/*
* 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: version.java,v 1.1015 2007/02/09 23:12:47 hamada Exp $
*/
package net.jxta.impl.shell.bin.version;
import net.jxta.impl.shell.GetOpt;
import net.jxta.impl.shell.ShellApp;
/**
* version command
*/
public class version extends ShellApp {
/**
* {@inheritDoc}
*/
public int startApp(String[] argv) {
boolean verbose = false;
boolean recursive = false;
GetOpt options = new GetOpt(argv, 0, "vr");
while (true) {
int option;
try {
option = options.getNextOption();
} catch (IllegalArgumentException badopt) {
consoleMessage("Illegal argument :" + badopt);
return syntaxError();
}
if (-1 == option) {
break;
}
switch (option) {
case 'v':
verbose = true;
break;
case 'r':
recursive = true;
break;
default:
consoleMessage("Unrecognized option");
return syntaxError();
}
}
if (null != options.getNextParameter()) {
consoleMessage("Unsupported parameter");
return syntaxError();
}
String currentPackage = "net.jxta.impl.shell";
do {
Package aPackage = Package.getPackage(currentPackage);
if ((null == aPackage) || (null == aPackage.getImplementationVersion())) {
println( currentPackage + " : " + "Version information not available");
} else {
if (!verbose) {
println( currentPackage + " : " + aPackage.getImplementationVersion());
} else {
println("Package : " + currentPackage );
println("Specification Title : " + aPackage.getSpecificationTitle());
println("Specification Vendor : " + aPackage.getSpecificationVendor());
println("Specification Version : " + aPackage.getSpecificationVersion());
println(" ");
println("Implementation Title : " + aPackage.getImplementationTitle());
println("Implementation Vendor : " + aPackage.getImplementationVendor());
println("Implementation Version : " + aPackage.getImplementationVersion());
println(" ");
}
}
int lastDot = currentPackage.lastIndexOf('.');
if(-1 == lastDot) {
break;
} else {
currentPackage = currentPackage.substring(0, lastDot);
}
} while( recursive );
return ShellApp.appNoError;
}
private int syntaxError() {
consoleMessage("Usage: version [-v] [-r]");
return ShellApp.appParamError;
}
/**
* {@inheritDoc}
*/
@Override
public String getDescription() {
return "Display the version number of this Shell instance.";
}
/**
* {@inheritDoc}
*/
@Override
public void help() {
println("NAME");
println(" version - " + getDescription());
println(" ");
println("SYNOPSIS");
println(" ");
println(" version [-v] [-r]");
println(" ");
println("OPTIONS");
println(" ");
println(" [-v] Print verbose information.");
println(" [-v] Recurse printing the version numbers of all parent packages as well.");
println(" ");
println("DESCRIPTION");
println(" ");
println("The version command displays the version number associated ");
println("with this Shell instance. In order to work correctly the");
println("shell must be packaged in a jar file with a complete manifest");
println("(this is normally the case).");
println(" ");
}
}