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+/*
+ * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk/module-main/src/main/java/org/apache/http/HttpRequestInterceptor.java $
+ * $Revision: 618367 $
+ * $Date: 2008-02-04 10:26:06 -0800 (Mon, 04 Feb 2008) $
+ *
+ * ====================================================================
+ * 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;
+
+import java.io.IOException;
+
+import org.apache.http.protocol.HttpContext;
+
+
+/**
+ * Processes a request.
+ * Provides the ability to process a request before it is sent
+ * to the server or after it has received on the server side.
+ *
+ * @author <a href="mailto:oleg at ural.ru">Oleg Kalnichevski</a>
+ *
+ *
+ * <!-- empty lines above to avoid 'svn diff' context problems -->
+ * @version $Revision: 618367 $
+ *
+ * @since 4.0
+ */
+public interface HttpRequestInterceptor {
+
+ /**
+ * Processes a request.
+ * On the client side, this step is performed before the request is
+ * sent to the server. On the server side, this step is performed
+ * on incoming messages before the message body is evaluated.
+ *
+ * @param request the request to preprocess
+ * @param context the context for the request
+ *
+ * @throws IOException in case of an IO problem
+ * @throws HttpException in case of a protocol or other problem
+ */
+ void process(HttpRequest request, HttpContext context)
+ throws HttpException, IOException;
+
+}