Class Checksum

java.lang.Object

ecmwf.common.checksum.Checksum

public abstract class Checksum
extends Object

The Class Checksum.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	Checksum.Algorithm	The Enum Algorithm.

Constructor Summary

Constructors

Constructor	Description
Checksum()

Method Summary

Modifier and Type	Method	Description
static Checksum.Algorithm	getAlgorithm(String name)	Gets the algorithm.
static Checksum	getChecksum(Checksum.Algorithm algorithm, InputStream in)	Gets the checksum.
static Checksum	getChecksum(Checksum.Algorithm algorithm, OutputStream out)	Gets the checksum.
static Checksum	getChecksum(String value, Checksum.Algorithm algorithm, InputStream in)	Gets the checksum.
static Checksum	getChecksum(String value, Checksum.Algorithm algorithm, OutputStream out)	Gets the checksum.
abstract InputStream	getInputStream()	Gets the input stream.
protected abstract InputStream	getNativeInputStream()	Gets the native input stream.
protected abstract OutputStream	getNativeOutputStream()	Gets the native output stream.
abstract OutputStream	getOutputStream()	Gets the output stream.
abstract String	getValue()	Gets the value.

Methods inherited from class java.lang.Object

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

Constructor Details

Checksum

public Checksum()

Method Details

getAlgorithm

public static Checksum.Algorithm getAlgorithm(String name)
                                       throws NoSuchAlgorithmException

Gets the algorithm.

Parameters:

name - the name

Returns:

the algorithm

Throws:

NoSuchAlgorithmException - the no such algorithm exception

getChecksum

public static Checksum getChecksum(Checksum.Algorithm algorithm,
 InputStream in)
                            throws NoSuchAlgorithmException

Gets the checksum.

Parameters:

algorithm - the algorithm

in - the in

Returns:

the checksum

Throws:

NoSuchAlgorithmException - the no such algorithm exception

getChecksum

public static Checksum getChecksum(Checksum.Algorithm algorithm,
 OutputStream out)
                            throws NoSuchAlgorithmException

Gets the checksum.

Parameters:

algorithm - the algorithm

out - the out

Returns:

the checksum

Throws:

NoSuchAlgorithmException - the no such algorithm exception

getChecksum

public static Checksum getChecksum(String value,
 Checksum.Algorithm algorithm,
 InputStream in)
                            throws NoSuchAlgorithmException

Gets the checksum.

Parameters:

value - the value

algorithm - the algorithm

in - the in

Returns:

the checksum

Throws:

NoSuchAlgorithmException - the no such algorithm exception

getChecksum

public static Checksum getChecksum(String value,
 Checksum.Algorithm algorithm,
 OutputStream out)
                            throws NoSuchAlgorithmException

Gets the checksum.

Parameters:

value - the value

algorithm - the algorithm

out - the out

Returns:

the checksum

Throws:

NoSuchAlgorithmException - the no such algorithm exception

getNativeInputStream

protected abstract InputStream getNativeInputStream()

Gets the native input stream.

Returns:

the native input stream

getInputStream

public abstract InputStream getInputStream()

Gets the input stream.

Returns:

the input stream

getNativeOutputStream

protected abstract OutputStream getNativeOutputStream()

Gets the native output stream.

Returns:

the native output stream

getOutputStream

public abstract OutputStream getOutputStream()

Gets the output stream.

Returns:

the output stream

getValue

public abstract String getValue()

Gets the value.

Returns:

the value