done

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.
@@ -36,4 +38,41 @@ public class HamletParser {
         return hamletData;
     }
 
+    public String changeHamletToLeon(){
+
+        Pattern pattern = Pattern.compile(".*Hamlet.*");
+        Matcher matcher = pattern.matcher(hamletData);
+        return matcher.replaceAll("Leon");
+
+    }
+
+
+    public String changeHoratioToTariq(){
+
+        Pattern pattern = Pattern.compile("Horatio");
+        Matcher matcher = pattern.matcher(hamletData);
+        return matcher.replaceAll("Tariq");
+    }
+
+    public boolean findHoratio(){
+//        String ham= hamletData;
+//        String regex = ".*Horatio.*";
+//        boolean matcher= Pattern.matches(regex,ham);
+//        System.out.println(matcher);
+//        return matcher;
+//     cannot use this method because matches expects char sequence but the given input is a text file.
+
+        Pattern pattern = Pattern.compile(".*Horatio.*");
+        Matcher matcher = pattern.matcher(hamletData);
+        return matcher.find();
+    }
+
+
+    public boolean findHamlet(){
+
+        Pattern pattern = Pattern.compile("Hamlet");
+        Matcher matcher = pattern.matcher(hamletData);
+        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 +16,32 @@ public class HamletParserTest {
 
     @Test
     public void testChangeHamletToLeon() {
+        boolean expected = false;
+        String changedText = hamletParser.changeHamletToLeon();
+        boolean actual =changedText.contains("Hamlet");
+        Assert.assertEquals(expected,actual);
+
     }
 
     @Test
     public void testChangeHoratioToTariq() {
+        boolean expected = false;
+        String changedText = hamletParser.changeHoratioToTariq();
+        boolean actual =changedText.contains("Horatio");
+        Assert.assertEquals(expected,actual);
     }
 
     @Test
     public void testFindHoratio() {
+        boolean expected = true;
+        boolean actual= hamletParser.findHoratio();
+        Assert.assertEquals(expected,actual);
     }
 
     @Test
     public void testFindHamlet() {
+        boolean expected = true;
+        boolean actual = hamletParser.findHamlet();
+        Assert.assertEquals(expected,actual);
     }
 }