package com.nanometer.smartlab.service;
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import org.apache.commons.io.IOUtils;
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import org.apache.http.HttpEntity;
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import org.apache.http.HttpResponse;
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import org.apache.http.NameValuePair;
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import org.apache.http.client.HttpClient;
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import org.apache.http.client.entity.UrlEncodedFormEntity;
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import org.apache.http.client.methods.HttpGet;
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import org.apache.http.client.methods.HttpPost;
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import org.apache.http.util.EntityUtils;
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import org.springframework.stereotype.Service;
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import javax.annotation.Resource;
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import java.io.IOException;
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import java.io.InputStream;
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import java.util.List;
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/**
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* Created by johnny on 15/11/18.
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*/
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@Service
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public class HttpClientService {
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private final static String ENCODING = "UTF-8";
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@Resource
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private HttpClient httpClient;
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public String httpGet(String url) throws IOException {
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HttpGet get = new HttpGet(url);
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try {
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HttpResponse response = this.httpClient.execute(get);
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HttpEntity entity = response.getEntity();
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InputStream is = entity.getContent();
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if (is == null) {
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return null;
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}
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return IOUtils.toString(is, ENCODING);
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} finally {
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get.releaseConnection();
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}
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}
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public String httpPost(String url, List<NameValuePair> formParams) throws IOException {
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HttpPost httpPost = new HttpPost(url);
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try {
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httpPost.setHeader("Content-Type", "application/x-www-form-urlencoded");
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httpPost.setEntity(new UrlEncodedFormEntity(formParams, "UTF-8"));
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HttpResponse response = httpClient.execute(httpPost);
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return EntityUtils.toString(response.getEntity());
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} finally {
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httpPost.releaseConnection();
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}
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}
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}
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