package com.app.dts.action;
import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.Charset;
import java.security.GeneralSecurityException;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLException;
import javax.net.ssl.SSLSession;
import javax.net.ssl.SSLSocket;
import org.apache.commons.io.IOUtils;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.entity.UrlEncodedFormEntity;
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.conn.ssl.SSLContextBuilder;
import org.apache.http.conn.ssl.TrustStrategy;
import org.apache.http.conn.ssl.X509HostnameVerifier;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;
/**
* @FileName HttpsUtils.java
* @Description: HTTP 请求工具类
*
* @Date 2017年6月26日
*
*/
public class HttpUtils {
private static PoolingHttpClientConnectionManager connMgr;
private static RequestConfig requestConfig;
private static final int MAX_TIMEOUT = 7000;
static {
// 设置连接池 connMgr =
new PoolingHttpClientConnectionManager();
// 设置连接池大小 connMgr.setMaxTotal(
100); connMgr.setDefaultMaxPerRoute(connMgr.getMaxTotal()); RequestConfig.Builder configBuilder = RequestConfig.custom();
// 设置连接超时 configBuilder.setConnectTimeout(MAX_TIMEOUT);
// 设置读取超时 configBuilder.setSocketTimeout(MAX_TIMEOUT);
// 设置从连接池获取连接实例的超时 configBuilder.setConnectionRequestTimeout(MAX_TIMEOUT);
// 在提交请求之前 测试连接是否可用 configBuilder.setStaleConnectionCheckEnabled(
true); requestConfig = configBuilder.build(); }
/**
* 发送 GET 请求（HTTP），不带输入数据
*
* @param url
* @return
*/
public static String doGet(String url) {
return doGet(url, new HashMap<String, Object>()); }
/**
* 发送 GET 请求（HTTP），K-V形式
*
* @param url
* @param params
* @return
*/ @SuppressWarnings({
“resource”, “deprecation” })
public static String doGet(String url, Map<String, Object> params) {
String apiUrl = url; StringBuffer param =
new StringBuffer();
int i = 0;
for (String key : params.keySet()) {
if (i == 0) param.
append(“?”);
else param.
append(“&”); param.
append(key).append(“=”).append(params.get(key)); i++; } apiUrl += param;
String result = null; HttpClient httpclient =
new DefaultHttpClient();
try { HttpGet httpPost =
new HttpGet(apiUrl); HttpResponse response = httpclient.execute(httpPost);
int statusCode = response.getStatusLine().getStatusCode(); System.out.
println(“执行状态码 : ” + statusCode); HttpEntity entity = response.getEntity();
if (entity != null) { InputStream instream = entity.getContent(); result = IOUtils.toString(instream,
“UTF-8”); } }
catch (IOException e) { e.printStackTrace(); }
return result; }
/**
* 发送 POST 请求（HTTP），不带输入数据
*
* @param apiUrl
* @return
*/
public static String doPost(String apiUrl) {
return doPost(apiUrl, new HashMap<String, Object>()); }
/**
* 发送 POST 请求（HTTP），K-V形式
*
* @param apiUrl API接口URL
* @param params 参数map
* @return
*/
public static String doPost(String apiUrl, Map<String, Object> params) { CloseableHttpClient httpClient = HttpClients.createDefault();
String httpStr = null; HttpPost httpPost =
new HttpPost(apiUrl); CloseableHttpResponse response =
null;
try { httpPost.setConfig(requestConfig); List<NameValuePair> pairList =
new ArrayList<>(params.size());
for (Map.Entry<String, Object> entry : params.entrySet()) { NameValuePair pair =
new BasicNameValuePair(entry.getKey(), entry.getValue().toString()); pairList.
add(pair); } httpPost.setEntity(
new UrlEncodedFormEntity(pairList, Charset.forName(“UTF-8”))); response = httpClient.execute(httpPost); System.out.
println(response.toString()); HttpEntity entity = response.getEntity(); httpStr = EntityUtils.toString(entity,
“UTF-8”); }
catch (IOException e) { e.printStackTrace(); }
finally {
if (response != null) {
try { EntityUtils.consume(response.getEntity()); }
catch (IOException e) { e.printStackTrace(); } } }
return httpStr; }
/**
* 发送 POST 请求（HTTP），JSON形式
*
* @param apiUrl
* @param json json对象
* @return
*/
public static String doPost(String apiUrl, Object json) { CloseableHttpClient httpClient = HttpClients.createDefault();
String httpStr = null; HttpPost httpPost =
new HttpPost(apiUrl); CloseableHttpResponse response =
null;
try { httpPost.setConfig(requestConfig); StringEntity stringEntity =
new StringEntity(json.toString(), “UTF-8”);// 解决中文乱码问题 stringEntity.setContentEncoding(
“UTF-8”); stringEntity.setContentType(
“application/json”); httpPost.setEntity(stringEntity); response = httpClient.execute(httpPost); HttpEntity entity = response.getEntity(); System.out.
