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org.htmlunit.html

Class HtmlPage

    • Constructor Detail

      • HtmlPage

        public HtmlPage(WebResponse webResponse,
 WebWindow webWindow)
        Creates an instance of HtmlPage. An HtmlPage instance is normally retrieved with WebClient.getPage(String).
        Parameters:
        webResponse - the web response that was used to create this page
        webWindow - the window that this page is being loaded into

    • Method Detail

      • getPage

        public HtmlPage getPage()
        Returns the page that contains this node.
        Overrides:
        getPage in class SgmlPage
        Returns:
        the page that contains this node

      • hasCaseSensitiveTagNames

        public boolean hasCaseSensitiveTagNames()
        Returns true if this page has case-sensitive tag names, false otherwise. In general, XML has case-sensitive tag names, and HTML doesn't. This is especially important during XPath matching.
        Specified by:
        hasCaseSensitiveTagNames in class SgmlPage
        Returns:
        true if this page has case-sensitive tag names, false otherwise

      • getBody

        public HtmlBody getBody()
        Returns:
        the body element, or null if it does not yet exist

      • getHead

        public HtmlElement getHead()
        Returns the head element.
        Returns:
        the head element

      • importNode

        public Node importNode(Node importedNode,
 boolean deep)
        Not yet implemented.

      • getInputEncoding

        public String getInputEncoding()
        Not yet implemented.

      • getXmlEncoding

        public String getXmlEncoding()

      • getXmlStandalone

        public boolean getXmlStandalone()

      • setXmlStandalone

        public void setXmlStandalone(boolean xmlStandalone)
 throws DOMException
        Not yet implemented.
        Throws:
        DOMException

      • getXmlVersion

        public String getXmlVersion()

      • getStrictErrorChecking

        public boolean getStrictErrorChecking()
        Not yet implemented.

      • setStrictErrorChecking

        public void setStrictErrorChecking(boolean strictErrorChecking)
        Not yet implemented.

      • getDocumentURI

        public String getDocumentURI()
        Not yet implemented.

      • setDocumentURI

        public void setDocumentURI(String documentURI)
        Not yet implemented.

      • getCharset

        public Charset getCharset()
        Returns the encoding.
        Specified by:
        getCharset in class SgmlPage
        Returns:
        the encoding

      • getContentType

        public String getContentType()
        Returns the content type of this page.
        Specified by:
        getContentType in class SgmlPage
        Returns:
        the content type of this page

      • getImplementation

        public DOMImplementation getImplementation()
        Not yet implemented.

      • createElement

        public DomElement createElement(String tagName)
        Parameters:
        tagName - the tag name, preferably in lowercase

      • createAttributeNS

        public Attr createAttributeNS(String namespaceURI,
 String qualifiedName)
        Not yet implemented.

      • getAnchors

        public List<HtmlAnchor> getAnchors()
        Returns a list of all anchors contained in this page.
        Returns:
        the list of HtmlAnchor in this page

      • getForms

        public List<HtmlForm> getForms()
        Returns a list of all the forms in this page.
        Returns:
        all the forms in this page

      • getFullyQualifiedUrl

        public URL getFullyQualifiedUrl(String relativeUrl)
 throws MalformedURLException
        Given a relative URL (ie /foo), returns a fully-qualified URL based on the URL that was used to load this page.
        Parameters:
        relativeUrl - the relative URL
        Returns:
        the fully-qualified URL for the specified relative URL
        Throws:
        MalformedURLException - if an error occurred when creating a URL object

      • getResolvedTarget

        public String getResolvedTarget(String elementTarget)
        Given a target attribute value, resolve the target using a base target for the page.
        Parameters:
        elementTarget - the target specified as an attribute of the element
        Returns:
        the resolved target to use for the element

      • getTabbableElementIds

        public List<String> getTabbableElementIds()
        Returns a list of ids (strings) that correspond to the tabbable elements in this page. Return them in the same order specified in getTabbableElements()
        Returns:
        the list of id's

      • getTabbableElements

        public List<HtmlElement> getTabbableElements()
        Returns a list of all elements that are tabbable in the order that will be used for tabbing.

