/*
* Copyright 2008 Jeff Dwyer
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.apress.progwt.client.rpc;
import com.allen_sauer.gwt.log.client.Log;
import com.apress.progwt.client.college.gui.ext.AlertDialog;
import com.apress.progwt.client.college.gui.status.StatusPanel;
import com.apress.progwt.client.college.gui.status.StatusPanel.StatusCode;
import com.apress.progwt.client.exception.SiteException;
import com.apress.progwt.client.exception.SiteSecurityException;
import com.google.gwt.user.client.rpc.AsyncCallback;
/**
* Std Wrapper.
*
* Use this when you'd liek to visualize the progress of your asynchronous
* call.
*
* Make sure to call super.onSuccess() when you override so we can clean
* up the status window.
*
* NOTE: the StatusPanel is set statically as a convenience. You should do
* this while your application is bootstrapping.
*
* @author Jeff Dwyer
*
*/
public class StdAsyncCallback<T> implements AsyncCallback<T> {
private static StatusPanel manager;
public static void setManager(StatusPanel manager) {
StdAsyncCallback.manager = manager;
}
private static int callNum = 0;
private String call;
private int myNum;
public StdAsyncCallback(String call) {
this.call = call;
myNum = callNum++;
if (manager != null)
manager.update(myNum, call, StatusCode.SEND);
}
public void onFailure(Throwable caught) {
Log.warn(call + " failed! " + caught + " " + caught.getMessage());
// StackTraceElement[] str = caught.getStackTrace();
// Logger.log("stack trace size " + str.length);
// for (int i = 0; i < str.length; i++) {
// Logger.log(str[i].toString());
// }
if (caught.getMessage() != null) {
if (caught.getMessage().startsWith("Username not found")) {
AlertDialog.alert("Need Login " + caught);
}
}
if (caught instanceof SiteSecurityException) {
AlertDialog.alert("Access Exception " + caught);
}
if (manager != null) {
try {
SiteException hbe = (SiteException) caught;
manager.update(myNum, call + " fail " + hbe.getMessage(),
StatusCode.FAIL);
} catch (Exception e) {
manager.update(myNum, call, StatusCode.FAIL);
}
}
}
public void onSuccess(T result) {
if (manager != null) {
manager.update(myNum, call, StatusCode.SUCCESS);
}
}
public void setCall(String call) {
this.call = call;
}
}