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package org.apache.naming.resources;

import java.net.URLStreamHandler;
import java.net.URLStreamHandlerFactory;
import java.io.IOException;
import javax.naming.NamingException;
import javax.naming.directory.DirContext;

/**
 * Factory for Stream handlers to a JNDI directory context.
 * 
 * @author Remy Maucherat
 * @version $Revision: 1.3 $
 */
public class DirContextURLStreamHandlerFactory 
    implements URLStreamHandlerFactory {
    
    
    // ----------------------------------------------------------- Constructors
    
    
    public DirContextURLStreamHandlerFactory() {
    }
    
    
    // ----------------------------------------------------- Instance Variables
    
    
    // ------------------------------------------------------------- Properties
    
    
    // ---------------------------------------- URLStreamHandlerFactory Methods
    
    
    /**
     * Creates a new URLStreamHandler instance with the specified protocol.
     * Will return null if the protocol is not jndi.
     * 
     * @param protocol the protocol (must be "jndi" here)
     * @return a URLStreamHandler for the jndi protocol, or null if the 
     * protocol is not JNDI
     */
    public URLStreamHandler createURLStreamHandler(String protocol) {
        if (protocol.equals("jndi")) {
            return new DirContextURLStreamHandler();
        } else {
            return null;
        }
    }
    
    
}