HttpClientUtil封装2

import java.io.BufferedReader;
 import java.io.ByteArrayInputStream;
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
 import java.net.HttpURLConnection;
 import java.net.URL;
 import java.security.KeyManagementException;
 import java.security.KeyStore;
 import java.security.KeyStoreException;
 import java.security.NoSuchAlgorithmException;
 import java.security.SecureRandom;
 import java.security.UnrecoverableKeyException;
 import java.security.cert.Certificate;
 import java.security.cert.CertificateException;
 import java.security.cert.CertificateFactory;
 import java.util.HashMap;
 import java.util.Map;
 import javax.net.ssl.HttpsURLConnection;
 import javax.net.ssl.KeyManagerFactory;
 import javax.net.ssl.SSLContext;
 import javax.net.ssl.TrustManagerFactory;
 
 public class HttpClientUtil
 {
   public static final String SunX509 = "SunX509";
   public static final String JKS = "JKS";
   public static final String PKCS12 = "PKCS12";
   public static final String TLS = "TLS";
 
   public static HttpURLConnection getHttpURLConnection(String strUrl)
     throws IOException
   {
     URL url = new URL(strUrl);
     HttpURLConnection httpURLConnection = (HttpURLConnection)url
       .openConnection();
     return httpURLConnection;
   }
 
   public static HttpsURLConnection getHttpsURLConnection(String strUrl)
     throws IOException
   {
     URL url = new URL(strUrl);
     HttpsURLConnection httpsURLConnection = (HttpsURLConnection)url
       .openConnection();
     return httpsURLConnection;
   }
 
   public static String getURL(String strUrl)
   {
     if (strUrl != null) {
       int indexOf = strUrl.indexOf("?");
       if (-1 != indexOf) {
         return strUrl.substring(0, indexOf);
       }
 
       return strUrl;
     }
 
     return strUrl;
   }
 
   public static String getQueryString(String strUrl)
   {
     if (strUrl != null) {
       int indexOf = strUrl.indexOf("?");
       if (-1 != indexOf) {
         return strUrl.substring(indexOf + 1, strUrl.length());
       }
 
       return "";
     }
 
     return strUrl;
   }
 
   public static Map queryString2Map(String queryString)
   {
     if ((queryString == null) || ("".equals(queryString))) {
       return null;
     }
 
     Map m = new HashMap();
     String[] strArray = queryString.split("&");
     for (int index = 0; index < strArray.length; index++) {
       String pair = strArray[index];
       putMapByPair(pair, m);
     }
 
     return m;
   }
 
   public static void putMapByPair(String pair, Map m)
   {
     if ((pair == null) || ("".equals(pair))) {
       return;
     }
 
     int indexOf = pair.indexOf("=");
     if (-1 != indexOf) {
       String k = pair.substring(0, indexOf);
       String v = pair.substring(indexOf + 1, pair.length());
       if ((k != null) && (!"".equals(k)))
         m.put(k, v);
     }
     else {
       m.put(pair, "");
     }
   }
 
   public static String bufferedReader2String(BufferedReader reader)
     throws IOException
   {
     StringBuffer buf = new StringBuffer();
     String line = null;
     while ((line = reader.readLine()) != null) {
       buf.append(line);
       buf.append("\r\n");
     }
 
     return buf.toString();
   }
 
   public static void doOutput(OutputStream out, byte[] data, int len)
     throws IOException
   {
     int dataLen = data.length;
     int off = 0;
     while (off < dataLen) {
       if (len >= dataLen)
         out.write(data, off, dataLen);
       else {
         out.write(data, off, len);
       }
 
       out.flush();
 
       off += len;
 
       dataLen -= len;
     }
   }
 
   public static SSLContext getSSLContext(FileInputStream trustFileInputStream, String trustPasswd, FileInputStream keyFileInputStream, String keyPasswd)
     throws NoSuchAlgorithmException, KeyStoreException, CertificateException, IOException, UnrecoverableKeyException, KeyManagementException
   {
     TrustManagerFactory tmf = 
       TrustManagerFactory.getInstance("SunX509");
     KeyStore trustKeyStore = KeyStore.getInstance("JKS");
     trustKeyStore.load(trustFileInputStream, 
       str2CharArray(trustPasswd));
     tmf.init(trustKeyStore);
 
     char[] kp = str2CharArray(keyPasswd);
     KeyManagerFactory kmf = 
       KeyManagerFactory.getInstance("SunX509");
     KeyStore ks = KeyStore.getInstance("PKCS12");
     ks.load(keyFileInputStream, kp);
     kmf.init(ks, kp);
 
     SecureRandom rand = new SecureRandom();
     SSLContext ctx = SSLContext.getInstance("TLS");
     ctx.init(kmf.getKeyManagers(), tmf.getTrustManagers(), rand);
 
     return ctx;
   }
 
   public static Certificate getCertificate(File cafile)
     throws CertificateException, IOException
   {
     CertificateFactory cf = CertificateFactory.getInstance("X.509");
     FileInputStream in = new FileInputStream(cafile);
     Certificate cert = cf.generateCertificate(in);
     in.close();
     return cert;
   }
 
   public static char[] str2CharArray(String str)
   {
     if (str == null) {
       return null;
     }
     return str.toCharArray();
   }
 
   public static void storeCACert(Certificate cert, String alias, String password, OutputStream out)
     throws KeyStoreException, NoSuchAlgorithmException, CertificateException, IOException
   {
     KeyStore ks = KeyStore.getInstance("JKS");
 
     ks.load(null, null);
 
     ks.setCertificateEntry(alias, cert);
 
     ks.store(out, str2CharArray(password));
   }
 
   public static InputStream String2Inputstream(String str)
   {
     return new ByteArrayInputStream(str.getBytes());
   }
 }