src/main/java/com/huaheng/common/utils/http/HttpUtils.java

package com.huaheng.common.utils.http;
import com.huaheng.common.utils.StringUtils;
import com.huaheng.framework.aspectj.ApiLogAspect;
import com.huaheng.pc.monitor.apilog.domain.ApiLog;
import org.apache.commons.io.IOUtils;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.client.methods.HttpPost;
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.*;
import java.math.BigDecimal;
import java.net.*;
import java.security.cert.X509Certificate;
/**
 * 通用http发送方法
 *
 * @author huaheng
 */
public class HttpUtils {
    private static final Logger log = LoggerFactory.getLogger(HttpUtils.class);
    /**
     * 向指定 URL 发送GET方法的请求
     *
     * @param url   发送请求的 URL
     * @param param 请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
     * @return 所代表远程资源的响应结果
     */
    public static String sendGet(String url, String param) {
        StringBuilder result = new StringBuilder();
        BufferedReader in = null;
        try {
            String urlNameString = url + "?" + param;
            log.info("sendGet - {}", urlNameString);
            URL realUrl = new URL(urlNameString);
            URLConnection connection = realUrl.openConnection();
            connection.setRequestProperty("accept", "*/*");
            connection.setRequestProperty("connection", "Keep-Alive");
            connection.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            connection.connect();
            in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
            String line;
            while ((line = in.readLine()) != null) {
                result.append(line);
            }
            log.info("recv - {}", result);
        } catch (ConnectException e) {
            log.error("调用HttpUtils.sendGet ConnectException, url=" + url + ",param=" + param, e.getMessage());
        } catch (SocketTimeoutException e) {
            log.error("调用HttpUtils.sendGet SocketTimeoutException, url=" + url + ",param=" + param, e.getMessage());
        } catch (IOException e) {
            log.error("调用HttpUtils.sendGet IOException, url=" + url + ",param=" + param, e.getMessage());
        } catch (Exception e) {
            log.error("调用HttpsUtil.sendGet Exception, url=" + url + ",param=" + param, e.getMessage());
        } finally {
            try {
                if (in != null) {
                    in.close();
                }
            } catch (Exception ex) {
                log.error("调用in.close Exception, url=" + url + ",param=" + param, ex.getMessage());
            }
        }
        return result.toString();
    }
    /**
     * 向指定 URL 发送POST方法的请求
     *
     * @param url   发送请求的 URL
     * @param param 请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
     * @return 所代表远程资源的响应结果
     */
    public static String sendPost(String url, String param) {
        PrintWriter out = null;
        BufferedReader in = null;
        StringBuilder result = new StringBuilder();
        try {
            String urlNameString = url + "?" + param;
            log.info("sendPost - {}", urlNameString);
            URL realUrl = new URL(urlNameString);
            URLConnection conn = realUrl.openConnection();
            conn.setRequestProperty("accept", "*/*");
            conn.setRequestProperty("connection", "Keep-Alive");
            conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            conn.setRequestProperty("Accept-Charset", "utf-8");
            conn.setRequestProperty("contentType", "utf-8");
            conn.setDoOutput(true);
            conn.setDoInput(true);
            out = new PrintWriter(conn.getOutputStream());
            out.print(param);
            out.flush();
            if (((HttpURLConnection) conn).getResponseCode() >= 390) {
                in = new BufferedReader(new InputStreamReader(((HttpURLConnection) conn).getErrorStream()));
            } else {
                in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
            }
//            in = new BufferedReader(new InputStreamReader(conn.getInputStream(), "utf-8"));
            String line;
            while ((line = in.readLine()) != null) {
                result.append(line);
            }
            log.info("recv - {}", result);
        } catch (ConnectException e) {
            log.error("调用HttpUtils.sendPost ConnectException, url=" + url + ",param=" + param, e.getMessage());
        } catch (SocketTimeoutException e) {
            log.error("调用HttpUtils.sendPost SocketTimeoutException, url=" + url + ",param=" + param, e.getMessage());
        } catch (IOException e) {
            log.error("调用HttpUtils.sendPost IOException, url=" + url + ",param=" + param, e.getMessage());
        } catch (Exception e) {
            log.error("调用HttpsUtil.sendPost Exception, url=" + url + ",param=" + param, e.getMessage());
        } finally {
            try {
                if (out != null) {
                    out.close();
                }
                if (in != null) {
                    in.close();
                }
            } catch (IOException ex) {
                log.error("调用in.close Exception, url=" + url + ",param=" + param, ex.getMessage());
            }
        }
        return result.toString();
    }
    public static String sendSSLPost(String url, String param) {
        StringBuilder result = new StringBuilder();
        String urlNameString = url + "?" + param;
        try {
            log.info("sendSSLPost - {}", urlNameString);
            SSLContext sc = SSLContext.getInstance("SSL");
            sc.init(null, new TrustManager[]{new TrustAnyTrustManager()}, new java.security.SecureRandom());
            URL console = new URL(urlNameString);
            HttpsURLConnection conn = (HttpsURLConnection) console.openConnection();
            conn.setRequestProperty("accept", "*/*");
            conn.setRequestProperty("connection", "Keep-Alive");
            conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            conn.setRequestProperty("Accept-Charset", "utf-8");
            conn.setRequestProperty("contentType", "utf-8");
            conn.setDoOutput(true);
            conn.setDoInput(true);
