From 354cef3a9c4e020aef9afeee12f846e4554ec7b7 Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <fox@fakecake.org>
Date: Fri, 19 Oct 2012 10:53:02 +0400
Subject: add rarlib stuff

---
 src/org/catacombae/rarx/ProtectedHeader.java | 67 ++++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 src/org/catacombae/rarx/ProtectedHeader.java

(limited to 'src/org/catacombae/rarx/ProtectedHeader.java')

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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