jaxws/src/share/jaxws_classes/com/sun/xml/internal/org/jvnet/staxex/util/XMLStreamReaderToXMLStreamWriter.java
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jaxws/src/share/jaxws_classes/com/sun/xml/internal/org/jvnet/staxex/util/XMLStreamReaderToXMLStreamWriter.java Mon Mar 31 10:43:20 2014 +0200
@@ -0,0 +1,297 @@
+/*
+ * Copyright (c) 1997, 2014, 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.
+ */
+
+package com.sun.xml.internal.org.jvnet.staxex.util;
+
+import java.io.IOException;
+
+import javax.xml.bind.attachment.AttachmentMarshaller;
+import javax.xml.stream.XMLStreamConstants;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.XMLStreamReader;
+import javax.xml.stream.XMLStreamWriter;
+import javax.xml.XMLConstants;
+
+import com.sun.xml.internal.org.jvnet.staxex.Base64Data;
+import com.sun.xml.internal.org.jvnet.staxex.XMLStreamReaderEx;
+import com.sun.xml.internal.org.jvnet.staxex.XMLStreamWriterEx;
+
+/**
+ * Reads a sub-tree from {@link XMLStreamReader} and writes to {@link XMLStreamWriter}
+ * as-is.
+ *
+ * <p>
+ * This class can be sub-classed to implement a simple transformation logic.
+ *
+ * @author Kohsuke Kawaguchi
+ * @author Ryan Shoemaker
+ */
+public class XMLStreamReaderToXMLStreamWriter {
+
+ static public class Breakpoint {
+ protected XMLStreamReader reader;
+ protected XMLStreamWriter writer;
+
+ public Breakpoint(XMLStreamReader r, XMLStreamWriter w) { reader = r; writer = w; }
+
+ public XMLStreamReader reader() { return reader; }
+ public XMLStreamWriter writer() { return writer; }
+ public boolean proceedBeforeStartElement() { return true; }
+ public boolean proceedAfterStartElement() { return true; }
+ }
+
+ private static final int BUF_SIZE = 4096;
+
+ protected XMLStreamReader in;
+ protected XMLStreamWriter out;
+
+ private char[] buf;
+
+ boolean optimizeBase64Data = false;
+
+ AttachmentMarshaller mtomAttachmentMarshaller;
+
+ /**
+ * Reads one subtree and writes it out.
+ *
+ * <p>
+ * The {@link XMLStreamWriter} never receives a start/end document event.
+ * Those need to be written separately by the caller.
+ */
+ public void bridge(XMLStreamReader in, XMLStreamWriter out) throws XMLStreamException {
+ bridge(in, out, null);
+ }
+
+ public void bridge(Breakpoint breakPoint) throws XMLStreamException {
+ bridge(breakPoint.reader(), breakPoint.writer(), breakPoint);
+ }
+
+ private void bridge(XMLStreamReader in, XMLStreamWriter out, Breakpoint breakPoint) throws XMLStreamException {
+ assert in!=null && out!=null;
+ this.in = in;
+ this.out = out;
+
+ optimizeBase64Data = (in instanceof XMLStreamReaderEx);
+
+ if (out instanceof XMLStreamWriterEx && out instanceof MtomStreamWriter) {
+ mtomAttachmentMarshaller = ((MtomStreamWriter) out).getAttachmentMarshaller();
+ }
+ // remembers the nest level of elements to know when we are done.
+ int depth=0;
+
+ buf = new char[BUF_SIZE];
+
+ // if the parser is at the start tag, proceed to the first element
+ int event = getEventType();
+
+ if( event!=XMLStreamConstants.START_ELEMENT)
+ throw new IllegalStateException("The current event is not START_ELEMENT\n but " + event);
+
+ do {
+ // These are all of the events listed in the javadoc for
+ // XMLEvent.
+ // The spec only really describes 11 of them.
