mirror of
https://github.com/classilla/tenfourfox.git
synced 2024-07-31 06:29:45 +00:00
94 lines
3.6 KiB
Java
94 lines
3.6 KiB
Java
/*
|
|
* ====================================================================
|
|
* 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.
|
|
* ====================================================================
|
|
*
|
|
* This software consists of voluntary contributions made by many
|
|
* individuals on behalf of the Apache Software Foundation. For more
|
|
* information on the Apache Software Foundation, please see
|
|
* <http://www.apache.org/>.
|
|
*
|
|
*/
|
|
|
|
package ch.boye.httpclientandroidlib.protocol;
|
|
|
|
import java.io.IOException;
|
|
|
|
import ch.boye.httpclientandroidlib.HttpEntity;
|
|
import ch.boye.httpclientandroidlib.HttpEntityEnclosingRequest;
|
|
import ch.boye.httpclientandroidlib.HttpException;
|
|
import ch.boye.httpclientandroidlib.HttpRequest;
|
|
import ch.boye.httpclientandroidlib.HttpRequestInterceptor;
|
|
import ch.boye.httpclientandroidlib.HttpVersion;
|
|
import ch.boye.httpclientandroidlib.ProtocolVersion;
|
|
import ch.boye.httpclientandroidlib.annotation.Immutable;
|
|
import ch.boye.httpclientandroidlib.params.CoreProtocolPNames;
|
|
import ch.boye.httpclientandroidlib.util.Args;
|
|
|
|
/**
|
|
* RequestExpectContinue is responsible for enabling the 'expect-continue'
|
|
* handshake by adding <code>Expect</code> header. This interceptor is
|
|
* recommended for client side protocol processors.
|
|
*
|
|
* @since 4.0
|
|
*/
|
|
@Immutable
|
|
@SuppressWarnings("deprecation")
|
|
public class RequestExpectContinue implements HttpRequestInterceptor {
|
|
|
|
private final boolean activeByDefault;
|
|
|
|
/**
|
|
* @deprecated (4.3) use {@link ch.boye.httpclientandroidlib.protocol.RequestExpectContinue#RequestExpectContinue(boolean)}
|
|
*/
|
|
@Deprecated
|
|
public RequestExpectContinue() {
|
|
this(false);
|
|
}
|
|
|
|
/**
|
|
* @since 4.3
|
|
*/
|
|
public RequestExpectContinue(final boolean activeByDefault) {
|
|
super();
|
|
this.activeByDefault = activeByDefault;
|
|
}
|
|
|
|
public void process(final HttpRequest request, final HttpContext context)
|
|
throws HttpException, IOException {
|
|
Args.notNull(request, "HTTP request");
|
|
|
|
if (!request.containsHeader(HTTP.EXPECT_DIRECTIVE)) {
|
|
if (request instanceof HttpEntityEnclosingRequest) {
|
|
final ProtocolVersion ver = request.getRequestLine().getProtocolVersion();
|
|
final HttpEntity entity = ((HttpEntityEnclosingRequest)request).getEntity();
|
|
// Do not send the expect header if request body is known to be empty
|
|
if (entity != null
|
|
&& entity.getContentLength() != 0 && !ver.lessEquals(HttpVersion.HTTP_1_0)) {
|
|
final boolean active = request.getParams().getBooleanParameter(
|
|
CoreProtocolPNames.USE_EXPECT_CONTINUE, this.activeByDefault);
|
|
if (active) {
|
|
request.addHeader(HTTP.EXPECT_DIRECTIVE, HTTP.EXPECT_CONTINUE);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|