/**
* Licensed to Apereo under one or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information regarding copyright ownership. Apereo
* licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use
* this file except in compliance with the License. You may obtain a copy of the License at the
* following location:
*
* <p>http://www.apache.org/licenses/LICENSE-2.0
*
* <p>Unless required by applicable law or agreed to in writing, software distributed under the
* License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
* express or implied. See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apereo.portal.character.stream;
import java.util.List;
import java.util.ListIterator;
import org.apereo.portal.character.stream.events.CharacterEvent;
/**
* Creates a {@link CharacterEventReader} that wraps a {@link List} of {@link CharacterEvent}s
*
*/
public class CharacterEventBufferReader implements CharacterEventReader {
private final ListIterator<CharacterEvent> eventBuffer;
public CharacterEventBufferReader(ListIterator<CharacterEvent> eventBuffer) {
this.eventBuffer = eventBuffer;
}
@Override
public void close() {
//NO-OP
}
@Override
public CharacterEvent peek() {
final CharacterEvent event = this.eventBuffer.next();
//Step back by one in the list
this.eventBuffer.previous();
return event;
}
@Override
public boolean hasNext() {
return this.eventBuffer.hasNext();
}
@Override
public CharacterEvent next() {
return this.eventBuffer.next();
}
@Override
public void remove() {
this.eventBuffer.remove();
}
}