76 lines
2.4 KiB
Java
76 lines
2.4 KiB
Java
package com.webcodepro.shrinkit;
|
|
|
|
/*
|
|
* Copyright (C) 2012 by David Schmidt
|
|
* david__schmidt at users.sourceforge.net
|
|
*
|
|
* 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.,
|
|
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
import java.io.File;
|
|
import java.io.FileInputStream;
|
|
import java.io.IOException;
|
|
import java.io.InputStream;
|
|
|
|
import com.webcodepro.shrinkit.io.LittleEndianByteInputStream;
|
|
|
|
/**
|
|
* Some higher-level utilities for dealing with a NuFX archive.
|
|
*
|
|
* @author david__schmidt@users.sourceforge.net
|
|
*/
|
|
public class Utilities
|
|
{
|
|
/**
|
|
* Interpret a SDK NuFile/NuFX/Shrinkit archive as a full disk image.
|
|
*
|
|
* @return byte[] buffer containing full disk of data; null if unable to read
|
|
* @throws IllegalArgumentException if the filename is not able to be read
|
|
* @throws IOException the file has some malformed-ness about it
|
|
*/
|
|
public static byte[] unpackSDKFile(String fileName) throws IOException {
|
|
byte buffer[] = null;
|
|
ThreadRecord dataThread = null;
|
|
File file = new File(fileName);
|
|
if (file.isDirectory()) {
|
|
throw new IllegalArgumentException("'" + fileName + "' is not a file.");
|
|
}
|
|
InputStream is = new FileInputStream(file);
|
|
NuFileArchive a = new NuFileArchive(is);
|
|
for (HeaderBlock b : a.getHeaderBlocks()) {
|
|
for (ThreadRecord r : b.getThreadRecords()) {
|
|
try
|
|
{
|
|
if (r.getThreadKind() == ThreadKind.DISK_IMAGE)
|
|
{
|
|
dataThread = r;
|
|
}
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
System.out.println(ex);
|
|
}
|
|
}
|
|
dataThread.readThreadData(new LittleEndianByteInputStream(dataThread.getRawInputStream()));
|
|
InputStream fis = dataThread.getInputStream();
|
|
int dmgLen = (int)(dataThread.getThreadEof());
|
|
buffer = new byte[dmgLen];
|
|
fis.read(buffer,0,dmgLen);
|
|
fis.close();
|
|
}
|
|
return buffer;
|
|
}
|
|
}
|