Httputils调用工具

import java.io.IOException;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
import java.security.KeyManagementException;
import java.security.KeyStore;
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.Date;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import javax.net.ssl.SSLContext;
import javax.servlet.http.HttpServletRequest;

import org.apache.http.Consts;
import org.apache.http.HttpEntity;
import org.apache.http.HttpStatus;
import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
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.config.Registry;
import org.apache.http.config.RegistryBuilder;
import org.apache.http.conn.socket.ConnectionSocketFactory;
import org.apache.http.conn.socket.LayeredConnectionSocketFactory;
import org.apache.http.conn.socket.PlainConnectionSocketFactory;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.conn.ssl.SSLContexts;
import org.apache.http.conn.ssl.TrustStrategy;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClientBuilder;
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;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.alibaba.fastjson.JSONObject;
import com.gjw.common.exception.BEException;

import tk.mybatis.mapper.util.StringUtil;

/**
 * http请求工具类
 */
public class HttpUtil {
    private static final Logger logger = LoggerFactory.getLogger(HttpUtil.class);
    private static int SocketTimeout = 3000;//3秒
    private static int ConnectTimeout = 3000;//3秒
    private static Boolean SetTimeOut = true;
    
    /**
     * 获取ip地址
     * @param request
     * @return
     */
    public static String getIpAddress(HttpServletRequest request) {
        String ip = request.getHeader("proxy_add_x_forwarded_for");
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("x-forwarded-for");
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("Proxy-Client-IP");
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("WL-Proxy-Client-IP");
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("HTTP_CLIENT_IP");
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("HTTP_X_FORWARDED_FOR");
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("X-Real-IP");
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getRemoteAddr();
        }
        return ip;
    }
    
//    /**
//     * 判断是否是ajax请求
//     * @param request
//     * @return
//     */
//    public static boolean isAjax(HttpServletRequest request){
//        return  (request.getHeader("X-Requested-With") != null
//                && "XMLHttpRequest".equals(request.getHeader("X-Requested-With").toString())) ;
//    }
//    /**
//     * 判断是否是ajax请求
//     * @param webRequest
//     * @return
//     */
//    public static boolean isAjaxRequest(WebRequest webRequest) {
//        String requestedWith = webRequest.getHeader("X-Requested-With");
//        return requestedWith != null ? "XMLHttpRequest".equals(requestedWith) : false;
//    }


    private static CloseableHttpClient getHttpClient() {
        RegistryBuilder registryBuilder = RegistryBuilder.create();
        ConnectionSocketFactory plainSF = new PlainConnectionSocketFactory();
        registryBuilder.register("http", plainSF);
        //指定信任密钥存储对象和连接套接字工厂
        try {
            KeyStore trustStore = KeyStore.getInstance(KeyStore.getDefaultType());
            //信任任何链接
            TrustStrategy anyTrustStrategy = new TrustStrategy() {
                @Override
                public boolean isTrusted(X509Certificate[] x509Certificates, String s) throws CertificateException {
                    return true;
                }
            };
            SSLContext sslContext = SSLContexts.custom().useTLS().loadTrustMaterial(trustStore, anyTrustStrategy).build();
            LayeredConnectionSocketFactory sslSF = new SSLConnectionSocketFactory(sslContext, SSLConnectionSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);
            registryBuilder.register("https", sslSF);
        } catch (KeyStoreException e) {
            logger.error(e.getMessage(),e);
            throw new RuntimeException(e);
        } catch (KeyManagementException e) {
            logger.error(e.getMessage(),e);
            throw new RuntimeException(e);
        } catch (NoSuchAlgorithmException e) {
            logger.error(e.getMessage(),e);
            throw new RuntimeException(e);
        }
        Registry registry = registryBuilder.build();
        //设置连接管理器
        PoolingHttpClientConnectionManager connManager = new PoolingHttpClientConnectionManager(registry);
//      connManager.setDefaultConnectionConfig(connConfig);
//      connManager.setDefaultSocketConfig(socketConfig);
        //构建客户端
        return HttpClientBuilder.create().setConnectionManager(connManager).build();
    }

