dumpcm.java

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/*
 * Copyright (c) 2003 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: dumpcm.java,v 1.3 2004/05/27 03:53:33 bondolo Exp $
 */


package net.jxta.impl.shell.bin.dumpcm;

import net.jxta.impl.shell.*;
import net.jxta.impl.shell.bin.Shell.*;
import java.util.*;
import java.io.*;
import java.net.*;

import net.jxta.platform.*;
import net.jxta.discovery.*;
import net.jxta.service.*;
import net.jxta.document.*;
import net.jxta.protocol.*;
import net.jxta.peergroup.*;
import net.jxta.id.*;

import net.jxta.impl.util.cm.DumpCm;


/**
 * Dump the CM content
 */

public class dumpcm extends ShellApp {


    public dumpcm () {
    }

    public int startApp (String[] args) {

        String type = null;
        String dir = null;
        String file = null;
        for (int i = 0; i < args.length; i++) {
            if (args[i].equals("-type") && i+1 < args.length) {
                type = args[++i];
            } else if (args[i].equals("-dir") && i+1 < args.length) {
                dir = args[++i];
            } else if (args[i].equals("-file") && i+1 < args.length) {
                file = args[++i];
            } else if (args[i].equals("-help")) {
		syntaxError();
		return ShellApp.appNoError;
            }
        }

	if (dir == null) {
	    String DEFAULT_ROOT = ".jxta" + File.separator + "cm";

	    dir = DEFAULT_ROOT +
		  File.separator +
		  getGroup().getPeerGroupID().getUniqueValue().toString();
	}        


	String[] newArgs = new String [6];

	newArgs [0] = "-type";
	newArgs [1] = type;
	newArgs [2] = "-dir";
	newArgs [3] = dir;
	newArgs [4] = "-file";
	newArgs [5] = file;

	try {

	    DumpCm.dump (newArgs, new DisplayDump (this));

	} catch (IOException ez) {
	    println ("Cannot dump");
	    return ShellApp.appMiscError;
	} catch (IllegalArgumentException ez1) {
	    return syntaxError();
	}
	return ShellApp.appNoError;
    }

    public void stopApp () {
    }

    public String getDescription() {
        return "Dump the content of the local cache (CM)";
    }


    private class DisplayDump implements DumpCm.DumpCmCallback {
	
	dumpcm app = null;

	public DisplayDump (dumpcm app) {
	    this.app = app;
	}

	public void println (String str) {
	    app.println (str);
	}
    }

    private int syntaxError() {
        
        println("Usage: dumpcm");
	println("  -type    type of file being dumped (index|offsets|db)");
        println("  -dir     the directory to dump");
        println("  -file    the file to dump");
        
        return ShellApp.appParamError;
    }

    public void help() {
      println("NAME");
      println(" ");
      println("    dumpcm - Dump the content of the local cache (CM)");
      println(" ");
      println("SYNOPSIS");
      println(" ");
      println ("    dumpcm");
      println("          -type    type of file being dumped (index|offsets|db)");
      println("          -dir     the directory to dump");
      println("          -file    the file to dump");
        
      println(" ");
      println("DESCRIPTION");
      println(" ");
      println("dumpcm allows to dump onto the screen the content");
      println("of the local cache (CM).");

    }
}