org.opensaml.xmlsec.encryption.support

Class ChainingEncryptedKeyResolver.ChainingIterator

java.lang.Object

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

All Implemented Interfaces:

java.util.Iterator<EncryptedKey>

Enclosing class:

ChainingEncryptedKeyResolver

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

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

Field Summary

Fields

Modifier and Type	Field and Description
private EncryptedKeyResolver	currentResolver The current resolver which is returning encrypted keys.
private EncryptedData	encryptedData The EncryptedData context for resolution.
private java.util.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 java.util.Iterator<EncryptedKeyResolver>	resolverIterator The iterator over resolvers in the chain.

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and Description
private EncryptedKey	getNextKey() Get the next encrypted key that will be returned by this iterator.
private java.util.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 java.util.Iterator<EncryptedKeyResolver> resolverIterator

The iterator over resolvers in the chain.

keyIterator

private java.util.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 java.util.Iterator<EncryptedKey>

next

public EncryptedKey next()

Specified by:

next in interface java.util.Iterator<EncryptedKey>

remove

public void remove()

Specified by:

remove in interface java.util.Iterator<EncryptedKey>

getNextKeyIterator

@Nullable
private java.util.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