-package org.simantics.fastlz;\r
-\r
-import java.io.File;\r
-import java.io.FileInputStream;\r
-import java.io.IOException;\r
-import java.io.InputStream;\r
-import java.net.URL;\r
-import java.security.MessageDigest;\r
-import java.security.NoSuchAlgorithmException;\r
-\r
-/**\r
- * @author Tuukka Lehtonen\r
- */\r
-public final class ChecksumUtil {\r
-\r
- public static byte[] computeSum(byte[] in) {\r
- if (in == null)\r
- throw new IllegalArgumentException("Input cannot be null!");\r
- try {\r
- MessageDigest md = MessageDigest.getInstance("MD5");\r
- md.update(in, 0, in.length);\r
- return md.digest();\r
- } catch (NoSuchAlgorithmException e) {\r
- throw new Error("MD5 digest must be supported by JVM");\r
- }\r
- }\r
-\r
- public static byte[] computeSum(InputStream in) throws IOException {\r
- if (in == null)\r
- throw new IllegalArgumentException("Input cannot be null!");\r
-\r
- MessageDigest md;\r
- try {\r
- md = MessageDigest.getInstance("MD5");\r
- } catch (NoSuchAlgorithmException e) {\r
- throw new Error("MD5 digest must be supported by JVM");\r
- }\r
- byte[] data = new byte[64 * 1024];\r
-\r
- while (true) {\r
- int read = in.read(data);\r
- if (read == -1) {\r
- return md.digest();\r
- }\r
- md.update(data, 0, read);\r
- }\r
- }\r
-\r
- public static byte[] computeSum(File f) throws IOException {\r
- InputStream in = null;\r
- try {\r
- in = new FileInputStream(f);\r
- return computeSum(in);\r
- } finally {\r
- if (in != null)\r
- in.close();\r
- }\r
- }\r
-\r
- public static byte[] computeSum(URL url) throws IOException {\r
- InputStream in = null;\r
- try {\r
- in = url.openStream();\r
- return computeSum(in);\r
- } finally {\r
- if (in != null)\r
- in.close();\r
- }\r
- }\r
-\r
-}\r
+package org.simantics.fastlz;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URL;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+
+/**
+ * @author Tuukka Lehtonen
+ */
+public final class ChecksumUtil {
+
+ public static byte[] computeSum(byte[] in) {
+ if (in == null)
+ throw new IllegalArgumentException("Input cannot be null!");
+ try {
+ MessageDigest md = MessageDigest.getInstance("MD5");
+ md.update(in, 0, in.length);
+ return md.digest();
+ } catch (NoSuchAlgorithmException e) {
+ throw new Error("MD5 digest must be supported by JVM");
+ }
+ }
+
+ public static byte[] computeSum(InputStream in) throws IOException {
+ if (in == null)
+ throw new IllegalArgumentException("Input cannot be null!");
+
+ MessageDigest md;
+ try {
+ md = MessageDigest.getInstance("MD5");
+ } catch (NoSuchAlgorithmException e) {
+ throw new Error("MD5 digest must be supported by JVM");
+ }
+ byte[] data = new byte[64 * 1024];
+
+ while (true) {
+ int read = in.read(data);
+ if (read == -1) {
+ return md.digest();
+ }
+ md.update(data, 0, read);
+ }
+ }
+
+ public static byte[] computeSum(File f) throws IOException {
+ InputStream in = null;
+ try {
+ in = new FileInputStream(f);
+ return computeSum(in);
+ } finally {
+ if (in != null)
+ in.close();
+ }
+ }
+
+ public static byte[] computeSum(URL url) throws IOException {
+ InputStream in = null;
+ try {
+ in = url.openStream();
+ return computeSum(in);
+ } finally {
+ if (in != null)
+ in.close();
+ }
+ }
+
+}