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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
 * .
 *
 */

package org.apache.http;

import java.util.Locale;

/**
 * After receiving and interpreting a request message, a server responds
 * with an HTTP response message.
 * 
 *     Response      = Status-Line
 *                     *(( general-header
 *                      | response-header
 *                      | entity-header ) CRLF)
 *                     CRLF
 *                     [ message-body ]
 * 
* * @since 4.0 */ public interface HttpResponse extends HttpMessage { /** * Obtains the status line of this response. * The status line can be set using one of the * {@link #setStatusLine setStatusLine} methods, * or it can be initialized in a constructor. * * @return the status line, or {@code null} if not yet set */ StatusLine getStatusLine(); /** * Sets the status line of this response. * * @param statusline the status line of this response */ void setStatusLine(StatusLine statusline); /** * Sets the status line of this response. * The reason phrase will be determined based on the current * {@link #getLocale locale}. * * @param ver the HTTP version * @param code the status code */ void setStatusLine(ProtocolVersion ver, int code); /** * Sets the status line of this response with a reason phrase. * * @param ver the HTTP version * @param code the status code * @param reason the reason phrase, or {@code null} to omit */ void setStatusLine(ProtocolVersion ver, int code, String reason); /** * Updates the status line of this response with a new status code. * * @param code the HTTP status code. * * @throws IllegalStateException * if the status line has not be set * * @see HttpStatus * @see #setStatusLine(StatusLine) * @see #setStatusLine(ProtocolVersion,int) */ void setStatusCode(int code) throws IllegalStateException; /** * Updates the status line of this response with a new reason phrase. * * @param reason the new reason phrase as a single-line string, or * {@code null} to unset the reason phrase * * @throws IllegalStateException * if the status line has not be set * * @see #setStatusLine(StatusLine) * @see #setStatusLine(ProtocolVersion,int) */ void setReasonPhrase(String reason) throws IllegalStateException; /** * Obtains the message entity of this response, if any. * The entity is provided by calling {@link #setEntity setEntity}. * * @return the response entity, or * {@code null} if there is none */ HttpEntity getEntity(); /** * Associates a response entity with this response. *

* Please note that if an entity has already been set for this response and it depends on * an input stream ({@link HttpEntity#isStreaming()} returns {@code true}), * it must be fully consumed in order to ensure release of resources. * * @param entity the entity to associate with this response, or * {@code null} to unset * * @see HttpEntity#isStreaming() * @see org.apache.http.util.EntityUtils#updateEntity(HttpResponse, HttpEntity) */ void setEntity(HttpEntity entity); /** * Obtains the locale of this response. * The locale is used to determine the reason phrase * for the {@link #setStatusCode status code}. * It can be changed using {@link #setLocale setLocale}. * * @return the locale of this response, never {@code null} */ Locale getLocale(); /** * Changes the locale of this response. * * @param loc the new locale */ void setLocale(Locale loc); }





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