Marshalling XML with Castor

invoice.xml

<?xml version="1.0" encoding="UTF-8"?>
<invoice>
<item>
	<name>Cappucino</name>
	<description>Coffee brewed</description>
	<price>20</price>
</item>
<item>
	<name>Coffee Mocha</name>
	<description>Coffee plus chocolate</description>
	<price>20</price>
</item>
<item>
	<name>Garlic bread</name>
	<description>Wheat treat</description>
	<price>30</price>
</item>
<item>
	<name>Black coffee</name>
	<description>True coffee without milk</description>
	<price>25</price>
</item>
</invoice>

MarshalDemo1.java

import org.exolab.castor.xml.MarshalException;
import org.exolab.castor.xml.Marshaller;
import org.exolab.castor.xml.ValidationException;

import com.bean.Item;

public class MarshalDemo1 {
	public static void main(String[] args) {
		Item item=new Item();
		item.setName("Coffee Mocha");
		item.setDescription("Coffee and chocolate");
		item.setPrice(30);
		FileWriter fileWriter;
		try {
			Mapping mapping=new Mapping();
			mapping.loadMapping("mapping.xml");
			fileWriter = new FileWriter("item_updated.xml");
			Marshaller marshaller=new Marshaller(fileWriter);
		    marshaller.setMapping(mapping);
			
			marshaller.marshal(item);
		}
		catch (IOException e1) {
			// TODO Auto-generated catch block
			e1.printStackTrace();
		}
		catch (MarshalException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (ValidationException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (MappingException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} 
		
	}
}

MarshalDemo2.java

package com.tester;

import java.io.FileWriter;
import java.io.IOException;

import org.exolab.castor.mapping.Mapping;
import org.exolab.castor.mapping.MappingException;
import org.exolab.castor.xml.MarshalException;
import org.exolab.castor.xml.Marshaller;
import org.exolab.castor.xml.ValidationException;

import com.bean.Invoice;
import com.bean.Item;

public class MarshalDemo {
	public static void main(String[] args) {
		Item item1=new Item();
		item1.setName("Coffee Mocha");
		item1.setDescription("Coffee and chocolate");
		item1.setPrice(30);
		
		Item item2=new Item();
		item2.setName("Cappucino");
		item2.setDescription("Coffee brewed");
		item2.setPrice(20);
		
		Item item3=new Item();
		item3.setName("Garlic bread");
		item3.setDescription("Wheat treat");
		item3.setPrice(30);
		
		Item item4=new Item();
		item4.setName("Black coffee");
		item4.setDescription("True coffee with milk");
		item4.setPrice(30);
		
		Invoice invoice = new Invoice();
		invoice.addItem(item1);
		invoice.addItem(item2);
		invoice.addItem(item3);
		invoice.addItem(item4);
		
		FileWriter fileWriter;
		try {
			Mapping mapping=new Mapping();
			mapping.loadMapping("mapping.xml");
			fileWriter = new FileWriter("invoice_updated.xml");
			Marshaller marshaller=new Marshaller(fileWriter);
		    marshaller.setMapping(mapping);
			
			marshaller.marshal(invoice);
		}
		catch (IOException e1) {
			// TODO Auto-generated catch block
			e1.printStackTrace();
		}
		catch (MarshalException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (ValidationException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (MappingException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} 
		
	}
}

MarshalXmlContext.java

package com.tester;

import java.io.FileWriter;

import java.io.IOException;

import org.exolab.castor.mapping.Mapping;
import org.exolab.castor.mapping.MappingException;
import org.exolab.castor.xml.MarshalException;
import org.exolab.castor.xml.Marshaller;
import org.exolab.castor.xml.ValidationException;
import org.exolab.castor.xml.XMLContext;

import com.bean.Item;

