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This artifact provides a single jar that contains all classes required to use remote EJB and JMS, including all dependencies. It is intended for use by those not using maven, maven users should just import the EJB and JMS BOM's instead (shaded JAR's cause lots of problems with maven, as it is very easy to inadvertently end up with different versions on classes on the class path).

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/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2017 Red Hat, Inc., and individual contributors
 * as indicated by the @author tags.
 *
 * Licensed 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
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * 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.wildfly.common.iteration;

import java.util.NoSuchElementException;
import java.util.function.IntPredicate;

/**
 */
final class SkippingCodePointIterator extends CodePointIterator {
    private final CodePointIterator iter;
    private final IntPredicate predicate;

    SkippingCodePointIterator(final CodePointIterator iter, final IntPredicate predicate) {
        this.iter = iter;
        this.predicate = predicate;
    }

    public boolean hasNext() {
        return iter.hasNext() && ! skip(peekNext());
    }

    public boolean hasPrevious() {
        return iter.hasPrevious() && ! skip(peekPrevious());
    }

    public int next() {
        if (! hasNext()) {
            throw new NoSuchElementException();
        }

        return iter.next();
    }

    public int peekNext() throws NoSuchElementException {
        if (! iter.hasNext()) {
            throw new NoSuchElementException();
        }

        int next = seekNext(iter.peekNext());

        if (! skip(next)) {
            return next;
        }

        return next;
    }

    private int seekNext(int next) throws NoSuchElementException {
        if (! iter.hasNext()) {
            return next;
        }

        next = iter.next();

        if (skip(next)) {
            return seekNext(next);
        }

        iter.previous();

        return next;
    }

    public int previous() {
        if (! hasPrevious()) {
            throw new NoSuchElementException();
        }

        return iter.previous();
    }

    public int peekPrevious() throws NoSuchElementException {
        if (! iter.hasPrevious()) {
            throw new NoSuchElementException();
        }

        int prev = seekPrev(iter.peekPrevious());

        if (! skip(prev)) {
            return prev;
        }

        return prev;
    }

    private int seekPrev(int prev) throws NoSuchElementException {
        if (! iter.hasPrevious()) {
            return prev;
        }

        prev = iter.previous();

        if (skip(prev)) {
            return seekPrev(prev);
        }

        iter.next();

        return prev;
    }

    public long getIndex() {
        return iter.getIndex();
    }

    private boolean skip(int c) {
        return predicate.test(c);
    }
}