        The rules for determining tab order are as follows:

        1. Those elements that support the tabindex attribute and assign a positive value to it are navigated first. Navigation proceeds from the element with the lowest tabindex value to the element with the highest value. Values need not be sequential nor must they begin with any particular value. Elements that have identical tabindex values should be navigated in the order they appear in the character stream.
        2. Those elements that do not support the tabindex attribute or support it and assign it a value of "0" are navigated next. These elements are navigated in the order they appear in the character stream.
        3. Elements that are disabled do not participate in the tabbing order.
        Additionally, the value of tabindex must be within 0 and 32767. Any values outside this range will be ignored.

        The following elements support the tabindex attribute: A, AREA, BUTTON, INPUT, OBJECT, SELECT, and TEXTAREA.

        Returns:
        all the tabbable elements in proper tab order

      • getHtmlElementByAccessKey

        public HtmlElement getHtmlElementByAccessKey(char accessKey)
        Returns the HTML element that is assigned to the specified access key. An access key (aka mnemonic key) is used for keyboard navigation of the page.

        Only the following HTML elements may have accesskeys defined: A, AREA, BUTTON, INPUT, LABEL, LEGEND, and TEXTAREA.

        Parameters:
        accessKey - the key to look for
        Returns:
        the HTML element that is assigned to the specified key or null if no elements can be found that match the specified key.

      • getHtmlElementsByAccessKey

        public List<HtmlElement> getHtmlElementsByAccessKey(char accessKey)
        Returns all the HTML elements that are assigned to the specified access key. An access key (aka mnemonic key) is used for keyboard navigation of the page.

        The HTML specification seems to indicate that one accesskey cannot be used for multiple elements however Internet Explorer does seem to support this. It's worth noting that Firefox does not support multiple elements with one access key so you are making your HTML browser specific if you rely on this feature.

        Only the following HTML elements may have accesskeys defined: A, AREA, BUTTON, INPUT, LABEL, LEGEND, and TEXTAREA.

        Parameters:
        accessKey - the key to look for
        Returns:
        the elements that are assigned to the specified accesskey

      • executeJavaScript

        public ScriptResult executeJavaScript(String sourceCode)

        Executes the specified JavaScript code within the page. The usage would be similar to what can be achieved to execute JavaScript in the current page by entering "javascript:...some JS code..." in the URL field of a native browser.

        Note: the provided code won't be executed if JavaScript has been disabled on the WebClient (see WebClient.isJavaScriptEnabled().

        Parameters:
        sourceCode - the JavaScript code to execute
        Returns:
        a ScriptResult which will contain both the current page (which may be different than the previous page) and a JavaScript result object

      • executeJavaScript

        public ScriptResult executeJavaScript(String sourceCode,
 String sourceName,
 int startLine)
        INTERNAL API - SUBJECT TO CHANGE AT ANY TIME - USE AT YOUR OWN RISK.

        Execute the specified JavaScript if a JavaScript engine was successfully instantiated. If this JavaScript causes the current page to be reloaded (through location="" or form.submit()) then return the new page. Otherwise return the current page.

        Please note: Although this method is public, it is not intended for general execution of JavaScript. Users of HtmlUnit should interact with the pages as a user would by clicking on buttons or links and having the JavaScript event handlers execute as needed.

        Parameters:
        sourceCode - the JavaScript code to execute
        sourceName - the name for this chunk of code (will be displayed in error messages)
        startLine - the line at which the script source starts
        Returns:
        a ScriptResult which will contain both the current page (which may be different than the previous page and a JavaScript result object.

      • getTitleText

        public String getTitleText()
        Returns the title of this page or an empty string if the title wasn't specified.
        Returns:
        the title of this page or an empty string if the title wasn't specified

      • setTitleText

        public void setTitleText(String message)
        Sets the text for the title of this page. If there is not a title element on this page, then one has to be generated.
        Parameters:
        message - the new text

      • isOnbeforeunloadAccepted

        public boolean isOnbeforeunloadAccepted()
        INTERNAL API - SUBJECT TO CHANGE AT ANY TIME - USE AT YOUR OWN RISK.
        Returns:
        true if the OnbeforeunloadHandler has accepted to change the page

      • deregisterFramesIfNeeded

        public void deregisterFramesIfNeeded()
        Deregister frames that are no longer in use.

