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/*
* ====================================================================
* 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.client.protocol;
import java.io.IOException;
import java.util.Collection;
import ch.boye.httpclientandroidlib.Header;
import ch.boye.httpclientandroidlib.HttpException;
import ch.boye.httpclientandroidlib.HttpRequest;
import ch.boye.httpclientandroidlib.HttpRequestInterceptor;
import ch.boye.httpclientandroidlib.annotation.Immutable;
import ch.boye.httpclientandroidlib.client.params.ClientPNames;
import ch.boye.httpclientandroidlib.protocol.HttpContext;
import ch.boye.httpclientandroidlib.util.Args;
/**
* Request interceptor that adds default request headers.
*
* @since 4.0
*/
@SuppressWarnings("deprecation")
@Immutable
public class RequestDefaultHeaders implements HttpRequestInterceptor {
private final Collection<? extends Header> defaultHeaders;
/**
* @since 4.3
*/
public RequestDefaultHeaders(final Collection<? extends Header> defaultHeaders) {
super();
this.defaultHeaders = defaultHeaders;
}
public RequestDefaultHeaders() {
this(null);
}
public void process(final HttpRequest request, final HttpContext context)
throws HttpException, IOException {
Args.notNull(request, "HTTP request");
final String method = request.getRequestLine().getMethod();
if (method.equalsIgnoreCase("CONNECT")) {
return;
}
// Add default headers
@SuppressWarnings("unchecked")
Collection<? extends Header> defHeaders = (Collection<? extends Header>)
request.getParams().getParameter(ClientPNames.DEFAULT_HEADERS);
if (defHeaders == null) {
defHeaders = this.defaultHeaders;
}
if (defHeaders != null) {
for (final Header defHeader : defHeaders) {
request.addHeader(defHeader);
}
}
}
}
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