| /* |
| * 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 java.util.ArrayList; |
| import java.util.List; |
| import java.util.logging.Handler; |
| import java.util.logging.LogRecord; |
| import java.util.logging.Logger; |
| |
| /** |
| * Base class for Logging handlers that send records to the server. |
| */ |
| public abstract class RemoteLogHandlerBase extends Handler { |
| protected static final String WIRE_LOGGER_NAME = "WireActivityLogger"; |
| |
| // A separate logger for wire activity, which does not get logged |
| // by the remote log handler, so we avoid infinite loops. |
| protected static Logger wireLogger = Logger.getLogger(WIRE_LOGGER_NAME); |
| |
| private boolean closed = false; |
| |
| private List<String> excludedLoggerNames; |
| protected RemoteLogHandlerBase() { |
| excludedLoggerNames = new ArrayList<String>(); |
| excludedLoggerNames.add(WIRE_LOGGER_NAME); |
| } |
| |
| protected RemoteLogHandlerBase(List<String> excludedLoggerNames) { |
| this.excludedLoggerNames = excludedLoggerNames; |
| this.excludedLoggerNames.add(WIRE_LOGGER_NAME); |
| } |
| |
| @Override |
| public void close() { |
| closed = true; |
| } |
| |
| @Override |
| public void flush() { |
| // No action needed |
| } |
| |
| @Override |
| public boolean isLoggable(LogRecord record) { |
| // The number of excludedLoggerNames is expected to be small (2-3 at most) |
| // but in theory, clients could put lots of names in the list. |
| // TODO(unnurg): consider implementing this search with a map rather than |
| // a list, depending on the JS size implications of including a map. |
| return (!closed && super.isLoggable(record) && |
| !excludedLoggerNames.contains(record.getLoggerName())); |
| } |
| } |