package com.mjh.switchrmi;

import com.mjh.util.UrlInfo;

import java.net.MalformedURLException;

import org.apache.log4j.Logger;

public class RmiUrlInfo extends UrlInfo
{
    private static final Logger log = 
            Logger.getLogger(RmiUrlInfo.class.getName());
    private String objectName;
    private String protocolName;

    public RmiUrlInfo(String url, String[] requiredParameters)
               throws MalformedURLException
    {
        super(url, requiredParameters);
        init();
    }

    public RmiUrlInfo(String url)
               throws MalformedURLException
    {
        super(url);
        init();
    }

    private void init() throws MalformedURLException
    {
        String path = getPath();

        if ((path == null) || (path.length() < 3))
        {
            throw new MalformedURLException(
                    "Path must contain object name and protocol name");
        }

        int start = path.lastIndexOf('/');

        while (path.charAt(start) == '/')
        {
            start++;
        }

        int end = path.indexOf('.');

        if (end == -1)
        {
            throw new MalformedURLException(
                    "Path must contain object name and protocol name");
        }

        objectName = path.substring(start, end);
        start = end + 1;
        end = path.length();
        protocolName = path.substring(start, end);

        if (log.isDebugEnabled())
        {
            log.debug("url          = " + getUrl());
            log.debug("protocol     = " + getProtocol());
            log.debug("host         = " + getHost());
            log.debug("port         = " + getPort());
            log.debug("path         = " + getPath());
            log.debug("query        = " + getQuery());
            log.debug("objectName   = " + objectName);
            log.debug("protocolName = " + protocolName);
        }
    }

    public String getObjectName()
    {
        return objectName;
    }

    public String getProtocolName()
    {
        return protocolName;
    }

    public String getTransportName()
    {
        return getProtocol();
    }
}