package com.rambo.tools;
import org.apache.http.HttpEntity;
import org.apache.http.NameValuePair;
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.DefaultHostnameVerifier;
import org.apache.http.conn.util.PublicSuffixMatcher;
import org.apache.http.conn.util.PublicSuffixMatcherLoader;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;
import java.io.IOException;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
/**
* Create by Rambo on 2017/5/9
* HTTP 服务工具类，包括 带参数的 post/http get/htts get 方法
**/
public class HttpClientUtil {
private RequestConfig requestConfig = RequestConfig.custom().setSocketTimeout(15000).setConnectTimeout(15000).setConnectionRequestTimeout(15000).build();
private static HttpClientUtil instance = null;
private HttpClientUtil() {
}
public static HttpClientUtil getInstance() {
if (instance == null) {
instance = new HttpClientUtil();
}
return instance;
}
/**
* Description:发送 post请求
*
* @param httpUrl 地址
*/
public String sendHttpPost(String httpUrl) {
HttpPost httpPost = new HttpPost(httpUrl);
return sendHttpPost(httpPost, null);
}
/**
* Description:发送 post请求
*
* @param httpUrl 地址
* @param params 参数(格式:key1=value1&key2=value2)
*/
public String sendHttpPost(String httpUrl, String params) {
HttpPost httpPost = new HttpPost(httpUrl);
try {
StringEntity stringEntity = new StringEntity(params, "UTF-8");
stringEntity.setContentType("application/x-www-form-urlencoded");
httpPost.setEntity(stringEntity);
} catch (Exception e) {
e.printStackTrace();
}
return sendHttpPost(httpPost, null);
}
/**
* Description:发送 post请求
*
* @param httpUrl 地址
* @param params 参数(格式:key1=value1&key2=value2)
* @param charset 请求参数字符集
*/
public String sendHttpPost(String httpUrl, String params, String charset) {
HttpPost httpPost = new HttpPost(httpUrl);
try {
StringEntity stringEntity = new StringEntity(params, charset);
stringEntity.setContentType("application/x-www-form-urlencoded");
httpPost.setEntity(stringEntity);
} catch (Exception e) {
e.printStackTrace();
}
return sendHttpPost(httpPost, charset);
}
/**
* Description:发送 post请求
*
* @param httpUrl 地址
* @param maps 参数
*/
public String sendHttpPost(String httpUrl, Map<String, String> maps) {
HttpPost httpPost = new HttpPost(httpUrl);
List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>();
for (String key : maps.keySet()) {
nameValuePairs.add(new BasicNameValuePair(key, maps.get(key)));
}
try {
httpPost.setEntity(new UrlEncodedFormEntity(nameValuePairs, "UTF-8"));
} catch (Exception e) {
e.printStackTrace();
}
return sendHttpPost(httpPost, null);
}
/**
* Description:发送 post请求
*
* @param httpUrl 地址
* @param headParam 请求头设置的参数
* @param reqParams 请求参数
*/
public String sendHttpPost(String httpUrl, Map<String, String> headParam, Map<String, String> reqParams) {
HttpPost httpPost = new HttpPost(httpUrl);
try {
for (String key : headParam.keySet()) {
httpPost.setHeader(key, headParam.get(key));
}
List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>();
for (String key1 : reqParams.keySet()) {
nameValuePairs.add(new BasicNameValuePair(key1, reqParams.get(key1)));
}
httpPost.setEntity(new UrlEncodedFormEntity(nameValuePairs, "UTF-8"));
} catch (Exception e) {
e.printStackTrace();
}
return sendHttpPost(httpPost, null);
}
/**
* Description:发送 post请求
*
* @param httpUrl 地址
* @param maps 参数
* @param charset post 携带参数的字符集
*/
public String sendHttpPost(String httpUrl, Map<String, String> maps, String charset) {
HttpPost httpPost = new HttpPost(httpUrl);