public class MarshalXmlContext {
	public static void main(String[] args) {
		Item item=new Item();
		item.setName("Coffee Mocha");
		item.setDescription("Coffee and chocolate");
		item.setPrice(30);
		FileWriter fileWriter;
		try {
			XMLContext context=new XMLContext();
			Mapping mapping=context.createMapping();
			mapping.loadMapping("mapping.xml");
			context.addMapping(mapping);
			fileWriter = new FileWriter("item_updated.xml");
			Marshaller marshaller=context.createMarshaller();
		    marshaller.setWriter(fileWriter);
			
			marshaller.marshal(item);
		}
		catch (IOException e1) {
			// TODO Auto-generated catch block
			e1.printStackTrace();
		}
		catch (MarshalException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (ValidationException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (MappingException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} 
		
	}
}

UnMarshalDemo2.java

package com.tester;

import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.util.Vector;

import org.exolab.castor.mapping.Mapping;
import org.exolab.castor.mapping.MappingException;
import org.exolab.castor.xml.MarshalException;
import org.exolab.castor.xml.Unmarshaller;
import org.exolab.castor.xml.ValidationException;
import org.xml.sax.InputSource;

import com.bean.Invoice;
import com.bean.Item;

public class Demo {
	public  Mapping retMapping() throws IOException, MappingException{
		Mapping mapping=new Mapping(); 
 

		mapping.loadMapping("mapping.xml");
		return mapping;
	}
	
	
 public static void main(String[] args) {
	try {
		Demo d=new Demo();
		Mapping mapping=d.retMapping();
		Unmarshaller unmarshaller=new Unmarshaller(Invoice.class);
		unmarshaller.setMapping(mapping);
		Invoice invoice=(Invoice) unmarshaller.unmarshal(new FileReader("invoice.xml"));
		Vector items=invoice.getItems();
		for(int i=0;i<items.size();i++)
		{
			Item item=(Item)items.elementAt(i);
			System.out.println(item.getName());
			System.out.println(item.getDescription());
			System.out.println(item.getPrice());
		}
		System.out.println(invoice.getTotal());
	} catch (MarshalException e) {
		// TODO Auto-generated catch block
		e.printStackTrace();
	} catch (ValidationException e) {
		// TODO Auto-generated catch block
		e.printStackTrace();
	} catch (FileNotFoundException e) {
		// TODO Auto-generated catch block
		e.printStackTrace();
	} catch (IOException e) {
		// TODO Auto-generated catch block
		e.printStackTrace();
	} catch (MappingException e) {
		// TODO Auto-generated catch block
		e.printStackTrace();
	}
}
}

UnmarshallXmlContext.java

package com.tester;

import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;

import org.exolab.castor.mapping.Mapping;
import org.exolab.castor.mapping.MappingException;
import org.exolab.castor.xml.MarshalException;
import org.exolab.castor.xml.Unmarshaller;
import org.exolab.castor.xml.ValidationException;
import org.exolab.castor.xml.XMLContext;
import org.xml.sax.InputSource;

import com.bean.Item;

public class UnmarshallXmlContext {
	
 public static void main(String[] args) {
	try {
		
		XMLContext context = new XMLContext();
		
		Mapping mapping=context.createMapping();
		mapping.loadMapping("mapping.xml");
		context.addMapping(mapping);
		Unmarshaller unmarshaller=context.createUnmarshaller();
		unmarshaller.setClass(Item.class);
		Item item=(Item) unmarshaller.unmarshal(new FileReader("item.xml"));
		
		System.out.println(item.getName());
		System.out.println(item.getDescription());
		System.out.println(item.getPrice());
	} catch (MarshalException e) {
		// TODO Auto-generated catch block
		e.printStackTrace();
	} catch (ValidationException e) {
		// TODO Auto-generated catch block
		e.printStackTrace();
	} catch (FileNotFoundException e) {
		// TODO Auto-generated catch block
		e.printStackTrace();
	} catch (IOException e) {
		// TODO Auto-generated catch block
		e.printStackTrace();
	} catch (MappingException e) {
		// TODO Auto-generated catch block
		e.printStackTrace();
	}
}
}