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gnu.crypto.keyring
Class Entry

java.lang.Object
 extended bygnu.crypto.keyring.Entry

Direct Known Subclasses:

EnvelopeEntry, PrimitiveEntry

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public abstract class Entry

extends java.lang.Object

An immutable class representing a single entry in a keyring.

Version:

$Revision: 1.2 $

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Field Summary
protected byte[]	payload This entry's payload.
protected Properties	properties This entry's property set.
protected int	type This entry's type identifier.

Constructor Summary
protected	Entry() Default constructor for use by subclasses.
protected	Entry(int type, Properties properties) Creates a new Entry.

Method Summary
protected void	defaultDecode(java.io.DataInputStream in) Generic decoding method, which simply decodes the properties field and reads the payload field.
void	encode(java.io.DataOutputStream out) This method is called when this entry needs to be written to an output stream.
protected abstract void	encodePayload() This method is called of subclasses when the payload data needs to be created.
byte[]	getPayload() Returns this entry's payload data, or null if
Properties	getProperties() Returns this entry's properties object.

Methods inherited from class java.lang.Object

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

Field Detail

type

protected int type

This entry's type identifier.

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properties

protected Properties properties

This entry's property set.

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payload

protected byte[] payload

This entry's payload.

Constructor Detail

Entry

protected Entry(int type,
 Properties properties)

Creates a new Entry.

Parameters:

type - This entry's type.

properties - This entry's properties.

Throws:

java.lang.IllegalArgumentException - If the properties argument is null, or if the type is out of range.

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Entry

protected Entry()

Default constructor for use by subclasses.

Method Detail

getProperties

public Properties getProperties()

Returns this entry's properties object. The properties are cloned before being returned.

Returns:

The properties.

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getPayload

public byte[] getPayload()

Returns this entry's payload data, or null if

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encode

public void encode(java.io.DataOutputStream out)
 throws java.io.IOException

This method is called when this entry needs to be written to an output stream.

Parameters:

out - The stream to write to.

Throws:

java.io.IOException - If an I/O exception occurs.

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defaultDecode

protected void defaultDecode(java.io.DataInputStream in)
 throws java.io.IOException

Generic decoding method, which simply decodes the properties field and reads the payload field.

Parameters:

in - The input data stream.

Throws:

java.io.IOException - If an I/O error occurs.

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encodePayload

protected abstract void encodePayload()
 throws java.io.IOException

This method is called of subclasses when the payload data needs to be created.

Throws:

java.io.IOException - If an encoding error occurs.

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