org.freecompany.redline

Class Scanner

java.lang.Object

org.freecompany.redline.Scanner

public class Scanner
extends Object

The scanner reads an RPM file and outputs useful information about it's contents. The scanner will output the headers of the RPM format itself, as well as the individual headers for the particular packaged content. In addition, the scanner will scan through the payload and output information about each file contained in the embedded CPIO payload.

Constructor Summary

Constructors

Constructor and Description
Scanner()
Scanner(PrintStream out)

Method Summary

Methods

Modifier and Type	Method and Description
static void	main(String[] args) Scans a file and prints out useful information.
Format	run(ReadableChannelWrapper in) Reads the headers of an RPM and returns a description of it and it's format.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Scanner

public Scanner()

Scanner

public Scanner(PrintStream out)

Method Detail

main

public static void main(String[] args)
                 throws Exception

Scans a file and prints out useful information. This utility reads from standard input, and parses the binary contents of the RPM file.

Throws:

Exception - if an error occurs while reading the RPM file or it's contents

run

public Format run(ReadableChannelWrapper in)
           throws IOException

Reads the headers of an RPM and returns a description of it and it's format.

Parameters:

in - the channel wrapper to read input from

Returns:

information describing the RPM file

Throws:

Exception - if an error occurs reading the file

IOException