      • getFrames

        public List<FrameWindow> getFrames()
        Returns a list containing all the frames (from frame and iframe tags) in this page in document order.
        Returns:
        a list of FrameWindow

      • getFrameByName

        public FrameWindow getFrameByName(String name)
 throws ElementNotFoundException
        Returns the first frame contained in this page with the specified name.
        Parameters:
        name - the name to search for
        Returns:
        the first frame found
        Throws:
        ElementNotFoundException - If no frame exist in this page with the specified name.

      • pressAccessKey

        public DomElement pressAccessKey(char accessKey)
 throws IOException
        Simulate pressing an access key. This may change the focus, may click buttons and may invoke JavaScript.
        Parameters:
        accessKey - the key that will be pressed
        Returns:
        the element that has the focus after pressing this access key or null if no element has the focus.
        Throws:
        IOException - if an IO error occurs during the processing of this access key (this would only happen if the access key triggered a button which in turn caused a page load)

      • tabToNextElement

        public HtmlElement tabToNextElement()
        Move the focus to the next element in the tab order. To determine the specified tab order, refer to getTabbableElements()
        Returns:
        the element that has focus after calling this method

      • tabToPreviousElement

        public HtmlElement tabToPreviousElement()
        Move the focus to the previous element in the tab order. To determine the specified tab order, refer to getTabbableElements()
        Returns:
        the element that has focus after calling this method

      • getHtmlElementById

        public <E extends HtmlElement> E getHtmlElementById(String elementId)
 throws ElementNotFoundException
        Returns the HTML element with the specified ID. If more than one element has this ID (not allowed by the HTML spec), then this method returns the first one.
        Type Parameters:
        E - the element type
        Parameters:
        elementId - the ID value to search for
        Returns:
        the HTML element with the specified ID
        Throws:
        ElementNotFoundException - if no element was found matching the specified ID

      • getElementsById

        public List<DomElement> getElementsById(String elementId)
        Returns the elements with the specified ID. If there are no elements with the specified ID, this method returns an empty list. Please note that the lists returned by this method are immutable.
        Parameters:
        elementId - the ID value to search for
        Returns:
        the elements with the specified name attribute

      • getElementByName

        public <E extends DomElement> E getElementByName(String name)
 throws ElementNotFoundException
        Returns the element with the specified name. If more than one element has this name, then this method returns the first one.
        Type Parameters:
        E - the element type
        Parameters:
        name - the name value to search for
        Returns:
        the element with the specified name
        Throws:
        ElementNotFoundException - if no element was found matching the specified name

      • getElementsByName

        public List<DomElement> getElementsByName(String name)
        Returns the elements with the specified name attribute. If there are no elements with the specified name, this method returns an empty list. Please note that the lists returned by this method are immutable.
        Parameters:
        name - the name value to search for
        Returns:
        the elements with the specified name attribute

      • getElementsByIdAndOrName

        public List<DomElement> getElementsByIdAndOrName(String idAndOrName)
        Returns the elements with the specified string for their name or ID. If there are no elements with the specified name or ID, this method returns an empty list.
        Parameters:
        idAndOrName - the value to search for
        Returns:
        the elements with the specified string for their name or ID

      • toString

        public String toString()
        Gives a basic representation for debugging purposes.
        Overrides:
        toString in class Object
        Returns:
        a basic representation

      • getMetaTags

        protected List<HtmlMeta> getMetaTags(String httpEquiv)
        Gets the meta tag for a given http-equiv value.
        Parameters:
        httpEquiv - the http-equiv value
        Returns:
        a list of HtmlMeta

      • clone

        protected HtmlPage clone()
        Creates a clone of this instance, and clears cached state to be not shared with the original.
        Overrides:
        clone in class SgmlPage
        Returns:
        a clone of this instance

      • removeHtmlAttributeChangeListener

        public void removeHtmlAttributeChangeListener(HtmlAttributeChangeListener listener)
        Removes an HtmlAttributeChangeListener from the listener list. This method should be used to remove HtmlAttributeChangeListener that were registered for all attributes of all HtmlElements contained in this page.
        Parameters:
        listener - the attribute change listener to be removed
        See Also:
        addHtmlAttributeChangeListener(HtmlAttributeChangeListener)

