/*

 * File: Main.java

 *

 * Description: Java class associated with the WOComponent "Main".

 *

 * Author: Apple Computer

 *

 * Copyright: ) Copyright 2001 Apple Computer, Inc. All rights reserved.

 *

 * Disclaimer:

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 */

import com.webobjects.foundation.*;

import com.webobjects.appserver.*;

import com.webobjects.appserver.xml.*;

import com.webobjects.eocontrol.*;

import com.webobjects.eoaccess.*;

import java.io.*;

public class Main extends WOComponent {

    protected String path = "/tmp/";

    protected NSData data;

    protected String filePath;

    protected WOXMLDecoder decoder = null;

    protected String mappingFile;

    protected EOEditingContext ec;

    protected String lastName; 

    public Main(WOContext context) {

        super(context);

        /* Get the location to the mapping file. */

        mappingFile = application().resourceManager().pathForResourceNamed("personMapping.xml", null, null);

        /* Create a new EOEditingContext instance. */

        ec = new EOEditingContext();

    }

    public WOComponent convertToEO() {

        /* Do not decode an empty XML documents. */

        if (data == null) {

            return null;

        }

        /* Create a new Person EO from decoded object. */                        

        Person person = (Person)WOXMLDecoder.decoderWithMapping(mappingFile).decodeRootObject(data);

        if (person != null) {

            /* Cache the persons last name for later use. */

            lastName = person.lastName();

            /* Insert that object into the database. */

            ec.lock();

            ec.insertObject(person);

            ec.saveChanges();

            ec.unlock();

        }       

        return null;

    }

    public WOComponent convertToXML() {

        /* Fetch some one from the default datasource. */

        Person person = (Person)EOUtilities.objectMatchingKeyAndValue(ec, "Person", "lastName", lastName);

        /* Encode the Enterprise Object into XML. */                 

        String xmlString = WOXMLCoder.coderWithMapping(mappingFile).encodeRootObjectForKey(person, person.getClass().getName());

        /* Write the XML document out to disk. */        

        try {

            FileOutputStream out = new FileOutputStream(path + "PersonNew.xml");

            out.write(xmlString.getBytes());

            out.close();

        }

        catch (Exception e) {}

        return null;

    }

}