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

Field Summary

Fields

Modifier and Type	Field and Description
static String	HASH_NAME

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

Field Detail

HASH_NAME

public static final String HASH_NAME

See Also:

Constant Field Values

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