Package org.opensaml.xmlsec.encryption.support

Class ChainingEncryptedKeyResolver.ChainingIterator

java.lang.Object

org.opensaml.xmlsec.encryption.support.ChainingEncryptedKeyResolver.ChainingIterator

All Implemented Interfaces:

Iterator<EncryptedKey>

Enclosing class:

ChainingEncryptedKeyResolver

public class ChainingEncryptedKeyResolver.ChainingIterator
extends Object
implements Iterator<EncryptedKey>

Implementation of Iterator to be (indirectly) returned by ChainingEncryptedKeyResolver.

Field Summary

Fields

Modifier and Type	Field	Description
private EncryptedKeyResolver	currentResolver	The current resolver which is returning encrypted keys.
private EncryptedData	encryptedData	The EncryptedData context for resolution.
private Iterator<EncryptedKey>	keyIterator	The iterator over EncryptedKey instances from the current resolver.
private org.slf4j.Logger	log	Class logger.
private EncryptedKey	nextKey	The next encrypted key that is safe to return.
private ChainingEncryptedKeyResolver	parent	The chaining encrypted key resolver which owns this instance.
private Iterator<EncryptedKeyResolver>	resolverIterator	The iterator over resolvers in the chain.

Constructor Summary

Constructors

Constructor	Description
ChainingIterator(ChainingEncryptedKeyResolver resolver, EncryptedData encData)	Constructor.

Method Summary

Modifier and Type	Method	Description
private EncryptedKey	getNextKey()	Get the next encrypted key that will be returned by this iterator.
private Iterator<EncryptedKey>	getNextKeyIterator()	Get the iterator from the next resolver in the chain.
boolean	hasNext()
EncryptedKey	next()
void	remove()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining

Field Detail

log

private final org.slf4j.Logger log

Class logger.

parent

private final ChainingEncryptedKeyResolver parent

The chaining encrypted key resolver which owns this instance.

encryptedData

private final EncryptedData encryptedData

The EncryptedData context for resolution.

resolverIterator

private final Iterator<EncryptedKeyResolver> resolverIterator

The iterator over resolvers in the chain.

keyIterator

private Iterator<EncryptedKey> keyIterator

The iterator over EncryptedKey instances from the current resolver.

currentResolver

private EncryptedKeyResolver currentResolver

The current resolver which is returning encrypted keys.

nextKey

private EncryptedKey nextKey

The next encrypted key that is safe to return.

Constructor Detail

ChainingIterator

public ChainingIterator(@Nonnull
                        ChainingEncryptedKeyResolver resolver,
                        @Nonnull
                        EncryptedData encData)

Constructor.

Parameters:

resolver - the ChainingEncryptedKeyResolver parent

encData - the EncryptedData context for resolution

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<EncryptedKey>

next

public EncryptedKey next()

Specified by:

next in interface Iterator<EncryptedKey>

remove

public void remove()

Specified by:

remove in interface Iterator<EncryptedKey>

getNextKeyIterator

@Nullable
private Iterator<EncryptedKey> getNextKeyIterator()

Get the iterator from the next resolver in the chain.

Returns:

an iterator of encrypted keys, or null if none remain

getNextKey

@Nullable
private EncryptedKey getNextKey()

Get the next encrypted key that will be returned by this iterator.

Returns:

the next encrypted key to return, or null if none remain