--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/org/tn5250j/tools/logging/TN5250jLogger.java	Thu May 22 12:38:09 2014 -0700
@@ -0,0 +1,133 @@
+/*
+ * @(#)TN5250jLogger.java
+ * @author  Kenneth J. Pouncey
+ *
+ * Copyright:    Copyright (c) 2001, 2002, 2003
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this software; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+ * Boston, MA 02111-1307 USA
+ *
+ */
+package org.tn5250j.tools.logging;
+
+/**
+ * An interface defining generic loggers.
+ */
+public interface TN5250jLogger {
+
+	// debug levels - The levels work from lower to higher. The lower levels
+	// will be activated by turning on a higher level
+	public static final int DEBUG = 1;	// most verbose
+	public static final int INFO  = 2;
+	public static final int WARN  = 4;  // medium verbose, should be choosen for deployment 
+	public static final int ERROR = 8;
+	public static final int FATAL = 16;
+	public static final int OFF   = 32;  // most silence
+
+	/**
+	 * @param clazz
+	 */
+	abstract public void initialize(final String clazz);
+
+	/**
+	 * @param message
+	 */
+	abstract public void debug(Object message);
+
+	/**
+	 * @param message
+	 * @param throwable
+	 */
+	abstract public void debug(Object message, Throwable throwable);
+
+	abstract public void info(Object message);
+
+	/**
+	 * @param message
+	 * @param throwable
+	 */
+	abstract public void info(Object message, Throwable throwable);
+
+	/**
+	 * @param message
+	 */
+	abstract public void warn(Object message);
+
+	/**
+	 * @param message
+	 * @param throwable
+	 */
+	abstract public void warn(Object message, Throwable throwable);
+
+	/**
+	 * @param message
+	 */
+	abstract public void error(Object message);
+
+	/**
+	 * @param message
+	 * @param throwable
+	 */
+	abstract public void error(Object message, Throwable throwable);
+
+	/**
+	 * @param message
+	 */
+	abstract public void fatal(Object message);
+
+	/**
+	 * @param message
+	 * @param throwable
+	 */
+	abstract public void fatal(Object message, Throwable throwable);
+
+	/**
+	 * @return
+	 */
+	abstract public boolean isDebugEnabled();
+
+	/**
+	 * @return
+	 */
+	abstract public boolean isInfoEnabled();
+
+	/**
+	 * @return
+	 */
+	abstract public boolean isWarnEnabled();
+
+	/**
+	 * @return
+	 */
+	abstract public boolean isErrorEnabled();
+
+	/**
+	 * @return
+	 */
+	abstract public boolean isFatalEnabled();
+
+	/**
+	 * Sets a new log level.
+	 * @param newLevel
+	 * @throws IllegalArgumentException If the new level is not allowed
+	 */
+	abstract public void setLevel(int newLevel);
+
+	/**
+	 * @return The current log level.
+	 */
+	abstract public int getLevel();
+
+}
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