map2dynabeanfactory.java

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/*
 * Created on 30/07/2004
 *
 * To change the template for this generated file go to
 * Window>Preferences>Java>Code Generation>Code and Comments
 */
package ar.com.koalas.providers;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.Map;
import java.util.Map.Entry;

import org.apache.commons.beanutils.BasicDynaBean;
import org.apache.commons.beanutils.BasicDynaClass;
import org.apache.commons.beanutils.DynaBean;
import org.apache.commons.beanutils.DynaProperty;

/**
 * @author namorrortu
 *
 * To change the template for this generated type comment go to
 * Window>Preferences>Java>Code Generation>Code and Comments
 */
public class Map2DynaBeanFactory implements BeanFactory {

    public Object create(Object oldRow) {
        Map map = (Map) oldRow;
        try {
            DynaBean db = new BasicDynaClass(BasicDynaClass.class.getName(), BasicDynaBean.class, this.getProperties( map ) ).newInstance(); 
            this.populate(db, map);
            return db;
        } catch (IllegalAccessException e) {
            // XXX Auto-generated catch block
            e.printStackTrace();
        } catch (InstantiationException e) {
            // XXX Auto-generated catch block
            e.printStackTrace();
        }
        
        return null;
    }
    
    private void populate(DynaBean db, Map map) {
        Iterator it = map.entrySet().iterator();
        while( it.hasNext() ){
            Map.Entry current = (Entry) it.next();
            db.set( (String) current.getKey(), current.getValue() );
        }
    }

    private DynaProperty[] getProperties(Map map) {
        Collection dynaProperties = new ArrayList();
        Iterator properties = map.entrySet().iterator();
        while( properties.hasNext() ){
            Map.Entry current = (Entry) properties.next();
            dynaProperties.add( this.getProperty( current.getKey(), current.getValue() ) );
        }
        
        return (DynaProperty[]) dynaProperties.toArray( new DynaProperty[0] );
    }

    private DynaProperty getProperty(Object key, Object value) {
        return new DynaProperty(key.toString(), value.getClass() );        
    }

    private class MapDynaBean extends BasicDynaBean {
        public MapDynaBean() {
            super( new BasicDynaClass() );
        }
    }
    
//    private class MapDynaClass extends BasicDynaClass{
//        private Map map;
//        private Map properties;
//        
//        private MapDynaClass( Map map ){
//            this.map = map;
//            this.properties = new HashMap();
//            Iterator properties = map.entrySet().iterator();
//            while( properties.hasNext() ){
//                Map.Entry current = (Entry) properties.next();
//                this.properties.put( current.getKey(), this.getProperty( current.getKey(), current.getValue() ) );
//            }
//        }
//        
//        private DynaProperty getProperty(Object value, Object object) {
//            return new DynaProperty(value.toString(), object.getClass() );
//        }
//
//        public DynaProperty[] getDynaProperties() {
//            return (DynaProperty[]) this.properties.values().toArray( new DynaProperty[0] );
//        }
//        
//        public DynaProperty getDynaProperty(String arg) {
//            return (DynaProperty) this.properties.get( arg );
//        }
//        
//        public Class getDynaBeanClass() {
//            return MapDynaBean.class;
//        }
//    }

}