      • checkChildHierarchy

        protected void checkChildHierarchy(Node newChild)
 throws DOMException
        Check for insertion errors for a new child node. This is overridden by derived classes to enforce which types of children are allowed.
        Overrides:
        checkChildHierarchy in class DomNode
        Parameters:
        newChild - the new child node that is being inserted below this node
        Throws:
        DOMException - HIERARCHY_REQUEST_ERR: Raised if this node is of a type that does not allow children of the type of the newChild node, or if the node to insert is one of this node's ancestors or this node itself, or if this node is of type Document and the DOM application attempts to insert a second DocumentType or Element node. WRONG_DOCUMENT_ERR: Raised if newChild was created from a different document than the one that created this node.

      • isBeingParsed

        public boolean isBeingParsed()
        Returns true if an HTML parser is operating on this page, adding content to it.
        Returns:
        true if an HTML parser is operating on this page, adding content to it

      • registerParsingStart

        public void registerParsingStart()
        INTERNAL API - SUBJECT TO CHANGE AT ANY TIME - USE AT YOUR OWN RISK.
        Called by the HTML parser to let the page know that it has started parsing some content for this page.

      • registerParsingEnd

        public void registerParsingEnd()
        INTERNAL API - SUBJECT TO CHANGE AT ANY TIME - USE AT YOUR OWN RISK.
        Called by the HTML parser to let the page know that it has finished parsing some content for this page.

      • isParsingHtmlSnippet

        public boolean isParsingHtmlSnippet()
        INTERNAL API - SUBJECT TO CHANGE AT ANY TIME - USE AT YOUR OWN RISK.
        Returns true if an HTML parser is parsing a non-inline HTML snippet to add content to this page. Non-inline content is content that is parsed for the page, but not in the same stream as the page itself -- basically anything other than document.write() or document.writeln(): innerHTML, outerHTML, document.createElement(), etc.
        Returns:
        true if an HTML parser is parsing a non-inline HTML snippet to add content to this page

      • registerSnippetParsingStart

        public void registerSnippetParsingStart()
        INTERNAL API - SUBJECT TO CHANGE AT ANY TIME - USE AT YOUR OWN RISK.
        Called by the HTML parser to let the page know that it has started parsing a non-inline HTML snippet.

      • registerSnippetParsingEnd

        public void registerSnippetParsingEnd()
        INTERNAL API - SUBJECT TO CHANGE AT ANY TIME - USE AT YOUR OWN RISK.
        Called by the HTML parser to let the page know that it has finished parsing a non-inline HTML snippet.

      • isParsingInlineHtmlSnippet

        public boolean isParsingInlineHtmlSnippet()
        INTERNAL API - SUBJECT TO CHANGE AT ANY TIME - USE AT YOUR OWN RISK.
        Returns true if an HTML parser is parsing an inline HTML snippet to add content to this page. Inline content is content inserted into the parser stream dynamically while the page is being parsed (i.e. document.write() or document.writeln()).
        Returns:
        true if an HTML parser is parsing an inline HTML snippet to add content to this page

      • registerInlineSnippetParsingStart

        public void registerInlineSnippetParsingStart()
        INTERNAL API - SUBJECT TO CHANGE AT ANY TIME - USE AT YOUR OWN RISK.
        Called by the HTML parser to let the page know that it has started parsing an inline HTML snippet.

      • registerInlineSnippetParsingEnd

        public void registerInlineSnippetParsingEnd()
        INTERNAL API - SUBJECT TO CHANGE AT ANY TIME - USE AT YOUR OWN RISK.
        Called by the HTML parser to let the page know that it has finished parsing an inline HTML snippet.

      • refresh

        public Page refresh()
 throws IOException
        Refreshes the page by sending the same parameters as previously sent to get this page.
        Returns:
        the newly loaded page.
        Throws:
        IOException - if an IO problem occurs

      • writeInParsedStream

        public void writeInParsedStream(String string)
        INTERNAL API - SUBJECT TO CHANGE AT ANY TIME - USE AT YOUR OWN RISK.

