pom.xml

@@ -7,6 +7,18 @@
     <groupId>com.zipcodewilmington</groupId>
     <artifactId>regex</artifactId>
     <version>1.0-SNAPSHOT</version>
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>7</source>
+                    <target>7</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
 
     <dependencies>
         <dependency>

src/main/java/HamletParser.java

@@ -1,6 +1,8 @@
 import java.io.File;
 import java.io.IOException;
 import java.util.Scanner;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 
 /**
  * Created by thook on 10/7/15.
@@ -16,7 +18,7 @@ public class HamletParser {
     private String loadFile(){
         ClassLoader classLoader = getClass().getClassLoader();
         File file = new File(classLoader.getResource("hamlet.txt").getFile());
-        StringBuilder result = new StringBuilder("");
+        StringBuilder result = new StringBuilder();
 
         try(Scanner scanner = new Scanner(file)){
             while(scanner.hasNextLine()){
@@ -36,4 +38,38 @@ public class HamletParser {
         return hamletData;
     }
 
+    public String swapWords(String input, String replace, String replacement){
+        Pattern pattern = Pattern.compile("\\w+(\\W+)?");
+        Matcher matcher = pattern.matcher(input);
+        String result = "";
+        while(matcher.find()){
+            String word = matcher.group();
+            String punctuation = findPunctuation(word);
+            if(!word.trim().equals(replace) && !word.trim().equals(replace.toLowerCase())){
+                result += word;
+            } else{
+                result += replacement + punctuation;
+            }
+        }
+        return result.trim();
+    }
+
+    public String findPunctuation(String testString) {
+        String punctuation = "";
+
+        Pattern pattern1 = Pattern.compile("\\W+");
+        Matcher matcher1 = pattern1.matcher(testString);
+
+        if(matcher1.find()){
+            punctuation = matcher1.group();
+        }
+        return punctuation;
+    }
+
+    public boolean findName(String input, String name){
+        Pattern pattern = Pattern.compile(name);
+        Matcher matcher = pattern.matcher(input);
+
+        return matcher.find();
+    }
 }

src/test/java/HamletParserTest.java

@@ -1,3 +1,4 @@
+import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
 
@@ -15,17 +16,61 @@ public class HamletParserTest {
 
     @Test
     public void testChangeHamletToLeon() {
+        String testString = "Hamlet is a really terrible story.";
+        String acutal = hamletParser.swapWords(testString, "Hamlet", "Leon");
+        String expect = "Leon is a really terrible story.";
+
+        Assert.assertEquals(expect, acutal);
+    }
+
+    @Test
+    public void findPunctuation(){
+        String testString = "Hamlet.";
+        String expect = ".";
+        String actual = hamletParser.findPunctuation(testString);
+
+        Assert.assertEquals(expect, actual);
     }
 
     @Test
     public void testChangeHoratioToTariq() {
+        String testString = "Horatio is a persons name?";
+        String acutal = hamletParser.swapWords(testString, "Horatio", "Tariq");
+        String expect = "Tariq is a persons name?";
+
+        Assert.assertEquals(expect, acutal);
     }
 
     @Test
     public void testFindHoratio() {
+        String testString = "Horatio is a persons name?";
+        boolean acutal = hamletParser.findName(testString,"Horatio");
+        boolean expect = true;
+
+        Assert.assertEquals(expect, acutal);
     }
 
     @Test
     public void testFindHamlet() {
+        String testString = "Hamlet is a persons name?";
+        boolean acutal = hamletParser.findName(testString,"Hamlet");
+        boolean expect = true;
+
+        Assert.assertEquals(expect, acutal);
+    }
+
+    @Test
+    public void testFindHoratioFail() {
+        String testString = "Hamlet is a persons name?";
+        boolean actual = hamletParser.findName(testString,"Horatio");
+        Assert.assertFalse(actual);
+    }
+
+    @Test
+    public void testFindHamletFail() {
+        String testString = "Horatio is a persons name?";
+        boolean actual = hamletParser.findName(testString,"Hamlet");
+
+        Assert.assertFalse(actual);
     }
 }