+ switch (event) {
+ case XMLStreamConstants.START_ELEMENT :
+ if (breakPoint != null && !breakPoint.proceedBeforeStartElement()) return;
+ depth++;
+ handleStartElement();
+ if (breakPoint != null && !breakPoint.proceedAfterStartElement()) return;
+ break;
+ case XMLStreamConstants.END_ELEMENT :
+ handleEndElement();
+ depth--;
+ if(depth==0)
+ return;
+ break;
+ case XMLStreamConstants.CHARACTERS :
+ handleCharacters();
+ break;
+ case XMLStreamConstants.ENTITY_REFERENCE :
+ handleEntityReference();
+ break;
+ case XMLStreamConstants.PROCESSING_INSTRUCTION :
+ handlePI();
+ break;
+ case XMLStreamConstants.COMMENT :
+ handleComment();
+ break;
+ case XMLStreamConstants.DTD :
+ handleDTD();
+ break;
+ case XMLStreamConstants.CDATA :
+ handleCDATA();
+ break;
+ case XMLStreamConstants.SPACE :
+ handleSpace();
+ break;
+ case XMLStreamConstants.END_DOCUMENT:
+ throw new XMLStreamException("Malformed XML at depth="+depth+", Reached EOF. Event="+event);
+ default :
+ throw new XMLStreamException("Cannot process event: " + event);
+ }
+
+ event=getNextEvent();
+ } while (depth!=0);
+ }
+
+ protected void handlePI() throws XMLStreamException {
+ out.writeProcessingInstruction(
+ in.getPITarget(),
+ in.getPIData());
+ }
+
+
+ protected void handleCharacters() throws XMLStreamException {
+
+ CharSequence c = null;
+
+ if (optimizeBase64Data) {
+ c = ((XMLStreamReaderEx)in).getPCDATA();
+ }
+
+ if ((c != null) && (c instanceof Base64Data)) {
+ if (mtomAttachmentMarshaller != null) {
+ Base64Data b64d = (Base64Data) c;
+ ((XMLStreamWriterEx)out).writeBinary(b64d.getDataHandler());
+ } else {
+ try {
+ ((Base64Data)c).writeTo(out);
+ } catch (IOException e) {
+ throw new XMLStreamException(e);
+ }
+ }
+ } else {
+ for (int start=0,read=buf.length; read == buf.length; start+=buf.length) {
+ read = in.getTextCharacters(start, buf, 0, buf.length);
+ out.writeCharacters(buf, 0, read);
+ }
+ }
+ }
+
+ protected void handleEndElement() throws XMLStreamException {
+ out.writeEndElement();
+ }
+
+ protected void handleStartElement() throws XMLStreamException {
+ String nsUri = in.getNamespaceURI();
+ if(nsUri==null)
+ out.writeStartElement(in.getLocalName());
+ else
+ out.writeStartElement(
+ fixNull(in.getPrefix()),
+ in.getLocalName(),
+ nsUri
+ );
+
+ // start namespace bindings
+ int nsCount = in.getNamespaceCount();
+ for (int i = 0; i < nsCount; i++) {
+ out.writeNamespace(
+ in.getNamespacePrefix(i),
+ fixNull(in.getNamespaceURI(i))); // zephyr doesn't like null, I don't know what is correct, so just fix null to "" for now
+ }
+
+ // write attributes
+ int attCount = in.getAttributeCount();
+ for (int i = 0; i < attCount; i++) {
+ handleAttribute(i);
+ }
+ }
+
+ /**
+ * Writes out the {@code i}-th attribute of the current element.
+ *
+ * <p>
+ * Used from {@link #handleStartElement()}.
+ */
+ protected void handleAttribute(int i) throws XMLStreamException {
+ String nsUri = in.getAttributeNamespace(i);
+ String prefix = in.getAttributePrefix(i);
+ if (fixNull(nsUri).equals(XMLConstants.XMLNS_ATTRIBUTE_NS_URI)) {
+ //Its a namespace decl, ignore as it is already written.
+ return;
+ }
+
+ if(nsUri==null || prefix == null || prefix.equals("")) {
+ out.writeAttribute(
+ in.getAttributeLocalName(i),
+ in.getAttributeValue(i)
+ );
+ } else {
+ out.writeAttribute(
+ prefix,
+ nsUri,
+ in.getAttributeLocalName(i),
+ in.getAttributeValue(i)
+ );
+ }
+ }
+
+ protected void handleDTD() throws XMLStreamException {
+ out.writeDTD(in.getText());
+ }
+
+ protected void handleComment() throws XMLStreamException {
+ out.writeComment(in.getText());
+ }
+
+ protected void handleEntityReference() throws XMLStreamException {
+ out.writeEntityRef(in.getText());
+ }
+
+ protected void handleSpace() throws XMLStreamException {
+ handleCharacters();
+ }
+
+ protected void handleCDATA() throws XMLStreamException {
+ out.writeCData(in.getText());
+ }
+
+ private static String fixNull(String s) {
+ if(s==null) return "";
+ else return s;
+ }
+
+ private int getEventType() throws XMLStreamException {
+ int event = in.getEventType();
+ // if the parser is at the start tag, proceed to the first element
+ //Note - need to do this every time because we could be using a composite reader
+ if(event == XMLStreamConstants.START_DOCUMENT) {
+ // nextTag doesn't correctly handle DTDs
+ while( !in.isStartElement() ) {
+ event = in.next();
+ if (event == XMLStreamConstants.COMMENT)
+ handleComment();
+ }
+ }
+ return event;
+ }
+
+ private int getNextEvent() throws XMLStreamException {
+ in.next();
+ return getEventType();
+ }
+}