ch.ethz.iks.slp.impl
Class AuthenticatedURL

java.lang.Object
  ch.ethz.iks.slp.impl.AuthenticatedURL

Direct Known Subclasses:

ServiceURL

public abstract class AuthenticatedURL
extends Object

an authenticated URL block within an SLPMessage.

Since:

0.4

Author:

Jan S. Rellermeyer, Systems Group, ETH Zurich

Field Summary

protected ch.ethz.iks.slp.impl.AuthenticationBlock[]

authBlocks the auth blocks.

Constructor Summary

AuthenticatedURL()
create a new authenticated URL.

Method Summary

protected int	getAuthBlockLength()
protected static ch.ethz.iks.slp.impl.AuthenticationBlock[]	parseAuthBlock(DataInputStream input) parse the auth blocks.
protected void	sign(List spiList) sign the ServiceURL.
protected boolean	verify() verifies the authentication blocks of the ServiceURL.
protected void	writeAuthBlock(DataOutputStream out) get the authentication block bytes.

Methods inherited from class java.lang.Object

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

Field Detail

authBlocks

protected ch.ethz.iks.slp.impl.AuthenticationBlock[] authBlocks

the auth blocks.

Constructor Detail

AuthenticatedURL

public AuthenticatedURL()

create a new authenticated URL.

Method Detail

sign

protected final void sign(List spiList)
                   throws ServiceLocationException

sign the ServiceURL.

Parameters:

spiList - the List of SPIs

Throws:

ServiceLocationException - in case of IO errors.

verify

protected final boolean verify()
                        throws ServiceLocationException

verifies the authentication blocks of the ServiceURL.

Returns:

true if the verification succeeds.

Throws:

ServiceLocationException - in case of IO errors.

writeAuthBlock

protected void writeAuthBlock(DataOutputStream out)
                       throws IOException

get the authentication block bytes.

Throws:

IOException - in case of IO errors.

getAuthBlockLength

protected final int getAuthBlockLength()

parseAuthBlock

protected static final ch.ethz.iks.slp.impl.AuthenticationBlock[] parseAuthBlock(DataInputStream input)
                                                                          throws ServiceLocationException,
                                                                                 IOException

parse the auth blocks.

Parameters:

input - the data input.

Returns:

the auth blocks.

Throws:

ServiceLocationException - if something goes wrong.

IOException