org.overlord.sramp.ui.client.util
Class RemoteServiceAsyncCallback<T>

java.lang.Object
  org.overlord.sramp.ui.client.util.RemoteServiceAsyncCallback<T>

All Implemented Interfaces:

com.google.gwt.user.client.rpc.AsyncCallback<T>

public abstract class RemoteServiceAsyncCallback<T>
extends Object
implements com.google.gwt.user.client.rpc.AsyncCallback<T>

Base class for UI async handlers that does some basic error processing.

Author:

eric.wittmann@redhat.com

Constructor Summary

RemoteServiceAsyncCallback()
Constructor.

Method Summary

void	onFailure(Throwable caught)
protected void	onIncompatibleRemoteServiceFailure(com.google.gwt.user.client.rpc.IncompatibleRemoteServiceException caught) Subclasses can override if they choose - handles the case when the remote service is incompatible with the client.
protected abstract void	onRemoteServiceFailure(RemoteServiceException caught) Subclasses must implement this to handle the 'typical' case where an exception is thrown from a remote service.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface com.google.gwt.user.client.rpc.AsyncCallback

onSuccess

Constructor Detail

RemoteServiceAsyncCallback

public RemoteServiceAsyncCallback()

Constructor.

Method Detail

onFailure

public final void onFailure(Throwable caught)

Specified by:

onFailure in interface com.google.gwt.user.client.rpc.AsyncCallback<T>

See Also:

AsyncCallback.onFailure(java.lang.Throwable)

onIncompatibleRemoteServiceFailure

protected void onIncompatibleRemoteServiceFailure(com.google.gwt.user.client.rpc.IncompatibleRemoteServiceException caught)

Subclasses can override if they choose - handles the case when the remote service is incompatible with the client. This can happen when the server is updated but the client is not. By default this method will display an error dialog to the user, prompting them to refresh the browser.

Parameters:

caught -

onRemoteServiceFailure

protected abstract void onRemoteServiceFailure(RemoteServiceException caught)

Subclasses must implement this to handle the 'typical' case where an exception is thrown from a remote service.

Parameters:

caught -