package org.apache.archiva.proxy.common;
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
import org.apache.commons.lang.StringUtils;
import org.apache.maven.wagon.Wagon;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.stereotype.Service;
import javax.inject.Inject;
import java.lang.reflect.Method;
import java.util.Map;
import java.util.Properties;
/**
* @author Olivier Lamy
* @since 1.4-M1
*/
@Service ("wagonFactory")
public class DefaultWagonFactory
implements WagonFactory
{
private ApplicationContext applicationContext;
private Logger logger = LoggerFactory.getLogger( getClass() );
private DebugTransferListener debugTransferListener = new DebugTransferListener();
@Inject
public DefaultWagonFactory( ApplicationContext applicationContext )
{
this.applicationContext = applicationContext;
}
@Override
public Wagon getWagon( WagonFactoryRequest wagonFactoryRequest )
throws WagonFactoryException
{
try
{
String protocol = StringUtils.startsWith( wagonFactoryRequest.getProtocol(), "wagon#" )
? wagonFactoryRequest.getProtocol()
: "wagon#" + wagonFactoryRequest.getProtocol();
// if it's a ntlm proxy we have to lookup the wagon light which support thats
// wagon http client doesn't support that
if ( wagonFactoryRequest.getNetworkProxy() != null && wagonFactoryRequest.getNetworkProxy().isUseNtlm() )
{
protocol = protocol + "-ntlm";
}
Wagon wagon = applicationContext.getBean( protocol, Wagon.class );
wagon.addTransferListener( debugTransferListener );
configureUserAgent( wagon, wagonFactoryRequest );
return wagon;
}
catch ( BeansException e )
{
throw new WagonFactoryException( e.getMessage(), e );
}
}
protected void configureUserAgent( Wagon wagon, WagonFactoryRequest wagonFactoryRequest )
{
try
{
Class clazz = wagon.getClass();
Method getHttpHeaders = clazz.getMethod( "getHttpHeaders" );
Properties headers = (Properties) getHttpHeaders.invoke( wagon );
if ( headers == null )
{
headers = new Properties();
}
headers.put( "User-Agent", wagonFactoryRequest.getUserAgent() );
if ( !wagonFactoryRequest.getHeaders().isEmpty() )
{
for ( Map.Entry<String, String> entry : wagonFactoryRequest.getHeaders().entrySet() )
{
headers.put( entry.getKey(), entry.getValue() );
}
}
Method setHttpHeaders = clazz.getMethod( "setHttpHeaders", new Class[]{ Properties.class } );
setHttpHeaders.invoke( wagon, headers );
logger.debug( "http headers set to: {}", headers );
}
catch ( Exception e )
{
logger.warn( "fail to configure User-Agent: {}", e.getMessage(), e );
}
}
}