            conn.setSSLSocketFactory(sc.getSocketFactory());
            conn.setHostnameVerifier(new TrustAnyHostnameVerifier());
            conn.connect();
            InputStream is = conn.getInputStream();
            BufferedReader br = new BufferedReader(new InputStreamReader(is));
            String ret = "";
            while ((ret = br.readLine()) != null) {
                if (ret != null && !"".equals(ret.trim())) {
                    result.append(new String(ret.getBytes("ISO-8859-1"), "utf-8"));
                }
            }
            log.info("recv - {}", result);
            conn.disconnect();
            br.close();
        } catch (ConnectException e) {
            log.error("调用HttpUtils.sendSSLPost ConnectException, url=" + url + ",param=" + param, e.getMessage());
        } catch (SocketTimeoutException e) {
            log.error("调用HttpUtils.sendSSLPost SocketTimeoutException, url=" + url + ",param=" + param, e.getMessage());
        } catch (IOException e) {
            log.error("调用HttpUtils.sendSSLPost IOException, url=" + url + ",param=" + param, e.getMessage());
        } catch (Exception e) {
            log.error("调用HttpsUtil.sendSSLPost Exception, url=" + url + ",param=" + param, e.getMessage());
        }
        return result.toString();
    }
    //此方法是将参数以body形式发送post请求
    public static String bodypost(String strURL, String params, String warehouseCode) {
        return bodypost(strURL, params, warehouseCode, null);
    }
    //此方法是将参数以body形式发送post请求
    public static String bodypost(String strURL, String params, String warehouseCode, String apiName) {
        System.out.println(strURL);
        System.out.println(params);
        HttpURLConnection connection = null;
        InputStream is = null;
        OutputStreamWriter out = null;
        String result = null;
        ApiLog log = null;
        try {
            URL url = new URL(strURL);// 创建连接
            connection = (HttpURLConnection) url.openConnection();
            connection.setDoOutput(true);
            connection.setDoInput(true);
            connection.setUseCaches(false);
            connection.setInstanceFollowRedirects(true);
            connection.setRequestMethod("POST");// 设置请求方式
            connection.setRequestProperty("Accept", "application/json");// 设置接收数据的格式
            connection.setRequestProperty("Content-Type", "application/json");// 设置发送数据的格式
            if (StringUtils.isEmpty(apiName)) {
                log = ApiLogAspect.initApiLog(connection, params);
            } else {
                log = ApiLogAspect.initApiLog(connection, params, apiName);
            }
            connection.connect();
            out = new OutputStreamWriter(connection.getOutputStream(), "UTF-8");// utf-8编码
            out.append(params);
            out.flush();
            out.close(); // 读取响应
            int length = (int) connection.getContentLength();// 获取长度
            is = connection.getInputStream();
            BufferedReader br = new BufferedReader(new InputStreamReader(is));
            length = 10000;
            if (length > 0) {
                byte[] data = new byte[length];
                byte[] temp = new byte[512];
                int readLen = 0;
                int destPos = 0;
                while ((readLen = is.read(temp)) > 0) {
                    System.arraycopy(temp, 0, data, destPos, readLen);
                    destPos += readLen;
                }
                result = new String(data, "UTF-8");
                System.out.println(result);
            }
        } catch (Exception e) {
            ApiLogAspect.setApiLogException(log, e);
            e.printStackTrace();
        } finally {
            ApiLogAspect.finishApiLog(log, connection, result);
            if (connection != null) {
                connection.disconnect();
            }
            IOUtils.closeQuietly(out, is);
        }
        return result;
    }
    /**
     * 发送以json为参数的POST请求
     *
     * @param json
     * @param url
     * @return
     */
    public static String sendJsonPostToken(String json, String url) {
        String result = "";
        HttpPost post = new HttpPost(url);
        try {
            CloseableHttpClient httpClient = HttpClients.createDefault();
            post.setHeader("Content-Type", "application/json;charset=utf-8");
            post.addHeader("Authorization", "Basic YWRtaW46");
            StringEntity postingString = new StringEntity(json, "utf-8");
            post.setEntity(postingString);
            HttpResponse response = httpClient.execute(post);
            InputStream in = response.getEntity().getContent();
            BufferedReader br = new BufferedReader(new InputStreamReader(in, "utf-8"));
            StringBuilder strber = new StringBuilder();
            String line = null;
            while ((line = br.readLine()) != null) {
                strber.append(line + '\n');
            }
            br.close();
            in.close();
            result = strber.toString();
            if (response.getStatusLine().getStatusCode() != HttpStatus.SC_OK) {
                result = "服务器异常";
            }
        } catch (Exception e) {
            System.out.println("请求异常");
            throw new RuntimeException(e);
        } finally {
            post.abort();
        }
        return result;
    }
    private static class TrustAnyTrustManager implements X509TrustManager {
        @Override
        public void checkClientTrusted(X509Certificate[] chain, String authType) {
        }
        @Override
        public void checkServerTrusted(X509Certificate[] chain, String authType) {
        }
        @Override
        public X509Certificate[] getAcceptedIssuers() {
            return new X509Certificate[]{};
        }
    }
    private static class TrustAnyHostnameVerifier implements HostnameVerifier {
        @Override
        public boolean verify(String hostname, SSLSession session) {
            return true;
        }
    }
    public static void main(String[] args) {
        String str = "000002.5";
        BigDecimal bigDecimal = new BigDecimal(str);
        System.out.println(bigDecimal);
    }
}