mkadv.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: mkadv.java,v 1.24 2004/05/27 20:26:48 bondolo Exp $
 */

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

import net.jxta.impl.shell.*;

import java.lang.reflect.InvocationTargetException;
import java.io.*;
import java.util.*;

import net.jxta.pipe.*;
import net.jxta.discovery.*;
import net.jxta.peergroup.*;
import net.jxta.id.ID;
import net.jxta.id.IDFactory;
import net.jxta.document.*;
import net.jxta.protocol.*;

import net.jxta.impl.pipe.*;
import net.jxta.protocol.*;
import net.jxta.impl.shell.GetOpt;

/**
 * mkadv Shell command
 *
 */
public class mkadv extends ShellApp {
    private ShellEnv env;
    private String advDoc = null;
    private String var = null;
    
    private int syntaxError() {
        consoleMessage( "Usage : mkadv <doc>");
        return ShellApp.appParamError;
    }
    
    /**
     *  {@inheritDoc}
     **/
    public int startApp(String[] argv) {
        
        env = getEnv();
        
        GetOpt options = new GetOpt( argv, 0, "d:" );
        
        while( true ) {
            int option;
            try {
                option = options.getNextOption();
            } catch( IllegalArgumentException badopt ) {
                consoleMessage( "Illegal argument :" + badopt );
                return syntaxError();
            }
            
            if( -1 == option ) {
                break;
            }
            
            switch( option ) {
                // support the "legacy" varient of this command.
                case 'd' :
                    advDoc = options.getOptionArg();
                    break;
                    
                default :
                    consoleMessage( "Unrecognized option" );
                    return syntaxError();
            }
        }
        
        if( null == advDoc ) {
            advDoc = options.getNextParameter();
            
            if( null == advDoc ) {
                consoleMessage( "Missing <advDoc> parameter" );
                return syntaxError();
            }
        }
        
        if ( null != options.getNextParameter() ) {
            consoleMessage( "Unsupported parameter" );
            return syntaxError();
        }
        
        if( null == advDoc ) {
            consoleMessage( "Advertisement Document name not specified." );
            return syntaxError();
        }
        
        try {
            ShellObject obj = env.get(advDoc);
            
            Advertisement adv = null;
            Object theRealObj = obj.getObject();
            if( theRealObj instanceof TextDocument ) {
                TextDocument doc = (TextDocument) theRealObj;
                adv = AdvertisementFactory.newAdvertisement( doc.getMimeType(), doc.getReader() );
            } else if( theRealObj instanceof Document ) {
                Document doc = (Document) theRealObj;
                adv = AdvertisementFactory.newAdvertisement( doc.getMimeType(), doc.getStream() );
            } else {
                consoleMessage( obj.getClass().getName() + "is not usable as an advertisement" );
                return ShellApp.appMiscError;
            }
            
            ShellObject newAdv = new ShellObject("Advertisement", adv );
            env.add( getReturnVariable(), newAdv );
            
            return ShellApp.appNoError;
        } catch ( Throwable all ) {
            printStackTrace( "Failure creating advertisment", all );
            return ShellApp.appMiscError;
        }
    }
    
    /**
     *  {@inheritDoc}
     **/
    public String getDescription() {
        return "Make an advertisement from a document";
    }
    
    /**
     *  {@inheritDoc}
     **/
    public void help() {
        println("NAME");
        println("     mkadv - " + getDescription() );
        println(" ");
        println("SYNOPSIS");
        println("     mkadv <doc>");
        println(" ");
        println("DESCRIPTION");
        println(" ");
        println(" 'mkadv' creates an advertisement from a document stored in a shell ");
        println(" environment variable. A symbolic name can be associated with ");
        println(" the advertisement. This name can be used to search for the ");
        println(" advertisement.");
        println(" ");
        println("OPTIONS");
        println(" ");
        println("EXAMPLE");
        println(" ");
        println("      JXTA>pipeadv = importfile -f saveadv");
        println("      JXTA>mypipeadv = mkadv pipeadv");
        println("      JXTA>inpipe = mkpipe -i mypipeadv");
        println(" ");
        println(" This creates a pipe using an advertisement stored in a file. ");
        println(" The file is imported as a document using the 'importfile' ");
        println(" command. An advertisement is created from the document using " );
        println(" 'mkadv' and finally an input pipe is instantiated using " );
        println(" 'mkpipe'. " );
        println(" ");
        println("SEE ALSO");
        println("     newpgrp mkpipe join whoami");
    }
}