/*
JBinHex
Copyright (C) 2000, Erwin Bolwidt
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.
*/
package org.gjt.convert.binhex;
import java.util.*;
import java.io.*;
import java.net.*;
/**
Command line program to decode binhex files from the harddisk or from
the web.
It accepts the following command line parameters:
@author Erwin Bolwidt
*/
public class DeBinHex
{
public static void main(String[] args) throws Exception
{
String inFile = findValueOption("-f", args);
InputStream binhexIn = System.in;
if(inFile != null)
binhexIn = new FileInputStream(inFile);
else
{
String urlString = findValueOption("-u", args);
if(urlString != null)
{
URL url = new URL(urlString);
binhexIn = url.openConnection().getInputStream();
}
}
if(findOption("-h", args))
{
action(binhexIn, true, false, null, false, null);
return;
}
String dataFile = null;
String resourceFile = null;
boolean doData = false;
boolean doResource = false;
if((dataFile = findValueOption("-df", args)) != null)
doData = true;
if(findOption("-d", args))
doData = true;
if((resourceFile = findValueOption("-rf", args)) != null)
doResource = true;
if(findOption("-r", args))
doResource = true;
if(!doResource && !doData)
// The user didn't specify anything to do, so let's do the data
// fork.
doData = true;
action(binhexIn, false, doData, dataFile, doResource, resourceFile);
}
private static String findValueOption(String name, String[] args)
{
for(int i = 0; i < args.length; i++)
{
if(args[i].equals(name))
{
if(i + 1 < args.length)
return args[i+1];
else
throw new RuntimeException(
"Cannot use option that needs an argument "
+ "as the last option");
}
}
return null;
}
private static boolean findOption(String name, String[] args)
{
for(int i = 0; i < args.length; i++)
{
if(args[i].equals(name))
return true;
}
return false;
}
public static void action(
InputStream binhexIn, boolean justHeader,
boolean doData, String dataOut,
boolean doResource, String resourceOut) throws IOException
{
BinHex4InputStream binhex;
binhex = new BinHex4InputStream(binhexIn);
if(justHeader)
{
System.out.println(binhex.getHeader());
return;
}
String fileName = binhex.getHeader().getFileName();
if(doData && dataOut == null)
dataOut = fileName;
if(doResource && resourceOut == null)
resourceOut = fileName.concat(".resource");
if(doData)
{
FileOutputStream out = new FileOutputStream(dataOut);
try {
pump(binhex, out);
} finally {
out.close();
}
}
if(doResource)
{
FileOutputStream out = new FileOutputStream(resourceOut);
binhex.useResourceFork();
try {
pump(binhex, out);
} finally {
out.close();
}
}
}
private static void pump(InputStream in, OutputStream out) throws IOException
{
byte[] buf = new byte[1024];
while(true)
{
int r = in.read(buf);
if(r <= 0)
return;
out.write(buf, 0, r);
}
}
}