        Parses the given string as would it belong to the content being parsed at the current parsing position

        Parameters:
        string - the HTML code to write in place

      • setDOMBuilder

        public void setDOMBuilder(HTMLParserDOMBuilder htmlUnitDOMBuilder)
        INTERNAL API - SUBJECT TO CHANGE AT ANY TIME - USE AT YOUR OWN RISK.
        Sets the builder to allow page to send content from document.write(ln) calls.
        Parameters:
        htmlUnitDOMBuilder - the builder

      • getDOMBuilder

        public HTMLParserDOMBuilder getDOMBuilder()
        INTERNAL API - SUBJECT TO CHANGE AT ANY TIME - USE AT YOUR OWN RISK.
        Returns the current builder.
        Returns:
        the current builder

      • getNamespaces

        public Map<String,String> getNamespaces()

        Returns all namespaces defined in the root element of this page.

        The default namespace has a key of an empty string.

        Returns:
        all namespaces defined in the root element of this page

      • save

        public void save(File file)
 throws IOException
        Saves the current page, with all images, to the specified location. The default behavior removes all script elements.
        Parameters:
        file - file to write this page into
        Throws:
        IOException - If an error occurs

      • isQuirksMode

        public boolean isQuirksMode()
        Returns whether the current page mode is in quirks mode or in standards mode.
        Returns:
        true for quirks mode, false for standards mode

      • isAttachedToPage

        public boolean isAttachedToPage()
        INTERNAL API - SUBJECT TO CHANGE AT ANY TIME - USE AT YOUR OWN RISK.
        INTERNAL API - SUBJECT TO CHANGE AT ANY TIME - USE AT YOUR OWN RISK.
        Indicates if this node is currently attached to the page.
        Overrides:
        isAttachedToPage in class DomNode
        Returns:
        true if the page is one ancestor of the node.

      • isHtmlPage

        public boolean isHtmlPage()
        Returns true if this page is an HtmlPage.
        Specified by:
        isHtmlPage in interface Page
        Overrides:
        isHtmlPage in class SgmlPage
        Returns:
        true or false

      • getBaseURL

        public URL getBaseURL()
        The base URL used to resolve relative URLs.
        Returns:
        the base URL

      • addAutoCloseable

        public void addAutoCloseable(AutoCloseable autoCloseable)
        INTERNAL API - SUBJECT TO CHANGE AT ANY TIME - USE AT YOUR OWN RISK.
        Adds an AutoCloseable, which would be closed during the cleanUp().
        Parameters:
        autoCloseable - the autoclosable

      • handles

        public boolean handles(Event event)
        Indicates if the provided event can be applied to this node. Overwrite this.
        Overrides:
        handles in class DomNode
        Parameters:
        event - the event
        Returns:
        false if the event can't be applied

      • getElementFromPoint

        public HtmlElement getElementFromPoint(int x,
 int y)
        INTERNAL API - SUBJECT TO CHANGE AT ANY TIME - USE AT YOUR OWN RISK.
        Returns the element for the specified x coordinate and the specified y coordinate.
        Parameters:
        x - the x offset, in pixels
        y - the y offset, in pixels
        Returns:
        the element for the specified x coordinate and the specified y coordinate

      • setFocusedElement

        public boolean setFocusedElement(DomElement newElement)
        Moves the focus to the specified element. This will trigger any relevant JavaScript event handlers.
        Parameters:
        newElement - the element that will receive the focus, use null to remove focus from any element
        Returns:
        true if the specified element now has the focus
        See Also:
        getFocusedElement()

      • setFocusedElement

        public boolean setFocusedElement(DomElement newElement,
 boolean windowActivated)
        Moves the focus to the specified element. This will trigger any relevant JavaScript event handlers.
        Parameters:
        newElement - the element that will receive the focus, use null to remove focus from any element
        windowActivated - - whether the enclosing window got focus resulting in specified element getting focus
        Returns:
        true if the specified element now has the focus
        See Also:
        getFocusedElement()

      • getFocusedElement

        public DomElement getFocusedElement()
        Returns the element with the focus or null if no element has the focus.
        Returns:
        the element with focus or null
        See Also:
        setFocusedElement(DomElement)

      • setElementWithFocus

        public void setElementWithFocus(DomElement elementWithFocus)

        INTERNAL API - SUBJECT TO CHANGE AT ANY TIME - USE AT YOUR OWN RISK.

