Package org.htmlunit.html

Class HtmlForm

java.lang.Object
org.htmlunit.html.DomNode
org.htmlunit.html.DomNamespaceNode
org.htmlunit.html.DomElement
org.htmlunit.html.HtmlElement
org.htmlunit.html.HtmlForm
All Implemented Interfaces:
Serializable, Cloneable, Element, Node
public class HtmlForm extends HtmlElement
Wrapper for the HTML element "form".
See Also:

  • Field Details

    • LOG

      private static final org.apache.commons.logging.Log LOG

    • TAG_NAME

      public static final String TAG_NAME
      The HTML tag represented by this element.
      See Also:

    • ATTRIBUTE_NOVALIDATE

      private static final String ATTRIBUTE_NOVALIDATE
      The "novalidate" attribute name.
      See Also:

    • ATTRIBUTE_FORMNOVALIDATE

      public static final String ATTRIBUTE_FORMNOVALIDATE
      The "formnovalidate" attribute name.
      See Also:

    • SUBMITTABLE_ELEMENT_NAMES

      private static final HashSet<String> SUBMITTABLE_ELEMENT_NAMES

    • SUBMIT_CHARSET_PATTERN

      private static final Pattern SUBMIT_CHARSET_PATTERN

    • isPreventDefault_

      private boolean isPreventDefault_

  • Constructor Details

    • HtmlForm

      HtmlForm(String qualifiedName, SgmlPage htmlPage, Map<String,DomAttr> attributes)
      Creates an instance.
      Parameters:
      qualifiedName - the qualified name of the element type to instantiate
      htmlPage - the page that contains this element
      attributes - the initial attributes

  • Method Details

    • submit

      public void submit(SubmittableElement submitElement)
      INTERNAL API - SUBJECT TO CHANGE AT ANY TIME - USE AT YOUR OWN RISK.

      Submits this form to the server. If submitElement is null, then the submission is treated as if it was triggered by JavaScript, and the onsubmit handler will not be executed.

      IMPORTANT: Using this method directly is not the preferred way of submitting forms. Most consumers should emulate the user's actions instead, probably by using something like DomElement.click() or DomElement.dblClick().

      Parameters:
      submitElement - the element that caused the submit to occur

    • updateHtml5Attributes

      private void updateHtml5Attributes(SubmittableElement submitElement)
      Check if element which cause submit contains new html5 attributes (formaction, formmethod, formtarget, formenctype) and override existing values
      Parameters:
      submitElement - the element to update

    • areChildrenValid

      private boolean areChildrenValid()

    • getWebRequest

      public WebRequest getWebRequest(SubmittableElement submitElement)
      INTERNAL API - SUBJECT TO CHANGE AT ANY TIME - USE AT YOUR OWN RISK.
      Gets the request for a submission of this form with the specified SubmittableElement.
      Parameters:
      submitElement - the element that caused the submit to occur
      Returns:
      the request

    • relContainsNoreferrer

      private boolean relContainsNoreferrer()

    • getSubmitCharset

      private Charset getSubmitCharset()
      Returns the charset to use for the form submission. This is the first one from the list provided in getAcceptCharsetAttribute() if any or the page's charset else
      Returns:
      the charset to use for the form submission

    • getParameterListForSubmit

      public List<NameValuePair> getParameterListForSubmit(SubmittableElement submitElement)
      INTERNAL API - SUBJECT TO CHANGE AT ANY TIME - USE AT YOUR OWN RISK.
      Returns a list of NameValuePairs that represent the data that will be sent to the server when this form is submitted. This is primarily intended to aid debugging.
      Parameters:
      submitElement - the element used to submit the form, or null if the form was submitted by JavaScript
      Returns:
      the list of NameValuePairs that represent that data that will be sent to the server when this form is submitted

    • reset

      public Page reset()
      Resets this form to its initial values, returning the page contained by this form's window after the reset. Note that the returned page may or may not be the same as the original page, based on JavaScript event handlers, etc.
      Returns:
      the page contained by this form's window after the reset

    • isValid

      public boolean isValid()
      Returns whether this element satisfies all form validation constraints set.
      Overrides:
      isValid in class HtmlElement
      Returns:
      whether this element satisfies all form validation constraints set

    • getSubmittableElements

      Collection<SubmittableElement> getSubmittableElements(SubmittableElement submitElement)
      Returns a collection of elements that represent all the "submittable" elements in this form, assuming that the specified element is used to submit the form.
      Parameters:
      submitElement - the element used to submit the form, or null if the form is submitted by JavaScript
      Returns:
      a collection of elements that represent all the "submittable" elements in this form

    • isValidForSubmission

      private static boolean isValidForSubmission(HtmlElement element, SubmittableElement submitElement)

