jaxp/src/share/classes/com/sun/xml/internal/stream/writers/XMLEventWriterImpl.java
changeset 12005 a754d69d5e60
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jaxp/src/share/classes/com/sun/xml/internal/stream/writers/XMLEventWriterImpl.java	Sun Mar 04 11:55:34 2012 -0800
@@ -0,0 +1,261 @@
+/*
+ * Copyright (c) 2005, 2006, 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.stream.writers;
+
+import java.util.Iterator;
+import javax.xml.namespace.QName;
+import javax.xml.stream.XMLEventWriter;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.events.Attribute;
+import javax.xml.stream.events.Characters;
+import javax.xml.stream.events.Comment;
+import javax.xml.stream.events.DTD;
+import javax.xml.stream.events.EntityReference;
+import javax.xml.stream.events.Namespace;
+import javax.xml.stream.events.ProcessingInstruction;
+import javax.xml.stream.events.StartDocument;
+import javax.xml.stream.events.StartElement;
+import javax.xml.stream.events.XMLEvent;
+import javax.xml.stream.XMLStreamWriter;
+
+/**
+ *
+ * @author  Neeraj Bajaj, Sun Microsystems.
+ *
+ */
+public class XMLEventWriterImpl implements XMLEventWriter{
+
+    //delegate everything to XMLStreamWriter..
+    private XMLStreamWriter fStreamWriter ;
+    private static final boolean DEBUG = false;
+    /**
+     *
+     * @param streamWriter
+     */
+    public XMLEventWriterImpl(XMLStreamWriter streamWriter){
+        fStreamWriter = streamWriter;
+    }
+
+    /**
+     *
+     * @param xMLEventReader
+     * @throws XMLStreamException
+     */
+    public void add(javax.xml.stream.XMLEventReader xMLEventReader) throws javax.xml.stream.XMLStreamException {
+        if(xMLEventReader == null) throw new XMLStreamException("Event reader shouldn't be null");
+        while(xMLEventReader.hasNext()){
+            add(xMLEventReader.nextEvent());
+        }
+    }
+
+    /**
+     *
+     * @param xMLEvent
+     * @throws XMLStreamException
+     */
+    public void add(javax.xml.stream.events.XMLEvent xMLEvent) throws javax.xml.stream.XMLStreamException {
+        int type = xMLEvent.getEventType();
+        switch(type){
+            case XMLEvent.DTD:{
+                DTD dtd = (DTD)xMLEvent ;
+                if (DEBUG)System.out.println("Adding DTD = " + dtd.toString());
+                fStreamWriter.writeDTD(dtd.getDocumentTypeDeclaration());
+                break;
+            }
+            case XMLEvent.START_DOCUMENT :{
+                StartDocument startDocument = (StartDocument)xMLEvent ;
+                if (DEBUG)System.out.println("Adding StartDocument = " + startDocument.toString());
+                try {
+                   fStreamWriter.writeStartDocument(startDocument.getCharacterEncodingScheme(), startDocument.getVersion());
+                }catch(XMLStreamException e) {
+                    fStreamWriter.writeStartDocument(startDocument.getVersion());
+                }
+                break;
+            }
+            case XMLEvent.START_ELEMENT :{
+                StartElement startElement = xMLEvent.asStartElement() ;
+                if (DEBUG)System.out.println("Adding startelement = " + startElement.toString());
+                QName qname = startElement.getName();
+                fStreamWriter.writeStartElement(qname.getPrefix(), qname.getLocalPart(), qname.getNamespaceURI());
+
+                //getNamespaces() Returns an Iterator of namespaces declared on this element. This Iterator does not contain
+                //previously declared namespaces unless they appear on the current START_ELEMENT. Therefore
+                //this list may contain redeclared namespaces and duplicate namespace declarations. Use the
+                //getNamespaceContext() method to get the current context of namespace declarations.
+
+                //so we should be using getNamespaces() to write namespace declarations for this START_ELEMENT
+                Iterator iterator = startElement.getNamespaces();
+                while(iterator.hasNext()){
+                    Namespace namespace = (Namespace)iterator.next();
+                    fStreamWriter.writeNamespace(namespace.getPrefix(), namespace.getNamespaceURI());
+                }
+                //REVISIT: What about writing attributes ?
