java https请求

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package com.ccop.common.util;import java.io.IOException;import java.net.InetAddress;import java.net.InetSocketAddress;import java.net.Socket;import java.net.SocketAddress;import java.net.UnknownHostException;import java.security.KeyManagementException;import java.security.NoSuchAlgorithmException;import java.security.cert.CertificateException;import java.security.cert.X509Certificate;import javax.net.SocketFactory;import javax.net.ssl.SSLContext;import javax.net.ssl.TrustManager;import javax.net.ssl.X509TrustManager;import org.apache.commons.httpclient.ConnectTimeoutException;import org.apache.commons.httpclient.params.HttpConnectionParams;import org.apache.commons.httpclient.protocol.ProtocolSocketFactory;public class HTTPSSecureProtocolSocketFactory implements ProtocolSocketFactory {//SecureProtocolSocketFactory      private SSLContext sslcontext = null;      private SSLContext createSSLContext() {          SSLContext sslcontext = null;          try {              sslcontext = SSLContext.getInstance("SSL");              sslcontext.init(null,                      new TrustManager[] { new TrustAnyTrustManager() },                      new java.security.SecureRandom());          } catch (NoSuchAlgorithmException e) {              e.printStackTrace();          } catch (KeyManagementException e) {              e.printStackTrace();          }          return sslcontext;      }      private SSLContext getSSLContext() {          if (null == this.sslcontext) {              this.sslcontext = createSSLContext();          }          return this.sslcontext;      }      public Socket createSocket(Socket socket, String host, int port,              boolean autoClose) throws IOException, UnknownHostException {          return getSSLContext().getSocketFactory().createSocket(socket, host,                  port, autoClose);      }      public Socket createSocket(String host, int port) throws IOException,              UnknownHostException {          return getSSLContext().getSocketFactory().createSocket(host, port);      }      public Socket createSocket(String host, int port, InetAddress clientHost,              int clientPort) throws IOException, UnknownHostException {          return getSSLContext().getSocketFactory().createSocket(host, port,                  clientHost, clientPort);      }      public Socket createSocket(String host, int port, InetAddress localAddress,              int localPort, HttpConnectionParams params) throws IOException,              UnknownHostException, ConnectTimeoutException {          if (params == null) {              throw new IllegalArgumentException("Parameters may not be null");          }          int timeout = params.getConnectionTimeout();          SocketFactory socketfactory = getSSLContext().getSocketFactory();          if (timeout == 0) {              return socketfactory.createSocket(host, port, localAddress,                      localPort);          } else {              Socket socket = socketfactory.createSocket();              SocketAddress localaddr = new InetSocketAddress(localAddress,                      localPort);              SocketAddress remoteaddr = new InetSocketAddress(host, port);              socket.bind(localaddr);              socket.connect(remoteaddr, timeout);              return socket;          }      }      private static class TrustAnyTrustManager implements X509TrustManager {          public void checkClientTrusted(X509Certificate[] chain, String authType)                  throws CertificateException {          }          public void checkServerTrusted(X509Certificate[] chain, String authType)                  throws CertificateException {          }          public X509Certificate[] getAcceptedIssuers() {              return new X509Certificate[] {};          }    }  }

public static String getStringByHttps(String url) {            String result = "";            Protocol https = new Protocol("https", new HTTPSSecureProtocolSocketFactory(), 443);            Protocol.registerProtocol("https", https);            GetMethod get = new GetMethod(url);           org.apache.commons.httpclient.HttpClient client = new org.apache.commons.httpclient.HttpClient();            try {                client.executeMethod(get);                result = get.getResponseBodyAsString();                result = new String(result.getBytes("ISO-8859-1"), "UTF-8");                Protocol.unregisterProtocol("https");                return result;            } catch(Exception e) {                e.printStackTrace();            }            return "error";        }

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