/*
 * @(#)SocketOrChannelContactInfoImpl.java	1.59 04/06/21
 * 
 * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
 * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */

package com.sun.corba.se.impl.transport;

import com.sun.corba.se.pept.transport.Connection;

import com.sun.corba.se.spi.ior.IOR ;
import com.sun.corba.se.spi.orb.ORB;
import com.sun.corba.se.spi.transport.CorbaContactInfoList;
import com.sun.corba.se.spi.transport.CorbaTransportManager;
import com.sun.corba.se.spi.transport.SocketInfo;

import com.sun.corba.se.impl.orbutil.ORBUtility;
import com.sun.corba.se.impl.transport.CorbaContactInfoBase;

/**
 * @author Harold Carr
 */
public class SocketOrChannelContactInfoImpl
    extends CorbaContactInfoBase
    implements SocketInfo
{
    protected boolean isHashCodeCached = false;
    protected int cachedHashCode;

    protected String socketType;
    protected String hostname;
    protected int    port;

    // XREVISIT 
    // See SocketOrChannelAcceptorImpl.createMessageMediator
    // See SocketFactoryContactInfoImpl.constructor()
    // See SocketOrChannelContactInfoImpl.constructor()
    protected SocketOrChannelContactInfoImpl()
    {
    }

    protected SocketOrChannelContactInfoImpl(
        ORB orb,
	CorbaContactInfoList contactInfoList)
    {
	this.orb = orb;
	this.contactInfoList = contactInfoList;
    }

    public SocketOrChannelContactInfoImpl(
        ORB orb,
	CorbaContactInfoList contactInfoList,
	String socketType,
	String hostname,
	int port)
    {
	this(orb, contactInfoList);
	this.socketType = socketType;
	this.hostname = hostname;
	this.port     = port;
    }

    // XREVISIT
    public SocketOrChannelContactInfoImpl(
        ORB orb,
	CorbaContactInfoList contactInfoList,
	IOR effectiveTargetIOR,
	short addressingDisposition,
	String socketType,
	String hostname,
	int port)
    {
	this(orb, contactInfoList, socketType, hostname, port);
	this.effectiveTargetIOR = effectiveTargetIOR;
	this.addressingDisposition = addressingDisposition;
    }

    ////////////////////////////////////////////////////
    //
    // pept.transport.ContactInfo
    //

    public boolean isConnectionBased()
    {
	return true;
    }

    public boolean shouldCacheConnection()
    {
	return true;
    }

    public String getConnectionCacheType()
    {
	return CorbaTransportManager.SOCKET_OR_CHANNEL_CONNECTION_CACHE;
    }

    public Connection createConnection()
    {
	Connection connection =
	    new SocketOrChannelConnectionImpl(orb, this, 
					      socketType, hostname, port);
	return connection;
    }

    ////////////////////////////////////////////////////
    //
    // spi.transport.CorbaContactInfo
    //

    public String getMonitoringName()
    {
	return "SocketConnections";
    }

    ////////////////////////////////////////////////////
    //
    // pept.transport.ContactInfo
    //

    public String getType()
    {
	return socketType;
    }

    public String getHost()
    {
	return hostname;
    }

    public int getPort()
    {
	return port;
    }

    ////////////////////////////////////////////////////
    //
    // java.lang.Object
    //

    public int hashCode() 
    {
	if (! isHashCodeCached) {
	    cachedHashCode = socketType.hashCode() ^ hostname.hashCode() ^ port;
	    isHashCodeCached = true;
	}
	return cachedHashCode;
    }
    
    public boolean equals(Object obj) 
    {
	if (obj == null) {
	    return false;
	} else if (!(obj instanceof SocketOrChannelContactInfoImpl)) {
	    return false;
	}

	SocketOrChannelContactInfoImpl other =
	    (SocketOrChannelContactInfoImpl) obj;

        if (port != other.port) {
            return false;
	}
        if (!hostname.equals(other.hostname)) {
            return false;
        }
	if (socketType == null) {
	    if (other.socketType != null) {
		return false;
	    }
	} else if (!socketType.equals(other.socketType)) {
	    return false;
	}
        return true;
    }

    public String toString()
    {
	return
	    "SocketOrChannelContactInfoImpl[" 
	    + socketType + " "
	    + hostname + " "
	    + port
	    + "]";
    }

    ////////////////////////////////////////////////////
    //
    // Implementation
    //

    protected void dprint(String msg) 
    {
	ORBUtility.dprint("SocketOrChannelContactInfoImpl", msg);
    }
}

// End of file.
