Pull request for my string transformer (VowelBleeper + Piratizer)

src/edu/macalester/comp124/stringtransformer/Piratizer.java

@@ -0,0 +1,55 @@
+package edu.macalester.comp124.stringtransformer;
+
+import acm.util.RandomGenerator;
+
+import java.util.Scanner;
+
+/**
+ * Created by Barbara B on 2/27/14.
+ */
+public class Piratizer extends StringTransformer {
+
+
+    public String finishSentence(String s) {
+        RandomGenerator rgen = new RandomGenerator();
+        int result = rgen.nextInt(1,8);
+
+
+            switch(result) {
+                case 1: return s + " Arrrrr!";
+                case 2: return s + " Ahoy!";
+                default: return s;
+            }
+
+    }
+
+
+    @Override
+    public String transformEachWord(String in) {
+        Scanner wordScanner = new Scanner(in).useDelimiter("[.!?]");
+        StringBuilder out = new StringBuilder();
+        int prevEnd = 0;
+        while(wordScanner.hasNext()) {
+            String word = wordScanner.next();
+            out.append(in.substring(prevEnd, wordScanner.match().start()));
+            out.append(transform(word));
+            prevEnd = wordScanner.match().end();
+        }
+        out.append(in.substring(prevEnd));
+        return out.toString();
+    }
+
+
+    @Override
+    public String transform(String s) {
+        s = s.replaceAll("r", "rrr");
+        s = finishSentence(s);
+
+        return s;
+    }
+
+    @Override
+    public String toString() {
+        return "Piratized";
+    }
+}

src/edu/macalester/comp124/stringtransformer/VowelBleeper.java

@@ -0,0 +1,17 @@
+package edu.macalester.comp124.stringtransformer;
+
+/**
+ * Created by Barbara B on 2/27/14.
+ */
+public class VowelBleeper extends StringTransformer {
+
+    @Override
+    public String transform(String s) {
+        return  s.replaceAll("[aeiouAEIOU]", "*");
+    }
+
+    @Override
+    public String toString() {
+        return "Vowel Bleeper";
+    }
+}

test/edu/macalester/comp124/stringtransformer/PiratizerTest.java

@@ -0,0 +1,21 @@
+package edu.macalester.comp124.stringtransformer;
+
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+/**
+ * Created by Barbara B on 2/27/14.
+ */
+
+public class PiratizerTest {
+
+    private final StringTransformer piratizer = new Piratizer();
+
+
+    @Test
+    public void piratizes() {
+        assertEquals("errra", piratizer.transform("era"));
+        assertEquals("pirrrate", piratizer.transform("pirate"));
+    }
+}

test/edu/macalester/comp124/stringtransformer/VowelBleeperTest.java

@@ -0,0 +1,25 @@
+package edu.macalester.comp124.stringtransformer;
+
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+/**
+ * Created by Barbara B on 2/27/14.
+ */
+public class VowelBleeperTest {
+
+    private final StringTransformer vowelBleeper = new VowelBleeper();
+
+    @Test
+    public void handlesEmptyString() {
+        assertEquals("", vowelBleeper.transform(""));
+    }
+
+    @Test
+    public void capitalizesAll() {
+        assertEquals("*", vowelBleeper.transform("A"));
+        assertEquals("Z*NGL*", vowelBleeper.transform("ZONGLE"));
+        assertEquals("b*bbl*", vowelBleeper.transform("bubble"));
+    }
+}