package com.tarisan.generador;

import java.io.*;
import java.util.Vector;


public class GenerarBeanInfoBD
{
	
	public static void crearBeanInfo( Tabla tabla , String packageName)
	{
		String nombreClase = tabla.getNombre();
		System.out.println("Generando " + nombreClase + "BeanInfo...");

		try{
			PrintWriter out = new PrintWriter( new FileWriter(".\\dataGenerado\\" + nombreClase + "BeanInfo.java" ) );
			
			//Recorro las columnas
			//String definicionPropiedades = "";
			String metodosPropiedades = "";
			String tipo ="", nombrePropiedad="";
			int numPropiedades = 0;	
			String textoPropiedades = "";
						
			Vector vectorCampos = tabla.getCampos();
			Campo campo;		
			
			for( int i=0; i < vectorCampos.size(); i++ )
			{		
				campo = ( Campo )vectorCampos.elementAt(i);
				nombrePropiedad = campo.getNombre();
				tipo = campo.getTipo();			
				textoPropiedades += "\t\t\tpds[pdsParent.length + "+ numPropiedades + "] = new PropertyDescriptor(\""+ nombrePropiedad +"\", cls);\r\n";
				numPropiedades++;
			
			}
					
			
			out.println("package " + packageName + ".data;\r\r\n\r\r\n\r\r\n");
			out.println("import java.beans.SimpleBeanInfo;");
			out.println("import java.beans.BeanInfo;");
			out.println("import java.beans.Introspector;");
			out.println("import java.beans.PropertyDescriptor;");
			out.println("import java.beans.IndexedPropertyDescriptor;\r\n\r\n\r\n");
			out.println( "public class " + nombreClase + "BeanInfo extends SimpleBeanInfo" );
			out.println( "{\r\n" );
			out.println("\tpublic PropertyDescriptor[] getPropertyDescriptors()");
			out.println("\t{");
			out.println("\t\tPropertyDescriptor[] pds = null;");
			out.println("\t\ttry{");
			out.println("\t\t\t//get the number of properties of the parent class");
			out.println("\t\t\tBeanInfo bI = Introspector.getBeanInfo( com.iberdrola.compras.persistencia.ObjetoBase.class );");
			out.println("\t\t\tPropertyDescriptor[] pdsParent = bI.getPropertyDescriptors();");
			out.println("\t\t\tClass cls = com.iberdrola.compras.data."+ nombreClase +".class;");
			out.println("\t\t\tint numberLocalProperties = "+ numPropiedades +";");
			out.println("\t\t\tpds = new PropertyDescriptor[numberLocalProperties + pdsParent.length];");
			out.println("\t\t\t//");
			out.println("\t\t\t//first do the parent class");
			out.println("\t\t\t//");
			out.println("\t\t\tfor(int i=0;i<pdsParent.length;i++){");
			out.println("\t\t\t\tpds[i] = pdsParent[i];");
			out.println("\t\t\t}");
			out.println( textoPropiedades );
			out.println( "\t\t}" );
			out.println( "\t\tcatch(Exception e){" );
			out.println( "\t\t\tSystem.out.println( e );" );
			out.println( "\t\t\treturn null;" );
			out.println( "\t\t}\r\n" );
			out.println( "\t\treturn pds;" );
			out.println( "\t}\r\n" );
			out.println( "}" );

			out.close();
		}
		catch( Exception e )
		{
			System.out.println( e );
		}
	}

	
}