URLObjectFactory.java

/*
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package org.glassfish.resources.custom.factory;

import com.sun.logging.LogDomains;

import javax.naming.spi.ObjectFactory;
import javax.naming.*;
import java.io.Serializable;
import java.util.Hashtable;
import java.util.Enumeration;
import java.util.logging.Logger;
import java.util.logging.Level;
import java.net.URL;

public class URLObjectFactory implements Serializable, ObjectFactory {
    public Object getObjectInstance(Object obj, Name name, Context nameCtx, Hashtable<?, ?> environment) throws Exception {
        Reference ref = (Reference)obj;

        Enumeration<RefAddr> refAddrs = ref.getAll();

        String protocol = null;
        String host = null;
        int port = -1;
        String file = null;
        String spec = null;

        while(refAddrs.hasMoreElements()){
            RefAddr addr = refAddrs.nextElement();

            String type = addr.getType();
            String content = (String)addr.getContent();
            if(type.equalsIgnoreCase("protocol")){
                protocol = content;
            }else if(type.equalsIgnoreCase("host")){
                host = content;
            }else if(type.equalsIgnoreCase("port")){
                try{
                    port = Integer.parseInt(content);
                }catch(NumberFormatException nfe){
                    Object args[] = new Object[]{content, nfe};
                    Logger.getLogger(LogDomains.RSR_LOGGER).log(Level.WARNING, "invalid.port.number", args);
                    IllegalArgumentException iae = new IllegalArgumentException("Invalid value for port");
                    iae.initCause(nfe);
                    throw iae;
                }
            }else if(type.equalsIgnoreCase("file")){
                file = content;
            }else if(type.equalsIgnoreCase("spec")){
                spec = content;
            }
        }

        if(protocol != null && host != null && port != -1 && file != null){
            return new URL(protocol, host, port, file);
        }else if(protocol != null && host != null && file != null){
            return new URL(protocol, host, file);
        }else if(spec != null){
            return new URL(spec);
        }

        throw new IllegalArgumentException("URLObjectFactory does not have necessary parameters for URL construction");
    }
}