| /* |
| * Copyright 2010 Google Inc. |
| * |
| * 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.gwt.logging.client; |
| |
| import com.google.gwt.core.client.GWT; |
| import com.google.gwt.logging.shared.RemoteLoggingService; |
| import com.google.gwt.logging.shared.RemoteLoggingServiceAsync; |
| import com.google.gwt.user.client.rpc.AsyncCallback; |
| |
| import java.util.logging.Level; |
| import java.util.logging.LogRecord; |
| |
| /** |
| * A very simple handler which sends messages to the server via GWT RPC to be |
| * logged. Note that this logger does not do any intelligent batching of RPC's, |
| * nor does it disable when the RPC calls fail repeatedly. |
| */ |
| public final class SimpleRemoteLogHandler extends RemoteLogHandlerBase { |
| class DefaultCallback implements AsyncCallback<String> { |
| public void onFailure(Throwable caught) { |
| wireLogger.log(Level.SEVERE, "Remote logging failed: ", caught); |
| } |
| public void onSuccess(String result) { |
| if (result != null) { |
| wireLogger.severe("Remote logging failed: " + result); |
| } else { |
| wireLogger.finest("Remote logging message acknowledged"); |
| } |
| } |
| } |
| |
| private AsyncCallback<String> callback; |
| private RemoteLoggingServiceAsync service; |
| |
| public SimpleRemoteLogHandler() { |
| service = (RemoteLoggingServiceAsync) GWT.create(RemoteLoggingService.class); |
| this.callback = new DefaultCallback(); |
| } |
| |
| @Override |
| public void publish(LogRecord record) { |
| if (isLoggable(record)) { |
| service.logOnServer(record, callback); |
| } |
| } |
| } |