HttpClientUtils.java
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package com.bsth.util;
import org.apache.http.HttpEntity;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.entity.EntityBuilder;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.net.ssl.*;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
/**
* Created by panzhao on 2017/8/2.
*/
public class HttpClientUtils {
static Logger logger = LoggerFactory.getLogger(HttpClientUtils.class);
private final static String HTTPS = "https://";
private static SSLConnectionSocketFactory sslConnectionSocketFactory;
static {
try {
SSLContext sslCtx = SSLContext.getInstance("TLSv1.2");
sslCtx.init(null, new TrustManager[] {
new X509TrustManager() {
@Override
public void checkClientTrusted(X509Certificate[] x509Certificates, String s) throws CertificateException {
}
@Override
public void checkServerTrusted(X509Certificate[] x509Certificates, String s) throws CertificateException {
}
@Override
public X509Certificate[] getAcceptedIssuers() {
return null;
}
}
}, null);
sslConnectionSocketFactory = new SSLConnectionSocketFactory(sslCtx, new HostnameVerifier() {
@Override
public boolean verify(String hostname, SSLSession session) {
// TODO Auto-generated method stub
return true;
}
});
} catch (Exception e) {
logger.error("SSL context set fail: {}", e);
}
}
public static CloseableHttpClient defaultHttpClient(String url) {
if (url.startsWith(HTTPS)) {
return HttpClients.custom().setSSLSocketFactory(sslConnectionSocketFactory).build();
}
return HttpClients.createDefault();
}
public static StringBuilder get(String url) throws Exception {
CloseableHttpClient httpClient = null;
CloseableHttpResponse response = null;
StringBuilder stringBuffer = null;
try {
httpClient = HttpClients.createDefault();
HttpGet get = new HttpGet(url);
//超时时间
RequestConfig requestConfig = RequestConfig.custom()
.setConnectTimeout(10500).setConnectionRequestTimeout(7000)
.setSocketTimeout(10500).build();
get.setConfig(requestConfig);
get.addHeader("Content-Encoding", "gzip");
response = httpClient.execute(get);
stringBuffer = getResult(response.getEntity());
} catch (Exception e) {
logger.error("", e);
} finally {
if (null != httpClient)
httpClient.close();
if (null != response)
response.close();
}
return stringBuffer;
}
/**
* raw post data
* @param url
* @param data
* @return
*/
public static StringBuilder post(String url, String data) throws Exception {
CloseableHttpClient httpClient = null;
CloseableHttpResponse response = null;
StringBuilder stringBuffer = null;
try {
httpClient = HttpClients.createDefault();
HttpPost post = new HttpPost(url);
post.setHeader("Accept", "application/json");
post.setHeader("Content-Type", "application/json;charset=UTF-8");
//超时时间
RequestConfig requestConfig = RequestConfig.custom()
.setConnectTimeout(2500).setConnectionRequestTimeout(2000)
.setSocketTimeout(3500).build();
post.setConfig(requestConfig);
post.setEntity((new StringEntity(data, "UTF-8")));
response = httpClient.execute(post);
stringBuffer = getResult(response.getEntity());
} catch (Exception e) {
logger.error("", e);
} finally {
if (null != httpClient)
httpClient.close();
if (null != response)
response.close();
}
return stringBuffer;
}
private static StringBuilder getResult(HttpEntity entity) throws IOException {
StringBuilder stringBuffer = null;
if (null != entity) {
BufferedReader br = new BufferedReader(new InputStreamReader(entity.getContent()));
stringBuffer = new StringBuilder();
String str = "";
while ((str = br.readLine()) != null)
stringBuffer.append(str);
}
return stringBuffer;
}
}