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/ProtectedHeader.java | |
| parent | 7923b86a935343bd0bc990b392fc85ac733518cf (diff) | |
add rarlib stuff
Diffstat (limited to 'src/org/catacombae/rarx/ProtectedHeader.java')
| -rw-r--r-- | src/org/catacombae/rarx/ProtectedHeader.java | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/src/org/catacombae/rarx/ProtectedHeader.java b/src/org/catacombae/rarx/ProtectedHeader.java new file mode 100644 index 0000000..0f7df6d --- /dev/null +++ b/src/org/catacombae/rarx/ProtectedHeader.java @@ -0,0 +1,67 @@ +/*-
+ * 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;
+
+import java.io.PrintStream;
+
+public class ProtectedHeader extends RARHeader {
+ private final byte[] dataSize = new byte[4];
+ private final byte[] unknownData;
+ public ProtectedHeader(byte[] data, int offset) {
+ super(data, offset);
+ System.arraycopy(data, super.getSize(), dataSize, 0, 4);
+ unknownData = new byte[getHeadSize()-(super.getSize()+4)];
+ System.arraycopy(data, super.getSize()+4, unknownData, 0, unknownData.length);
+ validateData();
+ }
+
+ public int getSize() {
+ return _getSize();
+ }
+
+ private int _getSize() {
+ return super.getSize()+dataSize.length+unknownData.length;
+ }
+
+ public void validateData() {
+ super.validateData();
+ if(getHeadType() != PROTECT_HEAD)
+ throw new InvalidDataException("Incorrect head type! (headType=" + getHeadType() + ")");
+ }
+
+ public byte[] getHeaderData() {
+ byte[] outData = new byte[_getSize()];
+ byte[] superData = super.getHeaderData();
+ System.arraycopy(superData, 0, outData, 0, superData.length);
+ System.arraycopy(dataSize, 0, outData, superData.length, dataSize.length);
+ System.arraycopy(unknownData, 0, outData, superData.length+dataSize.length, unknownData.length);
+ return outData;
+ }
+
+ public long getDataSize() {
+ return Util.readIntLE(dataSize, 0) & 0xFFFFFFFFL;
+ }
+
+ public void print(PrintStream ps, String prefix) {
+ System.out.println("Protected header:");
+ printFields(ps, prefix);
+ }
+}
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