Merge pull request #33 from HPCToolkit/develop

Add missing file FileUtitlity.java

Author: laksono

edu.rice.cs.hpcviewer.ui/src/edu/rice/cs/hpcviewer/ui/util/FileUtility.java

@@ -0,0 +1,41 @@
+package edu.rice.cs.hpcviewer.ui.util;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.PrintWriter;
+
+public class FileUtility 
+{
+	/***
+	 * Read the content of the file
+	 * @param filename
+	 * @return String
+	 * @throws IOException
+	 */
+	public static String getFileContent(String filename) throws IOException {
+		File file = new File(filename);
+		if (!file.canRead())
+			return "";
+		
+		FileInputStream fis = new FileInputStream(file);
+		byte[] data = new byte[(int) file.length()];
+		fis.read(data);
+		
+		String content = new String(data, "UTF-8");				
+		fis.close();
+		
+		return content;
+	}
+	
+	
+	/****
+	 * Remove the content of the file without deleting it.
+	 * 
+	 * @param filename
+	 * @throws IOException
+	 */
+	public static void clearFileContent(String filename) throws IOException {
+		new PrintWriter(filename).close();
+	}
+}