org.cip4.jdflib.util.net.URLProxySelector Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of JDFLibJ Show documentation

CIP4 JDF Library for JDF 1.x

There is a newer version: 2.1.8.10

/**
 * 
 */
package org.cip4.jdflib.util.net;

import java.io.IOException;
import java.net.InetAddress;
import java.net.Proxy;
import java.net.ProxySelector;
import java.net.SocketAddress;
import java.net.URI;
import java.net.UnknownHostException;
import java.util.List;
import java.util.Vector;

class URLProxySelector extends ProxySelector
{

	/**
	 * @param p a proxy to add 
	 * 
	 */
	protected URLProxySelector(Proxy p)
	{
		super();
		myproxies = new Vector();
		if (p != null)
		{
			myproxies.add(p);
			noproxies = new Vector();
			noproxies.add(Proxy.NO_PROXY);
		}
		else
		{
			noproxies = myproxies;
		}
		myproxies.add(Proxy.NO_PROXY);
	}

	private final Vector myproxies;
	private Vector noproxies;

	/**
	 * @see java.net.ProxySelector#connectFailed(java.net.URI, java.net.SocketAddress, java.io.IOException)
	 * @param uri
	 * @param sa
	 * @param ioe
	*/
	@Override
	public void connectFailed(URI uri, SocketAddress sa, IOException ioe)
	{
		//nop			
	}

	/**
	 * @see java.net.ProxySelector#select(java.net.URI)
	 * @param uri
	 * @return
	*/
	@Override
	public List select(URI uri)
	{
		String host = uri == null ? null : uri.getHost();
		if (host != null)
			host = host.toLowerCase();

		boolean bLocal = false;
		try
		{
			InetAddress a = InetAddress.getByName(host);
			bLocal = a.isSiteLocalAddress();
		}
		catch (UnknownHostException x)
		{
			// nop
		}

		if (host == null || bLocal || "localhost".equals(host) || "127.0.0.1".equals(host))
			return noproxies;

		return myproxies;
	}

}