/**
* Abiquo community edition
* cloud management application for hybrid clouds
* Copyright (C) 2008-2010 - Abiquo Holdings S.L.
*
* This application 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 under
* version 3 of the License
*
* 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 v.3 for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
package com.abiquo.abiserver.eventing;
import java.io.IOException;
import java.io.InputStream;
import javax.servlet.http.HttpServlet;
import javax.xml.soap.SOAPBody;
import javax.xml.soap.SOAPException;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import com.sun.ws.management.Management;
/**
* Abstract class representing an event sink.
*
* @author dcalavera
*/
public abstract class AbstractSink extends HttpServlet
{
/**
*
*/
private static final long serialVersionUID = -1012848931629594658L;
protected Node getNode(InputStream input) throws IOException, SOAPException, EventingException
{
Management man = new Management(input);
SOAPBody body = man.getBody();
Node eventNode = body.getFirstChild();
if (eventNode == null || body.hasFault())
{
throw new EventingException("An unknown event was received and is not being treated");
}
return eventNode;
}
protected String getAttributeString(NamedNodeMap eventAttributes, String prefix, String value)
{
String retu = null;
Node node = eventAttributes.getNamedItem(prefix + ":" + value);
if (node == null)
{
Node namedItem = eventAttributes.getNamedItem(value);
if (namedItem != null)
{
retu = namedItem.getNodeValue();
}
}
else
{
retu = node.getNodeValue();
}
return retu;
}
}