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/*
* ProgressObjectIimplWithError.java
*
* Created on August 13, 2004, 9:53 AM
*/
package com.sun.enterprise.deployapi;
import java.util.Vector;
import java.util.Iterator;
import javax.enterprise.deploy.spi.status.DeploymentStatus;
import javax.enterprise.deploy.spi.status.ProgressObject;
import javax.enterprise.deploy.spi.status.ProgressEvent;
import javax.enterprise.deploy.spi.exceptions.OperationUnsupportedException;
import javax.enterprise.deploy.spi.status.ProgressListener;
import javax.enterprise.deploy.shared.StateType;
/**
*Implements a progress object primarily intended to report an error during a DeploymentManager
*method invocation.
* @author tjquinn
*/
public class SimpleProgressObjectImpl implements ProgressObject {
/** Records registered listeners */
private Vector listeners = new Vector();
/**
*Records all events delivered so late-registering listeners will be informed of all past events
*as well as future ones.
*/
protected Vector deliveredEvents = new Vector();
/** Records the deployment status. Normally of type DeploymentStatusWithError */
private DeploymentStatus deploymentStatus = null;
/** Creates a new instance of ProgressObjectIimplWithError */
public SimpleProgressObjectImpl(DeploymentStatus deploymentStatus) {
this.deploymentStatus = deploymentStatus;
}
/**
*Registers a listener for progress events.
*@param new progress listener
*/
public void addProgressListener(javax.enterprise.deploy.spi.status.ProgressListener progressListener) {
synchronized (listeners) {
listeners.add(progressListener);
if (deliveredEvents.size() > 0) {
for (Iterator i = deliveredEvents.iterator(); i.hasNext();) {
progressListener.handleProgressEvent((ProgressEvent)i.next());
}
}
}
}
public void cancel() throws javax.enterprise.deploy.spi.exceptions.OperationUnsupportedException {
throw new OperationUnsupportedException("cancel not supported");
}
public javax.enterprise.deploy.spi.status.ClientConfiguration getClientConfiguration(javax.enterprise.deploy.spi.TargetModuleID targetModuleID) {
return null;
}
public javax.enterprise.deploy.spi.status.DeploymentStatus getDeploymentStatus() {
return deploymentStatus;
}
public javax.enterprise.deploy.spi.TargetModuleID[] getResultTargetModuleIDs() {
return new javax.enterprise.deploy.spi.TargetModuleID[0];
}
public boolean isCancelSupported() {
return false;
}
public boolean isStopSupported() {
return false;
}
/**
*Unregister a previously-registered event listener.
*@param the listener to unregister
*/
public void removeProgressListener(javax.enterprise.deploy.spi.status.ProgressListener progressListener) {
synchronized (listeners) {
listeners.remove(progressListener);
}
}
public void stop() throws javax.enterprise.deploy.spi.exceptions.OperationUnsupportedException {
throw new OperationUnsupportedException("stop not supported");
}
/**
* Notifies all listeners that have registered interest for ProgressEvent notification.
*/
protected void fireProgressEvent(ProgressEvent progressEvent) {
Vector currentListeners = null;
synchronized (listeners) {
currentListeners = (Vector) listeners.clone();
deliveredEvents.add(progressEvent);
}
for (Iterator listenersItr = currentListeners.iterator(); listenersItr.hasNext();) {
((ProgressListener)listenersItr.next()).handleProgressEvent(progressEvent);
}
currentListeners = null;
}
}