/*
* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.ws.extensions.policy.deployer.util;
import java.io.ByteArrayOutputStream;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.List;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLOutputFactory;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamWriter;
import org.apache.ws.policy.Assertion;
import org.apache.ws.policy.PrimitiveAssertion;
/**
*
* @author Stefano Maestri, <mailto:stefano.maestri@javalinux.it>
*
*/
public class PrimitiveAssertionWriter
{
private int num = 1;
PrimitiveAssertionWriter()
{
}
public static PrimitiveAssertionWriter newInstance()
{
return new PrimitiveAssertionWriter();
}
public void writePrimitiveAssertion(PrimitiveAssertion assertion, ByteArrayOutputStream stream) throws XMLStreamException
{
XMLStreamWriter writer = XMLOutputFactory.newInstance().createXMLStreamWriter(stream);
writePrimitiveAssertion(assertion, writer);
}
public void writePrimitiveAssertion(PrimitiveAssertion assertion, XMLStreamWriter writer) throws XMLStreamException
{
QName qname = assertion.getName();
String writerPrefix = writer.getPrefix(qname.getNamespaceURI());
if (writerPrefix != null)
{
writer.writeStartElement(qname.getNamespaceURI(), qname.getLocalPart());
}
else
{
String prefix = (qname.getPrefix() != null) ? qname.getPrefix() : generateNamespace();
writer.writeStartElement(prefix, qname.getLocalPart(), qname.getNamespaceURI());
writer.writeNamespace(prefix, qname.getNamespaceURI());
writer.setPrefix(prefix, qname.getNamespaceURI());
}
Hashtable attributes = assertion.getAttributes();
writeAttributes(attributes, writer);
String text = (String)assertion.getStrValue();
if (text != null)
{
writer.writeCharacters(text);
}
//A Primitive assertion can't have terms----to be verified
List terms = assertion.getTerms();
writeTerms(terms, writer);
writer.writeEndElement();
writer.flush();
}
private void writeTerms(List terms, XMLStreamWriter writer) throws XMLStreamException
{
Iterator iterator = terms.iterator();
while (iterator.hasNext())
{
Assertion assertion = (Assertion)iterator.next();
writePrimitiveAssertion((PrimitiveAssertion) assertion, writer);
}
}
private void writeAttributes(Hashtable attributes, XMLStreamWriter writer) throws XMLStreamException
{
Iterator iterator = attributes.keySet().iterator();
while (iterator.hasNext())
{
QName qname = (QName)iterator.next();
String value = (String)attributes.get(qname);
String prefix = qname.getPrefix();
if (prefix != null)
{
writer.writeAttribute(prefix, qname.getNamespaceURI(), qname.getLocalPart(), value);
}
else
{
writer.writeAttribute(qname.getNamespaceURI(), qname.getLocalPart(), value);
}
}
}
private String generateNamespace()
{
return "ns" + num++;
}
}