com.gargoylesoftware.htmlunit.svg.SvgElementFactory 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.svg;
import static com.gargoylesoftware.htmlunit.BrowserVersionFeatures.SVG_UNKNOWN_ARE_DOM;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.Locale;
import java.util.Map;
import org.xml.sax.Attributes;
import com.gargoylesoftware.htmlunit.SgmlPage;
import com.gargoylesoftware.htmlunit.html.DomAttr;
import com.gargoylesoftware.htmlunit.html.DomElement;
import com.gargoylesoftware.htmlunit.html.ElementFactory;
/**
* Element factory which creates elements by calling the constructor on a
* given {@link com.gargoylesoftware.htmlunit.svg.SvgElement} subclass.
*
* @author Ahmed Ashour
* @author Frank Danek
* @author Ronald Brill
*/
public class SvgElementFactory implements ElementFactory {
private static Class[] CLASSES_ = {SvgAltGlyph.class, SvgAltGlyphDef.class, SvgAltGlyphItem.class,
SvgAnchor.class, SvgAnimate.class, SvgAnimateColor.class, SvgAnimateMotion.class, SvgAnimateTransform.class,
SvgCircle.class, SvgClipPath.class, SvgColorProfile.class, SvgCursor.class, SvgDefs.class, SvgDesc.class,
SvgEllipse.class, SvgFeBlend.class, SvgFeColorMatrix.class, SvgFeComponentTransfer.class,
SvgFeComposite.class, SvgFeConvolveMatrix.class, SvgFeDiffuseLighting.class, SvgFeDisplacementMap.class,
SvgFeDistantLight.class, SvgFeFlood.class, SvgFeFuncA.class, SvgFeFuncB.class, SvgFeFuncG.class,
SvgFeFuncR.class, SvgFeGaussianBlur.class, SvgFeImage.class, SvgFeMerge.class, SvgFeMergeNode.class,
SvgFeMorphology.class, SvgFeOffset.class, SvgFePointLight.class, SvgFeSpecularLighting.class,
SvgFeSpotLight.class, SvgFeTile.class, SvgFeTurbulence.class, SvgFilter.class, SvgFont.class,
SvgFontFace.class, SvgFontFaceFormat.class, SvgFontFaceName.class, SvgFontFaceSrc.class,
SvgFontFaceURI.class, SvgForeignObject.class, SvgGlyph.class, SvgGlyphRef.class, SvgGroup.class,
SvgHKern.class, SvgImage.class, SvgLine.class, SvgLinearGradient.class, SvgMarker.class, SvgMask.class,
SvgMetadata.class, SvgMissingGlyph.class, SvgMPath.class, SvgPath.class, SvgPattern.class, SvgPolygon.class,
SvgPolyline.class, SvgRadialGradient.class, SvgRect.class, SvgScript.class, SvgSet.class, SvgStop.class,
SvgStyle.class, SvgSwitch.class, SvgSymbol.class, SvgText.class, SvgTextPath.class,
SvgTitle.class, SvgTRef.class, SvgTSpan.class, SvgUse.class, SvgView.class, SvgVKern.class
};
private static Map> ELEMENTS_ = new HashMap<>();
static {
try {
for (final Class klass : CLASSES_) {
ELEMENTS_.put(klass.getField("TAG_NAME").get(null).toString().toLowerCase(Locale.ROOT), klass);
}
}
catch (final Exception e) {
throw new IllegalStateException(e);
}
}
/**
* {@inheritDoc}
*/
@Override
public DomElement createElement(final SgmlPage page, final String tagName, final Attributes attributes) {
throw new IllegalStateException("SVG.createElement not yet implemented!");
}
/**
* {@inheritDoc}
*/
@Override
public DomElement createElementNS(final SgmlPage page, final String namespaceURI, final String qualifiedName,
final Attributes attributes) {
return createElementNS(page, namespaceURI, qualifiedName, attributes, false);
}
/**
* {@inheritDoc}
*/
@Override
public DomElement createElementNS(final SgmlPage page, final String namespaceURI, String qualifiedNameLC,
final Attributes attributes, final boolean checkBrowserCompatibility) {
final Map attributeMap = toMap(page, attributes);
qualifiedNameLC = qualifiedNameLC.toLowerCase(Locale.ROOT);
String tagNameLC = qualifiedNameLC;
if (tagNameLC.indexOf(':') != -1) {
tagNameLC = tagNameLC.substring(tagNameLC.indexOf(':') + 1);
}
DomElement element = null;
final Class klass = ELEMENTS_.get(tagNameLC);
if (klass != null) {
try {
element = (DomElement) klass.getDeclaredConstructors()[0]
.newInstance(namespaceURI, qualifiedNameLC, page, attributeMap);
}
catch (final Exception e) {
throw new IllegalStateException(e);
}
}
if (element == null) {
if (page.getWebClient().getBrowserVersion().hasFeature(SVG_UNKNOWN_ARE_DOM)) {
element = new DomElement(namespaceURI, qualifiedNameLC, page, attributeMap);
}
else {
element = new SvgElement(namespaceURI, qualifiedNameLC, page, attributeMap);
}
}
return element;
}
private static Map toMap(final SgmlPage page, final Attributes attributes) {
Map attributeMap = null;
if (attributes != null) {
attributeMap = new LinkedHashMap<>(attributes.getLength());
for (int i = 0; i < attributes.getLength(); i++) {
final String qName = attributes.getQName(i);
// browsers consider only first attribute (ex: ...)
if (!attributeMap.containsKey(qName)) {
String namespaceURI = attributes.getURI(i);
if (namespaceURI != null && namespaceURI.isEmpty()) {
namespaceURI = null;
}
final DomAttr newAttr = new DomAttr(page, namespaceURI, qName, attributes.getValue(i), true);
attributeMap.put(qName, newAttr);
}
}
}
return attributeMap;
}
/**
* Returns whether the specified name is a valid SVG tag name.
* @param tagNameLowerCase the tag name in lower case
* @return whether the specified name is a valid SVG tag name or not
*/
public boolean isSupported(final String tagNameLowerCase) {
return ELEMENTS_.containsKey(tagNameLowerCase);
}
}