documentdone

src/main/java/rocks/zipcode/Document.java

@@ -1,5 +1,7 @@
 package rocks.zipcode;
 
+import com.sun.xml.internal.ws.policy.privateutil.PolicyUtils;
+
 import java.io.*;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
@@ -9,6 +11,7 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.LinkedList;
 import java.util.List;
+import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 import java.util.stream.Stream;
 
@@ -17,8 +20,8 @@ import java.util.stream.Stream;
  */
 public class Document implements DocumentInterface {
 
-    private final FileWriter fileWriter;
     private final File file;
+    private List<String> lines;
 
     public Document(String fileName) throws IOException {
         this(new File(fileName));
@@ -26,12 +29,13 @@ public class Document implements DocumentInterface {
 
     public Document(File file) throws IOException {
         this.file = file;
-        this.fileWriter = new FileWriter(file);
     }
 
     @Override
     public void write(String contentToBeWritten) {
+
         try {
+            FileWriter fileWriter = new FileWriter(file);
             fileWriter.write(contentToBeWritten);
             fileWriter.close();
         } catch (IOException e) {
@@ -41,23 +45,16 @@ public class Document implements DocumentInterface {
 
     @Override
     public void write(Integer lineNumber, String valueToBeWritten){
-       List<String> lines = toList();
+        String result = "";
+       lines = toList();
        lines.set(lineNumber, valueToBeWritten);
-      try {
-          Files.write(file.toPath(), lines);
-      } catch (IOException e){
-          System.out.println("error");
-      }
+       write(result.join("\n", lines));
+
     }
 
     @Override
     public String read(Integer lineNumber) {
-        String result = "";
-        List<String> lines = toList();
-        for (int i = 0; i < lines.size(); i++) {
-            if (i == lineNumber) {result = lines.get(i); }
-        }
-        return result;
+        return toList().get(lineNumber);
     }
 
     @Override
@@ -72,16 +69,19 @@ public class Document implements DocumentInterface {
     }
 
     @Override
-    public void replaceAll(String stringToReplace, String replacementString) {
-
+    public void replaceAll(String stringToReplace, String replacementString){
+        Pattern pattern = Pattern.compile(stringToReplace);
+        Matcher matcher = pattern.matcher(read());
+        write(matcher.replaceAll(replacementString));
     }
 
     @Override
     public void overWrite(String content) {
+        write(content);
     }
 
     public List<String> toList() {
-        List<String> lines = new ArrayList(){};
+        lines = new ArrayList(){};
        try {
          lines = Files.readAllLines(file.toPath());
        } catch (IOException e) {