- /*
- * The Apache Software License, Version 1.1
- *
- * Copyright (c) 1999 The Apache Software Foundation. All rights
- * reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. The end-user documentation included with the redistribution, if
- * any, must include the following acknowlegement:
- * "This product includes software developed by the
- * Apache Software Foundation (http://www.apache.org/)."
- * Alternately, this acknowlegement may appear in the software itself,
- * if and wherever such third-party acknowlegements normally appear.
- *
- * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
- * Foundation" must not be used to endorse or promote products derived
- * from this software without prior written permission. For written
- * permission, please contact apache@apache.org.
- *
- * 5. Products derived from this software may not be called "Apache"
- * nor may "Apache" appear in their names without prior written
- * permission of the Apache Group.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- * ====================================================================
- *
- * This software consists of voluntary contributions made by many
- * individuals on behalf of the Apache Software Foundation. For more
- * information on the Apache Software Foundation, please see
- * <http://www.apache.org/>.
- *
- */
-
- package org.apache.commons.el;
-
- import java.io.PrintStream;
- import java.text.MessageFormat;
- import javax.servlet.jsp.el.ELException;
-
- /**
- *
- * <p>The evaluator may pass an instance of this class to operators
- * and expressions during evaluation. They should use this to log any
- * warning or error messages that might come up. This allows all of
- * our logging policies to be concentrated in one class.
- *
- * <p>Errors are conditions that are severe enough to abort operation.
- * Warnings are conditions through which the operation may continue,
- * but which should be reported to the developer.
- *
- * @author Nathan Abramson - Art Technology Group
- * @version $Change: 181177 $$DateTime: 2001/06/26 08:45:09 $$Author: luehe $
- **/
-
- public class Logger
- {
- //-------------------------------------
- // Member variables
- //-------------------------------------
-
- PrintStream mOut;
-
- //-------------------------------------
- /**
- *
- * Constructor
- *
- * @param pOut the PrintStream to which warnings should be printed
- **/
- public Logger (PrintStream pOut)
- {
- mOut = pOut;
- }
-
- //-------------------------------------
- /**
- *
- * Returns true if the application should even bother to try logging
- * a warning.
- **/
- public boolean isLoggingWarning ()
- {
- return false;
- }
-
- //-------------------------------------
- /**
- *
- * Logs a warning
- **/
- public void logWarning (String pMessage,
- Throwable pRootCause)
- throws ELException
- {
- if (isLoggingWarning ()) {
- if (pMessage == null) {
- System.out.println (pRootCause);
- }
- else if (pRootCause == null) {
- System.out.println (pMessage);
- }
- else {
- System.out.println (pMessage + ": " + pRootCause);
- }
- }
- }
-
- //-------------------------------------
- /**
- *
- * Logs a warning
- **/
- public void logWarning (String pTemplate)
- throws ELException
- {
- if (isLoggingWarning ()) {
- logWarning (pTemplate, null);
- }
- }
-
- //-------------------------------------
- /**
- *
- * Logs a warning
- **/
- public void logWarning (Throwable pRootCause)
- throws ELException
