HttpClient4.5【封装篇】

package com.http.demo.http;
 
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.security.KeyManagementException;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;

import org.apache.commons.lang3.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.http.HttpEntity;
import org.apache.http.HttpStatus;
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.client.utils.URIBuilder;
import org.apache.http.config.Registry;
import org.apache.http.config.RegistryBuilder;
import org.apache.http.conn.socket.ConnectionSocketFactory;
import org.apache.http.conn.socket.PlainConnectionSocketFactory;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.conn.ssl.TrustStrategy;
import org.apache.http.entity.ContentType;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.ssl.SSLContexts;
import org.apache.http.util.EntityUtils;
 

/**
 * HttpClient工具类
 *
 */
public class HttpClientUtil {
   
   
	private static Log log = LogFactory.getLog(HttpClientUtil.class);
 
	public static final int CONNECTION_TIMEOUT = 5000;// 连接超时时间
 
	public static final int CONNECTION_REQUEST_TIMEOUT = 5000;// 请求超时时间
	
	public static final int SOCKET_TIMEOUT = 10000;// 数据读取等待超时
 
	public static final String HTTP = "http";// http
	
	public static final String HTTPS = "https";// https
	
	public static final int DEFAULT_HTTP_PORT = 80;// http端口
 
	public static final int DEFAULT_HTTPS_PORT = 443;// https端口
 
	public static final String DEFAULT_ENCODING = "UTF-8";// 默认编码
	
	/**
	 * get请求(1.处理http请求;2.处理https请求,信任所有证书)[默认编码:UTF-8]
	 * @param url (参数直接拼接到URL后面，即http://test.com?a=1&b=2的形式)
	 * @return
	 */
	public static String get(String url){
   
   
		return get(url, null, DEFAULT_ENCODING);
	}
	
	/**
	 * get请求(1.处理http请求;2.处理https请求,信任所有证书)[默认编码:UTF-8]
	 * @param url (url不带参数，例：http://test.com)
	 * @param reqMap (参数放置到一个map中)
	 * @return
	 */
	public static String get(String url, Map<String, String> reqMap){
   
   
		return get(url, reqMap, DEFAULT_ENCODING);
	}	
	
	/**
	 * get请求(1.处理http请求;2.处理https请求,信任所有证书)
	 * @param url (只能是http或https请求)
	 * @param encoding
	 * @return
	 */
	public static String get(String url, Map<String, String> reqMap,