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>1.7</source>
+                    <target>1.7</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
 
     <dependencies>
         <dependency>

src/main/java/HamletParser.java

@@ -1,39 +1,56 @@
 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.
  */
 public class HamletParser {
 
     private String hamletData;
-
-    public HamletParser(){
+    private String[] patterns;
+    private String[] replacements;
+    private String fileName;
+
+
+    public HamletParser(String fileName, String[] patterns, String[] replacements) {
+//        if(replacements.length < patterns.length){
+//            throw new Exception("there must be at least as many replacements as patterns");
+//        }
+        this.patterns = patterns;
+        this.replacements = replacements;
+        this.fileName = fileName;
         this.hamletData = loadFile();
     }
 
     private String loadFile(){
         ClassLoader classLoader = getClass().getClassLoader();
-        File file = new File(classLoader.getResource("hamlet.txt").getFile());
+        File file = new File(classLoader.getResource(this.fileName).getFile());
         StringBuilder result = new StringBuilder("");
-
         try(Scanner scanner = new Scanner(file)){
             while(scanner.hasNextLine()){
                 String line = scanner.nextLine();
                 result.append(line).append("\n");
             }
-
             scanner.close();
         }catch(IOException e){
             e.printStackTrace();
         }
-
         return result.toString();
     }
 
     public String getHamletData(){
-        return hamletData;
+        String outPut = this.hamletData;
+        for(int i = 0; i < patterns.length; i++){
+            Pattern p =  Pattern.compile(this.patterns[i]);
+            Matcher matcher = p.matcher(outPut);
+            outPut = matcher.replaceAll(this.replacements[i]);
+        }
+        return outPut;
     }
 
 }
+
+

src/main/resources/test.txt

@@ -0,0 +1,2 @@
+Change Hamlet to Leon. Change Hamlet to Leon.
+Change Horatio to Tariq. Change Horatio to Tariq.

src/test/java/HamletParserTest.java

@@ -1,31 +1,73 @@
+import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
 
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
 import static org.junit.Assert.*;
 
 public class HamletParserTest {
-    private String hamletText;
-    private HamletParser hamletParser;
 
-    @Before
-    public void setUp() {
-        this.hamletParser = new HamletParser();
-        this.hamletText = hamletParser.getHamletData();
-    }
 
     @Test
     public void testChangeHamletToLeon() {
+        String inputLine = "Change Hamlet to Leon. Change Hamlet to Leon.";
+        String[] searchStr = {"Hamlet"};
+        String[] repStr = {"Leon"};
+        String fileName = "test.txt";
+        HamletParser test = new HamletParser(fileName, searchStr, repStr);
+        String actual = test.getHamletData();
+        String expect = "Change Leon to Leon. Change Leon to Leon.\n" +
+                "Change Horatio to Tariq. Change Horatio to Tariq.\n";
+        Assert.assertEquals(expect, actual);
     }
-
     @Test
     public void testChangeHoratioToTariq() {
+        String inputLine = "Change Horatio to Tariq. Change Horatio to Tariq.";
+        String[] searchStr = {"Horatio"};
+        String[] repStr = {"Tariq"};
+        String fileName = "test.txt";
+        HamletParser test = new HamletParser(fileName, searchStr, repStr);
+        String actual = test.getHamletData();
+        String expect = "Change Hamlet to Leon. Change Hamlet to Leon.\n" +
+                "Change Tariq to Tariq. Change Tariq to Tariq.\n";
+        Assert.assertEquals(expect, actual);
     }
 
+    @Test
+    public void testChangeHoratioToTariqAndHamletToLeon() {
+        String inputLine = "Change Horatio to Tariq. Change Horatio to Tariq.";
+        String[] searchStr = {"Hamlet", "Horatio"};
+        String[] repStr = {"Leon", "Tariq"};
+        String fileName = "test.txt";
+        HamletParser test = new HamletParser(fileName, searchStr, repStr);
+        String actual = test.getHamletData();
+        String expect = "Change Leon to Leon. Change Leon to Leon.\n" +
+                "Change Tariq to Tariq. Change Tariq to Tariq.\n";
+        Assert.assertEquals(expect, actual);
+    }
+
+
     @Test
     public void testFindHoratio() {
+        String[] searchStr = {"Hamlet", "Horatio"};
+        String[] repStr = {"Leon", "Tariq"};
+        String fileName = "hamlet.txt";
+        HamletParser test = new HamletParser(fileName, searchStr, repStr);
+        Boolean actual = test.getHamletData().contains("Horatio");
+        Assert.assertEquals(false, actual);
     }
 
     @Test
     public void testFindHamlet() {
+        String[] searchStr = {"Hamlet", "Horatio"};
+        String[] repStr = {"Leon", "Tariq"};
+        String fileName = "hamlet.txt";
+        HamletParser test = new HamletParser(fileName, searchStr, repStr);
+        Boolean actual = test.getHamletData().contains("Hamlet");
+        Assert.assertEquals(false, actual);
     }
-}
+}
+
+