+                Iterator attributes = startElement.getAttributes();
+                while(attributes.hasNext()){
+                    Attribute attribute = (Attribute)attributes.next();
+                    QName aqname = attribute.getName();
+                    fStreamWriter.writeAttribute(aqname.getPrefix(), aqname.getNamespaceURI(), aqname.getLocalPart(),attribute.getValue());
+                }
+                break;
+            }
+            case XMLEvent.NAMESPACE:{
+                Namespace namespace = (Namespace)xMLEvent;
+                if (DEBUG)System.out.println("Adding namespace = " + namespace.toString());
+                fStreamWriter.writeNamespace(namespace.getPrefix(), namespace.getNamespaceURI());
+                break ;
+            }
+            case XMLEvent.COMMENT: {
+                Comment comment = (Comment)xMLEvent ;
+                if (DEBUG)System.out.println("Adding comment = " + comment.toString());
+                fStreamWriter.writeComment(comment.getText());
+                break;
+            }
+            case XMLEvent.PROCESSING_INSTRUCTION:{
+                ProcessingInstruction processingInstruction = (ProcessingInstruction)xMLEvent ;
+                if (DEBUG)System.out.println("Adding processing instruction = " + processingInstruction.toString());
+                fStreamWriter.writeProcessingInstruction(processingInstruction.getTarget(), processingInstruction.getData());
+                break;
+            }
+            case XMLEvent.CHARACTERS:{
+                Characters characters = xMLEvent.asCharacters();
+                if (DEBUG)System.out.println("Adding characters = " + characters.toString());
+                //check if the CHARACTERS are CDATA
+                if(characters.isCData()){
+                    fStreamWriter.writeCData(characters.getData());
+                }
+                else{
+                    fStreamWriter.writeCharacters(characters.getData());
+                }
+                break;
+            }
+            case XMLEvent.ENTITY_REFERENCE:{
+                EntityReference entityReference = (EntityReference)xMLEvent ;
+                if (DEBUG)System.out.println("Adding Entity Reference = "+ entityReference.toString());
+                fStreamWriter.writeEntityRef(entityReference.getName());
+                break;
+            }
+            case XMLEvent.ATTRIBUTE:{
+                Attribute attribute = (Attribute)xMLEvent;
+                if (DEBUG)System.out.println("Adding Attribute = " + attribute.toString());
+                QName qname = attribute.getName();
+                fStreamWriter.writeAttribute(qname.getPrefix(), qname.getNamespaceURI(), qname.getLocalPart(),attribute.getValue());
+                break;
+            }
+            case XMLEvent.CDATA:{
+                //there is no separate CDATA datatype but CDATA event can be reported
+                //by using vendor specific CDATA property.
+                Characters characters = (Characters)xMLEvent;
+                if (DEBUG)System.out.println("Adding characters = " + characters.toString());
+                if(characters.isCData()){
+                    fStreamWriter.writeCData(characters.getData());
+                }
+                break;
+            }
+            //xxx: Why there isn't any event called Notation.
+            //case XMLEvent.NOTATION_DECLARATION:{
+            //}
+
+            case XMLEvent.END_ELEMENT:{
+                //we dont need to typecast it.. just call writeEndElement() and fStreamWriter will take care of it.
+                //EndElement endElement = (EndElement)xMLEvent;
+                fStreamWriter.writeEndElement();
+                break;
+            }
+            case XMLEvent.END_DOCUMENT:{
+                //we dont need to typecast just call writeEndDocument() and fStreamWriter will take care rest.
+                //EndDocument endDocument = (EndDocument)xMLEvent;
+                fStreamWriter.writeEndDocument();
+                break;
+            }
+            //throw new XMLStreamException("Unknown Event type = " + type);
+        };
+
+    }
+
+    /**
+     *
+     * @throws XMLStreamException
+     */
+    public void close() throws javax.xml.stream.XMLStreamException {
+        fStreamWriter.close();
+    }
+
+    /**
+     *
+     * @throws XMLStreamException will inturn call flush on the stream to which data is being
+     * written.
+     */
+    public void flush() throws javax.xml.stream.XMLStreamException {
+        fStreamWriter.flush();
+    }
+
+    /**
+     *
+     * @return
+     */
+    public javax.xml.namespace.NamespaceContext getNamespaceContext() {
+        return fStreamWriter.getNamespaceContext();
+    }
+
+    /**
+     *
+     * @param namespaceURI Namespace URI
+     * @throws XMLStreamException
+     * @return prefix associated with the URI.
+     */
+    public String getPrefix(String namespaceURI) throws javax.xml.stream.XMLStreamException {
+        return fStreamWriter.getPrefix(namespaceURI);
+    }
+
+    /**
+     *
+     * @param uri Namespace URI
+     * @throws XMLStreamException
+     */
+    public void setDefaultNamespace(String uri) throws javax.xml.stream.XMLStreamException {
+        fStreamWriter.setDefaultNamespace(uri);
+    }
+
+    /**
+     *
+     * @param namespaceContext Namespace Context
+     * @throws XMLStreamException
+     */
+    public void setNamespaceContext(javax.xml.namespace.NamespaceContext namespaceContext) throws javax.xml.stream.XMLStreamException {
+        fStreamWriter.setNamespaceContext(namespaceContext);
+    }
+
+    /**
+     *
+     * @param prefix namespace prefix associated with the uri.
+     * @param uri Namespace URI
+     * @throws XMLStreamException
+     */
+    public void setPrefix(String prefix, String uri) throws javax.xml.stream.XMLStreamException {
+        fStreamWriter.setPrefix(prefix, uri);
+    }
+
+}//XMLEventWriterImpl