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74 lines
3.0 KiB
Java
74 lines
3.0 KiB
Java
/*
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* ====================================================================
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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* ====================================================================
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*
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* This software consists of voluntary contributions made by many
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* individuals on behalf of the Apache Software Foundation. For more
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* information on the Apache Software Foundation, please see
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* <http://www.apache.org/>.
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*
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*/
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package ch.boye.httpclientandroidlib.impl.client;
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import java.io.IOException;
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import ch.boye.httpclientandroidlib.HttpEntity;
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import ch.boye.httpclientandroidlib.HttpResponse;
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import ch.boye.httpclientandroidlib.StatusLine;
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import ch.boye.httpclientandroidlib.annotation.Immutable;
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import ch.boye.httpclientandroidlib.client.HttpResponseException;
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import ch.boye.httpclientandroidlib.client.ResponseHandler;
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import ch.boye.httpclientandroidlib.util.EntityUtils;
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/**
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* A {@link ResponseHandler} that returns the response body as a String
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* for successful (2xx) responses. If the response code was >= 300, the response
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* body is consumed and an {@link HttpResponseException} is thrown.
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* <p/>
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* If this is used with
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* {@link ch.boye.httpclientandroidlib.client.HttpClient#execute(
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* ch.boye.httpclientandroidlib.client.methods.HttpUriRequest, ResponseHandler)},
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* HttpClient may handle redirects (3xx responses) internally.
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*
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* @since 4.0
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*/
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@Immutable
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public class BasicResponseHandler implements ResponseHandler<String> {
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/**
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* Returns the response body as a String if the response was successful (a
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* 2xx status code). If no response body exists, this returns null. If the
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* response was unsuccessful (>= 300 status code), throws an
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* {@link HttpResponseException}.
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*/
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public String handleResponse(final HttpResponse response)
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throws HttpResponseException, IOException {
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final StatusLine statusLine = response.getStatusLine();
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final HttpEntity entity = response.getEntity();
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if (statusLine.getStatusCode() >= 300) {
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EntityUtils.consume(entity);
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throw new HttpResponseException(statusLine.getStatusCode(),
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statusLine.getReasonPhrase());
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}
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return entity == null ? null : EntityUtils.toString(entity);
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}
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}
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