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Java lang extensions for java6+, a supplement to , replacement of a Guava, commons-lang. Core utilities, Collection utilities, IO utilities, Cache, Configuration library ...

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package com.jn.langx.util.comparator;

import com.jn.langx.util.Preconditions;

import java.io.Serializable;
import java.util.Comparator;

public class NonZeroComparator implements Comparator, Serializable {
    private static final long serialVersionUID = 1L;
    private Comparator delegate;

    public NonZeroComparator(Comparator comparator) {
        Preconditions.checkNotNull(comparator);
        this.delegate = comparator;
    }

    @Override
    public int compare(E o1, E o2) {
        int delta = delegate.compare(o1, o2);
        return delta == 0 ? 1 : delta;
    }
}