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Diffstat (limited to 'src/org/apache/http/protocol/ResponseServer.java')
-rw-r--r-- | src/org/apache/http/protocol/ResponseServer.java | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/src/org/apache/http/protocol/ResponseServer.java b/src/org/apache/http/protocol/ResponseServer.java new file mode 100644 index 0000000..44df593 --- /dev/null +++ b/src/org/apache/http/protocol/ResponseServer.java @@ -0,0 +1,71 @@ +/* + * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk/module-main/src/main/java/org/apache/http/protocol/ResponseServer.java $ + * $Revision: 576073 $ + * $Date: 2007-09-16 03:53:13 -0700 (Sun, 16 Sep 2007) $ + * + * ==================================================================== + * 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 org.apache.http.protocol; + +import java.io.IOException; + +import org.apache.http.HttpException; +import org.apache.http.HttpResponse; +import org.apache.http.HttpResponseInterceptor; +import org.apache.http.params.CoreProtocolPNames; + +/** + * A response interceptor that adds a Server header. + * For use on the server side. + * + * @author <a href="mailto:oleg at ural.ru">Oleg Kalnichevski</a> + * + * @version $Revision: 576073 $ + * + * @since 4.0 + */ +public class ResponseServer implements HttpResponseInterceptor { + + public ResponseServer() { + super(); + } + + public void process(final HttpResponse response, final HttpContext context) + throws HttpException, IOException { + if (response == null) { + throw new IllegalArgumentException("HTTP request may not be null"); + } + if (!response.containsHeader(HTTP.SERVER_HEADER)) { + String s = (String) response.getParams().getParameter( + CoreProtocolPNames.ORIGIN_SERVER); + if (s != null) { + response.addHeader(HTTP.SERVER_HEADER, s); + } + } + } + +} |