/**
 * MultiViewExampleDelegate.java
 * Copyright (C) 2008  Zphinx Software Solutions
 * This software 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 General Public License for more details.
 *
 * THERE IS NO WARRANTY FOR THIS SOFTWARE, TO THE EXTENT PERMITTED BY
 * APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING WITH ZPHINX SOFTWARE SOLUTIONS 
 * AND/OR OTHER PARTIES WHO PROVIDE THIS SOFTWARE "AS IS" WITHOUT WARRANTY
 * OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
 * IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
 * ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
 *
 * IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
 * WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
 * THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
 * GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
 * USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
 * DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
 * PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
 * EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGES.
 *
 * For further information, please go to http://spine.zphinx.co.uk/
 * 
 **/

package com.zphinx.spine.examples.multiview;

import java.util.Locale;

import org.apache.log4j.Logger;

import com.zphinx.spine.Universal;
import com.zphinx.spine.core.AbstractBuilder;
import com.zphinx.spine.core.AbstractBusinessDelegate;
import com.zphinx.spine.exceptions.SpineException;
import com.zphinx.spine.exceptions.SpineMessageException;
import com.zphinx.spine.message.DisplayError;
import com.zphinx.spine.message.DisplayMessage;
import com.zphinx.spine.vo.DataTransferAssembler;
import com.zphinx.spine.vo.ResultObject;
import com.zphinx.spine.vo.dto.DataTransferObject;
import com.zphinx.spine.vo.dto.DataTransportBean;
import com.zphinx.spine.vo.dto.SpineBean;

/**
 * MultiViewExampleDelegate is an example of a Businessdelegate which will be called by a MultiViewProcessor
 * 
 * @author David Ladapo
 * @version $1.0
 *          <p>
 *          
 *          Copyright &copy;Zphinx Software Solutions
 *          </p>
 */
public class MultiViewExampleDelegate extends AbstractBusinessDelegate {

    /**
     * The <code>Log</code> instance for this application.
     */

    private static Logger log = Universal.getLogger(MultiViewExampleDelegate.class.getName());

    /**
     * Public Constructor
     */
    public MultiViewExampleDelegate() {
        super();
    }

    /*
     * (non-Javadoc)
     * 
     * @see com.zphinx.spine.core.AbstractBusinessDelegate#run()
     */
    @Override
    protected ResultObject run() {
        int i = getCommand().getOperation();
        DataTransferObject dto = (DataTransferObject) getCommand().getObj();
        log.debug("Running operation: " + i + " with object: " + dto.getClass().getSimpleName());
        
        ResultObject result = null;
        Locale locale = getUserLocale();
        try{
            result = (ResultObject) this.processDAO();
            DisplayMessage message = new DisplayMessage("examples.success",new Object[] {result.getObj().getClass().getSimpleName()});
            result.getDisplayMessages().add(ResultObject.MESSAGES,message,locale);
        }
        catch (SpineException e){
            DisplayError error = new DisplayError(4,"examples.error",new Object[] {e.getMessage()});
            result.getDisplayMessages().add(ResultObject.ERRORS,error,locale );
            e.printStackTrace();
        }

        return result;
    }
    
    

    /* (non-Javadoc)
     * @see com.zphinx.spine.core.AbstractBusinessDelegate#preProcessBusinessRules(com.zphinx.spine.vo.DataTransferAssembler)
     */
    protected boolean preProcessBusinessRules(DataTransferAssembler command) throws SpineException {
       boolean b = false; 
        if(this.getCommand().getObj() != null) {
            DataTransferObject dto = (DataTransferObject) this.getCommand().getObj();
            if(dto!= null) {
                AbstractBuilder builder = (AbstractBuilder) this.findBuilder();
                //run a method in the spinebean
                Object out = builder.runMethod((SpineBean) dto,  "someMethod", null);
                log.debug("The method call returned: "+out);
                b = super.preProcessBusinessRules(command); 
            }
            else throw new SpineMessageException("error.pre.rules");
         }
        else throw new SpineMessageException("error.missing.datatransferobject");          
        return b;
    }

}