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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
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 * .
 *
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package org.apache.http.impl.client;

import java.io.IOException;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.StatusLine;
import org.apache.http.annotation.Immutable;
import org.apache.http.client.HttpResponseException;
import org.apache.http.client.ResponseHandler;
import org.apache.http.util.EntityUtils;

/**
 * A {@link ResponseHandler} that returns the response body as a String
 * for successful (2xx) responses. If the response code was >= 300, the response
 * body is consumed and an {@link HttpResponseException} is thrown.
 * 

* If this is used with * {@link org.apache.http.client.HttpClient#execute( * org.apache.http.client.methods.HttpUriRequest, ResponseHandler)}, * HttpClient may handle redirects (3xx responses) internally. * * @since 4.0 */ @Immutable public class BasicResponseHandler implements ResponseHandler { /** * Returns the response body as a String if the response was successful (a * 2xx status code). If no response body exists, this returns null. If the * response was unsuccessful (>= 300 status code), throws an * {@link HttpResponseException}. */ public String handleResponse(final HttpResponse response) throws HttpResponseException, IOException { final StatusLine statusLine = response.getStatusLine(); final HttpEntity entity = response.getEntity(); if (statusLine.getStatusCode() >= 300) { EntityUtils.consume(entity); throw new HttpResponseException(statusLine.getStatusCode(), statusLine.getReasonPhrase()); } return entity == null ? null : EntityUtils.toString(entity); } }





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