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夥計們，這裏是我的代碼，因爲它的行給出的NullPointerException conn.setSSLSocketFactory（sslContext.getSocketFactory（）），請評閱; ........通SSL層受信任的證書
代碼：
package com.halosys.TvAnyTime;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.net.MalformedURLException;
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.cert.CertificateException;
import java.security.cert.X509Certificate;
import javax.crypto.NullCipher;
import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.KeyManagerFactory;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSession;
import javax.net.ssl.TrustManagerFactory;
import javax.net.ssl.X509TrustManager;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.conn.ssl.SSLSocketFactory;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicHttpResponse;
import org.apache.http.protocol.HTTP;
import android.app.Activity;
import android.content.res.Resources.NotFoundException;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
public class HomeScreen extends Activity {
StringEntity entry;
BasicHttpResponse httpResponse;
BufferedReader in = null;
//protected KeyStore sslContext;
KeyStore ksTrust;
TrustManagerFactory tmf;
SSLContext sslContext;
URL url;
HttpsURLConnection conn;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Button closeButton = (Button)this.findViewById(R.id.button1);
closeButton.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
// Load the self-signed server certificate
try {
HttpsURLConnection.setDefaultHostnameVerifier(new HostnameVerifier(){
public boolean verify(String hostname, SSLSession session) {
return true;
}});
SSLContext context = SSLContext.getInstance("TLS");
context.init(null, new X509TrustManager[]{new 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[0];
}}}, new SecureRandom());
HttpsURLConnection.setDefaultSSLSocketFactory(
context.getSocketFactory());
} catch (Exception e) { // should never happen
e.printStackTrace();
}
char[] passphrase = "ssltestcert".toCharArray();
try {
ksTrust = KeyStore.getInstance("BKS");
} catch (KeyStoreException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
try {
ksTrust.load(getApplicationContext().getResources().openRawResource(R.raw.ssltestcert),
passphrase);
} catch (NoSuchAlgorithmException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
} catch (CertificateException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
} catch (NotFoundException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
} catch (IOException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
try {
tmf = TrustManagerFactory.getInstance(KeyManagerFactory.getDefaultAlgorithm());
} catch (NoSuchAlgorithmException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
try {
tmf.init(ksTrust);
} catch (KeyStoreException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
// Create a SSLContext with the certificate
/*try {
sslContext = SSLContext.getInstance("TLS");
} catch (NoSuchAlgorithmException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
try {
sslContext.init(null, tmf.getTrustManagers(), new SecureRandom());
} catch (KeyManagementException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}*/
// Create a HTTPS connection
try {
url = new URL("https", "https://50.18.49.118/xmlrpcand", 443, "/ssltest");
} catch (MalformedURLException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
try {
conn = (HttpsURLConnection) url.openConnection();
} catch (IOException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
/* Uncomment the following line of code if you want to skip SSL */
/* hostname verification. But it should only be done for testing. */
/* See http://randomizedsort.blogspot.com/2010/09/programmatically-disabling-java-ssl.html */
// conn.setHostnameVerifier((HostnameVerifier) new NullCipher());
//conn.setHostnameVerifier(SSLSocketFactory.STRICT_HOSTNAME_VERIFIER);
conn.setSSLSocketFactory(sslContext.getSocketFactory());
//MyHttpClient obj= new MyHttpClient(HomeScreen.this);
//obj.createClientConnectionManager();
/* HttpClient httpclient = new DefaultHttpClient();
String str2= "<?xml version=\"1.0\"?><methodCall><methodName>tva1.catalog.version</methodName><params></params></methodCall>";
HttpPost httppost = new HttpPost("https://50.18.49.118/xmlrpcand");
try {
entry = new StringEntity(str2,HTTP.UTF_8);
} catch (UnsupportedEncodingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
entry.setContentType("text/xml");
httppost.setHeader("Content-Type","application/soap+xml;charset=UTF-8");
httppost.setEntity(entry);
try {
httpResponse = (BasicHttpResponse) httpclient.execute(httppost);
} catch (ClientProtocolException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
try {
in = new BufferedReader(new InputStreamReader(httpResponse.getEntity().getContent()));
} catch (IllegalStateException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
StringBuffer sb = new StringBuffer("");
String line = "";
String NL = System.getProperty("line.separator");
try {
while ((line = in.readLine()) != null) {
sb.append(line + NL);
}
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
try {
in.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
String result = sb.toString(); //Responsed xml is stored in result
System.out.print(result);
}
*/ };
});
}
}