diff options
| author | Andrew Dolgov <[email protected]> | 2012-10-19 10:53:02 +0400 |
|---|---|---|
| committer | Andrew Dolgov <[email protected]> | 2012-10-19 10:53:02 +0400 |
| commit | 354cef3a9c4e020aef9afeee12f846e4554ec7b7 (patch) | |
| tree | adee32a85721ae5afadf4440e206a0e74b077f4f /src/org/catacombae/rarx/MarkHeader.java | |
| parent | 7923b86a935343bd0bc990b392fc85ac733518cf (diff) | |
add rarlib stuff
Diffstat (limited to 'src/org/catacombae/rarx/MarkHeader.java')
| -rw-r--r-- | src/org/catacombae/rarx/MarkHeader.java | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/src/org/catacombae/rarx/MarkHeader.java b/src/org/catacombae/rarx/MarkHeader.java new file mode 100644 index 0000000..76c17ef --- /dev/null +++ b/src/org/catacombae/rarx/MarkHeader.java @@ -0,0 +1,48 @@ +/*-
+ * Copyright (C) 2006 Erik Larsson
+ *
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+package org.catacombae.rarx;
+
+public class MarkHeader extends RARHeader {
+ private static final byte[] oldRarHeader = { 0x52, 0x45, 0x7e, 0x5e };
+ private static final byte[] rar2Header = { 0x52, 0x61, 0x72, 0x21, 0x1a, 0x07, 0x00 };
+ private static final byte[] uniqueHeader = { 0x55, 0x6e, 0x69, 0x71, 0x75, 0x45, 0x21 }; // "UniquE!" in ASCII
+
+ public MarkHeader(byte[] data, int offset) {
+ super(data, offset);
+ validateData();
+ }
+
+ protected void validateData() {
+ byte[] mark = getHeaderData();
+ if(Util.arraysEqual(Util.createCopy(mark, 0, 4), oldRarHeader)) {
+ throw new InvalidDataException("An older, unsupported RAR format was detected.");
+ }
+ else {
+ /* original RAR v2.0 */
+ if(Util.arraysEqual(mark, rar2Header) ||
+ Util.arraysEqual(mark, uniqueHeader)) {
+
+ }
+ else
+ throw new InvalidDataException("Not a RAR file.");
+ }
+ }
+}
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