/**
 * Redistribution and use of this software and associated documentation
 * ("Software"), with or without modification, are permitted provided
 * that the following conditions are met:
 *
 * 1. Redistributions of source code must retain copyright
 *    statements and notices.  Redistributions must also contain a
 *    copy of this document.
 *
 * 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 name "OpenEJB" must not be used to endorse or promote
 *    products derived from this Software without prior written
 *    permission of The OpenEJB Group.  For written permission,
 *    please contact openejb-group@openejb.sf.net.
 *
 * 4. Products derived from this Software may not be called "OpenEJB"
 *    nor may "OpenEJB" appear in their names without prior written
 *    permission of The OpenEJB Group. OpenEJB is a registered
 *    trademark of The OpenEJB Group.
 *
 * 5. Due credit should be given to the OpenEJB Project
 *    (http://openejb.sf.net/).
 *
 * THIS SOFTWARE IS PROVIDED BY THE OPENEJB GROUP AND CONTRIBUTORS
 * ``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
 * THE OPENEJB GROUP 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.
 *
 * Copyright 2001 (C) The OpenEJB Group. All Rights Reserved.
 *
 * $Id: Lookup.java,v 1.4 2002/11/08 15:15:34 dblevins Exp $
 */
package org.openejb.server.admin.text;

import java.io.*;
import java.net.*;
import java.util.*;
import org.openejb.OpenEJB;
import org.openejb.*;
import org.openejb.core.ivm.naming.IvmContext;
import javax.naming.Context;
import javax.naming.NameClassPair;
import javax.naming.NamingEnumeration;
import javax.naming.NameNotFoundException;
import javax.ejb.EJBHome;

/**
 * @author <a href="mailto:david.blevins@visi.com">David Blevins</a>
 */
public class Lookup extends Command {

    javax.naming.Context ctx = OpenEJB.getJNDIContext();

    public static void register() {
        Lookup cmd = new Lookup();
        Command.register("lookup", cmd);
        //Command.register("list", cmd);
    }


    //DMB: Temp-current dir support will be added later
    static String PWD = "";

    // execute jndi lookups
    public void exec(String[] args, DataInputStream in, PrintStream out) throws IOException{
        try{
            String name = "";

            if (args.length == 0) {
                name = PWD;
            } else {
                name = args[0];
            }

            Object obj = null;
            try{
               obj = ctx.lookup(name);
            } catch (NameNotFoundException e){
                out.print("lookup: ");
                out.print(name);
                out.println(": No such object or subcontext" );
                return;
            } catch (Throwable e){
                out.print("lookup: error: ");
                e.printStackTrace(new PrintStream(out));
                return;
            }

            if ( obj instanceof Context ){
                list(args, in, out);
                return;
            }

            // TODO:1: Output the differnt data types differently
            out.println(""+obj);
        } catch (Exception e){
            e.printStackTrace(new PrintStream(out));
        }
    }

    public void list(String[] args, DataInputStream in, PrintStream out) throws IOException{
        try{
        String name = "";

        if (args.length == 0) {
            name = PWD;
        } else {
            name = args[0];
        }

        NamingEnumeration enum = null;
        try{

           enum = ctx.list(name);
        } catch (NameNotFoundException e){
            out.print("lookup: ");
            out.print(name);
            out.println(": No such object or subcontext" );
            return;
        } catch (Throwable e){
            out.print("lookup: error: ");
            e.printStackTrace(new PrintStream(out));
            return;
        }

        if ( enum == null){
            return;
        }

        while (enum.hasMore()) {

            NameClassPair entry = (NameClassPair)enum.next();
            String eName  = entry.getName();
            Class  eClass = null;

            if ( IvmContext.class.getName().equals(entry.getClassName()) ) {
                eClass = IvmContext.class;
            } else {
                try{
                    ClassLoader cl = org.openejb.util.ClasspathUtils.getContextClassLoader();
                    eClass = Class.forName(entry.getClassName(), true, cl);
                } catch (Throwable t){
                    eClass = java.lang.Object.class;
                }
            }

            if ( Context.class.isAssignableFrom( eClass ) ) {
                //out.print("-c- ");
                out.print(TextConsole.TTY_Bright);
                out.print(TextConsole.TTY_FG_Blue);
                out.print(entry.getName());
                out.print(TextConsole.TTY_Reset);
            } else if (EJBHome.class.isAssignableFrom( eClass)) {
                //out.print("-b- ");
                out.print(TextConsole.TTY_Bright);
                out.print(TextConsole.TTY_FG_Green);
                out.print(entry.getName());
                out.print(TextConsole.TTY_Reset);
            } else {
                //out.print("-o- ");
                out.print(entry.getName());
            }
            out.println();
        }
        } catch (Exception e){
            e.printStackTrace(new PrintStream(out));
        }
    }
}

