isobasevalidatingpackager.java

POS is a Java&#174 platform-based, mission-critical, ISO-8583 based financial transaction library/fr

/*
 * jPOS Project [http://jpos.org]
 * Copyright (C) 2000-2008 Alejandro P. Revilla
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.jpos.iso.packager;

import java.util.Hashtable;

import org.jpos.iso.ISOBasePackager;
import org.jpos.iso.ISOBaseValidator;
import org.jpos.iso.ISOComponent;
import org.jpos.iso.ISOException;
import org.jpos.iso.ISOFieldValidator;
import org.jpos.iso.ISOMsg;
import org.jpos.iso.ISOValidator;
import org.jpos.iso.validator.ISOVException;
import org.jpos.util.LogEvent;
import org.jpos.util.Logger;

/**
 * Base Packager class envolving validators. It implements
 * ISOValidator interface and define an implementation for validate method.
 * Validation is for composed components.
 * <p>Title: jPOS</p>
 * <p>Description: Java Framework for Financial Systems</p>
 * <p>Copyright: Copyright (c) 2000 jPOS.org.  All rights reserved.</p>
 * <p>Company: www.jPOS.org</p>
 * @author Jose Eduardo Leon
 * @version 1.0
 */
public class ISOBaseValidatingPackager extends ISOBasePackager implements ISOValidator {

    public ISOBaseValidatingPackager() {
        super();
    }

    public ISOComponent validate(ISOComponent m) throws ISOException {
        LogEvent evt = new LogEvent( this, "validate" );
        try {
            ISOComponent c;
            Hashtable fields = ((ISOMsg)m).getChildren();
            /** Field  validations **/
            for (int i=0; i<fldVld.length; i++) {
                if ( fldVld[i] != null && (c=(ISOComponent) fields.get (new Integer ( ((ISOFieldValidator)fldVld[i]).getFieldId() ))) != null ){
                    try {
                        m.set( fldVld[i].validate( c ) );
                    } catch ( ISOVException e ) {
                        if ( !e.treated() ) {
                            m.set( e.getErrComponent() );
                            e.setTreated( true );
                        }
                        evt.addMessage( "Component Validation Error." );
                        throw e;
                    }
                }
            }
            /** msg validations **/
            try {
                if ( msgVld != null ){
                    for (int i = 0; i < this.msgVld.length; i++) {
                        if ( msgVld[i] != null )
                            m = msgVld[i].validate( m );
                    }
                }
            }
            catch (ISOVException ex) {
                evt.addMessage( "Component Validation Error." );
                throw ex;
            }
            return m;
        }
        finally {
            Logger.log( evt );
        }
    }

//    public void setFieldValidator( ISOFieldValidator[] fvlds ){
//        this.fldVld = fvlds;
//    }

    public void setFieldValidator( ISOValidator[] fvlds ){
        this.fldVld = fvlds;
    }


    public void setMsgValidator( ISOBaseValidator[] msgVlds ){
        this.msgVld = msgVlds;
    }

    /** Message level validators **/
    protected ISOBaseValidator[] msgVld;
    /** field validator array. **/
//    protected ISOFieldValidator[] fldVld;
    protected ISOValidator[] fldVld;
}