Examples with ListIterator java.util.ListIterator used on opensource projects

Example 46 with ListIterator

use of java.util.ListIterator in project Lucee by lucee.

the class GatewayUtil method toCFML.

public static Object toCFML(List list) {
    ListIterator it = list.listIterator();
    int index;
    while (it.hasNext()) {
        index = it.nextIndex();
        list.set(index, toCFML(it.next()));
    }
    return list;
}

Example 47 with ListIterator

use of java.util.ListIterator in project jPOS by jpos.

the class ISOMultiFieldPackager method unpack.

/**
 * @param m      - the ISOComponent to receive the value consumed from ...
 * @param b      - the byte[] holding the raw message
 * @param offset - the current position within b.
 */
public int unpack(ISOComponent m, byte[] b, int offset) throws ISOException {
    ListIterator i = possibles.listIterator();
    while (i.hasNext()) {
        try {
            current = (ISOFieldPackager) i.next();
            ISOField f = new ISOField();
            int consumed = current.unpack(f, b, offset);
            m.setValue(f.getValue());
            return consumed;
        } catch (ISOException eok) {
            current = null;
        }
    }
    throw new ISOException("unpack failed in List process!");
}

Example 48 with ListIterator

use of java.util.ListIterator in project jPOS by jpos.

the class ISOMultiFieldPackager method unpack.

/**
 * Unpack the passed InputStream into an ISOComponent from our list of possibles.
 * The InputStream *must* support mark!
 */
public void unpack(ISOComponent c, InputStream in) throws IOException, ISOException {
    if (!in.markSupported()) {
        throw new ISOException("InputStream passed to ISOMultFieldPackager *must* support the mark method.");
    }
    ListIterator i = possibles.listIterator();
    // Save our position in the InputStream
    in.mark(1024);
    while (i.hasNext()) {
        in.reset();
        try {
            // One of our possibles will succeed in it's unpack from this Stream.
            current = (ISOFieldPackager) i.next();
            current.unpack(c, in);
            return;
        } catch (ISOException eok) {
            // This one failed.
            current = null;
        } catch (IOException eok) {
            // This one failed.
            current = null;
        }
    }
    throw new ISOException("unpack failed to find a match in the possible List!");
}

Example 49 with ListIterator

use of java.util.ListIterator in project vcell by virtualcell.

the class ArrayUtils method iteratorBinarySearch.

private static int iteratorBinarySearch(List list, Object key) {
    int low = 0;
    int high = list.size() - 1;
    ListIterator i = list.listIterator();
    while (low <= high) {
        int mid = (low + high) >> 1;
        Object midVal = get(i, mid);
        int cmp = ((Comparable) midVal).compareTo(key);
        if (cmp < 0)
            low = mid + 1;
        else if (cmp > 0)
            high = mid - 1;
        else
            // key found
            return mid;
    }
    // key not found
    return -(low + 1);
}

Example 50 with ListIterator

use of java.util.ListIterator in project vcell by virtualcell.

the class ListPolynomial method subtract.

public Polynomial subtract(Polynomial polynomial) {
    if (polynomial.signum() == 0)
        return this;
    if (mutable) {
        ListPolynomial q = (ListPolynomial) polynomial;
        ListIterator it1 = content.listIterator(content.size());
        ListIterator it2 = q.content.listIterator(q.content.size());
        Term t1 = it1.hasPrevious() ? (Term) it1.previous() : null;
        Term t2 = it2.hasPrevious() ? (Term) it2.previous() : null;
        while (t2 != null) {
            int c = t1 == null ? 1 : (t2 == null ? -1 : -ordering.compare(t1.monomial(), t2.monomial()));
            if (c < 0) {
                t1 = it1.hasPrevious() ? (Term) it1.previous() : null;
            } else {
                if (c > 0) {
                    if (t1 != null)
                        it1.next();
                    it1.add(t2.negate());
                } else {
                    Term t = t1.subtract(t2);
                    if (t.signum() == 0)
                        it1.remove();
                    else
                        it1.set(t);
                }
                t1 = it1.hasPrevious() ? (Term) it1.previous() : null;
                t2 = it2.hasPrevious() ? (Term) it2.previous() : null;
            }
        }
        degree = degree(this);
        sugar = Math.max(sugar, q.sugar);
        normalized = false;
        return this;
    } else
        return copy().subtract(polynomial);
}