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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;
+
+import ch.boye.httpclientandroidlib.HttpRequest;
+import ch.boye.httpclientandroidlib.HttpResponse;
+import ch.boye.httpclientandroidlib.ProtocolException;
+import ch.boye.httpclientandroidlib.client.methods.HttpUriRequest;
+import ch.boye.httpclientandroidlib.protocol.HttpContext;
+
+/**
+ * A strategy for determining if an HTTP request should be redirected to
+ * a new location in response to an HTTP response received from the target
+ * server.
+ * <p>
+ * Implementations of this interface must be thread-safe. Access to shared
+ * data must be synchronized as methods of this interface may be executed
+ * from multiple threads.
+ *
+ * @since 4.1
+ */
+public interface RedirectStrategy {
+
+ /**
+ * Determines if a request should be redirected to a new location
+ * given the response from the target server.
+ *
+ * @param request the executed request
+ * @param response the response received from the target server
+ * @param context the context for the request execution
+ *
+ * @return <code>true</code> if the request should be redirected, <code>false</code>
+ * otherwise
+ */
+ boolean isRedirected(
+ HttpRequest request,
+ HttpResponse response,
+ HttpContext context) throws ProtocolException;
+
+ /**
+ * Determines the redirect location given the response from the target
+ * server and the current request execution context and generates a new
+ * request to be sent to the location.
+ *
+ * @param request the executed request
+ * @param response the response received from the target server
+ * @param context the context for the request execution
+ *
+ * @return redirected request
+ */
+ HttpUriRequest getRedirect(
+ HttpRequest request,
+ HttpResponse response,
+ HttpContext context) throws ProtocolException;
+
+}