List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>();
for (String key : maps.keySet()) {
nameValuePairs.add(new BasicNameValuePair(key, maps.get(key)));
}
try {
httpPost.setEntity(new UrlEncodedFormEntity(nameValuePairs, charset));
} catch (Exception e) {
e.printStackTrace();
}
return sendHttpPost(httpPost, charset);
}
/**
* 发送 get请求
*
* @param httpUrl 请求地址
*/
public String sendHttpGet(String httpUrl) {
HttpGet httpGet = new HttpGet(httpUrl);
return sendHttpGet(httpGet, null);
}
/**
* 发送 get请求
*
* @param httpUrl 请求地址
* @param charset 返回数据字符集
*/
public String sendHttpGet(String httpUrl, String charset) {
HttpGet httpGet = new HttpGet(httpUrl);
return sendHttpGet(httpGet, charset);
}
/**
* 发送 Https get请求
*
* @param httpUrl 请求连接
*/
public String sendHttpsGet(String httpUrl) {
HttpGet httpGet = new HttpGet(httpUrl);
return sendHttpsGet(httpGet, null);
}
/**
* 发送 Https get请求
*
* @param httpUrl 请求连接
* @param charset 返回数据字符集
*/
public String sendHttpsGet(String httpUrl, String charset) {
HttpGet httpGet = new HttpGet(httpUrl);
return sendHttpsGet(httpGet, charset);
}
/**
* 发送Post请求
*
* @param httpPost post 对象
* @param charset 返回数据字符集
*/
private String sendHttpPost(HttpPost httpPost, String charset) {
CloseableHttpClient httpClient = HttpClients.createDefault();
httpPost.setConfig(requestConfig);
CloseableHttpResponse response = null;
try {
response = httpClient.execute(httpPost);
String retMessage = EntityUtils.toString(response.getEntity(), StringUtil.isEmpty(charset) ? "UTF-8" : charset);
EntityUtils.consume(response.getEntity());
return retMessage;
} catch (Exception e) {
e.printStackTrace();
} finally {
closeResource(response, httpClient);
}
return null;
}
/**
* 发送Get请求
*
* @param httpGet httpget 对象
* @param charset 字符集
*/
private String sendHttpGet(HttpGet httpGet, String charset) {
CloseableHttpClient httpClient = null;
CloseableHttpResponse response = null;
try {
httpClient = HttpClients.createDefault();
httpGet.setConfig(requestConfig);
response = httpClient.execute(httpGet);
HttpEntity entity = response.getEntity();
String retMessage = EntityUtils.toString(entity, StringUtil.isEmpty(charset) ? "UTF-8" : charset);
EntityUtils.consume(response.getEntity());
return retMessage;
} catch (Exception e) {
e.printStackTrace();
} finally {
closeResource(response, httpClient);
}
return null;
}
/**
* 发送Get请求Https
*
* @param httpGet httpget 对象
* @param charset 字符集
*/
private String sendHttpsGet(HttpGet httpGet, String charset) {
CloseableHttpClient httpClient = null;
CloseableHttpResponse response = null;
String responseContent = null;
try {
PublicSuffixMatcher publicSuffixMatcher = PublicSuffixMatcherLoader.load(new URL(httpGet.getURI().toString()));
DefaultHostnameVerifier hostnameVerifier = new DefaultHostnameVerifier(publicSuffixMatcher);
httpClient = HttpClients.custom().setSSLHostnameVerifier(hostnameVerifier).build();
httpGet.setConfig(requestConfig);
response = httpClient.execute(httpGet);
responseContent = EntityUtils.toString(response.getEntity(), StringUtil.isEmpty(charset) ? "UTF-8" : charset);
} catch (Exception e) {
e.printStackTrace();
} finally {
closeResource(response, httpClient);
}
return responseContent;
}
/**
* Description:关闭资源
*/
private void closeResource(CloseableHttpResponse response, CloseableHttpClient httpClient) {
try {
// 关闭连接,释放资源
if (response != null) {
response.close();
}
if (httpClient != null) {
httpClient.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
}