/*
* 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: mkmsg.java,v 1.15 2007/02/09 23:12:43 hamada Exp $
*/
package net.jxta.impl.shell.bin.mkmsg;
import net.jxta.endpoint.Message;
import net.jxta.impl.shell.ShellApp;
import net.jxta.impl.shell.ShellEnv;
import net.jxta.impl.shell.ShellObject;
/**
* mkmsg: create a Message
*/
public class mkmsg extends ShellApp {
ShellEnv env;
public mkmsg() {
}
public int startApp(String[] args) {
if (args.length > 0) {
println("error: mkmsg");
shortHelp();
return ShellApp.appParamError;
}
env = getEnv();
Message msg = new Message();
env.add(getReturnVariable(), new ShellObject<Message>("Message", msg));
return ShellApp.appNoError;
}
public void shortHelp() {
println("NAME");
println(" mkmsg - make a pipe message");
println(" ");
println("SYNOPSIS");
println(" mkmsg ");
println(" ");
}
@Override
public String getDescription() {
return "Make a pipe message";
}
@Override
public void help() {
println("NAME");
println(" mkmsg - make a pipe message");
println(" ");
println("SYNOPSIS");
println(" mkmsg ");
println(" ");
println("DESCRIPTION");
println(" ");
println("'mkmsg' creates a new message to send/receive data from a pipe.");
println("The message object is stored in a Shell environment variable.");
println("If no name is assigned via the '=' operator, a default");
println("environment variable is created 'env#' for holding the");
println("message object (# is a growing integer number).");
println(" ");
println("JXTA messages are composed of multiple tag body parts. Each");
println("tag body is uniquely identified via a unique tag name. The tag");
println("name is used to insert ('put' command) a new tag body in a message,");
println("or to retrieve ('get' command) a tag body from a message");
println(" ");
println("EXAMPLE");
println(" ");
println(" JXTA>mkmsg");
println(" ");
println("This creates a message object and puts it in the environment");
println("variable 'env#' where # is an integer number (ex. env4)");
println("You can assign a specific name to the message variable by assigning");
println("it a name via the '=' Shell operator. See below for example:");
println(" ");
println(" JXTA>mymsg = mkmsg");
println(" JXAT>put mymsg mytag data");
println(" JXTA>send outpipe mymsg");
println(" ");
println("This create a new msg 'mymsg', stored data in the message body tag 'mytag'.");
println("The message is then sent via the output pipe 'outpipe'");
println(" ");
println("SEE ALSO");
println(" send recv get put mkpipe mkadv ");
}
}