com.liferay.portal.kernel.test.CaptureHandler Maven / Gradle / Ivy
/**
* Copyright (c) 2000-present Liferay, Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 2.1 of the License, or (at your option)
* any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*/
package com.liferay.portal.kernel.test;
import com.liferay.portal.kernel.util.StringBundler;
import java.io.Closeable;
import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.logging.Handler;
import java.util.logging.Level;
import java.util.logging.LogRecord;
import java.util.logging.Logger;
/**
* @author Shuyang Zhou
*/
public class CaptureHandler extends Handler implements Closeable {
public CaptureHandler(Logger logger, Level level) {
_logger = logger;
_handlers = logger.getHandlers();
_level = logger.getLevel();
_useParentHandlers = logger.getUseParentHandlers();
for (Handler handler : _handlers) {
logger.removeHandler(handler);
}
logger.setLevel(level);
logger.setUseParentHandlers(false);
}
@Override
public void close() {
_logRecords.clear();
_logger.removeHandler(this);
for (Handler handler : _handlers) {
_logger.addHandler(handler);
}
_logger.setLevel(_level);
_logger.setUseParentHandlers(_useParentHandlers);
}
@Override
public void flush() {
_logRecords.clear();
}
public List getLogRecords() {
return _logRecords;
}
@Override
public boolean isLoggable(LogRecord logRecord) {
return false;
}
@Override
public void publish(LogRecord logRecord) {
_logRecords.add(new PrintableLogRecord(logRecord));
}
public List resetLogLevel(Level level) {
_logRecords.clear();
_logger.setLevel(level);
return _logRecords;
}
private final Handler[] _handlers;
private final Level _level;
private final Logger _logger;
private final List _logRecords = new CopyOnWriteArrayList<>();
private final boolean _useParentHandlers;
private static class PrintableLogRecord extends LogRecord {
@Override
public String toString() {
StringBundler sb = new StringBundler(5);
sb.append("{level=");
sb.append(getLevel());
sb.append(", message=");
sb.append(getMessage());
sb.append("}");
return sb.toString();
}
private PrintableLogRecord(LogRecord logRecord) {
super(logRecord.getLevel(), logRecord.getMessage());
setLoggerName(logRecord.getLoggerName());
setMillis(logRecord.getMillis());
setParameters(logRecord.getParameters());
setResourceBundle(logRecord.getResourceBundle());
setResourceBundleName(logRecord.getResourceBundleName());
setSequenceNumber(logRecord.getSequenceNumber());
setSourceClassName(logRecord.getSourceClassName());
setSourceMethodName(logRecord.getSourceMethodName());
setThreadID(logRecord.getThreadID());
setThrown(logRecord.getThrown());
}
}
}