httpcomponents+https支持

用于发送https请求，不需要对服务器的CA认证
http://hc.apache.org/httpcomponents-client/tutorial/html/connmgmt.html#d4e470

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;//
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;//注意导入
import javax.servlet.http.HttpServletRequest;//注意导入
import javax.servlet.http.HttpServletResponse;//注意导入

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.conn.ClientConnectionManager;
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;

public class HttpClintUrlTool {

private HttpServletRequest request;
private HttpServletResponse response;
private String urlconn;
private String params;

    public  void send(String address) throws Exception {
        DefaultHttpClient httpclient0 = new DefaultHttpClient();
        DefaultHttpClient httpclient=useTrustingTrustManager(httpclient0);//关键方法
        HttpGet httpget = new HttpGet(this.urlconn);
        // Execute HTTP request
//        System.out.println("executing request " + httpget.getURI());
        HttpResponse response = httpclient.execute(httpget);
        System.out.println(response.getStatusLine());
        HttpEntity entity = response.getEntity();
        if (entity != null) {
            BufferedReader reader = new BufferedReader(new InputStreamReader(entity.getContent()));
            try {
                System.out.println(reader.readLine());
            } catch (IOException ex) {
                throw ex;
            } catch (RuntimeException ex) {
                httpget.abort();
                throw ex;
               
            } finally {
                reader.close();
            }
        }
        httpclient.getConnectionManager().shutdown();       
    }
   
    /**
     *
     * @param httpClient
     * @return
     */
    public static DefaultHttpClient useTrustingTrustManager(DefaultHttpClient httpClient)
{
       try
       {
// First create a trust manager that won't care.
X509TrustManager trustManager = new X509TrustManager()
{
public void checkClientTrusted(X509Certificate[] chain, String authType)
throws CertificateException
{
// Don't do anything.
}

public void checkServerTrusted(X509Certificate[] chain, String authType)
throws CertificateException
{
// Don't do anything.
}

public X509Certificate[] getAcceptedIssuers()
{
// Don't do anything.
return null;
}
};

// Now put the trust manager into an SSLContext.
SSLContext sslcontext = SSLContext.getInstance("TLS");
sslcontext.init(null, new TrustManager[] { trustManager }, null);

// Use the above SSLContext to create your socket factory
// (I found trying to extend the factory a bit difficult due to a
// call to createSocket with no arguments, a method which doesn't
// exist anywhere I can find, but hey-ho).
SSLSocketFactory sf = new SSLSocketFactory(sslcontext);
sf.setHostnameVerifier(SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);

// If you want a thread safe client, use the ThreadSafeConManager, but
// otherwise just grab the one from the current client, and get hold of its
// schema registry. THIS IS THE KEY THING.
ClientConnectionManager ccm = httpClient.getConnectionManager();
SchemeRegistry schemeRegistry = ccm.getSchemeRegistry();

// Register our new socket factory with the typical SSL port and the
// correct protocol name.
schemeRegistry.register(new Scheme("https", sf, 443));

// Finally, apply the ClientConnectionManager to the Http Client
// or, as in this example, create a new one.
return new DefaultHttpClient(ccm, httpClient.getParams());
}
catch(Throwable t)
{
// AND NEVER EVER EVER DO THIS, IT IS LAZY AND ALMOST ALWAYS WRONG!
t.printStackTrace();
return null;
}
}
   

}