URLFactory.java

package org.objectweb.jonas_lib.naming.factory;


//import java
import java.net.URL;
import java.util.Hashtable;

//import javax
import javax.naming.Context;
import javax.naming.Name;
import javax.naming.Reference;
import javax.naming.spi.ObjectFactory;


public class URLFactory implements ObjectFactory {

    protected static final String FACTORY_TYPE = "java.net.URL";


    public Object getObjectInstance(Object obj, Name name, Context nameCtx,
                                    Hashtable environment) throws Exception {

        //Get the reference
        Reference ref = (Reference) obj;

        //Get the class name
        String clname = ref.getClassName();

        //Check the class name
        if (!ref.getClassName().equals(FACTORY_TYPE)) {
            throw new Exception("Can not create object : required type is '" + FACTORY_TYPE + "', but found type is '" + clname + "'.");
        }

        URL url = null;
        String urlString =  (String) ref.get("url").getContent();

        if (urlString != null) {
            url = new URL(urlString);
        } else {
            throw new Exception("Can not build an object as no URL was given.");
        }

        return url;
    }

}

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