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   package net.sf.panoptes.model.component.jmx;
   
   import java.util.Collection;
   import java.util.HashMap;
   
   import javax.management.Attribute;
   import javax.management.AttributeNotFoundException;
   import javax.management.InstanceNotFoundException;
   import javax.management.MBeanAttributeInfo;
  import javax.management.MBeanException;
  import javax.management.MBeanInfo;
  import javax.management.MBeanOperationInfo;
  import javax.management.ObjectName;
  import javax.management.ReflectionException;
  
  import net.sf.panoptes.model.component.Component;
  import net.sf.panoptes.model.node.NodeDescriptor;
  import net.sf.panoptes.model.node.INode;
  
  /***
   * MBeanComponent.java
   * 
   * Wraps an MBean and implements helper methods. Original code by Stefan Groschupf(sg@media-style.com). 
   * 
   * @author   Dag Liodden
   * @version  0.1
   * 
   */
  
  public class MBeanComponent extends Component {
  
  	private MBeanServerComponent server;
  	private HashMap mBeanAttributes = null;
  	private HashMap mBeanOperations = null;
  	private ObjectName mBeanName;
  	private MBeanInfo mBeanInfo;
  
  	/***
  	 * Constructor for MBeanComponent.
  	 */
  	public MBeanComponent(MBeanInfo beanInfo, MBeanServerComponent server, ObjectName name) {
  		setMBeanInfo(beanInfo);
  		setName(name);
  		this.server = server;
  	}
  	
  	/***
  	 * Method setName.
  	 * @param name
  	 */
  	private void setName(ObjectName name) {
  		this.mBeanName = name;
  	}
  	/***
  	 * Method getAttributes.
  	 * @return Attribute[]
  	 */
  	public Attribute[] getAttributes() {
  		Collection collection = this.getMBeanAttributes().values();
  		return (Attribute[]) collection.toArray(new Attribute[collection.size()]);
  
  	}
  	/***
  	 * Method getOperations.
  	 */
  	public Operation[] getOperations() {
  		Collection collection = getMBeanOperations().values();
  		return (Operation[]) collection.toArray(new Operation[collection.size()]);
  
  	}
  	/***
  	 * Method setMBeanInfo.
  	 * @param info
  	 */
  	public void setMBeanInfo(MBeanInfo info) {
  		this.mBeanInfo = info;
  	}
  
  	public MBeanServerComponent getServer() {
  		return server;
  	}
  
  	/***
  	 * Method refresh.
  	 */
  	public void refresh() {
  		refreshOperations();
  		refreshAttributes();
  	}
  	/***
  	 * Method refreshAttributes.
  	 */
  	private void refreshAttributes() {
  		MBeanAttributeInfo[] at = mBeanInfo.getAttributes();
  		mBeanAttributes = new HashMap();
  
  		for (int i = 0; i < at.length; i++) {
  			Attribute attribute = new Attribute(at[i].getName(), getAttributeValue(at[i].getName()));
  //			Attribute attribute = new Attribute(at[i].getName(), this);
 			getMBeanAttributes().put(attribute.getName(), attribute);
 		}
 	}
 	/***
 	 * Method getAttrbuteValue.
 	 * @param string
 	 */
 	private void getAttrbuteValue(String string) {
 	}
 	/***
 	 * Method refreshOperations.
 	 */
 	private void refreshOperations() {
 		//operations
 		MBeanOperationInfo[] op = mBeanInfo.getOperations();
 		mBeanOperations = new HashMap();
 
 		for (int k = 0; k < op.length; k++) {
 			Operation operation = new Operation(op[k], this);
 			getMBeanOperations().put(operation.getName(), operation);
 		}
 
 	}
 
 
 	public ObjectName getObjectName() {
 		return this.mBeanName;
 
 	}
 	public String toString() {
 		return this.mBeanName.toString();
 	}
 	/***
 	 * Method countAttributes.
 	 * @return int
 	 */
 	public int countAttributes() {
 		return getMBeanAttributes().size();
 	}
 
 
 	private HashMap getMBeanAttributes() {
 		if (mBeanAttributes == null) refreshAttributes();
 		return mBeanAttributes;
 	}
 
 	private HashMap getMBeanOperations() {
 		if (mBeanOperations == null) refreshOperations();
 		return mBeanOperations;
 	}
 
 	//	property stuff.
 
 	/***
 	 * @see org.eclipse.ui.views.properties.IPropertySource#getEditableValue()
 	 */
 	public Object getEditableValue() {
 		return null;
 	}
 
 	/***
 	 * Method getAttrbute.
 	 * @param string
 	 * @return String
 	 */
 	public Object getAttributeValue(String attributeName) {
 		Object value = null;
 		try {
 			ObjectName objectName = getObjectName();
 			value = server.getConnector().getAttribute(objectName, attributeName);
 		} catch (AttributeNotFoundException e) {
 		} catch (InstanceNotFoundException e) {
 		} catch (MBeanException e) {
 		} catch (ReflectionException e) {
 			System.err.println("cant get Attribute" + e);
 		}
 		return value;
 	}
 		
 	public void setAttrbuteValue(String attributeName, Object value) {
 
 		/*RMIConnectorImpl server = getParent().getServer();
 		ObjectName objectName = getObjectName();
 		javax.management.Attribute attribute = new javax.management.Attribute(attributeName, value);
 		try {
 			server.setAttribute(objectName, attribute);
 		} catch (InstanceNotFoundException e) {
 			System.err.println("InstanceNotFoundException "+e);
 		} catch (AttributeNotFoundException e) {
 			System.err.println("AttributeNotFoundException " +e);
 		} catch (InvalidAttributeValueException e) {
 			System.err.println("InvalidAttributeValueException " + e);
 		} catch (MBeanException e) {
 			System.err.println("MBeanException" + e);
 		} catch (ReflectionException e) {
 			System.err.println("ReflectionException" +e);
 		}
 		
 		*/
 	}
 	
 	
 	/***
 	 * @see com.gllt.troodon.console.INode#getIconName()
 	 */
 	public String getIconName() {
 		return INode.ICON_MBEAN;
 	}
 	
 	/***
 	 * @see com.gllt.troodon.console.INode#getConfigDescriptor()
 	 */
 	public NodeDescriptor getConfigDescriptor() {
 		String name = getObjectName().getCanonicalName();
 		name = name.substring(name.indexOf(':') + 1);
 		return new NodeDescriptor(
 			name,
 			getObjectName().toString());
 	}
 	
 }