    /**
     * get
     *
     * @param url     请求的url
     * @param queries 请求的参数，在浏览器？后面的数据，没有可以传null
     * @return
     * @throws IOException
     */
    public static String get(String url, Map queries) {
        String responseBody = "";
        //CloseableHttpClient httpClient=HttpClients.createDefault();
        //支持https
        CloseableHttpClient httpClient = getHttpClient();

        StringBuilder sb = new StringBuilder(url);

        if (queries != null && queries.keySet().size() > 0) {
            boolean firstFlag = true;
            Iterator iterator = queries.entrySet().iterator();
            while (iterator.hasNext()) {
                Map.Entry entry = (Map.Entry) iterator.next();
                if (firstFlag) {
                    sb.append("?" + (String) entry.getKey() + "=" + (String) entry.getValue());
                    firstFlag = false;
                } else {
                    sb.append("&" + (String) entry.getKey() + "=" + (String) entry.getValue());
                }
            }
        }

        HttpGet httpGet = new HttpGet(sb.toString());
        if (SetTimeOut) {
            RequestConfig requestConfig = RequestConfig.custom()
                    .setSocketTimeout(SocketTimeout)
                    .setConnectTimeout(ConnectTimeout).build();//设置请求和传输超时时间
            httpGet.setConfig(requestConfig);
        }
        try {
            logger.info("Executing request " + httpGet.getRequestLine());
            //请求数据
            CloseableHttpResponse response = httpClient.execute(httpGet);
            System.out.println(response.getStatusLine());
            int status = response.getStatusLine().getStatusCode();
            if (status == HttpStatus.SC_OK) {
                HttpEntity entity = response.getEntity();
                // do something useful with the response body
                // and ensure it is fully consumed
                responseBody = EntityUtils.toString(entity,"UTF-8");
                //EntityUtils.consume(entity);
            } else {
                logger.error("http return status error:" + status);
                throw new ClientProtocolException("Unexpected response status: " + status);
            }
        } catch (Exception ex) {
            ex.printStackTrace();
            logger.error(ex.getMessage(),ex);
        } finally {
            try {
                httpClient.close();
            } catch (IOException e) {
               logger.error(e.getMessage(),e);
            }
        }
        return responseBody;
    }

    /**
     * 返回InputStream 外部请注意关闭
     * @param url
     * @param queries
     * @return
     */
    public static byte[] getStream(String url, Map queries) {
            //支持https
            CloseableHttpClient httpClient = getHttpClient();
            InputStream inputStream = null ;
            StringBuilder sb = new StringBuilder(url);

            if (queries != null && queries.keySet().size() > 0) {
                boolean firstFlag = true;
                Iterator iterator = queries.entrySet().iterator();
                while (iterator.hasNext()) {
                    Map.Entry entry = (Map.Entry) iterator.next();
                    if (firstFlag) {
                        sb.append("?" + (String) entry.getKey() + "=" + (String) entry.getValue());
                        firstFlag = false;
                    } else {
                        sb.append("&" + (String) entry.getKey() + "=" + (String) entry.getValue());
                    }
                }
            }

            HttpGet httpGet = new HttpGet(sb.toString());
            if (SetTimeOut) {
                RequestConfig requestConfig = RequestConfig.custom()
                        .setSocketTimeout(SocketTimeout)
                        .setConnectTimeout(ConnectTimeout).build();//设置请求和传输超时时间
                httpGet.setConfig(requestConfig);
            }
            try {
                System.out.println("Executing request " + httpGet.getRequestLine());
                //请求数据
                CloseableHttpResponse response = httpClient.execute(httpGet);
                System.out.println(response.getStatusLine());
                int status = response.getStatusLine().getStatusCode();
                if (status == HttpStatus.SC_OK) {
                    HttpEntity entity = response.getEntity();
                    inputStream = entity.getContent();
                    int count = 0;
                    while (count == 0) {
                        count = Integer.parseInt(""+entity.getContentLength());//in.available();
                    }
                    byte[] bytes = new byte[count];
                    int readCount = 0; // 已经成功读取的字节的个数
                    while (readCount <= count) {
                        if(readCount == count)break;
                        readCount += inputStream.read(bytes, readCount, count - readCount);
                    }
                    inputStream.close();
                    return bytes;
                } else {
                    System.out.println("http return status error:" + status);
                    throw new ClientProtocolException("Unexpected response status: " + status);
                }
            } catch (Exception ex) {
                ex.printStackTrace();
                logger.error(ex.getMessage(),ex);
            } finally {
                try {
                    httpClient.close();
                } catch (IOException e) {
                   logger.error(e.getMessage(),e);
                }
            }
            return new byte[0];
        }