        Sets the element with focus.
        Parameters:
        elementWithFocus - the element with focus

      • getActiveElement

        public HtmlElement getActiveElement()

        INTERNAL API - SUBJECT TO CHANGE AT ANY TIME - USE AT YOUR OWN RISK.

        Returns:
        the element with focus or the body

      • getSelectionRanges

        public List<SimpleRange> getSelectionRanges()

        INTERNAL API - SUBJECT TO CHANGE AT ANY TIME - USE AT YOUR OWN RISK.

        Returns the page's current selection ranges.

        Returns:
        the page's current selection ranges

      • setSelectionRange

        public void setSelectionRange(SimpleRange selectionRange)

        INTERNAL API - SUBJECT TO CHANGE AT ANY TIME - USE AT YOUR OWN RISK.

        Makes the specified selection range the *only* selection range on this page.

        Parameters:
        selectionRange - the selection range

      • executeJavaScriptFunction

        public ScriptResult executeJavaScriptFunction(Object function,
 Object thisObject,
 Object[] args,
 DomNode htmlElementScope)
        INTERNAL API - SUBJECT TO CHANGE AT ANY TIME - USE AT YOUR OWN RISK.
        Execute a Function in the given context.
        Parameters:
        function - the JavaScript Function to call
        thisObject - the "this" object to be used during invocation
        args - the arguments to pass into the call
        htmlElementScope - the HTML element for which this script is being executed This element will be the context during the JavaScript execution. If null, the context will default to the page.
        Returns:
        a ScriptResult which will contain both the current page (which may be different than the previous page and a JavaScript result object.

      • setNodeValue

        public void setNodeValue(String value)

      • setPrefix

        public void setPrefix(String prefix)

      • clearComputedStyles

        public void clearComputedStyles()
        INTERNAL API - SUBJECT TO CHANGE AT ANY TIME - USE AT YOUR OWN RISK.
        Clears the computed styles.
        Overrides:
        clearComputedStyles in class SgmlPage

      • clearComputedStyles

        public void clearComputedStyles(DomElement element)
        INTERNAL API - SUBJECT TO CHANGE AT ANY TIME - USE AT YOUR OWN RISK.
        Clears the computed styles for a specific Element.
        Overrides:
        clearComputedStyles in class SgmlPage
        Parameters:
        element - the element to clear its cache

      • clearComputedStylesUpToRoot

        public void clearComputedStylesUpToRoot(DomElement element)
        INTERNAL API - SUBJECT TO CHANGE AT ANY TIME - USE AT YOUR OWN RISK.
        Clears the computed styles for a specific Element and all parent elements.
        Overrides:
        clearComputedStylesUpToRoot in class SgmlPage
        Parameters:
        element - the element to clear its cache

      • getStyleFromCache

        public ComputedCssStyleDeclaration getStyleFromCache(DomElement element,
 String normalizedPseudo)
        INTERNAL API - SUBJECT TO CHANGE AT ANY TIME - USE AT YOUR OWN RISK.
        Parameters:
        element - the element to clear its cache
        normalizedPseudo - the pseudo attribute
        Returns:
        the cached CSS2Properties object or null

      • putStyleIntoCache

        public void putStyleIntoCache(DomElement element,
 String normalizedPseudo,
 ComputedCssStyleDeclaration style)
        INTERNAL API - SUBJECT TO CHANGE AT ANY TIME - USE AT YOUR OWN RISK.
        Caches a CSS2Properties object.
        Parameters:
        element - the element to clear its cache
        normalizedPseudo - the pseudo attribute
        style - the CSS2Properties to cache

      • getStyleSheets

        public List<CssStyleSheet> getStyleSheets()
        INTERNAL API - SUBJECT TO CHANGE AT ANY TIME - USE AT YOUR OWN RISK.
        Returns:
        a list of all styles from this page (<style> and <link rel=stylesheet>). This returns an empty list if css support is disabled in the web client options.
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