added missing file

src/filtered-java/org/slf4j/Logger.java

@@ -0,0 +1,104 @@
+/* 
+ * Copyright (c) 2004-2005 SLF4J.ORG
+ * 
+ * All rights reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to  deal in  the Software without  restriction, including
+ * without limitation  the rights to  use, copy, modify,  merge, publish,
+ * distribute, and/or sell copies of  the Software, and to permit persons
+ * to whom  the Software is furnished  to do so, provided  that the above
+ * copyright notice(s) and this permission notice appear in all copies of
+ * the  Software and  that both  the above  copyright notice(s)  and this
+ * permission notice appear in supporting documentation.
+ * 
+ * THE  SOFTWARE IS  PROVIDED  "AS  IS", WITHOUT  WARRANTY  OF ANY  KIND,
+ * EXPRESS OR  IMPLIED, INCLUDING  BUT NOT LIMITED  TO THE  WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR  A PARTICULAR PURPOSE AND NONINFRINGEMENT
+ * OF  THIRD PARTY  RIGHTS. IN  NO EVENT  SHALL THE  COPYRIGHT  HOLDER OR
+ * HOLDERS  INCLUDED IN  THIS  NOTICE BE  LIABLE  FOR ANY  CLAIM, OR  ANY
+ * SPECIAL INDIRECT  OR CONSEQUENTIAL DAMAGES, OR  ANY DAMAGES WHATSOEVER
+ * RESULTING FROM LOSS  OF USE, DATA OR PROFITS, WHETHER  IN AN ACTION OF
+ * CONTRACT, NEGLIGENCE  OR OTHER TORTIOUS  ACTION, ARISING OUT OF  OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ * 
+ * Except as  contained in  this notice, the  name of a  copyright holder
+ * shall not be used in advertising or otherwise to promote the sale, use
+ * or other dealings in this Software without prior written authorization
+ * of the copyright holder.
+ *
+ */
+
+package org.slf4j;
+
+/**
+ * 
+ * The main user inteface to logging. It is expected that logging
+ * takes places through concerete implemetations of the Logger
+ * interface.
+ * 
+ * @author Ceki Gülcü
+ */
+public interface Logger {
+
+  /**
+   * Is the logger instance enabled for the DEBUG level?
+   * @return True if this Logger is enabled for the DEBUG level,
+   * false otherwise.
+   */
+  public boolean isDebugEnabled();
+  
+  /**
+   * Log a message object with the DEBUG level. 
+   * @param msg - the message object to be logged
+   */
+  public void debug(Object msg);
+  
+  
+  /**
+   * Log a parameterized message object at the DEBUG level. 
+   * 
+   * <p>This form is useful in avoiding the superflous object creation
+   * problem when invoking this method while it is disabled.
+   * </p>
+   * @param parameterizedMsg - the parameterized message object
+   * @param param1 - the parameter 
+   */
+  public void debug(Object parameterizedMsg, Object param1);
+  
+  /**
+   * Log a parameterized message object at the DEBUG level. 
+   * 
+   * <p>This form is useful in avoiding the superflous object creation
+   * problem when invoking this method while it is disabled.
+   * </p>
+   * @param parameterizedMsg - the parameterized message object
+   * @param param1 - the first parameter 
+   * @param param2 - the second parameter 
+   */
+  public void debug(String parameterizedMsg, Object param1, Object param2);
+  public void debug(Object msg, Throwable t);
+
+
+  public boolean isInfoEnabled();
+  public void info(Object msg);
+  public void info(Object parameterizedMsg, Object param1);
+  public void info(String parameterizedMsg, Object param1, Object param2);
+  public void info(Object msg, Throwable t);
+
+
+  public boolean isWarnEnabled();
+  public void warn(Object msg);
+  public void warn(Object parameterizedMsg, Object param1);
+  public void warn(String parameterizedMsg, Object param1, Object param2);
+  public void warn(Object msg, Throwable t);
+
+
+  public boolean isErrorEnabled();
+  public void error(Object msg);
+  public void error(Object parameterizedMsg, Object param1);
+  public void error(String parameterizedMsg, Object param1, Object param2);
+  public void error(Object msg, Throwable t);
+
+}