    • isSubmittable

      private static boolean isSubmittable(HtmlElement element, SubmittableElement submitElement)
      Returns true if the specified element gets submitted when this form is submitted, assuming that the form is submitted using the specified submit element.
      Parameters:
      element - the element to check
      submitElement - the element used to submit the form, or null if the form is submitted by JavaScript
      Returns:
      true if the specified element gets submitted when this form is submitted

    • getInputsByName

      public List<HtmlInput> getInputsByName(String name)
      Returns all input elements which are members of this form and have the specified name.
      Parameters:
      name - the input name to search for
      Returns:
      all input elements which are members of this form and have the specified name

    • getFormElementsByAttribute

      private <E extends HtmlElement> List<E> getFormElementsByAttribute(String elementName, String attributeName, String attributeValue)
      Same as HtmlElement.getElementsByAttribute(String, String, String) but ignoring elements that are contained in a nested form.

    • getElements

      public List<HtmlElement> getElements()
      Returns:
      returns a list of all form controls contained in the <form> element or referenced by formId but ignoring elements that are contained in a nested form

    • getInputByName

      public final <I extends HtmlInput> I getInputByName(String name) throws ElementNotFoundException
      Returns the first input element which is a member of this form and has the specified name.
      Type Parameters:
      I - the input type
      Parameters:
      name - the input name to search for
      Returns:
      the first input element which is a member of this form and has the specified name
      Throws:
      ElementNotFoundException - if there is not input in this form with the specified name

    • getSelectsByName

      public List<HtmlSelect> getSelectsByName(String name)
      Returns all the HtmlSelect elements in this form that have the specified name.
      Parameters:
      name - the name to search for
      Returns:
      all the HtmlSelect elements in this form that have the specified name

    • getSelectByName

      public HtmlSelect getSelectByName(String name) throws ElementNotFoundException
      Returns the first HtmlSelect element in this form that has the specified name.
      Parameters:
      name - the name to search for
      Returns:
      the first HtmlSelect element in this form that has the specified name
      Throws:
      ElementNotFoundException - if this form does not contain a HtmlSelect element with the specified name

    • getButtonsByName

      public List<HtmlButton> getButtonsByName(String name)
      Returns all the HtmlButton elements in this form that have the specified name.
      Parameters:
      name - the name to search for
      Returns:
      all the HtmlButton elements in this form that have the specified name

    • getButtonByName

      public HtmlButton getButtonByName(String name) throws ElementNotFoundException
      Returns the first HtmlButton element in this form that has the specified name.
      Parameters:
      name - the name to search for
      Returns:
      the first HtmlButton element in this form that has the specified name
      Throws:
      ElementNotFoundException - if this form does not contain a HtmlButton element with the specified name

    • getTextAreasByName

      public List<HtmlTextArea> getTextAreasByName(String name)
      Returns all the HtmlTextArea elements in this form that have the specified name.
      Parameters:
      name - the name to search for
      Returns:
      all the HtmlTextArea elements in this form that have the specified name

    • getTextAreaByName

      public HtmlTextArea getTextAreaByName(String name) throws ElementNotFoundException
      Returns the first HtmlTextArea element in this form that has the specified name.
      Parameters:
      name - the name to search for
      Returns:
      the first HtmlTextArea element in this form that has the specified name
      Throws:
      ElementNotFoundException - if this form does not contain a HtmlTextArea element with the specified name

    • getRadioButtonsByName

      public List<HtmlRadioButtonInput> getRadioButtonsByName(String name)
      Returns all the HtmlRadioButtonInput elements in this form that have the specified name.
      Parameters:
      name - the name to search for
      Returns:
      all the HtmlRadioButtonInput elements in this form that have the specified name

    • setCheckedRadioButton

      void setCheckedRadioButton(HtmlRadioButtonInput radioButtonInput)
      Selects the specified radio button in the form. Only a radio button that is actually contained in the form can be selected.
      Parameters:
      radioButtonInput - the radio button to select

    • getCheckedRadioButton

      public HtmlRadioButtonInput getCheckedRadioButton(String name)
      Returns the first checked radio button with the specified name. If none of the radio buttons by that name are checked, this method returns null.
      Parameters:
      name - the name of the radio button
      Returns:
      the first checked radio button with the specified name

    • getActionAttribute

      public final String getActionAttribute()
      Returns the value of the attribute action. Refer to the HTML 4.01 documentation for details on the use of this attribute.
      Returns:
      the value of the attribute action or an empty string if that attribute isn't defined

    • setActionAttribute

      public final void setActionAttribute(String action)
      Sets the value of the attribute action. Refer to the HTML 4.01 documentation for details on the use of this attribute.
      Parameters:
      action - the value of the attribute action