    /**
     * post
     *
     * @param url     请求的url
     * @param queries 请求的参数，在浏览器？后面的数据，没有可以传null
     * @param params  post form 提交的参数
     * @return
     * @throws IOException
     */
    public static String post(String url, Map queries, Map params) {
        String responseBody = "";
        //CloseableHttpClient httpClient = HttpClients.createDefault();
        //支持https
        CloseableHttpClient httpClient = getHttpClient();

        StringBuilder sb = new StringBuilder(url);

        if (queries != null && queries.keySet().size() > 0) {
            boolean firstFlag = true;
            Iterator iterator = queries.entrySet().iterator();
            while (iterator.hasNext()) {
                Map.Entry entry = (Map.Entry) iterator.next();
                if (firstFlag) {
                    sb.append("?" + (String) entry.getKey() + "=" + (String) entry.getValue());
                    firstFlag = false;
                } else {
                    sb.append("&" + (String) entry.getKey() + "=" + (String) entry.getValue());
                }
            }
        }

        //指定url,和http方式
        HttpPost httpPost = new HttpPost(sb.toString());
        if (SetTimeOut) {
            RequestConfig requestConfig = RequestConfig.custom()
                    .setSocketTimeout(SocketTimeout)
                    .setConnectTimeout(ConnectTimeout).build();//设置请求和传输超时时间
            httpPost.setConfig(requestConfig);
        }
        //添加参数
        List nvps = new ArrayList();
        if (params != null && params.keySet().size() > 0) {
            Iterator> iterator = params.entrySet().iterator();
            while (iterator.hasNext()) {
                Map.Entry entry = (Map.Entry) iterator.next();
                nvps.add(new BasicNameValuePair((String) entry.getKey(), (String) entry.getValue()));
            }
        }
        httpPost.setEntity(new UrlEncodedFormEntity(nvps, Consts.UTF_8));
        //请求数据
        CloseableHttpResponse response = null;
        try {
            response = httpClient.execute(httpPost);
        } catch (IOException e) {
            e.printStackTrace();
            logger.error(e.getMessage(),e);
        }
        try {
            System.out.println(response.getStatusLine());
            if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {
                HttpEntity entity = response.getEntity();
                // do something useful with the response body
                // and ensure it is fully consumed
                responseBody = EntityUtils.toString(entity,"UTF-8");
                //EntityUtils.consume(entity);
            } else {
                System.out.println("http return status error:" + response.getStatusLine().getStatusCode());
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            try {
                response.close();
            } catch (IOException e) {
                logger.error(e.getMessage(),e);
            }
        }
        return responseBody;
    }
    
    /**
     * 计算工作日
     * start="2017-09-28"  只接收这种格式，其他格式不接收
     * @author: gaog 
     * @date:   2017年10月10日 下午2:30:20
     */
	public static Integer getWorkDay(Date startTime, Date endTime){
        CloseableHttpClient httpclient = HttpClients.createDefault();
        HttpPost httppost = new HttpPost("http://www.fynas.com/workday/count");

