add util class for reading files and change filereading method

1 files changed, 39 insertions, 0 deletions

diff --git a/src/Compiler/Utils.java b/src/Compiler/Utils.java
new file mode 100644
index 0000000..f9bd41c
--- /dev/null
+++ b/src/Compiler/Utils.java
@@ -0,0 +1,39 @@
+/**
+ * Simple util class to contain methods commonly used accross Java files
+ */
+package Compiler;
+
+import java.io.*;
+import java.nio.file.Files;
+
+public class Utils {
+    // Adapted from here for now
+    // https://www.geeksforgeeks.org/different-ways-reading-text-file-java/
+
+    public static String readFile(String path) throws Exception{
+
+        File file = new File(path);
+        BufferedReader br = new BufferedReader(new FileReader(file));
+
+        // Stringbuilder is mutable
+        StringBuilder readFile = new StringBuilder();
+
+        String line;
+        while ((line = br.readLine()) != null)
+            //System.out.println(line);
+            readFile = readFile.append(line + "\n");
+
+        return readFile.toString();
+    }
+
+    public static void main(String[] args) throws Exception {
+        String currentPath = new java.io.File(".").getCanonicalPath();
+        System.out.println("Current dir:" + currentPath);
+
+        String helpfile = readFile("Compiler/helpfile.txt");
+        System.out.println(helpfile);
+
+    }
+
+
+}