- {
- if (isLoggingWarning ()) {
- logWarning (null, pRootCause);
- }
- }
-
- //-------------------------------------
- /**
- *
- * Logs a warning
- **/
- public void logWarning (String pTemplate,
- Object pArg0)
- throws ELException
- {
- if (isLoggingWarning ()) {
- logWarning
- (MessageFormat.format
- (pTemplate,
- new Object [] {
- "" + pArg0,
- }));
- }
- }
-
- //-------------------------------------
- /**
- *
- * Logs a warning
- **/
- public void logWarning (String pTemplate,
- Throwable pRootCause,
- Object pArg0)
- throws ELException
- {
- if (isLoggingWarning ()) {
- logWarning
- (MessageFormat.format
- (pTemplate,
- new Object [] {
- "" + pArg0,
- }),
- pRootCause);
- }
- }
-
- //-------------------------------------
- /**
- *
- * Logs a warning
- **/
- public void logWarning (String pTemplate,
- Object pArg0,
- Object pArg1)
- throws ELException
- {
- if (isLoggingWarning ()) {
- logWarning
- (MessageFormat.format
- (pTemplate,
- new Object [] {
- "" + pArg0,
- "" + pArg1,
- }));
- }
- }
-
- //-------------------------------------
- /**
- *
- * Logs a warning
- **/
- public void logWarning (String pTemplate,
- Throwable pRootCause,
- Object pArg0,
- Object pArg1)
- throws ELException
- {
- if (isLoggingWarning ()) {
- logWarning
- (MessageFormat.format
- (pTemplate,
- new Object [] {
- "" + pArg0,
- "" + pArg1,
- }),
- pRootCause);
- }
- }
-
- //-------------------------------------
- /**
- *
- * Logs a warning
- **/
- public void logWarning (String pTemplate,
- Object pArg0,
- Object pArg1,
- Object pArg2)
- throws ELException
- {
- if (isLoggingWarning ()) {
- logWarning
- (MessageFormat.format
- (pTemplate,
- new Object [] {
- "" + pArg0,
- "" + pArg1,
- "" + pArg2,
- }));
- }
- }
-
- //-------------------------------------
- /**
- *
- * Logs a warning
- **/
- public void logWarning (String pTemplate,
- Throwable pRootCause,
- Object pArg0,
- Object pArg1,
- Object pArg2)
- throws ELException
- {
- if (isLoggingWarning ()) {
- logWarning
- (MessageFormat.format
- (pTemplate,
- new Object [] {
- "" + pArg0,
- "" + pArg1,
- "" + pArg2,
- }),
- pRootCause);
- }
- }
-
- //-------------------------------------
- /**
- *
- * Logs a warning
- **/
- public void logWarning (String pTemplate,
- Object pArg0,
- Object pArg1,
- Object pArg2,
- Object pArg3)
- throws ELException
- {
- if (isLoggingWarning ()) {
- logWarning
- (MessageFormat.format
- (pTemplate,
- new Object [] {
- "" + pArg0,
- "" + pArg1,
- "" + pArg2,
- "" + pArg3,
- }));
- }
- }
-
- //-------------------------------------
- /**
- *
- * Logs a warning
- **/
- public void logWarning (String pTemplate,
- Throwable pRootCause,
- Object pArg0,
- Object pArg1,
- Object pArg2,
- Object pArg3)
- throws ELException
- {
- if (isLoggingWarning ()) {
- logWarning
- (MessageFormat.format
- (pTemplate,
- new Object [] {
- "" + pArg0,
- "" + pArg1,
- "" + pArg2,
- "" + pArg3,
- }),
- pRootCause);
- }
- }
-
- //-------------------------------------
- /**
- *
- * Logs a warning
- **/
- public void logWarning (String pTemplate,
- Object pArg0,
- Object pArg1,
- Object pArg2,
- Object pArg3,
- Object pArg4)
- throws ELException
- {
- if (isLoggingWarning ()) {
- logWarning
- (MessageFormat.format
- (pTemplate,
- new Object [] {
- "" + pArg0,
- "" + pArg1,
- "" + pArg2,
- "" + pArg3,
- "" + pArg4,
- }));
- }
- }
-
- //-------------------------------------
- /**
- *
- * Logs a warning
- **/
- public void logWarning (String pTemplate,
