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package org.unidal.lookup.logging;

/*
 * Copyright 2001-2006 Codehaus Foundation.
 *
 * 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.
 */

/**
 * @author Jason van Zyl
 * @author Trygve Laugstøl
 * @version $Id$
 */
public interface Logger {
	/** Typecode for debugging messages. */
	int LEVEL_DEBUG = 0;

	/** Typecode for informational messages. */
	int LEVEL_INFO = 1;

	/** Typecode for warning messages. */
	int LEVEL_WARN = 2;

	/** Typecode for error messages. */
	int LEVEL_ERROR = 3;

	/** Typecode for disabled log levels. */
	int LEVEL_DISABLED = 4;

	void debug(String message);

	void debug(String message, Throwable throwable);

	void error(String message);

	void error(String message, Throwable throwable);

	String getName();

	int getThreshold();

	void info(String message);

	void info(String message, Throwable throwable);

	boolean isDebugEnabled();

	boolean isErrorEnabled();

	boolean isInfoEnabled();

	boolean isWarnEnabled();

	void setThreshold(int threshold);

	void warn(String message);

	void warn(String message, Throwable throwable);
}