        List pairs = new ArrayList();
        pairs.add(new BasicNameValuePair("start_date", DateUtil.formatYYYYMMDD(startTime)));
        pairs.add(new BasicNameValuePair("end_date", DateUtil.formatYYYYMMDD(endTime)));
        UrlEncodedFormEntity entity = null;
        try {
            entity = new UrlEncodedFormEntity(pairs, "UTF-8");
        } catch (UnsupportedEncodingException e) {
            throw BEException.me("组装请求数据失败！");
        }
        httppost.setEntity(entity);
        httppost.setHeader("Content-Type", "application/x-www-form-urlencoded");
        // 设置请求和传输超时时间
        RequestConfig requestConfig = RequestConfig.custom().setSocketTimeout(20000).setConnectTimeout(20000).build();
        httppost.setConfig(requestConfig);
        CloseableHttpResponse responseBody = null;
        String ret = "";
        try {
            responseBody = httpclient.execute(httppost);
            ret = EntityUtils.toString(responseBody.getEntity(), "UTF-8");
        } catch (ClientProtocolException e) {
            throw BEException.me("调用接口失败！");
        } catch (IOException e) {
            throw BEException.me("调用接口失败！");
        } finally {
            try {
                if (null != responseBody) {
                    responseBody.close();
                }
            } catch (IOException e) {
                throw BEException.me("调用接口失败！");
            }
            try {
                httpclient.close();
            } catch (IOException e) {
                throw BEException.me("调用接口失败！");
            }
        }
        if (StringUtil.isEmpty(ret)) {
            throw BEException.me("调用接口失败！");
        }
        if("0".equals(JSONObject.parseObject(ret).getString("status"))){
        	System.out.println("workday="+JSONObject.parseObject(JSONObject.parseObject(ret).getString("data")).getString("workday"));
        	String workday = JSONObject.parseObject(JSONObject.parseObject(ret).getString("data")).getString("workday");
        	return Integer.valueOf(workday);
        }else{
        	throw BEException.me("调用接口失败！");
        }
    }
	/**
	 *  start="2017-09-28"  只接收这种格式，其他格式不接收
	 * @author: gaog 
	 * @date:   2017年10月10日 下午2:57:32
	 */
	public static Date getWorkEnd(Date startTime, int days){
        CloseableHttpClient httpclient = HttpClients.createDefault();
        HttpPost httppost = new HttpPost("http://www.fynas.com/workday/end");

        List pairs = new ArrayList();
        pairs.add(new BasicNameValuePair("start_date", DateUtil.formatYYYYMMDD(startTime)));
        pairs.add(new BasicNameValuePair("days", days+""));
        UrlEncodedFormEntity entity = null;
        try {
            entity = new UrlEncodedFormEntity(pairs, "UTF-8");
        } catch (UnsupportedEncodingException e) {
        	System.out.println("http return status error:" + e.getMessage());
            throw BEException.me("组装请求数据失败！");
        }
        httppost.setEntity(entity);
        httppost.setHeader("Content-Type", "application/x-www-form-urlencoded");
        // 设置请求和传输超时时间
        RequestConfig requestConfig = RequestConfig.custom().setSocketTimeout(20000).setConnectTimeout(20000).build();
        httppost.setConfig(requestConfig);
        CloseableHttpResponse responseBody = null;
        String ret = "";
        try {
            responseBody = httpclient.execute(httppost);
            ret = EntityUtils.toString(responseBody.getEntity(), "UTF-8");
        } catch (ClientProtocolException e) {
        	System.out.println("http return status error:" + e.getMessage());
            throw BEException.me("调用接口失败！");
        } catch (IOException e) {
        	System.out.println("http return status error:" + e.getMessage());
            throw BEException.me("调用接口失败！");
        } finally {
            try {
                if (null != responseBody) {
                    responseBody.close();
                }
            } catch (IOException e) {
            	System.out.println("http return status error:" + e.getMessage());
                throw BEException.me("调用接口失败！");
            }
            try {
                httpclient.close();
            } catch (IOException e) {
            	System.out.println("http return status error:" + e.getMessage());
                throw BEException.me("调用接口失败！");
            }
        }
        if (StringUtil.isEmpty(ret)) {
            throw BEException.me("调用接口失败！");
        }
        if("0".equals(JSONObject.parseObject(ret).getString("status"))){
        	System.out.println("workend="+JSONObject.parseObject(ret).getString("data"));
        	return DateUtil.parse(JSONObject.parseObject(ret).getString("data"), "yyyy-MM-dd");
        }else{
        	System.out.println("http return status error:" + ret);
        	throw BEException.me("调用接口失败！");
        }
    }
}