| // Copyright (C) 2008 The Android Open Source Project |
| // |
| // 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.google.gerrit.client.rpc; |
| |
| import com.google.gerrit.client.ErrorDialog; |
| import com.google.gerrit.client.Gerrit; |
| import com.google.gwt.core.client.GWT; |
| import com.google.gwt.user.client.rpc.AsyncCallback; |
| import com.google.gwtjsonrpc.client.RemoteJsonException; |
| import com.google.gwtjsonrpc.client.ServerUnavailableException; |
| |
| /** Abstract callback handling generic error conditions automatically */ |
| public abstract class GerritCallback<T> implements AsyncCallback<T> { |
| public void onFailure(final Throwable caught) { |
| if (isNotSignedIn(caught)) { |
| new ErrorDialog(RpcConstants.C.errorNotSignedIn()).center(); |
| |
| } else if (isNoSuchEntity(caught)) { |
| new ErrorDialog(Gerrit.C.notFoundBody()).center(); |
| |
| } else if (isNoSuchAccount(caught)) { |
| final String msg = caught.getMessage(); |
| final String who = msg.substring(NoSuchAccountException.MESSAGE.length()); |
| final ErrorDialog d = new ErrorDialog(Gerrit.M.noSuchAccountMessage(who)); |
| d.setText(Gerrit.C.noSuchAccountTitle()); |
| d.center(); |
| |
| } else if (isNameAlreadyUsed(caught)) { |
| new ErrorDialog(Gerrit.C.nameAlreadyUsedBody()).center(); |
| |
| } else if (caught instanceof ServerUnavailableException) { |
| new ErrorDialog(RpcConstants.C.errorServerUnavailable()).center(); |
| |
| } else { |
| GWT.log(getClass().getName() + " caught " + caught, caught); |
| new ErrorDialog(caught).center(); |
| } |
| } |
| |
| public static boolean isNotSignedIn(final Throwable caught) { |
| if (caught instanceof NotSignedInException) { |
| return true; |
| } |
| return caught instanceof RemoteJsonException |
| && caught.getMessage().equals(NotSignedInException.MESSAGE); |
| } |
| |
| public static boolean isNoSuchEntity(final Throwable caught) { |
| if (caught instanceof NoSuchEntityException) { |
| return true; |
| } |
| return caught instanceof RemoteJsonException |
| && caught.getMessage().equals(NoSuchEntityException.MESSAGE); |
| } |
| |
| public static boolean isNoSuchAccount(final Throwable caught) { |
| if (caught instanceof NoSuchAccountException) { |
| return true; |
| } |
| return caught instanceof RemoteJsonException |
| && caught.getMessage().startsWith(NoSuchAccountException.MESSAGE); |
| } |
| |
| public static boolean isNameAlreadyUsed(final Throwable caught) { |
| if (caught instanceof NameAlreadyUsedException) { |
| return true; |
| } |
| return caught instanceof RemoteJsonException |
| && caught.getMessage().equals(NameAlreadyUsedException.MESSAGE); |
| } |
| } |