com.gargoylesoftware.htmlunit.activex.javascript.msxml.MSXMLScriptable 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.activex.javascript.msxml;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import com.gargoylesoftware.htmlunit.html.DomNode;
import com.gargoylesoftware.htmlunit.javascript.SimpleScriptable;
import net.sourceforge.htmlunit.corejs.javascript.Context;
import net.sourceforge.htmlunit.corejs.javascript.ScriptRuntime;
import net.sourceforge.htmlunit.corejs.javascript.Scriptable;
/**
* Base class for MSXML's (ActiveX) JavaScript host objects in HtmlUnit.
*
* @author Frank Danek
*/
public class MSXMLScriptable extends SimpleScriptable {
private static final Log LOG = LogFactory.getLog(MSXMLScriptable.class);
private MSXMLJavaScriptEnvironment environment_;
/**
* {@inheritDoc}
*/
@Override
public void setParentScope(final Scriptable m) {
super.setParentScope(m);
if (m instanceof MSXMLScriptable) {
setEnvironment(((MSXMLScriptable) m).getEnvironment());
}
}
/**
* Builds a new the JavaScript object that corresponds to the specified object.
* @param domNode the DOM node for which a JS object should be created
* @return the JavaScript object
*/
@Override
public SimpleScriptable makeScriptableFor(final DomNode domNode) {
// Get the JS class name for the specified DOM node.
// Walk up the inheritance chain if necessary.
Class javaScriptClass = null;
for (Class c = domNode.getClass(); javaScriptClass == null && c != null; c = c.getSuperclass()) {
javaScriptClass = getEnvironment().getJavaScriptClass(c);
}
final MSXMLScriptable scriptable;
if (javaScriptClass == null) {
// We don't have a specific subclass for this element so create something generic.
scriptable = new XMLDOMElement();
if (LOG.isDebugEnabled()) {
LOG.debug("No MSXML JavaScript class found for element <" + domNode.getNodeName()
+ ">. Using XMLDOMElement");
}
}
else {
try {
scriptable = javaScriptClass.newInstance();
}
catch (final Exception e) {
throw Context.throwAsScriptRuntimeEx(e);
}
}
initParentScope(domNode, scriptable);
scriptable.setPrototype(getPrototype(javaScriptClass));
scriptable.setDomNode(domNode);
scriptable.setEnvironment(getEnvironment());
return scriptable;
}
/**
* Gets the prototype object for the given host class.
* @param javaScriptClass the host class
* @return the prototype
*/
@Override
@SuppressWarnings("unchecked")
public Scriptable getPrototype(final Class javaScriptClass) {
final Scriptable prototype = getEnvironment().getPrototype(javaScriptClass);
if (prototype == null && javaScriptClass != SimpleScriptable.class) {
return getPrototype((Class) javaScriptClass.getSuperclass());
}
return prototype;
}
@Override
protected boolean isReadOnlySettable(final String name, final Object value) {
throw ScriptRuntime.typeErrorById("msg.set.prop.no.setter",
name, getClassName(), Context.toString(value));
}
/**
* {@inheritDoc}
*/
@Override
public String getClassName() {
return "Object";
}
/**
* @return the environment_
*/
public MSXMLJavaScriptEnvironment getEnvironment() {
return environment_;
}
/**
* @param environment the environment_ to set
*/
public void setEnvironment(final MSXMLJavaScriptEnvironment environment) {
environment_ = environment;
}
}