com.jidesoft.range.StringRange Maven / Gradle / Ivy

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/*
 * @(#)StringRange.java 5/27/2014
 *
 * Copyright 2002 - 2014 JIDE Software Inc. All rights reserved.
 */

package com.jidesoft.range;

public class StringRange extends AbstractRange {
    private String _lower;
    private String _upper;

    public StringRange(String lower, String upper) {
        adjust(lower, upper);
    }

    @Override
    public Range createIntermediate(Range targetRange, double position) {
        return null;
    }

    @Override
    public String lower() {
        return _lower;
    }

    @Override
    public String upper() {
        return _lower;
    }

    @Override
    public void adjust(String lower, String upper) {
        setMin(lower);
        setMax(upper);
    }

    protected void setMin(String lower) {
        String old = _lower;
        _lower = lower;
        firePropertyChange(PROPERTY_MIN, old, _lower);
    }

    protected void setMax(String upper) {
        String old = _upper;
        _upper = upper;
        firePropertyChange(PROPERTY_MAX, old, _upper);
    }

    @Override
    public double minimum() {
        throw new UnsupportedOperationException("minimum() is not implemented in StringRange");
    }

    @Override
    public double maximum() {
        throw new UnsupportedOperationException("maximum() is not implemented in StringRange");
    }

    @Override
    public double size() {
        return _lower.compareTo(_upper);
    }

    @Override
    public boolean contains(String x) {
        if (x == null) {
            return false;
        }
        return x.compareTo(lower()) >= 0 && x.compareTo(upper()) <= 0;
    }

    @Override
    public String toString() {
        return "StringRange{" +
                "lower='" + _lower + '\'' +
                ", upper='" + _upper + '\'' +
                '}';
    }
}