com.signalfx.shaded.jetty.client.RedirectProtocolHandler Maven / Gradle / Ivy
//
// ========================================================================
// Copyright (c) 1995-2019 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package com.signalfx.shaded.jetty.client;
import com.signalfx.shaded.jetty.client.api.Request;
import com.signalfx.shaded.jetty.client.api.Response;
import com.signalfx.shaded.jetty.client.api.Result;
import com.signalfx.shaded.jetty.http.HttpField;
import com.signalfx.shaded.jetty.http.HttpHeader;
/**
* A protocol handler that handles redirect status codes 301, 302, 303, 307 and 308.
*/
public class RedirectProtocolHandler extends Response.Listener.Adapter implements ProtocolHandler
{
public static final String NAME = "redirect";
private final HttpRedirector redirector;
public RedirectProtocolHandler(HttpClient client)
{
redirector = new HttpRedirector(client);
}
@Override
public String getName()
{
return NAME;
}
@Override
public boolean accept(Request request, Response response)
{
return redirector.isRedirect(response) && request.isFollowRedirects();
}
@Override
public Response.Listener getResponseListener()
{
return this;
}
@Override
public boolean onHeader(Response response, HttpField field)
{
// Avoid that the content is decoded, which could generate
// errors, since we are discarding the content anyway.
return field.getHeader() != HttpHeader.CONTENT_ENCODING;
}
@Override
public void onComplete(Result result)
{
Request request = result.getRequest();
Response response = result.getResponse();
if (result.isSucceeded())
redirector.redirect(request, response, null);
else
redirector.fail(request, response, result.getFailure());
}
}