/**
* Loads an XML document using the supplied string.
*
* @param strXML A string containing the XML string to load into this XML document object This
* string can contain an entire XML document or a well-formed fragment.
* @return true if the load succeeded; false if the load failed
*/
public boolean jsxFunction_loadXML(final String strXML) {
try {
final WebWindow webWindow = getWindow().getWebWindow();
// determine the charset of the page
String charset = TextUtil.DEFAULT_CHARSET;
final SgmlPage sgmlPage = (SgmlPage) webWindow.getEnclosedPage();
if (sgmlPage != null) {
final String contentCharset = sgmlPage.getWebResponse().getContentCharset();
if (contentCharset != null) {
charset = contentCharset;
}
}
// build a dummy WebResponse
List<NameValuePair> headers = Collections.emptyList();
final WebResponseData data =
new WebResponseData(
TextUtil.stringToByteArray(strXML, charset), HttpStatus.SC_OK, null, headers);
final URL hackUrl =
new URL("http://-htmlunit-internal/XMLDocument.loadXML"); // hack! better solution?
final WebResponse webResponse = new WebResponse(data, hackUrl, (HttpMethod) null, 0);
webResponse.getWebRequest().setCharset(charset);
final XmlPage page = new XmlPage(webResponse, webWindow);
setDomNode(page);
return true;
} catch (final IOException e) {
if (LOG.isDebugEnabled()) {
LOG.debug("Error parsing XML\n" + strXML, e);
}
return false;
}
}
/**
* Indicates if script execution is necessary and/or possible.
*
* @return <code>true</code> if the script should be executed
*/
private boolean isExecutionNeeded() {
final SgmlPage page = getPage();
if (!isDirectlyAttachedToPage()) {
return false;
}
// If JavaScript is disabled, we don't need to execute.
if (!page.getWebClient().isJavaScriptEnabled()) {
return false;
}
// If innerHTML or outerHTML is being parsed
if (page instanceof HtmlPage && ((HtmlPage) page).isParsingHtmlSnippet()) {
return false;
}
// If the script node is nested in an iframe, a noframes, or a noscript node, we don't need to
// execute.
for (DomNode o = this; o != null; o = o.getParentNode()) {
if (o instanceof HtmlInlineFrame || o instanceof HtmlNoFrames) {
return false;
}
}
// If the underlying page no longer owns its window, the client has moved on (possibly
// because another script set window.location.href), and we don't need to execute.
if (page.getEnclosingWindow() != null && page.getEnclosingWindow().getEnclosedPage() != page) {
return false;
}
// If the script language is not JavaScript, we can't execute.
if (!isJavaScript(getTypeAttribute(), getLanguageAttribute())) {
final String t = getTypeAttribute();
final String l = getLanguageAttribute();
LOG.warn(
"Script is not JavaScript (type: " + t + ", language: " + l + "). Skipping execution.");
return false;
}
// If the script's root ancestor node is not the page, the the script is not a part of the page.
// If it isn't yet part of the page, don't execute the script; it's probably just being cloned.
DomNode root = this;
while (root.getParentNode() != null) {
root = root.getParentNode();
}
if (root != getPage()) {
return false;
}
return true;
}
/**
* Applies the specified XPath expression to this node's context and returns the generated list of
* matching nodes.
*
* @param expression a string specifying an XPath expression
* @return list of the found elements
*/
public HTMLCollection jsxFunction_selectNodes(final String expression) {
final boolean attributeChangeSensitive = expression.contains("@");
final String description = "XMLDocument.selectNodes('" + expression + "')";
final SgmlPage page = getPage();
final HTMLCollection collection =
new HTMLCollection(page.getDocumentElement(), attributeChangeSensitive, description) {
protected List<Object> computeElements() {
final List<Object> list = new ArrayList<Object>(page.getByXPath(expression));
return list;
};
};
return collection;
}
/**
* Creates an instance.
*
* @param namespaceURI the URI that identifies an XML namespace
* @param qualifiedName the qualified name of the element type to instantiate
* @param page the page that contains this element
* @param attributes the initial attributes
*/
HtmlFileInput(
final String namespaceURI,
final String qualifiedName,
final SgmlPage page,
final Map<String, DomAttr> attributes) {
super(namespaceURI, qualifiedName, page, attributes);
setAttribute("value", "");
if (page.getWebClient()
.getBrowserVersion()
.hasFeature(BrowserVersionFeatures.FILEINPUT_EMPTY_DEFAULT_VALUE)) {
setDefaultValue("");
}
}
/**
* Sets a value which indicates whether or not the document can be edited.
