BAEL-4403 (eugenp#9740)

tarunjain01 · Tarun Jain · web-flow · commit 1b7d00d907c5 · 2020-07-25T20:59:54.000-07:00
* Hexagonal architecture in Java * BAEL-4403 * Revert "Hexagonal architecture in Java" This reverts commit 7ba4c9d. * Updated code to use only Console * Added System.out * Created seaprate method for each functionality * Added Unit Test Case for ConsoleAndOut class Co-authored-by: Tarun Jain <tarunalways@gmail.com>
diff --git a/core-java-modules/core-java-console/src/main/java/com/baeldung/consoleout/ConsoleAndOut.java b/core-java-modules/core-java-console/src/main/java/com/baeldung/consoleout/ConsoleAndOut.java
@@ -0,0 +1,31 @@
+package com.baeldung.consoleout;
+
+import java.io.Console;
+
+public class ConsoleAndOut {
+    public static void main(String[] args) {
+        try {
+            printConsoleObject();
+            readPasswordFromConsole();
+        } catch (Exception ex) {
+            // Eating NullPointerExcpetion which will occur when this 
+            // program will be run from mediums other than console
+        }
+        printSysOut();    
+    }
+
+    static void printConsoleObject() {
+        Console console = System.console();
+        console.writer().print(console);
+    }
+
+    static void readPasswordFromConsole() {
+        Console console = System.console();
+        char[] password = console.readPassword("Enter password: ");
+        console.printf(String.valueOf(password));
+    }
+    
+    static void printSysOut() {
+        System.out.println(System.out);
+    }
+}
diff --git a/core-java-modules/core-java-console/src/test/java/com/baeldung/consoleout/ConsoleAndOutUnitTest.java b/core-java-modules/core-java-console/src/test/java/com/baeldung/consoleout/ConsoleAndOutUnitTest.java
@@ -0,0 +1,27 @@
+package com.baeldung.consoleout;
+
+import static org.junit.jupiter.api.Assertions.assertThrows;
+
+import org.junit.jupiter.api.Test;
+
+class ConsoleAndOutUnitTest {
+
+    @Test
+    void whenRetreivingConsole_thenPrintConsoleObject() {
+        assertThrows(NullPointerException.class, () -> {
+            ConsoleAndOut.printConsoleObject();  
+        });
+    }
+    
+    @Test
+    void whenReadingPassword_thenReadPassword() {
+        assertThrows(NullPointerException.class, () -> {
+            ConsoleAndOut.readPasswordFromConsole();  
+        });
+    }
+    
+    @Test
+    void whenRetrievingSysOut_thenPrintSysOutObject() {
+        ConsoleAndOut.printSysOut();
+    }
+}