- Throwable pRootCause,
- Object pArg0,
- Object pArg1,
- Object pArg2,
- Object pArg3,
- Object pArg4)
- throws ELException
- {
- if (isLoggingWarning ()) {
- logWarning
- (MessageFormat.format
- (pTemplate,
- new Object [] {
- "" + pArg0,
- "" + pArg1,
- "" + pArg2,
- "" + pArg3,
- "" + pArg4,
- }),
- pRootCause);
- }
- }
-
- //-------------------------------------
- /**
- *
- * Logs a warning
- **/
- public void logWarning (String pTemplate,
- Object pArg0,
- Object pArg1,
- Object pArg2,
- Object pArg3,
- Object pArg4,
- Object pArg5)
- throws ELException
- {
- if (isLoggingWarning ()) {
- logWarning
- (MessageFormat.format
- (pTemplate,
- new Object [] {
- "" + pArg0,
- "" + pArg1,
- "" + pArg2,
- "" + pArg3,
- "" + pArg4,
- "" + pArg5,
- }));
- }
- }
-
- //-------------------------------------
- /**
- *
- * Logs a warning
- **/
- public void logWarning (String pTemplate,
- Throwable pRootCause,
- Object pArg0,
- Object pArg1,
- Object pArg2,
- Object pArg3,
- Object pArg4,
- Object pArg5)
- throws ELException
- {
- if (isLoggingWarning ()) {
- logWarning
- (MessageFormat.format
- (pTemplate,
- new Object [] {
- "" + pArg0,
- "" + pArg1,
- "" + pArg2,
- "" + pArg3,
- "" + pArg4,
- "" + pArg5,
- }),
- pRootCause);
- }
- }
-
- //-------------------------------------
- /**
- *
- * Returns true if the application should even bother to try logging
- * an error.
- **/
- public boolean isLoggingError ()
- {
- return true;
- }
-
- //-------------------------------------
- /**
- *
- * Logs an error
- **/
- public void logError (String pMessage,
- Throwable pRootCause)
- throws ELException
- {
- if (isLoggingError ()) {
- if (pMessage == null) {
- throw new ELException (pRootCause);
- }
- else if (pRootCause == null) {
- throw new ELException (pMessage);
- }
- else {
- throw new ELException (pMessage, pRootCause);
- }
- }
- }
-
- //-------------------------------------
- /**
- *
- * Logs an error
- **/
- public void logError (String pTemplate)
- throws ELException
- {
- if (isLoggingError ()) {
- logError (pTemplate, null);
- }
- }
-
- //-------------------------------------
- /**
- *
- * Logs an error
- **/
- public void logError (Throwable pRootCause)
- throws ELException
- {
- if (isLoggingError ()) {
- logError (null, pRootCause);
- }
- }
-
- //-------------------------------------
- /**
- *
- * Logs an error
- **/
- public void logError (String pTemplate,
- Object pArg0)
- throws ELException
- {
- if (isLoggingError ()) {
- logError
- (MessageFormat.format
- (pTemplate,
- new Object [] {
- "" + pArg0,
- }));
- }
- }
-
- //-------------------------------------
- /**
- *
- * Logs an error
- **/
- public void logError (String pTemplate,
- Throwable pRootCause,
- Object pArg0)
- throws ELException
- {
- if (isLoggingError ()) {
- logError
- (MessageFormat.format
- (pTemplate,
- new Object [] {
- "" + pArg0,
- }),
- pRootCause);
- }
- }
-
- //-------------------------------------
- /**
- *
- * Logs an error
- **/
- public void logError (String pTemplate,
- Object pArg0,
- Object pArg1)
- throws ELException
- {
- if (isLoggingError ()) {
- logError
- (MessageFormat.format
- (pTemplate,
- new Object [] {
- "" + pArg0,
- "" + pArg1,
- }));
- }
- }
-
- //-------------------------------------
- /**
- *
- * Logs an error
- **/
- public void logError (String pTemplate,
- Throwable pRootCause,
- Object pArg0,
- Object pArg1)
- throws ELException
- {
- if (isLoggingError ()) {
