FileUtils: add method to write data to a file

Author: ctrueden

src/main/java/org/scijava/util/FileUtils.java

@@ -37,6 +37,7 @@
 import java.io.DataInputStream;
 import java.io.File;
 import java.io.FileInputStream;
+import java.io.FileOutputStream;
 import java.io.FilenameFilter;
 import java.io.IOException;
 import java.net.JarURLConnection;
@@ -151,6 +152,24 @@ public static byte[] readFile(final File file) throws IOException {
 		return bytes;
 	}
 
+	/**
+	 * Writes the given byte array to the specified file.
+	 * 
+	 * @see DigestUtils#bytes(String) To convert a string to a byte array.
+	 * @throws IOException If the file cannot be written.
+	 */
+	public static void writeFile(final File file, final byte[] bytes)
+		throws IOException
+	{
+		final FileOutputStream out = new FileOutputStream(file);
+		try {
+			out.write(bytes);
+		}
+		finally {
+			out.close();
+		}
+	}
+
 	/**
 	 * A regular expression to match filenames containing version information.
 	 * <p>