git-svn-id: http://locode01.ad.dom/svn/WEBMIP/trunk@50874 248e525c-4dfb-0310-94bc-949c084e9493

Data/BulkLoad/EFT/Nominations/java/HashFile.java

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+/*
+ * HashFile.java
+ *
+ * Created on 2007. janu<6E>r 21., 17:55
+ *
+ * To change this template, choose Tools | Template Manager
+ * and open the template in the editor.
+ */
+
+package tsdemo;
+
+import java.security.MessageDigest;
+
+import java.io.FileInputStream;
+
+/**
+ *
+ * @author root
+ */
+public class HashFile {
+    
+    /** Creates a new instance of HashFile */
+    public HashFile() {
+    }
+    
+    public static byte[] getHash(String Filename, String Algorithm) {
+        try {
+            MessageDigest d = MessageDigest.getInstance(Algorithm);     // Get a hash handler
+            FileInputStream f = new FileInputStream(Filename);          // open file for hashing
+            byte[] b = new byte[1];                                     
+            while ( -1 != f.read(b, 0, 1))                              // feed the message digester
+                d.update(b);
+            f.close();
+            return d.digest();                                          // get the final hash and return it
+        } catch (Exception e) {
+        System.out.println("Hashing Error " + e.getMessage());
+            return null;
+        }
+    }
+    
+}