AttributeMappingsBinding.java :  » EJB-Server » JBoss-6.0.0 » org » jboss » jmx » adaptor » snmp » agent » Java Open Source

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 * Copyright 2008, Red Hat Middleware LLC, and individual contributors
 * as indicated by the @author tags. See the copyright.txt file 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.jmx.adaptor.snmp.agent;

import java.util.ArrayList;

import org.jboss.jmx.adaptor.snmp.config.attribute.AttributeMappings;
import org.jboss.jmx.adaptor.snmp.config.attribute.ManagedBean;
import org.jboss.jmx.adaptor.snmp.config.attribute.MappedAttribute;
import org.jboss.logging.Logger;
import org.jboss.xb.binding.ObjectModelFactory;
import org.jboss.xb.binding.UnmarshallingContext;
import org.xml.sax.Attributes;

/**
 * Parse the mapping of JMX mbean attributes to SNMP OIDs
 * 
 * @author <a href="mailto:hwr@pilhuhn.de">Heiko W. Rupp</a>
 * @version $Revision: 81038 $
 */
public class AttributeMappingsBinding implements ObjectModelFactory
{
   private static Logger log = Logger.getLogger(AttributeMappingsBinding.class);
  
  public Object newRoot(Object root, UnmarshallingContext ctx,
      String namespaceURI, String localName, Attributes attrs)
   {
     if (!localName.equals("attribute-mappings"))
      {
        throw new IllegalStateException("Unexpected root " + localName + ". Expected <attribute-mappings>");
    }
     return new AttributeMappings();
  }

  public Object completeRoot(Object root, UnmarshallingContext ctx, String uri, String name)
   {
     return root;
  }

  public void setValue(AttributeMappings mappings, UnmarshallingContext navigator,
          String namespaceUri, String localName, String value)
  {
  }  
  
  public Object newChild(AttributeMappings mappings, UnmarshallingContext navigator,
      String namespaceUri, String localName, Attributes attrs)
  {
    if ("mbean".equals(localName))
      {
      String name = attrs.getValue("name");
      String oidPrefix = attrs.getValue("oid-prefix");
      ManagedBean child = new ManagedBean();
      child.setName(name);
      child.setOidPrefix(oidPrefix);
      if (log.isTraceEnabled())
        log.trace("newChild: " + child.toString());
      return child;
    }
    return null;
  }
  
  public void addChild(AttributeMappings mappings, ManagedBean mbean,
      UnmarshallingContext navigator, String namespaceURI, String localName) 
  {
    mappings.addMonitoredMBean(mbean);
  }
  
  public Object newChild(ManagedBean mbean, UnmarshallingContext navigator,
      String namespaceUri, String localName, Attributes attrs)
  {
    
    MappedAttribute attribute = null;
    if ("attribute".equals(localName)) {
      String oid = attrs.getValue("oid");
      String name = attrs.getValue("name");
      String mode = attrs.getValue("mode");
      attribute = new MappedAttribute();
      if ("rw".equalsIgnoreCase(mode))
            attribute.setReadWrite(true);
      attribute.setName(name);
      attribute.setOid(oid);
    }
    return attribute;
  }
  
  public void addChild(ManagedBean mbean, MappedAttribute attribute,
      UnmarshallingContext navigator, String namespaceURI, String localName)
  {
    if (mbean.getAttributes() == null)
         mbean.setAttributes(new ArrayList());
    
    mbean.getAttributes().add(attribute);
  }
}