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import java.io.BufferedReader;

import java.io.File;

import java.io.FileInputStream;

import java.io.InputStreamReader;

import java.net.URI;

import java.security.KeyStore;

import javax.net.ssl.KeyManagerFactory;

import javax.net.ssl.SSLContext;

import javax.net.ssl.SSLSocketFactory;

import javax.net.ssl.TrustManagerFactory;

import org.java_websocket.WebSocketImpl;

import org.java_websocket.client.WebSocketClient;

import org.java_websocket.handshake.ServerHandshake;

class WebSocketChatClient extends WebSocketClient {

public WebSocketChatClient( URI serverUri ) {

super( serverUri );

}

@Override

public void onOpen( ServerHandshake handshakedata ) {

System.out.println( "Connected" );

}

@Override

public void onMessage( String message ) {

System.out.println( "got: " + message );

}

@Override

public void onClose( int code, String reason, boolean remote ) {

System.out.println( "Disconnected" );

System.exit( 0 );

}

@Override

public void onError( Exception ex ) {

ex.printStackTrace();

}

}

public class SSLClientExample {

/*

* Keystore with certificate created like so (in JKS format):

*

*keytool -genkey -validity 3650 -keystore "keystore.jks" -storepass "storepassword" -keypass "keypassword" -alias "default" -dname "CN=127.0.0.1, OU=MyOrgUnit, O=MyOrg, L=MyCity, S=MyRegion, C=MyCountry"

*/

public static void main( String[] args ) throws Exception {

WebSocketImpl.DEBUG = true;

WebSocketChatClient chatclient = new WebSocketChatClient( new URI( "wss://localhost:8887" ) );

// load up the key store

String STORETYPE = "JKS";

String KEYSTORE = "keystore.jks";

String STOREPASSWORD = "storepassword";

String KEYPASSWORD = "keypassword";

KeyStore ks = KeyStore.getInstance( STORETYPE );

File kf = new File( KEYSTORE );

ks.load( new FileInputStream( kf ), STOREPASSWORD.toCharArray() );

KeyManagerFactory kmf = KeyManagerFactory.getInstance( "SunX509" );

kmf.init( ks, KEYPASSWORD.toCharArray() );

TrustManagerFactory tmf = TrustManagerFactory.getInstance( "SunX509" );

tmf.init( ks );

SSLContext sslContext = null;

sslContext = SSLContext.getInstance( "TLS" );

sslContext.init( kmf.getKeyManagers(), tmf.getTrustManagers(), null );

// sslContext.init( null, null, null ); // will use java's default key and trust store which is sufficient unless you deal with self-signed certificates

SSLSocketFactory factory = sslContext.getSocketFactory();// (SSLSocketFactory) SSLSocketFactory.getDefault();

chatclient.setSocket( factory.createSocket() );

chatclient.connectBlocking();

BufferedReader reader = new BufferedReader( new InputStreamReader( System.in ) );

while ( true ) {

String line = reader.readLine();

if( line.equals( "close" ) ) {

chatclient.close();

} else {

chatclient.send( line );

}

}

}

}