Rewrote Jed to have multiple classes and cleaned up the code

1 files changed, 76 insertions, 0 deletions

diff --git a/src/filebuffer.java b/src/filebuffer.java
new file mode 100644
index 0000000..1ed0406
--- /dev/null
+++ b/src/filebuffer.java
@@ -0,0 +1,76 @@
+package jed;
+
+import java.io.*;
+import java.util.ArrayList;
+import java.util.Scanner;
+
+public class filebuffer {
+
+    public ArrayList<String> buffer;
+    public String fileName;
+    public boolean hasName;
+
+    public filebuffer(String fn, boolean hn) {
+        buffer = new ArrayList<String>(); // Arraylist that stores every line of a file in strings
+        hasName = hn;
+        if (hasName)
+            fileName = fn;
+    }
+
+    /* printFile: prints strings from file arraylist, if num is true it includes line numbers */
+    public void printFile(boolean num) {
+        for (int i = 0; i < buffer.size(); i++) {
+            if (num)
+                System.out.printf("%d %s\n", i+1, buffer.get(i));
+            else
+                System.out.println(buffer.get(i));
+        }
+    }
+
+    /* createFile: creates a file, only to be called by writeFile */
+    private int createFile() {
+        try {
+            File f = new File(fileName);
+            if (f.createNewFile())
+                return 1;
+            return 0;
+        } catch (IOException e) {
+            return -1;
+        }
+    }
+
+    /* writeFile: reads strings from file arraylist and prints them into a file */
+    public int writeFile() {
+        if (!hasName) {
+            System.out.println("?");
+            return 1;
+        }
+        int err = createFile();
+        if (err == -1)
+            return 1;
+        try {
+            FileWriter fw = new FileWriter(fileName);
+            PrintWriter pw = new PrintWriter(fw);
+            for (int i = 0; i < buffer.size(); i++)
+                pw.println(buffer.get(i));
+            pw.close();
+        } catch (IOException e) {
+            return 1;
+        }
+        return 0;
+    }
+
+    /* readFile: opens a file and stores each line in a string arraylist called file */
+    public int readFile() {
+        try {
+            File fileObj = new File(fileName);
+            Scanner fileReader = new Scanner(fileObj);
+            while(fileReader.hasNextLine())
+                buffer.add(fileReader.nextLine());
+            fileReader.close();
+        } catch (FileNotFoundException e) {
+            createFile();
+        }
+        return 0;
+    }
+}
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