[castor-dev] unable to find FieldDescriptor

jose luis campos Mon, 15 Mar 2004 13:12:43 -0800

org.xml.sax.SAXException: unable to find FieldDescriptor for 'product_group' in ClassDescriptor of org.sibum.amazon.Catalog{file: [not available]; line: 6; column: 16}

What im doing wrong? Please check the xml file at http://rcm.amazon.com/e/cm?t=universitstea-20&l=st1&search=XML&mode=books&p=102&o=1&f=xml

Complete code follows.

Product.java

/*
* Author: Administrator
* Created: Saturday, March 13, 2004 11:21:59 AM
* Modified: Saturday, March 13, 2004 11:21:59 AM
*/
package org.sibum.amazon;

public class Product
{
private String ranking;
private String title;
private String asin;
private String author;
private String image;
private String smallImage;
private String ourPrice;
private String listPrice;
private String releaseDate;
private String binding;
private String availability;
private String taggedURL;

public Product(String r,String t,String as,String au,String img,String sImg,String oP,String lP,String rD,String b,String av,String tURL)
{ranking=r;
title=t;
  asin=as;
  author=au;
  image=img;
  smallImage=sImg;
  ourPrice=oP;
  listPrice=lP;
  releaseDate=rD;
  binding=b;
  availability=av;
  taggedURL=tURL;

}

! public Product()
{}
public String getRanking()
{
return ranking;
}

public void setRanking(String str)
{
ranking=str;
}

public String getTitle()
{
return title;
}

public void setTitle(String str)
{
title=str;
}

public String getAsin()
{
return asin;
}

public void setAsin(String str)
{
asin=str;
}

public String getAuthor()
{
return author;
}

public void setAuthor(String str)
{
author=str;
}

public String getImage()
{
return image;
}

public void setImage(String str)
{
image=str;
}

public String getSmallImage(! )
{
return smallImage;
}

public void setSmallImage(String str)
{
smallImage=str;
}

public String getOurPrice()
{
return ourPrice;
}

public void setOurPrice(String str)
{
ourPrice=str;
}

public String getListPrice()
{
return listPrice;
}

public void setListPrice(String str)
{
listPrice=str;
}

public String getReleaseDate()
{
return releaseDate;
}

public void setReleaseDate(String str)
{
releaseDate=str;
}

public String getBinding()
{
return binding;
}

public void setBinding(String str)
{
binding=str;
}

public String getAvail! ability()
{
return availability;
}

public void setAvailability(String str)
{
availability=str;
}

public String getTaggedURL()
{
return taggedURL;
}

public void setTaggedURL(String str)
{
taggedURL=str;
}
}

/******************************************************************/

Catalog.java

package org.sibum.amazon;
import java.util.List;
import java.util.ArrayList;

public class Catalog{
private String keyword;
private String productGroup;

private List productos= new ArrayList();

public Catalog() { }

public void addProducto(org.sibum.amazon.Product p) {
productos.add(p);
}

public List getProductos() {
return productos;
}

public String getKeyword() {
return keyword;
}

public void setKeyword(String k) {
this.keyword =k;
}

public String getProductGroup() {
return productGroup;
}

public void setProductGroup(String p) {
this.productGroup =p;
}
}

/********************************************************/

VerProductos.java

package org.sibum.amazon;
import org.exolab.castor.xml.*;

import org.exolab.castor.mapping.*;

import java.io.InputStreamReader;
import java.io.FileReader;
import java.io.InputStream;
import java.net.URL;
import java.util.List;
import java.util.Iterator;

public class VerProductos{

public static void main(String args[]) {
    try {
     Mapping mapping = new Mapping();
     mapping.loadMapping("mapping.xml");

Unmarshaller un = new Unmarshaller(org.sibum.amazon.Catalog.class);
un.setMapping( mapping );

URL url="" URL("http://rcm.amazon.com/e/cm?t=universitstea-20&l=st1&search=XML&mode=books&p=102&o=1&f=xml");
//FileReader in = new FileReader("producto.xml");

  InputStream in=url.openStream();


Catalog cat = (Catalog) un.unmarshal(new InputStreamReader(in));

   in.close();

System.out.println( cat.getKeyword() );

List productos= cat.getProductos();
Iterator iter = productos.iterator();

while ( iter.hasNext() ) {
Product product= (Product) iter.next();

       System.out.println("\n" + product.getTitle() );
       System.out.println("-----------------------------");
       }

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

mapping.xml

<?xml version="1.0"?>
<!DOCTYPE mapping PUBLIC "-//EXOLAB/Castor Object Mapping DTD Version 1.0//EN" "http://castor.exolab.org/mapping.dtd">

<mapping>
<description>Archivo mapping para la lista de productos.</description>

</mapping>

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[castor-dev] unable to find FieldDescriptor

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