org.htmlunit.javascript.host.html.HTMLMeterElement Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of xlt Show documentation
XLT (Xceptance LoadTest) is an extensive load and performance test tool developed and maintained by Xceptance.
There is a newer version: 8.4.1
/*
 * Copyright (c) 2002-2024 Gargoyle Software Inc.
 *
 * 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
 * https://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.htmlunit.javascript.host.html;

import static org.htmlunit.javascript.configuration.SupportedBrowser.CHROME;
import static org.htmlunit.javascript.configuration.SupportedBrowser.EDGE;
import static org.htmlunit.javascript.configuration.SupportedBrowser.FF;
import static org.htmlunit.javascript.configuration.SupportedBrowser.FF_ESR;

import org.htmlunit.html.DomElement;
import org.htmlunit.html.HtmlMeter;
import org.htmlunit.javascript.configuration.JsxClass;
import org.htmlunit.javascript.configuration.JsxConstructor;
import org.htmlunit.javascript.configuration.JsxGetter;
import org.htmlunit.javascript.host.dom.NodeList;

/**
 * The JavaScript object {@code HTMLMeterElement}.
 *
 * @author Marc Guillemot
 * @author Ronald Brill
 * @author Ahmed Ashour
 */
@JsxClass(domClass = HtmlMeter.class, value = {CHROME, EDGE, FF, FF_ESR})
public class HTMLMeterElement extends HTMLElement {

    /** "Live" labels collection; has to be a member to have equality (==) working. */
    private NodeList labels_;

    /**
     * Creates an instance.
     */
    public HTMLMeterElement() {
    }

    /**
     * JavaScript constructor.
     */
    @Override
    @JsxConstructor({CHROME, EDGE, FF, FF_ESR})
    public void jsConstructor() {
        super.jsConstructor();
    }

    /**
     * The getter for the "value" property.
     * @return the value
     */
    @JsxGetter
    @Override
    public Double getValue() {
        return getAttributeAsDouble(DomElement.VALUE_ATTRIBUTE, 0);
    }

    /**
     * The getter for the "min" property.
     * @return the value
     */
    @JsxGetter
    public double getMin() {
        return getAttributeAsDouble("min", 0);
    }

    /**
     * The getter for the "max" property.
     * @return the value
     */
    @JsxGetter
    public double getMax() {
        return getAttributeAsDouble("max", 1);
    }

    /**
     * The getter for the "low" property.
     * @return the value
     */
    @JsxGetter
    public double getLow() {
        final double val = getAttributeAsDouble("low", Double.MAX_VALUE);
        if (val == Double.MAX_VALUE) {
            return getMin();
        }
        return val;
    }

    /**
     * The getter for the "high" property.
     * @return the value
     */
    @JsxGetter
    public double getHigh() {
        final double val = getAttributeAsDouble("high", Double.MIN_VALUE);
        if (val == Double.MIN_VALUE) {
            return getMax();
        }
        return val;
    }

    /**
     * The getter for the "optimum" property.
     * @return the value
     */
    @JsxGetter
    public double getOptimum() {
        final double val = getAttributeAsDouble("optimum", Double.MAX_VALUE);
        if (val == Double.MAX_VALUE) {
            return getValue();
        }
        return val;
    }

    private double getAttributeAsDouble(final String attributeName, final double defaultValue) {
        try {
            return Double.parseDouble(getDomNodeOrDie().getAttribute(attributeName));
        }
        catch (final NumberFormatException e) {
            return defaultValue;
        }
    }

    /**
     * Returns the labels associated with the element.
     * @return the labels associated with the element
     */
    @JsxGetter({CHROME, EDGE, FF, FF_ESR})
    public NodeList getLabels() {
        if (labels_ == null) {
            labels_ = new LabelsNodeList(getDomNodeOrDie());
        }
        return labels_;
    }

}