/*
* The Apache Software License, Version 1.1
*
*
* Copyright (c) 2001 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Axis" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
package org.apache.axis.deployment.wsdd;
import org.apache.axis.Chain;
import org.apache.axis.ConfigurationException;
import org.apache.axis.EngineConfiguration;
import org.apache.axis.Handler;
import org.apache.axis.encoding.SerializationContext;
import org.apache.axis.utils.Messages;
import org.w3c.dom.Element;
import org.xml.sax.helpers.AttributesImpl;
import javax.xml.namespace.QName;
import java.io.IOException;
import java.util.Vector;
/**
* WSDD chain element
*
*/
public class WSDDChain
extends WSDDHandler
{
private Vector handlers = new Vector();
/**
* Default constructor
*/
public WSDDChain()
{
}
/**
*
* @param e (Element) XXX
* @throws WSDDException XXX
*/
public WSDDChain(Element e)
throws WSDDException
{
super(e);
// If we're simply a reference to an existing chain, return.
// !!! should check to make sure it's a valid chain?
if (type != null)
return;
Element [] elements = getChildElements(e, ELEM_WSDD_HANDLER);
if (elements.length != 0) {
for (int i = 0; i < elements.length; i++) {
WSDDHandler handler = new WSDDHandler(elements[i]);
addHandler(handler);
}
}
elements = getChildElements(e, ELEM_WSDD_CHAIN);
if (elements.length != 0) {
for (int i = 0; i < elements.length; i++) {
WSDDChain chain = new WSDDChain(elements[i]);
addHandler(chain);
}
}
if (handlers.isEmpty())
throw new WSDDException(Messages.getMessage("noHandlersInChain00",
getElementName().getLocalPart(),
(getQName()!=null)?getQName().toString():"null"));
}
protected QName getElementName()
{
return WSDDConstants.QNAME_CHAIN;
}
/**
* Add a Handler to the chain (at the end)
*/
public void addHandler(WSDDHandler handler)
{
handlers.add(handler);
}
/**
* Obtain our handler list
*
* @return a Vector containing our Handlers
*/
public Vector getHandlers()
{
return handlers;
}
/**
* Remove a Handler from the chain
*/
public void removeHandler(WSDDHandler victim)
{
handlers.remove(victim);
}
/**
* Creates a new instance of this Chain
* @param registry XXX
* @return XXX
* @throws ConfigurationException XXX
*/
public Handler makeNewInstance(EngineConfiguration registry)
throws ConfigurationException
{
Chain c = new org.apache.axis.SimpleChain();
for (int n = 0; n < handlers.size(); n++) {
WSDDHandler handler = (WSDDHandler)handlers.get(n);
Handler h = handler.getInstance(registry);
if ( h != null )
c.addHandler(h);
else
throw new ConfigurationException("Can't find handler name:'" +
handler.getQName() + "' type:'"+
handler.getType() +
"' in the registry");
}
return c;
}
/**
* Write this element out to a SerializationContext
*/
public void writeToContext(SerializationContext context)
throws IOException
{
AttributesImpl attrs = new AttributesImpl();
QName name = getQName();
if (name != null) {
attrs.addAttribute("", ATTR_NAME, ATTR_NAME,
"CDATA", context.qName2String(name));
}
if (getType() != null) {
attrs.addAttribute("", ATTR_TYPE, ATTR_TYPE,
"CDATA", context.qName2String(getType()));
}
context.startElement(getElementName(), attrs);
for (int n = 0; n < handlers.size(); n++) {
WSDDHandler handler = (WSDDHandler)handlers.get(n);
handler.writeToContext(context);
}
context.endElement();
}
public void deployToRegistry(WSDDDeployment registry)
{
if (getQName() != null)
registry.addHandler(this);
for (int n = 0; n < handlers.size(); n++) {
WSDDHandler handler = (WSDDHandler)handlers.get(n);
if (handler.getQName() != null)
handler.deployToRegistry(registry);
}
}
}