added Power, rewrite of speak

README.md

@@ -1,10 +1,16 @@
 # RobotFactory
 
 ## Style Guide
+
 * For every method you write you also write the JUnit test and comments.
-    * [reference](https://www.oracle.com/technical-resources/articles/java/javadoc-tool.html)
 * Always mark the task you're currently working on the kanban board and move it to the right phase.
 
+## References
+
+* [JavaDocs](https://www.oracle.com/technical-resources/articles/java/javadoc-tool.html)
+* [Markdown](https://www.markdownguide.org/extended-syntax/)
+* [JUnit](https://junit.org/junit5/docs/current/user-guide/)
+
 ## Contributors
 
 * Luc Dreibholz (Matr.Nr.: 2210544)

src/de/hsmannheim/informatik/name/domain/RobotBluePrint.java

@@ -3,22 +3,33 @@ package de.hsmannheim.informatik.name.domain;
 import de.hsmannheim.informatik.name.domain.exceptions.RobotException;
 import de.hsmannheim.informatik.name.domain.exceptions.RobotIllegalStateException;
 import de.hsmannheim.informatik.name.domain.exceptions.RobotMagicValueException;
-import de.hsmannheim.informatik.name.domain.robot_interfaces.Robot;
+import de.hsmannheim.informatik.name.domain.requirements.Robot;
 
 public abstract class RobotBluePrint implements Robot {
 
     protected final int ID;
+
+    protected final int MAGIC_NUMBER = 42;
     private final String name;
+    private boolean isPowered;
 
     public RobotBluePrint(int id, String name) throws RobotIllegalStateException {
-        if(!this.isValidID(id)) {
+        if (!this.isValidID(id)) {
             //TODO write own Exception
             throw new RobotIllegalStateException();
         }
         this.ID = id;
         this.name = name;
+        this.isPowered = false;
     }
 
+    /**
+     * Checks if an {@code int} represents a valid {@code ID},
+     * concerning a specific model within its own criteria
+     *
+     * @param id {@code ID} to check
+     * @return {@code true} if the ID is valid, else {@code false}
+     */
     protected abstract boolean isValidID(int id);
 
     @Override
@@ -33,12 +44,12 @@ public abstract class RobotBluePrint implements Robot {
 
     @Override
     public void triggerPowerSwitch() {
-
+        this.isPowered = !this.isPowered;
     }
 
     @Override
     public boolean isPowerOn() {
-        return false;
+        return this.isPowered;
     }
 
     @Override
@@ -47,12 +58,8 @@ public abstract class RobotBluePrint implements Robot {
     }
 
     @Override
-    public String speak(int[] zahlen) throws RobotException, RobotMagicValueException {
-        return null;
-    }
+    public abstract String speak(int[] zahlen) throws RobotException, RobotMagicValueException;
 
     @Override
-    public int[] think(int[] zahlen) throws RobotException, RobotMagicValueException {
-        return new int[0];
-    }
+    public abstract int[] think(int[] zahlen) throws RobotException, RobotMagicValueException;
 }

src/de/hsmannheim/informatik/name/domain/requirements/Robot.java

@@ -1,5 +1,5 @@
 /* (c) 2012 Thomas Smits */
-package de.hsmannheim.informatik.name.domain.robot_interfaces;
+package de.hsmannheim.informatik.name.domain.requirements;
 
 /**
  * Interface für Roboter.

src/de/hsmannheim/informatik/name/domain/requirements/RobotControl.java

@@ -1,4 +1,4 @@
-package de.hsmannheim.informatik.name.domain.robot_interfaces;
+package de.hsmannheim.informatik.name.domain.requirements;
 
 import de.hsmannheim.informatik.name.domain.exceptions.RobotException;
 

src/de/hsmannheim/informatik/name/domain/requirements/RobotInstructions.java

@@ -1,4 +1,4 @@
-package de.hsmannheim.informatik.name.domain.robot_interfaces;
+package de.hsmannheim.informatik.name.domain.requirements;
 
 import de.hsmannheim.informatik.name.domain.exceptions.RobotException;
 import de.hsmannheim.informatik.name.domain.exceptions.RobotIllegalStateException;

src/de/hsmannheim/informatik/name/domain/starwars/StarWarsRobot.java

@@ -4,7 +4,9 @@ import de.hsmannheim.informatik.name.domain.RobotBluePrint;
 import de.hsmannheim.informatik.name.domain.exceptions.RobotException;
 import de.hsmannheim.informatik.name.domain.exceptions.RobotIllegalStateException;
 import de.hsmannheim.informatik.name.domain.exceptions.RobotMagicValueException;
-import de.hsmannheim.informatik.name.domain.robot_interfaces.Robot;
+
+import java.util.Arrays;
+import java.util.stream.Collectors;
 
 
 public abstract class StarWarsRobot extends RobotBluePrint {
@@ -16,16 +18,6 @@ public abstract class StarWarsRobot extends RobotBluePrint {
         SEPARATOR = separator;
     }
 
-    @Override
-    public void triggerPowerSwitch() {
-
-    }
-
-    @Override
-    public boolean isPowerOn() {
-        return false;
-    }
-
     @Override
     public RobotException getLastException() {
         return null;
@@ -33,29 +25,41 @@ public abstract class StarWarsRobot extends RobotBluePrint {
 
     @Override
     public String speak(int[] zahlen) throws RobotException, RobotMagicValueException {
-        StringBuilder sb = new StringBuilder();
-        //Loops through every element of zahlen[]
-        for (int i = 0; i < zahlen.length; i++) {
-            if (zahlen[i] == 42) {
+        if (Arrays.stream(zahlen).anyMatch(i -> i == MAGIC_NUMBER)) {
             throw new RobotMagicValueException();
         }
-            sb.append(zahlen[i]);
-            //if current number is not the last number add a separator
-            if (i != zahlen.length - 1) {
-                sb.append(SEPARATOR).append(" ");
-            }
-        }
-        return sb.toString();
+        return this.buildString(zahlen);
     }
 
-    public abstract int[] think(int[] zahlen) throws RobotException, RobotMagicValueException;
+    /**
+     * Creates a String representation of the given {@code payload},
+     * with separated values, by the delimiter {@code SEPARATOR}.
+     *
+     * @param payload {@code int[]} of elements
+     * @return {@link String representation} of the {@code payload}
+     */
+    private String buildString(int[] payload) {
+        return Arrays.stream(payload).mapToObj(String::valueOf).collect(Collectors.joining(SEPARATOR + " "));
+    }
 
+    /**
+     * Helper-Method to swap Elements of a given {@code array}.
+     *
+     * @param arr {@code array} to swap Elements
+     * @param a   Index of the first Element
+     * @param b   Index of the second Element
+     */
     protected static void swap(int[] arr, int a, int b) {
         int temp = arr[a];
         arr[a] = arr[b];
         arr[b] = temp;
     }
 
+    /**
+     * Helper-Method to reverse an {@code array}.
+     *
+     * @param array {@code array} to reverse
+     */
     protected static void reverse(int[] array) {
         for (int i = 0; i < array.length / 2; i++) {
             int temp = array[i];

tests/R2D2SpeakTest.java

@@ -41,6 +41,6 @@ class R2D2SpeakTest {
 
     @Test
     void speakTestMagicNumberException() throws RobotException {
-        assertThrows(RobotMagicValueException.class,() -> r2d2.speak(new int[]{42}));
+        assertThrows(RobotMagicValueException.class, () -> r2d2.speak(new int[]{42}));
     }
 }