org.maestro.contrib.utils.digest

Class Sha1Digest

java.lang.Object

org.maestro.contrib.utils.digest.Sha1Digest

All Implemented Interfaces:

MessageDigest

public class Sha1Digest
extends Object
implements MessageDigest

Constructor Summary

Constructors

Constructor and Description
Sha1Digest()

Method Summary

Modifier and Type	Method and Description
String	calculate(File file) Calculates the message digest for a input stream
String	calculate(InputStream inputStream) Calculates the message digest for a input stream
String	calculate(String path) Calculates the message digest for a input stream
void	save(String source) Saves the message digest for the source file
boolean	verify(String source) Verify the message digest for a file
boolean	verify(String source, String digest) Verify the message digest for a file

Methods inherited from class java.lang.Object

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

Constructor Detail

Sha1Digest

public Sha1Digest()

Method Detail

calculate

public String calculate(InputStream inputStream)
                 throws IOException

Description copied from interface: MessageDigest

Calculates the message digest for a input stream

Specified by:

calculate in interface MessageDigest

Parameters:

inputStream - The input stream

Returns:

The hexadecimal representation of the message digest

Throws:

IOException - If unable to read from the input stream

calculate

public String calculate(File file)
                 throws IOException

Description copied from interface: MessageDigest

Calculates the message digest for a input stream

Specified by:

calculate in interface MessageDigest

Parameters:

file - input file to calculate the message stream

Returns:

The hexadecimal representation of the message digest

Throws:

IOException - If unable to read the file (ie.: not found)

calculate

public String calculate(String path)
                 throws IOException

Description copied from interface: MessageDigest

Calculates the message digest for a input stream

Specified by:

calculate in interface MessageDigest

Parameters:

path - The path to the file to calculate the digest

Returns:

The hexadecimal representation of the message digest

Throws:

IOException - If unable to read the file or if unable to read from the input stream

verify

public boolean verify(String source)
               throws IOException

Description copied from interface: MessageDigest

Verify the message digest for a file

Specified by:

verify in interface MessageDigest

Parameters:

source - The (path to the) source file

Returns:

true if it matches or false otherwise

Throws:

IOException - on I/O errors

verify

public boolean verify(String source,
                      String digest)
               throws IOException

Description copied from interface: MessageDigest

Verify the message digest for a file

Specified by:

verify in interface MessageDigest

Parameters:

source - The (path to the) source file

digest - The message digest to verify against

Returns:

true if it matches or false otherwise

Throws:

IOException - If unable to read the file or if unable to read from the input stream

save

public void save(String source)
          throws IOException

Description copied from interface: MessageDigest

Saves the message digest for the source file

Specified by:

save in interface MessageDigest

Parameters:

source - the (path to the) source file

Throws:

IOException - If unable to read the file or if unable to read from the input stream