first commit

src/GetResponse.java

+import javax.imageio.IIOException;
+import java.io.IOException;
+import java.net.HttpURLConnection;
+import java.net.ProtocolException;
+import java.net.URL;
+import java.util.HashMap;
+import java.util.Scanner;
+import java.nio.file.Files;
+import java.io.File;
+import java.io.FileWriter;
+import java.net.URLEncoder;
+import java.util.Map;
+
+public class GetResponse {
+    private static final String USER_AGENT = "Mozilla/5.0";
+
+    private static final String GET_URL = "https://localhost:9090/SpringMVCExample";
+
+    private static final String POST_URL = "https://localhost:9090/SpringMVCExample/home";
+
+    private static final String POST_PARAMS = "userName=Pankaj";
+
+    Map<String, String> params = new HashMap<>();
+    //params.put("v", "dQw4w9WgXcQ");
+    String requestMethod;
+    String headers;
+    Boolean invisible;
+    String help;
+    String arg;
+    String address;
+    String completeRequest;
+    String content;
+    Scanner scanner = new Scanner(System.in);
+
+
+    public GetResponse(){
+        splitRequest();
+        try {
+            response();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+    public String[] splitRequest() {
+        completeRequest = scanner.next();
+        String[] splittedRequest = completeRequest.split("\\s");
+        address = splittedRequest[0];
+        return splittedRequest;
+    }
+
+    public void response() throws IOException {
+
+        URL obj = new URL(GET_URL);
+        HttpURLConnection con = (HttpURLConnection) obj.openConnection();
+        con.setRequestMethod("GET");
+        con.setRequestProperty("User-Agent", USER_AGENT);
+        int responseCode = con.getResponseCode();
+        System.out.println("GET Response Code :: " + responseCode);
+
+
+        StringBuilder requestData = new StringBuilder();
+
+        for (Map.Entry<String, String> param : params.entrySet()) {
+            if (requestData.length() != 0) {
+                requestData.append('&');
+            }
+            // Encode the parameter based on the parameter map we've defined
+            // and append the values from the map to form a single parameter
+            requestData.append(URLEncoder.encode(param.getKey(), "UTF-8"));
+            requestData.append('=');
+            requestData.append(URLEncoder.encode(String.valueOf(param.getValue()), "UTF-8"));
+        }
+
+        // Convert the requestData into bytes
+        byte[] requestDataByes = requestData.toString().getBytes("UTF-8");
+
+
+        String[] splittedRequestCopy = splitRequest();
+        for (int i = 0; i < splittedRequestCopy.length - 1; i++) {
+            if (splittedRequestCopy[i].equals("-M") || splittedRequestCopy[i].equals("--method")) {
+                if (splittedRequestCopy[i + 1].equals("GET") || splittedRequestCopy[i + 1].equals("POST") || splittedRequestCopy[i + 1].equals("HEAD")
+                        || splittedRequestCopy[i + 1].equals("DELETE") || splittedRequestCopy[i + 1].equals("PUT") || splittedRequestCopy[i + 1].equals("CONNECT")
+                        || splittedRequestCopy[i + 1].equals("OPTIONS") || splittedRequestCopy[i + 1].equals("TRACE") || splittedRequestCopy[i + 1].equals("PATCH"))
+                    con.setRequestMethod(splittedRequestCopy[i + 1]);
+            } else if (splittedRequestCopy[i].equals("-H") || splittedRequestCopy[i].equals("--header")) {
+                con.setRequestProperty("Content-Type", "application/json");
+                con.setRequestProperty("Content-Length", String.valueOf(requestDataByes.length));
+
+            } else if (splittedRequestCopy[i].equals("-i")) {
+                invisible = true;
+            } else if (splittedRequestCopy[i].equals("-O") || splittedRequestCopy[i].equals("--output")) {
+                try {
+                    content = con.getResponseMessage();
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
+
+                try {
+                    File newTextFile = new File("C:/thetextfile.txt");
+
+                    FileWriter fw = new FileWriter(newTextFile);
+                    fw.write(content);
+                    fw.close();
+
+                } catch (IOException iox) {
+                    iox.printStackTrace();
+                }
+            }
+            content = con.getResponseMessage();
+            System.out.println(content);
+            int code = con.getResponseCode();
+            System.out.println(code);
+        }
+    }
+}

src/Main.java

+import java.io.IOException;
+
+public class Main {
+
+    public static void main(String[] args){
+//	GetResponse getResponse = new GetResponse();
+//	getResponse.splitRequest();
+       // Response response = new Response();
+        GetResponse response = new GetResponse();
+    }
+}

src/Response.java

+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.OutputStream;
+import java.net.HttpURLConnection;
+import java.net.URL;
+
+public class Response {
+
+
+    private static final String USER_AGENT = "Mozilla/5.0";
+
+    private static final String GET_URL = "https://localhost:9090/SpringMVCExample";
+
+    private static final String POST_URL = "https://localhost:9090/SpringMVCExample/home";
+
+    private static final String POST_PARAMS = "userName=Pankaj";
+
+    public Response (){
+
+        try {
+            sendGET();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        System.out.println("GET DONE");
+        try {
+            sendPOST();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        System.out.println("POST DONE");
+    }
+
+    private static void sendGET() throws IOException {
+        URL obj = new URL(GET_URL);
+        HttpURLConnection con = (HttpURLConnection) obj.openConnection();
+        con.setRequestMethod("GET");
+        con.setRequestProperty("User-Agent", USER_AGENT);
+        int responseCode = con.getResponseCode();
+        System.out.println("GET Response Code :: " + responseCode);
+        if (responseCode == HttpURLConnection.HTTP_OK) { // success
+            BufferedReader in = new BufferedReader(new InputStreamReader(
+                    con.getInputStream()));
+            String inputLine;
+            StringBuffer response = new StringBuffer();
+
+            while ((inputLine = in.readLine()) != null) {
+                response.append(inputLine);
+            }
+            in.close();
+
+            // print result
+            System.out.println(response.toString());
+        } else {
+            System.out.println("GET request not worked");
+        }
+
+    }
+
+    private static void sendPOST() throws IOException {
+        URL obj = new URL(POST_URL);
+        HttpURLConnection con = (HttpURLConnection) obj.openConnection();
+        con.setRequestMethod("POST");
+        con.setRequestProperty("User-Agent", USER_AGENT);
+
+        // For POST only - START
+        con.setDoOutput(true);
+        OutputStream os = con.getOutputStream();
+        os.write(POST_PARAMS.getBytes());
+        os.flush();
+        os.close();
+        // For POST only - END
+
+        int responseCode = con.getResponseCode();
+        System.out.println("POST Response Code :: " + responseCode);
+
+        if (responseCode == HttpURLConnection.HTTP_OK) { //success
+            BufferedReader in = new BufferedReader(new InputStreamReader(
+                    con.getInputStream()));
+            String inputLine;
+            StringBuffer response = new StringBuffer();
+
+            while ((inputLine = in.readLine()) != null) {
+                response.append(inputLine);
+            }
+            in.close();
+
+            // print result
+            System.out.println(response.toString());
+        } else {
+            System.out.println("POST request not worked");
+        }
+    }
+
+}