completed

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 +38,19 @@ public String getHamletData(){
         return hamletData;
     }
 
+    public Boolean findPattern (String hamletText, String pattern){
+        Pattern patternToFind = Pattern.compile(pattern);
+
+        return patternToFind.matcher(hamletText).find();
+    }
+
+    public String replaceString(String hamletText, String pattern, String newWord){
+        Pattern patternToFind = Pattern.compile(pattern);
+        Matcher matcher = patternToFind.matcher(hamletText);
+
+        String result = matcher.replaceAll(newWord);
+
+        return result;
+    }
+
 }

src/main/resources/hamlet.txt

@@ -2555,7 +2555,7 @@ Danish march. A flourish. Enter KING CLAUDIUS, QUEEN GERTRUDE, POLONIUS, OPHELIA
 KING CLAUDIUS
 How fares our cousin Hamlet?
 HAMLET
-Excellent, i' faith; of the chameleon's dish: I eat
+Excellent, i' faith; of the chame's dish: I eat
 the air, promise-crammed: you cannot feed capons so.
 KING CLAUDIUS
 I have nothing with this answer, Hamlet; these words

src/test/java/HamletParserTest.java

@@ -1,12 +1,12 @@
+import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
 
-import static org.junit.Assert.*;
-
 public class HamletParserTest {
     private String hamletText;
     private HamletParser hamletParser;
 
+
     @Before
     public void setUp() {
         this.hamletParser = new HamletParser();
@@ -15,17 +15,39 @@ public void setUp() {
 
     @Test
     public void testChangeHamletToLeon() {
+        //given
+        String result = hamletParser.replaceString(hamletText,"Hamlet","Leon");
+        //when
+        Boolean actualFalse  = hamletParser.findPattern(result,"Hamlet");
+        Boolean actualTrue  = hamletParser.findPattern(result,"Leon");
+        //then
+        Assert.assertFalse(actualFalse);
+        Assert.assertFalse(actualTrue);
     }
 
     @Test
     public void testChangeHoratioToTariq() {
+        //given
+        String result = hamletParser.replaceString(hamletText,"Horatio","Tariq");
+        //when
+        Boolean actualFalse  = hamletParser.findPattern(result,"Horatio");
+        Boolean actualTrue  = hamletParser.findPattern(result,"Tariq");
+        //then
+        Assert.assertFalse(actualFalse);
+        Assert.assertTrue(actualTrue);
     }
 
     @Test
     public void testFindHoratio() {
+        Boolean actual  = hamletParser.findPattern(this.hamletText,"Horatio");
+
+        Assert.assertTrue(actual);
     }
 
     @Test
     public void testFindHamlet() {
+        Boolean actual  = hamletParser.findPattern(this.hamletText,"Hamlet");
+
+        Assert.assertTrue(actual);
     }
 }