com.google.gwt.logging.client.RemoteLogHandlerBase Maven / Gradle / Ivy
/*
* 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 excludedLoggerNames;
protected RemoteLogHandlerBase() {
excludedLoggerNames = new ArrayList();
excludedLoggerNames.add(WIRE_LOGGER_NAME);
}
protected RemoteLogHandlerBase(List 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()));
}
}