/* | |
* Licensed to the Apache Software Foundation (ASF) under one | |
* or more contributor license agreements. See the NOTICE file | |
* distributed with this work for additional information | |
* regarding copyright ownership. The ASF 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 org.apache.axis2.jaxws.message.util; | |
import org.apache.axiom.om.util.StAXUtils; | |
import javax.xml.namespace.NamespaceContext; | |
import javax.xml.stream.XMLStreamException; | |
import javax.xml.stream.XMLStreamWriter; | |
import java.io.OutputStream; | |
/** | |
* XMLStreamReader that exposes direct access to the OutputStream. | |
* Writing to the output stream is faster in some cases. | |
*/ | |
public class XMLStreamWriterWithOS implements XMLStreamWriter { | |
XMLStreamWriter writer; | |
String charSetEncoding; | |
OutputStream os; | |
public XMLStreamWriterWithOS(OutputStream os, String charSetEncoding) | |
throws XMLStreamException { | |
super(); | |
writer = null; // Writer is created when needed | |
this.os = os; | |
this.charSetEncoding = charSetEncoding; | |
} | |
/** | |
* The writer is created lazily. | |
* If only the output stream is used, then the writer is never created. | |
*/ | |
private void createWriter() throws XMLStreamException { | |
if (writer == null) { | |
writer = StAXUtils.createXMLStreamWriter(os, charSetEncoding); | |
} | |
} | |
public void close() throws XMLStreamException { | |
if (writer != null) { | |
writer.close(); | |
} | |
} | |
public void flush() throws XMLStreamException { | |
if (writer != null) { | |
writer.flush(); | |
} | |
} | |
public NamespaceContext getNamespaceContext() { | |
try { | |
createWriter(); | |
} catch (Exception e) { | |
throw new RuntimeException(e); | |
} | |
return writer.getNamespaceContext(); | |
} | |
public String getPrefix(String arg0) throws XMLStreamException { | |
createWriter(); | |
return writer.getPrefix(arg0); | |
} | |
public Object getProperty(String arg0) throws IllegalArgumentException { | |
try { | |
createWriter(); | |
} catch (XMLStreamException e) { | |
throw new IllegalArgumentException(e); | |
} | |
return writer.getProperty(arg0); | |
} | |
public void setDefaultNamespace(String arg0) throws XMLStreamException { | |
createWriter(); | |
writer.setDefaultNamespace(arg0); | |
} | |
public void setNamespaceContext(NamespaceContext arg0) throws XMLStreamException { | |
createWriter(); | |
writer.setNamespaceContext(arg0); | |
} | |
public void setPrefix(String arg0, String arg1) throws XMLStreamException { | |
createWriter(); | |
writer.setPrefix(arg0, arg1); | |
} | |
public void writeAttribute(String arg0, String arg1, String arg2, String arg3) | |
throws XMLStreamException { | |
createWriter(); | |
writer.writeAttribute(arg0, arg1, arg2, arg3); | |
} | |
public void writeAttribute(String arg0, String arg1, String arg2) | |
throws XMLStreamException { | |
createWriter(); | |
writer.writeAttribute(arg0, arg1, arg2); | |
} | |
public void writeAttribute(String arg0, String arg1) throws XMLStreamException { | |
createWriter(); | |
writer.writeAttribute(arg0, arg1); | |
} | |
public void writeCData(String arg0) throws XMLStreamException { | |
createWriter(); | |
writer.writeCData(arg0); | |
} | |
public void writeCharacters(char[] arg0, int arg1, int arg2) | |
throws XMLStreamException { | |
createWriter(); | |
writer.writeCharacters(arg0, arg1, arg2); | |
} | |
public void writeCharacters(String arg0) throws XMLStreamException { | |
createWriter(); | |
writer.writeCharacters(arg0); | |
} | |
public void writeComment(String arg0) throws XMLStreamException { | |
createWriter(); | |
writer.writeComment(arg0); | |
} | |
public void writeDefaultNamespace(String arg0) throws XMLStreamException { | |
createWriter(); | |
writer.writeDefaultNamespace(arg0); | |
} | |
public void writeDTD(String arg0) throws XMLStreamException { | |
createWriter(); | |
writer.writeDTD(arg0); | |
} | |
public void writeEmptyElement(String arg0, String arg1, String arg2) | |
throws XMLStreamException { | |
createWriter(); | |
writer.writeEmptyElement(arg0, arg1, arg2); | |
} | |
public void writeEmptyElement(String arg0, String arg1) throws XMLStreamException { | |
createWriter(); | |
writer.writeEmptyElement(arg0, arg1); | |
} | |
public void writeEmptyElement(String arg0) throws XMLStreamException { | |
createWriter(); | |
writer.writeEmptyElement(arg0); | |
} | |
public void writeEndDocument() throws XMLStreamException { | |
createWriter(); | |
writer.writeEndDocument(); | |
} | |
public void writeEndElement() throws XMLStreamException { | |
createWriter(); | |
writer.writeEndElement(); | |
} | |
public void writeEntityRef(String arg0) throws XMLStreamException { | |
createWriter(); | |
writer.writeEntityRef(arg0); | |
} | |
public void writeNamespace(String arg0, String arg1) throws XMLStreamException { | |
createWriter(); | |
writer.writeNamespace(arg0, arg1); | |
} | |
public void writeProcessingInstruction(String arg0, String arg1) | |
throws XMLStreamException { | |
createWriter(); | |
writer.writeProcessingInstruction(arg0, arg1); | |
} | |
public void writeProcessingInstruction(String arg0) throws XMLStreamException { | |
createWriter(); | |
writer.writeProcessingInstruction(arg0); | |
} | |
public void writeStartDocument() throws XMLStreamException { | |
createWriter(); | |
writer.writeStartDocument(); | |
} | |
public void writeStartDocument(String arg0, String arg1) throws XMLStreamException { | |
createWriter(); | |
writer.writeStartDocument(arg0, arg1); | |
} | |
public void writeStartDocument(String arg0) throws XMLStreamException { | |
createWriter(); | |
writer.writeStartDocument(arg0); | |
} | |
public void writeStartElement(String arg0, String arg1, String arg2) | |
throws XMLStreamException { | |
createWriter(); | |
writer.writeStartElement(arg0, arg1, arg2); | |
} | |
public void writeStartElement(String arg0, String arg1) throws XMLStreamException { | |
createWriter(); | |
writer.writeStartElement(arg0, arg1); | |
} | |
public void writeStartElement(String arg0) throws XMLStreamException { | |
createWriter(); | |
writer.writeStartElement(arg0); | |
} | |
/** | |
* If this XMLStreamWriter is connected to an OutputStream | |
* then the OutputStream is returned. This allows a node | |
* (perhaps an OMSourcedElement) to write its content | |
* directly to the OutputStream. | |
* @return OutputStream or null | |
*/ | |
public OutputStream getOutputStream() throws XMLStreamException { | |
if (os != null) { | |
// Flush the state of the writer..Many times the | |
// write defers the writing of tag characters (>) | |
// until the next write. Flush out this character | |
if (writer != null) { | |
this.writeCharacters(""); | |
this.flush(); | |
} | |
} | |
return os; | |
} | |
} |