logging.java

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/*
 *  Copyright (c) 2001 Sun Microsystems, Inc.  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 acknowledgment:
 *  "This product includes software developed by the
 *  Sun Microsystems, Inc. for Project JXTA."
 *  Alternately, this acknowledgment may appear in the software itself,
 *  if and wherever such third-party acknowledgments normally appear.
 *
 *  4. The names "Sun", "Sun Microsystems, Inc.", "JXTA" and "Project JXTA" must
 *  not be used to endorse or promote products derived from this
 *  software without prior written permission. For written
 *  permission, please contact Project JXTA at http://www.jxta.org.
 *
 *  5. Products derived from this software may not be called "JXTA",
 *  nor may "JXTA" appear in their name, without prior written
 *  permission of Sun.
 *
 *  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 SUN MICROSYSTEMS 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 Project JXTA.  For more
 *  information on Project JXTA, please see
 *  <http://www.jxta.org/>.
 *
 *  This license is based on the BSD license adopted by the Apache Foundation.
 *
 *  $Id: logging.java,v 1.1 2006/06/14 16:31:14 bondolo Exp $
 */
package net.jxta.impl.shell.bin.logging;

import java.io.IOException;

import java.util.logging.Level;
import java.util.logging.Logger;

import net.jxta.discovery.DiscoveryService;
import net.jxta.document.Advertisement;

import net.jxta.impl.shell.GetOpt;
import net.jxta.impl.shell.ShellApp;
import net.jxta.impl.shell.ShellEnv;
import net.jxta.impl.shell.ShellObject;

/**
 *  Adjust logging levels
 */
public class logging extends ShellApp {

    /**
     *  {@inheritDoc}
     **/
    public int startApp(String[] args) {
        ShellEnv env = getEnv();
        boolean severe = false;
        boolean warn = false;
        boolean config = false;
        boolean info = false;
        boolean fine = false;
        boolean finer = false;
        boolean disabled = false;
        
        Level level = null;
        GetOpt options = new GetOpt(args, 0, "swcift");

        while (true) {
            int option;

            try {
                option = options.getNextOption();
            }
            catch (IllegalArgumentException badopt) {
                consoleMessage("Illegal argument :" + badopt);
                return syntaxError();
            }
            if (-1 == option) {
                break;
            }
            switch (option) {
              case 's':
                severe = true;
                break;
              case 'w':
                warn = true;
                break;
              case 'c':
                config = true;
                break;
              case 'i':
                info = true;
                break;
              case 'f':
                fine = true;
                break;
              case 't':
                finer = true;
                break;
              case 'd':
                disabled = true;
                break;
              default:
                consoleMessage("Unrecognized option");
                return syntaxError();
            }
        }
        if (severe && (warn || config || info || fine || finer || disabled)) {
            consoleMessage("Cannot set more than one level");
            return syntaxError();
        }
        
        if (warn && (severe || config || info || fine || finer || disabled)) {
            consoleMessage("Cannot set more than one level");
            return syntaxError();
        }
        
        if (config && (severe || warn || info || fine || finer || disabled)) {
            consoleMessage("Cannot set more than one level");
            return syntaxError();
        }
        
        if (info && (severe || warn || config || fine || finer || disabled)) {
            consoleMessage("Cannot set more than one level");
            return syntaxError();
        }
        
        if (fine && (severe || warn || config || info || finer || disabled)) {
            consoleMessage("Cannot set more than one level");
            return syntaxError();
        }
        
        if (finer && (severe || warn || config || info || fine || disabled)) {
            consoleMessage("Cannot set more than one level");
            return syntaxError();
        }
        
        if (disabled && (severe || warn || config || info || fine || finer)) {
            consoleMessage("Cannot set more than one level");
            return syntaxError();
        }
        
        if (severe) {
            level = Level.SEVERE;
        }
        
        if (warn) {
            level = Level.WARNING;
        }
        
        if (config) {
            level = Level.CONFIG;
        }
        
        if (info) {
            level = Level.INFO;
        }
        
        if (fine) {
            level = Level.FINE;
        }
        
        if (finer) {
            level = Level.FINER;
        }
        
        if (disabled) {
            level = Level.OFF;
        }
        
        String name = options.getNextParameter();

        if (null == name) {
            consoleMessage("Missing <logger> parameter.");
            return syntaxError();
        }
        do {
            java.util.logging.Logger jxtaLogger = java.util.logging.Logger.getLogger(name);

            if (null == jxtaLogger) {
                consoleMessage("Invalid logger name : " + name);
                return ShellApp.appMiscError;
            }
            Level currentLevel = null;
            
            while( (null == currentLevel) &&  (null != jxtaLogger) ) {
                currentLevel = jxtaLogger.getLevel();
                
                jxtaLogger = jxtaLogger.getParent();
            }

            if( null == currentLevel ) {
                currentLevel = Level.OFF;
            }
                    
            jxtaLogger = java.util.logging.Logger.getLogger(name);
            
            print(currentLevel.toString());
            if (null != level) {
                jxtaLogger.setLevel(level);
                print("->" + level);
            }
            println(" : " + name);
            name = options.getNextParameter();
        } while (null != name);
        return ShellApp.appNoError;
    }
    
    private int syntaxError() {
        consoleMessage( "usage : logging [-s | -w | -c | -i | -f | -t | -d ] <logger> ... " );
        return ShellApp.appParamError;
    }
    
    /**
     *  {@inheritDoc}
     **/
    public String getDescription() {
        return "Display and optionally adjust logging levels";
    }
    
    /**
     *  {@inheritDoc}
     **/
    public void help() {
        println("NAME");
        println("     logging - " + getDescription() );
        println(" ");
        println("SYNOPSIS");
        println("    logging [-s | -w | -c | -i | -f | -t | -d ] <logger> ... ");
        println(" ");
        println("DESCRIPTION");
        println(" ");
        println("Use 'logging' to adjust logging levels.");
        println(" ");
        println("OPTIONS");
        println("    -s           Severe logging level.");
        println("    -w           Warning logging level.");
        println("    -c           Config logging level.");
        println("    -i           Info logging level.");
        println("    -f           Fine logging level.");
        println("    -t           Finer (trace) logging level.");
        println("    -d           Disabled logging level.");
        println(" ");
        println("PARAMETERS");
        println("    <env>    One or more logger names.");
        println(" ");
        println("EXAMPLE");
        println(" ");
        println("    JXTA>logging -f net.jxta.endpoint net.jxta.impl.resolver ");
        println("    INFO->FINE : net.jxta.endpoint " );
        println("    WARNING->FINE : net.jxta.impl.resolver ");
        println(" ");
        println("    Set the packages 'net.jxta.endpoint' and " );
        println("    'net.jxta.impl.resolver' to \"FINE\" logging level.");
        println(" ");
    }
}