adding service class

.gitignore

@@ -1 +1,3 @@
 *.py
+/target
+

src/main/java/com/oracle/challenge/common/Enums.java

@@ -0,0 +1,25 @@
+package com.oracle.challenge.common;
+
+public class Enums {
+	public enum InterpreterIdentifier{
+		PYTHON("python");
+		private String value;
+
+		InterpreterIdentifier(String value) {
+			this.value = value;
+		}
+
+		public String toString() {
+			return String.valueOf(value);
+		}
+
+		public static InterpreterIdentifier fromValue(String text) {
+			for (InterpreterIdentifier b : InterpreterIdentifier.values()) {
+				if (String.valueOf(b.value).equals(text)) {
+					return b;
+				}
+			}
+			return null;
+		}
+	}
+}

src/main/java/com/oracle/challenge/common/Interpreter.java

@@ -0,0 +1,7 @@
+package com.oracle.challenge.common;
+
+public interface Interpreter {
+
+	public void interpret(String code);
+
+}

src/main/java/com/oracle/challenge/common/Python.java

@@ -0,0 +1,9 @@
+package com.oracle.challenge.common;
+
+public class Python implements Interpreter{
+
+	public void interpret(String code) {
+		System.out.println(code);
+	}
+
+}

src/main/java/com/oracle/challenge/service/NoteBookService.java

@@ -0,0 +1,85 @@
+package com.oracle.challenge.service;
+
+import java.io.BufferedWriter;
+import java.io.ByteArrayOutputStream;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.nio.charset.StandardCharsets;
+import java.util.HashMap;
+import java.util.Map;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.ApplicationContext;
+import org.springframework.stereotype.Service;
+
+import com.oracle.challenge.common.Enums;
+import com.oracle.challenge.common.Interpreter;
+import com.oracle.challenge.common.Python;
+import com.oracle.challenge.model.NoteBookInput;
+import com.oracle.challenge.model.NoteBookOutput;
+
+import antlr.PythonCodeGenerator;
+
+@Service
+public class NoteBookService {
+
+	@Autowired
+    ApplicationContext context;
+
+	private static Map<Enums.InterpreterIdentifier, Class<?>> interpretersMap = null;
+
+	static {
+    	interpretersMap = new HashMap<>();
+    	interpretersMap.put(Enums.InterpreterIdentifier.PYTHON, Python.class);
+    }
+
+	public NoteBookOutput HandelNoteBookInput(NoteBookInput noteBookInput) {
+		NoteBookOutput noteBookOutput = new NoteBookOutput();
+		try {
+			String[] splitedInput = noteBookInput.getCode().split(" ", 2);
+			String interpreter = splitedInput[0].substring(1);
+			String code = splitedInput[1];
+
+			System.out.println(interpreter);
+			System.out.println(code);
+			/*
+			interpretersMap.get(Enums.InterpreterIdentifier.fromValue(interpreter));
+			*/
+			//script that will hold all inputs, and gets fed with new input when ever the endpoint is called
+			BufferedWriter out = new BufferedWriter(new FileWriter("script.py", true));
+			out.append("\n"+code);
+			out.close();
+
+			Process process = null;
+
+			//script execution
+			if(System.getProperty("os.name").toLowerCase().indexOf("windows") >= 0) {
+				process = Runtime.getRuntime().exec(String.format("cmd.exe /c python script.py"));
+			}
+			else {
+				//other os	
+			}
+
+			//preparing result of script execution to be binded in the output
+			ByteArrayOutputStream result = new ByteArrayOutputStream();
+			byte[] buffer = new byte[1024];
+			int length;
+			while ((length = process.getInputStream().read(buffer)) != -1) {
+				result.write(buffer, 0, length);
+			}
+
+			noteBookOutput.setResult(result.toString().replaceAll("(\\r|\\n)", "|"));
+		} catch (IOException e) {
+			e.printStackTrace();
+			System.out.println(e.getMessage());
+		} catch (SecurityException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
+
+		return noteBookOutput;
+	}
+
+}

src/main/java/com/oracle/challenge/ws/NoteBookWs.java

@@ -4,10 +4,10 @@
 import java.io.ByteArrayOutputStream;
 import java.io.FileWriter;
 import java.io.IOException;
-import java.nio.charset.StandardCharsets;
 
 import javax.validation.Valid;
 
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.stereotype.Controller;
@@ -17,47 +17,23 @@
 
 import com.oracle.challenge.model.NoteBookInput;
 import com.oracle.challenge.model.NoteBookOutput;
+import com.oracle.challenge.service.NoteBookService;
 
 @Controller
 public class NoteBookWs {
 
+	@Autowired
+	private NoteBookService noteBookService;
+
 	@RequestMapping(value = "/execute", 
 					produces = { "application/json;charset=utf-8" }, 
 					consumes = { "application/json;charset=utf-8" }, 
 					method = RequestMethod.POST)
 	ResponseEntity<NoteBookOutput> executeScript(@Valid @RequestBody NoteBookInput noteBookInput) {
-		NoteBookOutput noteBookOutput = new NoteBookOutput();
-		try {
-			//script that will hold all inputs, and gets fed with new input when ever the endpoint is called
-			BufferedWriter out = new BufferedWriter(new FileWriter("script.py"));
-			out.write("print "+noteBookInput.getCode());
-			out.close();
-
-			Process process = null;
-
-			//script execution
-			if(System.getProperty("os.name").toLowerCase().indexOf("windows") >= 0) {
-				process = Runtime.getRuntime().exec(String.format("cmd.exe /c python script.py"));
-			}
-			else {
-				//other os	
-			}
-
-			//preparing result of script execution to be binded in the output
-			ByteArrayOutputStream result = new ByteArrayOutputStream();
-			byte[] buffer = new byte[1024];
-			int length;
-			while ((length = process.getInputStream().read(buffer)) != -1) {
-				result.write(buffer, 0, length);
-			}
-
-			noteBookOutput.setResult(result.toString().replaceAll("(\\r|\\n)", ""));
-		} catch (IOException e) {
-			e.printStackTrace();
-			System.out.println(e.getMessage());
-		}
 
+		NoteBookOutput noteBookOutput = this.noteBookService.HandelNoteBookInput(noteBookInput);
 		return new ResponseEntity<NoteBookOutput>(noteBookOutput, HttpStatus.CREATED);
+
 	}
 
 }

target/classes/META-INF/MANIFEST.MF

@@ -1,6 +1,6 @@
 Manifest-Version: 1.0
-Build-Jdk-Spec: 11
 Implementation-Title: BackendNoteBookChallenge
 Implementation-Version: 0.0.1-SNAPSHOT
+Build-Jdk-Spec: 1.8
 Created-By: Maven Integration for Eclipse
 

target/classes/META-INF/maven/com.oracle/BackendNoteBookChallenge/pom.properties

@@ -1,7 +1,7 @@
 #Generated by Maven Integration for Eclipse
-#Wed Feb 12 23:16:14 CET 2020
-m2e.projectLocation=D\:\\shadrunWorks\\oracleChallenge\\BackendNoteBookChallenge
-m2e.projectName=BackendNoteBookChallenge
+#Thu Feb 13 08:31:09 WET 2020
+version=0.0.1-SNAPSHOT
 groupId=com.oracle
+m2e.projectName=BackendNoteBookChallenge
+m2e.projectLocation=C\:\\Users\\arazik\\Downloads\\AnassGithub\\BackendNoteBookChallenge
 artifactId=BackendNoteBookChallenge
-version=0.0.1-SNAPSHOT