adding java https client

java-https-client/HTTPSClient.java

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+import java.io.BufferedReader;
+import java.io.FileInputStream;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.OutputStream;
+import java.io.OutputStreamWriter;
+import java.io.PrintWriter;
+import java.security.KeyStore;
+
+import javax.net.ssl.KeyManager;
+import javax.net.ssl.KeyManagerFactory;
+import javax.net.ssl.SSLContext;
+import javax.net.ssl.SSLSession;
+import javax.net.ssl.SSLSocket;
+import javax.net.ssl.SSLSocketFactory;
+import javax.net.ssl.TrustManager;
+import javax.net.ssl.TrustManagerFactory;
+
+public class HTTPSClient {
+    private String host = "localhost";
+    private int port = 8243;
+
+    public static void main(String[] args){
+        HTTPSClient client = new HTTPSClient();
+        client.run();
+    }
+
+    HTTPSClient(){
+    }
+
+    HTTPSClient(String host, int port){
+        this.host = host;
+        this.port = port;
+    }
+
+    // Create the and initialize the SSLContext
+    private SSLContext createSSLContext(){
+        try{
+            KeyStore keyStore = KeyStore.getInstance("JKS");
+            keyStore.load(new FileInputStream("/Users/apple/Documents/support/131_UVUSUB-20/testclient/wso2carbon.jks"),"wso2carbon".toCharArray());
+
+            // Create key manager
+            KeyManagerFactory keyManagerFactory = KeyManagerFactory.getInstance("SunX509");
+            keyManagerFactory.init(keyStore, "wso2carbon".toCharArray());
+            KeyManager[] km = keyManagerFactory.getKeyManagers();
+
+            // Create trust manager
+            TrustManagerFactory trustManagerFactory = TrustManagerFactory.getInstance("SunX509");
+            trustManagerFactory.init(keyStore);
+            TrustManager[] tm = trustManagerFactory.getTrustManagers();
+
+            // Initialize SSLContext
+            SSLContext sslContext = SSLContext.getInstance("TLSv1.2");
+            sslContext.init(km,  tm, null);
+
+            return sslContext;
+        } catch (Exception ex){
+            ex.printStackTrace();
+        }
+
+        return null;
+    }
+
+    // Start to run the server
+    public void run(){
+        SSLContext sslContext = this.createSSLContext();
+
+        try{
+            // Create socket factory
+            SSLSocketFactory sslSocketFactory = sslContext.getSocketFactory();
+
+            // Create socket
+            SSLSocket sslSocket = (SSLSocket) sslSocketFactory.createSocket(this.host, this.port);
+
+            System.out.println("SSL client started");
+            new ClientThread(sslSocket).start();
+        } catch (Exception ex){
+            ex.printStackTrace();
+        }
+    }
+
+    // Thread handling the socket to server
+    static class ClientThread extends Thread {
+        private SSLSocket sslSocket = null;
+
+        ClientThread(SSLSocket sslSocket){
+            this.sslSocket = sslSocket;
+        }
+
+        public void run(){
+            sslSocket.setEnabledCipherSuites(sslSocket.getSupportedCipherSuites());
+
+            try{
+                // Start handshake
+                sslSocket.startHandshake();
+
+                // Get session after the connection is established
+                SSLSession sslSession = sslSocket.getSession();
+
+                System.out.println("SSLSession :");
+                System.out.println("\tProtocol : "+sslSession.getProtocol());
+                System.out.println("\tCipher suite : "+sslSession.getCipherSuite());
+
+                // Start handling application content
+                InputStream inputStream = sslSocket.getInputStream();
+                OutputStream outputStream = sslSocket.getOutputStream();
+
+                BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream));
+                PrintWriter printWriter = new PrintWriter(new OutputStreamWriter(outputStream));
+
+                // Write data
+                printWriter.print("GET /services/Version HTTP/1.0\r\n");
+                printWriter.print("\r\n");
+                printWriter.print("\r\n");
+                printWriter.flush();
+                String line = null;
+                while((line = bufferedReader.readLine()) != null){
+                    System.out.println("Inut : "+line);
+
+                    if(line.trim().equals("HTTP/1.1 200\r\n")){
+                        break;
+                    }
+                }
+
+                sslSocket.close();
+            } catch (Exception ex) {
+                ex.printStackTrace();
+            }
+        }
+    }
+}

java-https-client/README.md

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+# Welcome to JAVA HTTPS client!
+
+You can use this java https client to invoke APIs over https and constructs the requests as you want.
+