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package org.sonatype.aether.repository;
/*******************************************************************************
* Copyright (c) 2010-2011 Sonatype, Inc.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*******************************************************************************/
/**
* A proxy to use for connections to a repository. Note: Instances of this class are immutable and the exposed
* mutators return new objects rather than changing the current instance.
*
* @author Benjamin Bentmann
*/
public final class Proxy
{
/**
* Type denoting a proxy for HTTP transfers.
*/
public static final String TYPE_HTTP = "http";
/**
* Type denoting a proxy for HTTPS transfers.
*/
public static final String TYPE_HTTPS = "https";
private final String type;
private final String host;
private final int port;
private final Authentication auth;
/**
* Creates a new proxy with the specified properties.
*
* @param type The type of the proxy, e.g. "http", may be {@code null}.
* @param host The host of the proxy, may be {@code null}.
* @param port The port of the proxy.
* @param auth The authentication to use for the proxy connection, may be {@code null}.
*/
public Proxy( String type, String host, int port, Authentication auth )
{
this.type = ( type != null ) ? type : "";
this.host = ( host != null ) ? host : "";
this.port = port;
this.auth = auth;
}
/**
* Gets the type of this proxy.
*
* @return The type of this proxy, never {@code null}.
*/
public String getType()
{
return type;
}
/**
* Sets the type of the proxy.
*
* @param type The type of the proxy, e.g. "http", may be {@code null}.
* @return The new proxy, never {@code null}.
*/
public Proxy setType( String type )
{
if ( this.type.equals( type ) || ( type == null && this.type.length() <= 0 ) )
{
return this;
}
return new Proxy( type, host, port, auth );
}
/**
* Gets the host for this proxy.
*
* @return The host for this proxy, never {@code null}.
*/
public String getHost()
{
return host;
}
/**
* Sets the host of the proxy.
*
* @param host The host of the proxy, may be {@code null}.
* @return The new proxy, never {@code null}.
*/
public Proxy setHost( String host )
{
if ( this.host.equals( host ) || ( host == null && this.host.length() <= 0 ) )
{
return this;
}
return new Proxy( type, host, port, auth );
}
/**
* Gets the port number for this proxy.
*
* @return The port number for this proxy.
*/
public int getPort()
{
return port;
}
/**
* Sets the port number for the proxy.
*
* @param port The port number for the proxy.
* @return The new proxy, never {@code null}.
*/
public Proxy setPort( int port )
{
if ( this.port == port )
{
return this;
}
return new Proxy( type, host, port, auth );
}
/**
* Gets the authentication to use for the proxy connection.
*
* @return The authentication to use or {@code null} if none.
*/
public Authentication getAuthentication()
{
return auth;
}
/**
* Sets the authentication to use for the proxy connection.
*
* @param auth The authentication to use, may be {@code null}.
* @return The new proxy, never {@code null}.
*/
public Proxy setAuthentication( Authentication auth )
{
if ( eq( this.auth, auth ) )
{
return this;
}
return new Proxy( type, host, port, auth );
}
@Override
public String toString()
{
return getHost() + ':' + getPort();
}
@Override
public boolean equals( Object obj )
{
if ( this == obj )
{
return true;
}
if ( obj == null || !getClass().equals( obj.getClass() ) )
{
return false;
}
Proxy that = (Proxy) obj;
return eq( type, that.type ) && eq( host, that.host ) && port == that.port && eq( auth, that.auth );
}
private static boolean eq( T s1, T s2 )
{
return s1 != null ? s1.equals( s2 ) : s2 == null;
}
@Override
public int hashCode()
{
int hash = 17;
hash = hash * 31 + hash( host );
hash = hash * 31 + hash( type );
hash = hash * 31 + port;
hash = hash * 31 + hash( auth );
return hash;
}
private static int hash( Object obj )
{
return obj != null ? obj.hashCode() : 0;
}
}