支持https但不验证证书的HttpClient，自定义一个SSLSocketFactory，忽略证书的验证

import java.io.IOException;
import java.net.Socket;
import java.net.UnknownHostException;
import java.security.KeyManagementException;
import java.security.KeyStore;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.UnrecoverableKeyException;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;

import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;

import org.apache.http.HttpVersion;
import org.apache.http.client.HttpClient;
import org.apache.http.conn.ClientConnectionManager;
import org.apache.http.conn.scheme.PlainSocketFactory;
import org.apache.http.conn.scheme.Scheme;
import org.apache.http.conn.scheme.SchemeRegistry;
import org.apache.http.conn.ssl.SSLSocketFactory;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManager;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.params.HttpParams;
import org.apache.http.params.HttpProtocolParams;
import org.apache.http.protocol.HTTP;

public class HttpsClient {

?static public HttpClient newHttpsClient() {
? try {
? ?KeyStore trustStore = KeyStore.getInstance(KeyStore.getDefaultType());
? ?trustStore.load(null, null);

? ?SSLSocketFactory sf = new MySSLSocketFactory(trustStore);
? ?sf.setHostnameVerifier(SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);

? ?HttpParams params = new BasicHttpParams();
? ?HttpProtocolParams.setVersion(params, HttpVersion.HTTP_1_1);
? ?HttpProtocolParams.setContentCharset(params, HTTP.UTF_8);
? ?HttpConnectionParams.setConnectionTimeout(params, 10000);
? ?HttpConnectionParams.setSoTimeout(params, 10000);

? ?SchemeRegistry registry = new SchemeRegistry();
? ?registry.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), 80));
? ?registry.register(new Scheme("https", sf, 443));

? ?ClientConnectionManager ccm = new ThreadSafeClientConnManager(params, registry);

? ?return new DefaultHttpClient(ccm, params);
? } catch (Exception e) {
? ?return new DefaultHttpClient();
? }
?}

?private static class MySSLSocketFactory extends SSLSocketFactory {
? SSLContext sslContext = SSLContext.getInstance("TLS");

? public MySSLSocketFactory(KeyStore truststore)
? ? throws NoSuchAlgorithmException, KeyManagementException,
? ? KeyStoreException, UnrecoverableKeyException {
? ?super(truststore);

? ?TrustManager tm = new X509TrustManager() {
? ? public void checkClientTrusted(X509Certificate[] chain, String authType)
? ? ? throws CertificateException {
? ? }

? ? public void checkServerTrusted(X509Certificate[] chain, String authType)
? ? ? throws CertificateException {
? ? }

? ? public X509Certificate[] getAcceptedIssuers() {
? ? ?return null;
? ? }
? ?};

? ?sslContext.init(null, new TrustManager[] { tm }, null);
? }

? @Override
? public Socket createSocket(Socket socket, String host, int port, boolean autoClose)
? ? throws IOException, UnknownHostException {
? ?return sslContext.getSocketFactory().createSocket(socket, host, port, autoClose);
? }