    • getMethodAttribute

      public final String getMethodAttribute()
      Returns the value of the attribute method. Refer to the HTML 4.01 documentation for details on the use of this attribute.
      Returns:
      the value of the attribute method or an empty string if that attribute isn't defined

    • setMethodAttribute

      public final void setMethodAttribute(String method)
      Sets the value of the attribute method. Refer to the HTML 4.01 documentation for details on the use of this attribute.
      Parameters:
      method - the value of the attribute method

    • getNameAttribute

      public final String getNameAttribute()
      Returns the value of the attribute name. Refer to the HTML 4.01 documentation for details on the use of this attribute.
      Returns:
      the value of the attribute name or an empty string if that attribute isn't defined

    • setNameAttribute

      public final void setNameAttribute(String name)
      Sets the value of the attribute name. Refer to the HTML 4.01 documentation for details on the use of this attribute.
      Parameters:
      name - the value of the attribute name

    • getEnctypeAttribute

      public final String getEnctypeAttribute()
      Returns the value of the attribute enctype. Refer to the HTML 4.01 documentation for details on the use of this attribute. "Enctype" is the encoding type used when submitting a form back to the server.
      Returns:
      the value of the attribute enctype or an empty string if that attribute isn't defined

    • setEnctypeAttribute

      public final void setEnctypeAttribute(String encoding)
      Sets the value of the attribute enctype. Refer to the HTML 4.01 documentation for details on the use of this attribute. "Enctype" is the encoding type used when submitting a form back to the server.
      Parameters:
      encoding - the value of the attribute enctype

    • getOnSubmitAttribute

      public final String getOnSubmitAttribute()
      Returns the value of the attribute onsubmit. Refer to the HTML 4.01 documentation for details on the use of this attribute.
      Returns:
      the value of the attribute onsubmit or an empty string if that attribute isn't defined

    • getOnResetAttribute

      public final String getOnResetAttribute()
      Returns the value of the attribute onreset. Refer to the HTML 4.01 documentation for details on the use of this attribute.
      Returns:
      the value of the attribute onreset or an empty string if that attribute isn't defined

    • getAcceptAttribute

      public final String getAcceptAttribute()
      Returns the value of the attribute accept. Refer to the HTML 4.01 documentation for details on the use of this attribute.
      Returns:
      the value of the attribute accept or an empty string if that attribute isn't defined

    • getAcceptCharsetAttribute

      public final String getAcceptCharsetAttribute()
      Returns the value of the attribute accept-charset. Refer to the HTML 4.01 documentation for details on the use of this attribute.
      Returns:
      the value of the attribute accept-charset or an empty string if that attribute isn't defined

    • getTargetAttribute

      public final String getTargetAttribute()
      Returns the value of the attribute target. Refer to the HTML 4.01 documentation for details on the use of this attribute.
      Returns:
      the value of the attribute target or an empty string if that attribute isn't defined

    • setTargetAttribute

      public final void setTargetAttribute(String target)
      Sets the value of the attribute target. Refer to the HTML 4.01 documentation for details on the use of this attribute.
      Parameters:
      target - the value of the attribute target

    • getRelAttribute

      public final String getRelAttribute()
      Returns the value of the attribute rel. Refer to the HTML 4.01 documentation for details on the use of this attribute.
      Returns:
      the value of the attribute rel or an empty string if that attribute isn't defined

    • getInputByValue

      public <I extends HtmlInput> I getInputByValue(String value) throws ElementNotFoundException
      Returns the first input in this form with the specified value.
      Type Parameters:
      I - the input type
      Parameters:
      value - the value to search for
      Returns:
      the first input in this form with the specified value
      Throws:
      ElementNotFoundException - if this form does not contain any inputs with the specified value

    • getInputsByValue

      public List<HtmlInput> getInputsByValue(String value)
      Returns all the inputs in this form with the specified value.
      Parameters:
      value - the value to search for
      Returns:
      all the inputs in this form with the specified value

    • preventDefault

      protected void preventDefault()
      This method is called if the current fired event is canceled by preventDefault().

      The default implementation does nothing.

      Overrides:
      preventDefault in class DomElement

    • isEmptyXmlTagExpanded

      protected boolean isEmptyXmlTagExpanded()
      Browsers have problems with self closing form tags.
      Overrides:
      isEmptyXmlTagExpanded in class DomElement
      Returns:
      false by default

    • isNoValidate

      public final boolean isNoValidate()
      Returns:
      the value of the attribute novalidate or an empty string if that attribute isn't defined

    • setNoValidate

      public final void setNoValidate(boolean noValidate)
      Sets the value of the attribute novalidate.
      Parameters:
      noValidate - the value of the attribute novalidate