63 lines
1.8 KiB
Java
63 lines
1.8 KiB
Java
/*
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* This file is part of Applied Energistics 2.
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* Copyright (c) 2013 - 2015, AlgorithmX2, All rights reserved.
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*
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* Applied Energistics 2 is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Applied Energistics 2 is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with Applied Energistics 2. If not, see <http://www.gnu.org/licenses/lgpl>.
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*/
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package appeng.util.item;
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import java.util.Iterator;
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import java.util.NoSuchElementException;
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import appeng.api.storage.data.IAEStack;
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public class MeaningfulFluidIterator<T extends IAEStack> implements Iterator<T> {
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private final Iterator<T> parent;
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private T next;
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public MeaningfulFluidIterator(final Iterator<T> iterator) {
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this.parent = iterator;
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}
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@Override
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public boolean hasNext() {
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while (this.parent.hasNext()) {
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this.next = this.parent.next();
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if (this.next.isMeaningful()) {
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return true;
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} else {
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this.parent.remove(); // self cleaning :3
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}
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}
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this.next = null;
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return false;
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}
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@Override
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public T next() {
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if (this.next == null) {
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throw new NoSuchElementException();
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}
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return this.next;
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}
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@Override
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public void remove() {
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this.parent.remove();
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}
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}
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