com.gargoylesoftware.htmlunit.javascript.host.html.LabelsHelper Maven / Gradle / Ivy
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XLT (Xceptance LoadTest) is an extensive load and performance test tool developed and maintained by Xceptance.
/*
* Copyright (c) 2002-2021 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 com.gargoylesoftware.htmlunit.javascript.host.html;
import java.util.ArrayList;
import java.util.List;
import com.gargoylesoftware.htmlunit.html.DomElement;
import com.gargoylesoftware.htmlunit.html.DomNode;
import com.gargoylesoftware.htmlunit.html.HtmlLabel;
import com.gargoylesoftware.htmlunit.javascript.host.dom.NodeList;
/**
* A helper class to implement {@code .labels} property.
*
* @author Ahmed Ashour
*
*/
class LabelsHelper extends NodeList {
/**
* Creates an instance.
*
* @param domeNode the {@link DomNode}
* @param description a text useful for debugging
*/
LabelsHelper(final DomElement domeNode) {
super(domeNode, false);
}
/**
* This is overridden instead of {@link #computeElements()} in order to prevent caching at all.
*
* {@inheritDoc}
*/
@Override
public List getElements() {
final List response = new ArrayList<>();
final DomElement domElement = (DomElement) getDomNodeOrDie();
for (DomNode parent = domElement.getParentNode(); parent != null; parent = parent.getParentNode()) {
if (parent instanceof HtmlLabel) {
response.add(parent);
}
}
final String id = domElement.getId();
if (id != DomElement.ATTRIBUTE_NOT_DEFINED) {
for (final DomElement label : domElement.getHtmlPageOrNull().getElementsByTagName("label")) {
if (id.equals(label.getAttributeDirect("for"))) {
response.add(label);
}
}
}
return response;
}
}