*
* @param mode a value which indicates whether or not the document can be edited
*/
@JsxSetter
public void setDesignMode(final String mode) {
final boolean inherit = getBrowserVersion().hasFeature(JS_DOCUMENT_DESIGN_MODE_INHERIT);
if (inherit) {
if (!"on".equalsIgnoreCase(mode)
&& !"off".equalsIgnoreCase(mode)
&& !"inherit".equalsIgnoreCase(mode)) {
throw Context.reportRuntimeError("Invalid document.designMode value '" + mode + "'.");
}
if (!(getWindow().getWebWindow() instanceof FrameWindow)
&& getBrowserVersion().hasFeature(JS_DOCUMENT_DESIGN_MODE_ONLY_FOR_FRAMES)) {
// IE evaluates all designMode changes for documents that aren't in frames as Off
designMode_ = "off";
} else if ("on".equalsIgnoreCase(mode)) {
designMode_ = "on";
} else if ("off".equalsIgnoreCase(mode)) {
designMode_ = "off";
} else if ("inherit".equalsIgnoreCase(mode)) {
designMode_ = "inherit";
}
if (getBrowserVersion().hasFeature(JS_DOCUMENT_DESIGN_MODE_CAPITAL_FIRST)) {
designMode_ = StringUtils.capitalize(designMode_);
}
} else {
if ("on".equalsIgnoreCase(mode)) {
designMode_ = "on";
final SgmlPage page = getPage();
if (page != null && page.isHtmlPage()) {
final HtmlPage htmlPage = (HtmlPage) page;
final DomNode child = htmlPage.getBody().getFirstChild();
final DomNode rangeNode = child == null ? htmlPage.getBody() : child;
htmlPage.setSelectionRange(new SimpleRange(rangeNode, 0));
}
} else if ("off".equalsIgnoreCase(mode)) {
designMode_ = "off";
}
}
}
/**
* Add missing attribute if needed by fixing attribute map rather to add it afterwards as this
* second option triggers the instantiation of the script object at a time where the DOM node has
* not yet been added to its parent.
*/
private static Map<String, DomAttr> addValueIfNeeded(
final SgmlPage page, final Map<String, DomAttr> attributes) {
final BrowserVersion browserVersion = page.getWebClient().getBrowserVersion();
if (browserVersion.hasFeature(RESETINPUT_DEFAULT_VALUE_IF_VALUE_NOT_DEFINED)) {
for (final String key : attributes.keySet()) {
if ("value".equalsIgnoreCase(key)) {
return attributes; // value attribute was specified
}
}
// value attribute was not specified, add it
final DomAttr newAttr = new DomAttr(page, null, "value", DEFAULT_VALUE, true);
attributes.put("value", newAttr);
}
return attributes;
}
/**
* Create a new HTML element with the given tag name.
*
* @param tagName the tag name
* @return the new HTML element, or NOT_FOUND if the tag is not supported
*/
@JsxFunction
public Object createElement(String tagName) {
Object result = NOT_FOUND;
try {
final BrowserVersion browserVersion = getBrowserVersion();
// FF3.6 supports document.createElement('div') or supports document.createElement('<div>')
// but not document.createElement('<div name="test">')
// IE9- supports also document.createElement('<div name="test">')
// FF4+ and IE11 don't support document.createElement('<div>')
if (browserVersion.hasFeature(BrowserVersionFeatures.JS_DOCUMENT_CREATE_ELEMENT_STRICT)
&& (tagName.contains("<") || tagName.contains(">"))) {
LOG.info(
"createElement: Provided string '"
+ tagName
+ "' contains an invalid character; '<' and '>' are not allowed");
throw Context.reportRuntimeError("String contains an invalid character");
} else if (!browserVersion.hasFeature(JS_DOCUMENT_CREATE_ELEMENT_EXTENDED_SYNTAX)
&& tagName.startsWith("<")
&& tagName.endsWith(">")) {
tagName = tagName.substring(1, tagName.length() - 1);
final Matcher matcher = TAG_NAME_PATTERN.matcher(tagName);
if (!matcher.matches()) {
LOG.info(
"createElement: Provided string '" + tagName + "' contains an invalid character");
throw Context.reportRuntimeError("String contains an invalid character");
}
}
final SgmlPage page = getPage();
final org.w3c.dom.Node element;
if ("comment".equalsIgnoreCase(tagName)
&& browserVersion.hasFeature(JS_DOCUMENT_CREATE_ELEMENT_COMMENT)) {
element = new DomComment(page, "");
} else {
element = page.createElement(tagName);
if (element instanceof BaseFrameElement) {
((BaseFrameElement) element).markAsCreatedByJavascript();
} else if (element instanceof HtmlInput) {
((HtmlInput) element).markAsCreatedByJavascript();
} else if (element instanceof HtmlImage) {
((HtmlImage) element).markAsCreatedByJavascript();
} else if (element instanceof HtmlKeygen) {
((HtmlKeygen) element).markAsCreatedByJavascript();
} else if (element instanceof HtmlRp) {
((HtmlRp) element).markAsCreatedByJavascript();
} else if (element instanceof HtmlRt) {
((HtmlRt) element).markAsCreatedByJavascript();
} else if (element instanceof HtmlUnknownElement) {
((HtmlUnknownElement) element).markAsCreatedByJavascript();
}
}
final Object jsElement;
if ("event".equalsIgnoreCase(tagName)
&& browserVersion.hasFeature(JS_DOCUMENT_CREATE_ELEMENT_COMMENT)) {
jsElement = new SimpleScriptable();
((SimpleScriptable) jsElement).setClassName("Object");
((SimpleScriptable) jsElement).setParentScope(window_);
} else {
jsElement = getScriptableFor(element);
}
if (jsElement == NOT_FOUND) {
if (LOG.isDebugEnabled()) {
LOG.debug(
"createElement("
+ tagName
+ ") cannot return a result as there isn't a JavaScript object for the element "
+ element.getClass().getName());
}
} else {
result = jsElement;
}
} catch (final ElementNotFoundException e) {
// Just fall through - result is already set to NOT_FOUND
}
return result;
}
