| /* |
| * 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 |
