//$HeadURL: https://sushibar/svn/deegree/base/trunk/resources/eclipse/svn_classfile_header_template.xml $
/*----------------    FILE HEADER  ------------------------------------------
 This file is part of deegree.
 Copyright (C) 2001-2007 by:
 Department of Geography, University of Bonn
 http://www.giub.uni-bonn.de/deegree/
 lat/lon GmbH
 http://www.lat-lon.de

 This library is free software; you can redistribute it and/or
 modify it under the terms of the GNU Lesser General Public
 License as published by the Free Software Foundation; either
 version 2.1 of the License, or (at your option) any later version.
 This library is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 Lesser General Public License for more details.
 You should have received a copy of the GNU Lesser General Public
 License along with this library; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 Contact:

 Andreas Poth
 lat/lon GmbH
 Aennchenstr. 19
 53177 Bonn
 Germany
 E-Mail: poth@lat-lon.de

 Prof. Dr. Klaus Greve
 Department of Geography
 University of Bonn
 Meckenheimer Allee 166
 53115 Bonn
 Germany
 E-Mail: greve@giub.uni-bonn.de
 ---------------------------------------------------------------------------*/

package org.deegree.services.wps.process;

import java.io.StringWriter;
import java.security.MessageDigest;
import java.util.Calendar;

import org.deegree.model.identifier.IntIdentifier;
import org.deegree.processing.commandprocessor.AbstractCommand;
import org.deegree.processing.commandprocessor.CommandResult;
import org.deegree.processing.commandprocessor.CommandState;

import com.sun.corba.se.impl.orbutil.HexOutputStream;

/**
 * <code>TestCommand</code>
 * 
 * @author <a href="mailto:schmitz@lat-lon.de">Andreas Schmitz</a>
 * @author last edited by: $Author:$
 * 
 * @version $Revision:$, $Date:$
 */
public class TestCommand extends AbstractCommand {

    private byte[] data;

    String hash;

    Exception exception;

    public TestCommand( byte[] data ) {
        super( new IntIdentifier( 0 ), null );
        this.data = data;
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.deegree.processing.commandprocessor.Command#cancel()
     */
    @Override
    public void cancel() {
        // TODO Auto-generated method stub

    }

    /*
     * (non-Javadoc)
     * 
     * @see org.deegree.processing.commandprocessor.Command#execute()
     */
    @Override
    public void execute() {
        MessageDigest digest;
        try {
            digest = MessageDigest.getInstance( "md5" );
            digest.digest( data );

            StringWriter sout = new StringWriter();
            HexOutputStream out = new HexOutputStream( sout );
            out.write( digest.digest( data ) );
            hash = sout.getBuffer().toString();
        } catch ( Exception e ) {
            exception = e;
        }
    }

    CommandState.STATE state;

    /*
     * (non-Javadoc)
     * 
     * @see org.deegree.processing.commandprocessor.Command#getResult()
     */
    @Override
    public CommandResult<String> getResult() {
        return new CommandResult<String>() {
            @Override
            public CommandState getState() {
                return new CommandState() {

                    @Override
                    public String getDescription() {
                        // TODO Auto-generated method stub
                        return null;
                    }

                    @Override
                    public Calendar getExecutionFinishedTimestamp() {
                        // TODO Auto-generated method stub
                        return null;
                    }

                    @Override
                    public Calendar getIncomingOrderTimestamp() {
                        // TODO Auto-generated method stub
                        return null;
                    }

                    @Override
                    public long getRealExecutionDuration() {
                        // TODO Auto-generated method stub
                        return 0;
                    }

                    @Override
                    public Calendar getStartExecutionTimestamp() {
                        // TODO Auto-generated method stub
                        return null;
                    }

                    @Override
                    public STATE getState() {
                        if ( exception != null ) {
                            state = STATE.terminatedByException;
                        }
                        return state;
                        // if(hash != null){
                        // return STATE.finished;
                        // }
                        // return STATE.inqueue ;
                    }

                    @Override
                    public void setState( STATE currentState ) {
                        state = currentState;
                    }
                };
            }

            @Override
            public String getValue() {
                return hash;
            }
        };
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.deegree.processing.commandprocessor.Command#pause()
     */
    @Override
    public void pause() {
        // TODO Auto-generated method stub

    }

    /*
     * (non-Javadoc)
     * 
     * @see org.deegree.processing.commandprocessor.Command#resume()
     */
    @Override
    public void resume() {
        // TODO Auto-generated method stub

    }

    /*
     * (non-Javadoc)
     * 
     * @see org.deegree.processing.commandprocessor.Command#setPriority(int)
     */
    @Override
    public void setPriority( int priority ) {
        // TODO Auto-generated method stub

    }

}