throw new SAXException(e); |
| } |
| } |
| |
| public void endDocument() throws SAXException { |
| try { |
| _writer.write("<endDocument/>\n"); |
| _writer.write("</sax>"); |
| _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("<endPrefixMapping prefix=\"" + |
| prefix + "\"/>\n"); |
| _writer.flush(); |
| } |
| catch (IOException e) { |
| throw new SAXException(e); |
| } |
| */ |
| } |
| |
| public void startElement(String uri, String localName, |
| String qName, Attributes attributes) |
| throws SAXException |
| { |
| try { |
| outputCharacters(); |
| |
| if (_namespaceAttributes != null) { |
| |
| AttributeValueHolder[] attrsHolder = new AttributeValueHolder[0]; |
| attrsHolder = (AttributeValueHolder[])_namespaceAttributes.toArray(attrsHolder); |
| |
| // Sort attributes |
| quicksort(attrsHolder, 0, attrsHolder.length - 1); |
| |
| for (int i = 0; i < attrsHolder.length; i++) { |
| _writer.write("<startPrefixMapping prefix=\"" + |
| attrsHolder[i].localName + "\" uri=\"" + attrsHolder[i].uri + "\"/>\n"); |
| _writer.flush(); |
| } |
| |
| _namespaceStack.push(attrsHolder); |
| _namespaceAttributes = null; |
| } else { |
| _namespaceStack.push(null); |
| } |
| |
| AttributeValueHolder[] attrsHolder = |
| new AttributeValueHolder[attributes.getLength()]; |
| for (int i = 0; i < attributes.getLength(); i++) { |
| attrsHolder[i] = new AttributeValueHolder( |
| attributes.getQName(i), |
| attributes.getLocalName(i), |
| attributes.getURI(i), |
| attributes.getType(i), |
| attributes.getValue(i)); |
| } |
| |
| // Sort attributes |
| quicksort(attrsHolder, 0, attrsHolder.length - 1); |
| |
| int attributeCount = 0; |
| for (int i = 0; i < attrsHolder.length; i++) { |
| if (attrsHolder[i].uri.equals("http://www.w3.org/2000/xmlns/")) { |
| // Ignore XMLNS attributes |
| continue; |
| } |
| attributeCount++; |
| } |
| |
| if (attributeCount == 0) { |
| _writer.write("<startElement uri=\"" + uri |
| + "\" localName=\"" + localName + "\" qName=\"" |
| + qName + "\"/>\n"); |
| return; |
| } |
| |
| _writer.write("<startElement uri=\"" + uri |
| + "\" localName=\"" + localName + "\" qName=\"" |
| + qName + "\">\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( |
| " <attribute qName=\"" + attrsHolder[i].qName + |
| "\" localName=\"" + attrsHolder[i].localName + |
| "\" uri=\"" + attrsHolder[i].uri + |
| // "\" type=\"" + attrsHolder[i].type + |
| "\" value=\"" + attrsHolder[i].value + |
| "\"/>\n"); |
| } |
| |
| _writer.write("</startElement>\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("<endElement uri=\"" + uri |
| + "\" localName=\"" + localName + "\" qName=\"" |
| + qName + "\"/>\n"); |
| _writer.flush(); |
| |
| // Write out the end prefix here rather than waiting |
| // for the explicit events |
| AttributeValueHolder[] attrsHolder = (AttributeValueHolder[])_namespaceStack.pop(); |
| if (attrsHolder != null) { |
| for (int i = 0; i < attrsHolder.length; i++) { |
| _writer.write("<endPrefixMapping prefix=\"" + |
| attrsHolder[i].localName + "\"/>\n"); |
| _writer.flush(); |
| } |
| } |
| |
| } |
| catch (IOException e) { |
| throw new SAXException(e); |
| } |
| } |
| |
| public void characters(char[] ch, int start, int length) |
| throws SAXException |
| { |
| if (length == 0) { |
| return; |
| } |
| |
| if (_characters == null) { |
| _characters = new StringBuffer(); |
| } |
| |
| // Coalesce multiple character events |
| _characters.append(ch, start, length); |
| |
| /* |
| try { |
| _writer.write("<characters>" + |
| (_charactersAreCDATA ? "<![CDATA[" : "") + |
| new String(ch, start, length) + |
| (_charactersAreCDATA ? "]]>" : "") + |
| "</characters>\n"); |
| _writer.flush(); |
| } |
| catch (IOException e) { |
| throw new SAXException(e); |
| } |
| */ |
| } |
| |
| private void outputCharacters() throws SAXException { |
| if (_characters == null) { |
| return; |
| } |
| |
| try { |
| _writer.write("<characters>" + |
| (_charactersAreCDATA ? "<![CDATA[" : "") + |
| _characters + |
| (_charactersAreCDATA ? "]]>" : "") + |
| "</characters>\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("<processingInstruction target=\"" + target |
| + "\" data=\"" + data + "\"/>\n"); |
| _writer.flush(); |
| } |
| catch (IOException e) { |
| throw new SAXException(e); |
| } |
| } |
| |
| // -- LexicalHandler interface --------------------------------------- |
| |
| public void startDTD(String name, String publicId, String systemId) |
| throws SAXException { |
| // Not implemented |
| } |
| |
| public void endDTD() |
| throws SAXException { |
| // Not implemented |
| } |
| |
| public void startEntity(String name) |
| throws SAXException { |
| // Not implemented |
| } |
| |
| public void endEntity(String name) |
| throws SAXException { |
| // Not implemented |
| } |
| |
| public void startCDATA() |
| throws SAXException { |
| _charactersAreCDATA = true; |
| } |
| |
| public void endCDATA() |
| throws SAXException { |
| _charactersAreCDATA = false; |
| } |
| |
| public void comment(char[] ch, int start, int length) |
| throws SAXException |
| { |
| try { |
| outputCharacters(); |
| |
| _writer.write("<comment>" + |
| new String(ch, start, length) + |
| "</comment>\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; |
| } |
| } |
| |
| } |