org.opensaml.security.credential.impl

Class AbstractChainingCredentialResolver.CredentialIterator

java.lang.Object

org.opensaml.security.credential.impl.AbstractChainingCredentialResolver.CredentialIterator

All Implemented Interfaces:

Iterator<Credential>

Enclosing class:

AbstractChainingCredentialResolver<ResolverType extends CredentialResolver>

public class AbstractChainingCredentialResolver.CredentialIterator
extends Object
implements Iterator<Credential>

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

Field Summary

Fields

Modifier and Type	Field and Description
private Iterator<Credential>	credentialIterator The iterator over Credential instances from the current resolver.
private CriteriaSet	critSet The criteria set on which to base resolution.
private CredentialResolver	currentResolver The current resolver which is returning credentials.
private org.slf4j.Logger	log Logger.
private Credential	nextCredential The next credential that is safe to return.
private AbstractChainingCredentialResolver<ResolverType>	parent The chaining credential resolver which owns this instance.
private Iterator<ResolverType>	resolverIterator The iterator over resolvers in the chain.

Constructor Summary

Constructors

Constructor and Description
CredentialIterator(AbstractChainingCredentialResolver<ResolverType> resolver, CriteriaSet criteriaSet) Constructor.

Method Summary

Modifier and Type	Method and Description
private Credential	getNextCredential() Get the next credential that will be returned by this iterator.
private Iterator<Credential>	getNextCredentialIterator() Get the iterator from the next resolver in the chain.
boolean	hasNext()
Credential	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

@Nonnull
private final org.slf4j.Logger log

Logger.

parent

private AbstractChainingCredentialResolver<ResolverType extends CredentialResolver> parent

The chaining credential resolver which owns this instance.

critSet

private CriteriaSet critSet

The criteria set on which to base resolution.

resolverIterator

private Iterator<ResolverType extends CredentialResolver> resolverIterator

The iterator over resolvers in the chain.

credentialIterator

private Iterator<Credential> credentialIterator

The iterator over Credential instances from the current resolver.

currentResolver

private CredentialResolver currentResolver

The current resolver which is returning credentials.

nextCredential

private Credential nextCredential

The next credential that is safe to return.

Constructor Detail

CredentialIterator

public CredentialIterator(@Nonnull
                          AbstractChainingCredentialResolver<ResolverType> resolver,
                          @Nullable
                          CriteriaSet criteriaSet)

Constructor.

Parameters:

resolver - the chaining parent of this iterable

criteriaSet - the set of criteria which is input to the underyling resolvers

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<Credential>

next

public Credential next()

Specified by:

next in interface Iterator<Credential>

remove

public void remove()

Specified by:

remove in interface Iterator<Credential>

getNextCredentialIterator

@Nullable
private Iterator<Credential> getNextCredentialIterator()

Get the iterator from the next resolver in the chain.

Returns:

an iterator of credentials, or null if none is available

getNextCredential

@Nullable
private Credential getNextCredential()

Get the next credential that will be returned by this iterator.

Returns:

the next credential to return, or null if none is available