| package org.apache.maven.wagon.shared.http; |
| |
| /* |
| * 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 java.net.URI; |
| |
| import org.apache.http.HttpEntityEnclosingRequest; |
| import org.apache.http.HttpRequest; |
| import org.apache.http.HttpResponse; |
| import org.apache.http.HttpStatus; |
| import org.apache.http.ProtocolException; |
| import org.apache.http.client.methods.HttpGet; |
| import org.apache.http.client.methods.HttpHead; |
| import org.apache.http.client.methods.HttpPut; |
| import org.apache.http.client.methods.HttpUriRequest; |
| import org.apache.http.client.methods.RequestBuilder; |
| import org.apache.http.impl.client.DefaultRedirectStrategy; |
| import org.apache.http.protocol.HttpContext; |
| import org.apache.http.util.Args; |
| import org.apache.maven.wagon.events.TransferEvent; |
| import org.apache.maven.wagon.shared.http.AbstractHttpClientWagon.WagonHttpEntity; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * A custom redirect strategy for Apache Maven Wagon HttpClient. |
| * |
| * @since 3.4.0 |
| * |
| */ |
| public class WagonRedirectStrategy extends DefaultRedirectStrategy |
| { |
| |
| private static final Logger LOGGER = LoggerFactory.getLogger( WagonRedirectStrategy.class ); |
| |
| private static final int SC_PERMANENT_REDIRECT = 308; |
| |
| public WagonRedirectStrategy() |
| { |
| super( new String[] { |
| HttpGet.METHOD_NAME, |
| HttpHead.METHOD_NAME, |
| HttpPut.METHOD_NAME, |
| /** |
| * This covers the most basic case where the redirection relocates to another |
| * collection which has an existing parent collection. |
| */ |
| "MKCOL" } ); |
| } |
| |
| @Override |
| public boolean isRedirected( final HttpRequest request, final HttpResponse response, |
| final HttpContext context ) throws ProtocolException |
| { |
| Args.notNull( request, "HTTP request" ); |
| Args.notNull( response, "HTTP response" ); |
| |
| final int statusCode = response.getStatusLine().getStatusCode(); |
| final String method = request.getRequestLine().getMethod(); |
| switch ( statusCode ) |
| { |
| case HttpStatus.SC_MOVED_TEMPORARILY: |
| case HttpStatus.SC_MOVED_PERMANENTLY: |
| case HttpStatus.SC_SEE_OTHER: |
| case HttpStatus.SC_TEMPORARY_REDIRECT: |
| case SC_PERMANENT_REDIRECT: |
| return isRedirectable( method ); |
| default: |
| return false; |
| } |
| } |
| |
| @Override |
| public HttpUriRequest getRedirect( final HttpRequest request, final HttpResponse response, |
| final HttpContext context ) throws ProtocolException |
| { |
| final URI uri = getLocationURI( request, response, context ); |
| if ( request instanceof HttpEntityEnclosingRequest ) |
| { |
| HttpEntityEnclosingRequest encRequest = (HttpEntityEnclosingRequest) request; |
| if ( encRequest.getEntity() instanceof AbstractHttpClientWagon.WagonHttpEntity ) |
| { |
| AbstractHttpClientWagon.WagonHttpEntity whe = (WagonHttpEntity) encRequest.getEntity(); |
| if ( whe.getWagon() instanceof AbstractHttpClientWagon ) |
| { |
| // Re-execute AbstractWagon#firePutStarted(Resource, File) |
| AbstractHttpClientWagon httpWagon = (AbstractHttpClientWagon) whe.getWagon(); |
| TransferEvent transferEvent = |
| new TransferEvent( httpWagon, whe.getResource(), |
| TransferEvent.TRANSFER_STARTED, TransferEvent.REQUEST_PUT ); |
| transferEvent.setTimestamp( System.currentTimeMillis() ); |
| transferEvent.setLocalFile( whe.getSource() ); |
| httpWagon.getTransferEventSupport().fireDebug( |
| String.format( "Following redirect from '%s' to '%s'", |
| request.getRequestLine().getUri(), uri.toASCIIString() ) ); |
| httpWagon.getTransferEventSupport().fireTransferStarted( transferEvent ); |
| } |
| else |
| { |
| LOGGER.warn( "Cannot properly handle redirect transfer event, wagon has unexpected class: {}", |
| whe.getWagon().getClass() ); |
| } |
| } |
| } |
| |
| return RequestBuilder.copy( request ).setUri( uri ).build(); |
| } |
| |
| } |