- logError
- (MessageFormat.format
- (pTemplate,
- new Object [] {
- "" + pArg0,
- "" + pArg1,
- }),
- pRootCause);
- }
- }
-
- //-------------------------------------
- /**
- *
- * Logs an error
- **/
- public void logError (String pTemplate,
- Object pArg0,
- Object pArg1,
- Object pArg2)
- throws ELException
- {
- if (isLoggingError ()) {
- logError
- (MessageFormat.format
- (pTemplate,
- new Object [] {
- "" + pArg0,
- "" + pArg1,
- "" + pArg2,
- }));
- }
- }
-
- //-------------------------------------
- /**
- *
- * Logs an error
- **/
- public void logError (String pTemplate,
- Throwable pRootCause,
- Object pArg0,
- Object pArg1,
- Object pArg2)
- throws ELException
- {
- if (isLoggingError ()) {
- logError
- (MessageFormat.format
- (pTemplate,
- new Object [] {
- "" + pArg0,
- "" + pArg1,
- "" + pArg2,
- }),
- pRootCause);
- }
- }
-
- //-------------------------------------
- /**
- *
- * Logs an error
- **/
- public void logError (String pTemplate,
- Object pArg0,
- Object pArg1,
- Object pArg2,
- Object pArg3)
- throws ELException
- {
- if (isLoggingError ()) {
- logError
- (MessageFormat.format
- (pTemplate,
- new Object [] {
- "" + pArg0,
- "" + pArg1,
- "" + pArg2,
- "" + pArg3,
- }));
- }
- }
-
- //-------------------------------------
- /**
- *
- * Logs an error
- **/
- public void logError (String pTemplate,
- Throwable pRootCause,
- Object pArg0,
- Object pArg1,
- Object pArg2,
- Object pArg3)
- throws ELException
- {
- if (isLoggingError ()) {
- logError
- (MessageFormat.format
- (pTemplate,
- new Object [] {
- "" + pArg0,
- "" + pArg1,
- "" + pArg2,
- "" + pArg3,
- }),
- pRootCause);
- }
- }
-
- //-------------------------------------
- /**
- *
- * Logs an error
- **/
- public void logError (String pTemplate,
- Object pArg0,
- Object pArg1,
- Object pArg2,
- Object pArg3,
- Object pArg4)
- throws ELException
- {
- if (isLoggingError ()) {
- logError
- (MessageFormat.format
- (pTemplate,
- new Object [] {
- "" + pArg0,
- "" + pArg1,
- "" + pArg2,
- "" + pArg3,
- "" + pArg4,
- }));
- }
- }
-
- //-------------------------------------
- /**
- *
- * Logs an error
- **/
- public void logError (String pTemplate,
- Throwable pRootCause,
- Object pArg0,
- Object pArg1,
- Object pArg2,
- Object pArg3,
- Object pArg4)
- throws ELException
- {
- if (isLoggingError ()) {
- logError
- (MessageFormat.format
- (pTemplate,
- new Object [] {
- "" + pArg0,
- "" + pArg1,
- "" + pArg2,
- "" + pArg3,
- "" + pArg4,
- }),
- pRootCause);
- }
- }
-
- //-------------------------------------
- /**
- *
- * Logs an error
- **/
- public void logError (String pTemplate,
- Object pArg0,
- Object pArg1,
- Object pArg2,
- Object pArg3,
- Object pArg4,
- Object pArg5)
- throws ELException
- {
- if (isLoggingError ()) {
- logError
- (MessageFormat.format
- (pTemplate,
- new Object [] {
- "" + pArg0,
- "" + pArg1,
- "" + pArg2,
- "" + pArg3,
- "" + pArg4,
- "" + pArg5,
- }));
- }
- }
-
- //-------------------------------------
- /**
- *
- * Logs an error
- **/
- public void logError (String pTemplate,
- Throwable pRootCause,
- Object pArg0,
- Object pArg1,
- Object pArg2,
- Object pArg3,
- Object pArg4,
- Object pArg5)
- throws ELException
- {
- if (isLoggingError ()) {
- logError
- (MessageFormat.format
- (pTemplate,
- new Object [] {
- "" + pArg0,
- "" + pArg1,
- "" + pArg2,
- "" + pArg3,
- "" + pArg4,
- "" + pArg5,
- }),
- pRootCause);
- }
- }
-
- //-------------------------------------
- }