完整的代码如下:

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.Socket;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSocketFactory;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
/**
* JAVA操作SSL协议,通过Socket访问Https的程序代码例子。
*
*
*/
public class ReadHttpsURL {
// 默认的HTTPS 端口      visit
static final int HTTPS_PORT = 443;
public static void main(String argv[]) throws Exception {
// 受访主机
String host = “www.google.com”;
// 受访的页面
String url = “/adsense/?sourceid=aso&subid=ZH_CN-ET-AS-ADSBY6&medium=link&hl=zh_CN”;
// 自定义的管理器
X509TrustManager xtm = new Java2000TrustManager();
TrustManager mytm[] = { xtm };
// 得到上下文
SSLContext ctx = SSLContext.getInstance(“SSL”);
// 初始化
ctx.init(null, mytm, null);
// 获得工厂
SSLSocketFactory factory = ctx.getSocketFactory();
// 从工厂获得Socket连接
Socket socket = factory.createSocket(host, HTTPS_PORT);
// 剩下的就和普通的Socket操作一样了
BufferedWriter out = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream()));
BufferedReader in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
out.write(“GET ” + url + ” HTTP/1.0

“);
out.flush();
System.out.println(“start   work!”);
String line;
StringBuffer sb = new StringBuffer();
while ((line = in.readLine()) != null) {
sb.append(line + ”
“);
}
out.close();
in.close();
System.out.println(sb.toString());
}
}
/**
* 自定义的认证管理类。
*
*
*/
class Java2000TrustManager implements X509TrustManager {
Java2000TrustManager() {
// 这里可以进行证书的初始化操作
}
// 检查客户端的可信任状态
public void checkClientTrusted(X509Certificate chain[], String authType) throws CertificateException {
System.out.println(“检查客户端的可信任状态…”);
}
// 检查服务器的可信任状态
public void checkServerTrusted(X509Certificate chain[], String authType) throws CertificateException {
System.out.println(“检查服务器的可信任状态”);
}
// 返回接受的发行商数组
public X509Certificate[] getAcceptedIssuers() {
System.out.println(“获取接受的发行商数组…”);
return null;
}
}

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