• httpsClient实例


    1. import java.io.BufferedReader;  
    2. import java.io.File;  
    3. import java.io.FileInputStream;  
    4. import java.io.FileReader;  
    5. import java.io.IOException;  
    6. import java.io.InputStream;  
    7. import java.io.InputStreamReader;  
    8. import java.io.OutputStream;  
    9. import java.net.URL;  
    10. import java.util.HashMap;  
    11. import java.util.Iterator;  
    12. import java.util.Map;  
    13.   
    14. import javax.el.PropertyNotFoundException;  
    15. import javax.net.ssl.HostnameVerifier;  
    16. import javax.net.ssl.HttpsURLConnection;  
    17. import javax.net.ssl.SSLSession;  
    18.   
    19. /** 
    20.  * https访问工具类 
    21.  * @author Cat 
    22.  * 
    23.  */  
    24. public class HttpsClient {  
    25.       
    26.     //读超时30s  
    27.     private final int timeout = 30000;  
    28.       
    29.     private Map<String, String>   reqProperty = null;  
    30.     private String reqEncode = "UTF-8";  
    31.     private String respEncode = "UTF-8";  
    32.       
    33.       
    34.     public HttpsClient(){  
    35.         String trustStore = System.getProperty("javax.net.ssl.trustStore");  
    36.           
    37.         //抑制证书域名与实际域名不匹配的警告  
    38.         HostnameVerifier hv = new HostnameVerifier() {  
    39.   
    40.             public boolean verify(String urlHostName, SSLSession session) {  
    41.                 System.out.println("Warning: URL Host: " + urlHostName  
    42.                 + " vs. " + session.getPeerHost());  
    43.                 return true;  
    44.             }  
    45.   
    46.         };  
    47.         HttpsURLConnection.setDefaultHostnameVerifier(hv);  
    48.           
    49.         //初始化请求参数  
    50.         reqProperty = new HashMap<String, String>();  
    51.         reqProperty.put("Content-Type", "text/xml");  
    52.           
    53.     }  
    54.       
    55.     //设置请求参数  
    56.     public void setRequestProperty(Map<String, String> reqProperty) {  
    57.         this.reqProperty.putAll(reqProperty);  
    58.     }  
    59.       
    60.     public String doGet(String urlstr) throws IOException {  
    61.         URL url = new URL(urlstr);  
    62.         HttpsURLConnection connection = (HttpsURLConnection) url.openConnection();  
    63.         fetchReqMap(connection);//设置请求属性  
    64.         connection.setReadTimeout(timeout);  
    65.         connection.setDoOutput(false); // true for POST, false for GET  
    66.         connection.setDoInput(true);  
    67.         connection.setRequestMethod("GET");  
    68.         connection.setUseCaches(false);  
    69.           
    70.         String aLine = null;  
    71.         String ret = "";  
    72.         InputStream is = connection.getInputStream();  
    73.         BufferedReader aReader = new BufferedReader(new InputStreamReader(is, this.getRespEncode()));  
    74.           
    75.   
    76.         while ((aLine = aReader.readLine()) != null) {  
    77.             ret += aLine+ " ";;  
    78.         }  
    79.   
    80.   
    81.         aReader.close();  
    82.         connection.disconnect();  
    83.           
    84.         return ret;  
    85.     }  
    86.       
    87.     public String doPost(String urlstr,byte data[]) throws IOException {  
    88.         URL url = new URL(urlstr);  
    89.         HttpsURLConnection connection = (HttpsURLConnection) url.openConnection();  
    90.         fetchReqMap(connection);  
    91. //      connection.setRequestProperty("SOAPAction","https://hms.wellcare.cn:8443/services/EnergyData");  
    92.           
    93.         connection.setReadTimeout(timeout);  
    94.         connection.setDoOutput(true); // true for POST, false for GET  
    95.         connection.setDoInput(true);  
    96.         connection.setRequestMethod("POST");  
    97.         connection.setUseCaches(false);  
    98.           
    99.         //写入post数据  
    100.         OutputStream out = connection.getOutputStream();  
    101.         out.write(data);  
    102.           
    103.         //读出反馈结果  
    104.         String aLine = null;  
    105.         String ret = "";  
    106.         InputStream is = connection.getInputStream();  
    107.         BufferedReader aReader = new BufferedReader(new InputStreamReader(is, this.getRespEncode()));  
    108.           
    109.   
    110.         while ((aLine = aReader.readLine()) != null) {  
    111.             ret += aLine + " ";  
    112.         }  
    113.   
    114.   
    115.         aReader.close();  
    116.         connection.disconnect();  
    117.           
    118.         return ret;  
    119.     }  
    120.       
    121.     /** 
    122.      * 直接将文件按二进制写入请求 
    123.      * @param urlstr 
    124.      * @param inputFile 
    125.      * @return 
    126.      * @throws IOException 
    127.      */  
    128.     public String doPost(String urlstr,File inputFile) throws IOException{  
    129.         FileInputStream fis = new FileInputStream(inputFile);  
    130.         byte[] data = new byte[(int) inputFile.length()];  
    131.         fis.read(data);  
    132.         fis.close();  
    133.         return doPost(urlstr, data);  
    134.           
    135.     }  
    136.       
    137.     /** 
    138.      * 字符串俺reqEncode编码方式二级制发送 
    139.      * @param urlstr 
    140.      * @param inputStr 
    141.      * @return 
    142.      * @throws IOException 
    143.      */  
    144.     public String doPost(String urlstr,String inputStr) throws IOException{  
    145.         byte[] data = inputStr.getBytes(this.getReqEncode());  
    146.         return doPost(urlstr, data);  
    147.     }  
    148.       
    149.       
    150.     private void fetchReqMap(HttpsURLConnection connection){  
    151.         Iterator<String> iterator = this.reqProperty.keySet().iterator();  
    152.         while(iterator.hasNext()){  
    153.             String key = iterator.next();  
    154.             connection.setRequestProperty(key, this.reqProperty.get(key));  
    155.         }  
    156.     }  
    157.   
    158.     public void setRespEncode(String respEncode) {  
    159.         this.respEncode = respEncode;  
    160.     }  
    161.   
    162.     public String getRespEncode() {  
    163.         return respEncode;  
    164.     }  
    165.   
    166.     public void setReqEncode(String reqEncode) {  
    167.         this.reqEncode = reqEncode;  
    168.     }  
    169.   
    170.     public String getReqEncode() {  
    171.         return reqEncode;  
    172.     }  
    173.   
    174.       
    175.   
    176. }
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  • 原文地址:https://www.cnblogs.com/Struts-pring/p/4305808.html
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