println(response.getStatusLine().getStatusCode()); httpStr = EntityUtils.toString(entity,
“UTF-8”); }
catch (IOException e) { e.printStackTrace(); }
finally {
if (response != null) {
try { EntityUtils.consume(response.getEntity()); }
catch (IOException e) { e.printStackTrace(); } } }
return httpStr; }
/**
* 发送 SSL POST 请求（HTTPS），K-V形式
*
* @param apiUrl API接口URL
* @param params 参数map
* @return
*/
public static String doPostSSL(String apiUrl, Map<String, Object> params) { CloseableHttpClient httpClient = HttpClients.custom().setSSLSocketFactory(createSSLConnSocketFactory()) .setConnectionManager(connMgr).setDefaultRequestConfig(requestConfig).build(); HttpPost httpPost =
new HttpPost(apiUrl); CloseableHttpResponse response =
null;
String httpStr = null;
try { httpPost.setConfig(requestConfig); List<NameValuePair> pairList =
new ArrayList<NameValuePair>(params.size());
for (Map.Entry<String, Object> entry : params.entrySet()) { NameValuePair pair =
new BasicNameValuePair(entry.getKey(), entry.getValue().toString()); pairList.
add(pair); } httpPost.setEntity(
new UrlEncodedFormEntity(pairList, Charset.forName(“utf-8”))); response = httpClient.execute(httpPost);
int statusCode = response.getStatusLine().getStatusCode();
if (statusCode != HttpStatus.SC_OK) {
return null; } HttpEntity entity = response.getEntity();
if (entity == null) {
return null; } httpStr = EntityUtils.toString(entity,
“utf-8”); }
catch (Exception e) { e.printStackTrace(); }
finally {
if (response != null) {
try { EntityUtils.consume(response.getEntity()); }
catch (IOException e) { e.printStackTrace(); } } }
return httpStr; }
/**
* 发送 SSL POST 请求（HTTPS），JSON形式
*
* @param apiUrl API接口URL
* @param json JSON对象
* @return
*/
public static String doPostSSL(String apiUrl, Object json) { CloseableHttpClient httpClient = HttpClients.custom().setSSLSocketFactory(createSSLConnSocketFactory()) .setConnectionManager(connMgr).setDefaultRequestConfig(requestConfig).build(); HttpPost httpPost =
new HttpPost(apiUrl); CloseableHttpResponse response =
null;
String httpStr = null;
try { httpPost.setConfig(requestConfig); StringEntity stringEntity =
new StringEntity(json.toString(), “UTF-8”);// 解决中文乱码问题 stringEntity.setContentEncoding(
“UTF-8”); stringEntity.setContentType(
“application/json”); httpPost.setEntity(stringEntity); response = httpClient.execute(httpPost);
int statusCode = response.getStatusLine().getStatusCode();
if (statusCode != HttpStatus.SC_OK) {
return null; } HttpEntity entity = response.getEntity();
if (entity == null) {
return null; } httpStr = EntityUtils.toString(entity,
“utf-8”); }
catch (Exception e) { e.printStackTrace(); }
finally {
if (response != null) {
try { EntityUtils.consume(response.getEntity()); }
catch (IOException e) { e.printStackTrace(); } } }
return httpStr; }
/**
* 创建SSL安全连接
*
* @return
*/
private static SSLConnectionSocketFactory createSSLConnSocketFactory() { SSLConnectionSocketFactory sslsf =
null;
try { SSLContext sslContext =
new SSLContextBuilder().loadTrustMaterial(null, new TrustStrategy() {
public boolean isTrusted(X509Certificate[] chain, String authType) throws CertificateException {
return true; } }).build(); sslsf =
new SSLConnectionSocketFactory(sslContext, new X509HostnameVerifier() { @Override
public boolean verify(String arg0, SSLSession arg1) {
return true; } @Override
public void verify(String host, SSLSocket ssl) throws IOException { } @Override
public void verify(String host, X509Certificate cert) throws SSLException { } @Override
public void verify(String host, String[] cns, String[] subjectAlts) throws SSLException { } }); }
catch (GeneralSecurityException e) { e.printStackTrace(); }
return sslsf; } }