Package org.savantbuild.security

Class MD5Tools

java.lang.Object

org.savantbuild.security.MD5Tools

public class MD5Tools
extends Object

This class provides some common IO tools.

Constructor Summary

Constructors

Constructor	Description
MD5Tools()

Method Summary

Modifier and Type	Method	Description
static MD5	write(InputStream is, OutputStream os, MD5 md5)	Reads from the given input stream and writes the contents out to the given OutputStream.

Methods inherited from class java.lang.Object

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

Constructor Details

MD5Tools

public MD5Tools()

Method Details

write

public static MD5 write(InputStream is,
 OutputStream os,
 MD5 md5)
                 throws IOException

Reads from the given input stream and writes the contents out to the given OutputStream. During the write, the MD5 sum from input stream is calculated and compared with the given MD5 sum. This does not close the InputStream but DOES close the OutputStream so that the data gets flushed out correctly.

Parameters:

is - The InputStream to read from. This InputStream is wrapped in a BufferedInputStream for performance.

os - The OutputStream to write to.

md5 - (Optional) The MD5 sum to check against.

Returns:

The MD5 checksum of the file that was written out. This helps in case the caller needs the sum and the parameter is not given.

Throws:

IOException - If the output operation fails.

MD5Exception - If the MD5 check failed.