All Implemented Interfaces:

Serializable, Cloneable, org.htmlunit.corejs.javascript.ConstProperties, org.htmlunit.corejs.javascript.debug.DebuggableObject, org.htmlunit.corejs.javascript.Scriptable, org.htmlunit.corejs.javascript.SymbolScriptable

public class FileReader
extends EventTarget 

Author:

Ahmed Ashour, Ronald Brill

See Also:

Serialized Form

• Nested Class Summary

  • Nested classes/interfaces inherited from class org.htmlunit.corejs.javascript.ScriptableObject

    org.htmlunit.corejs.javascript.ScriptableObject.KeyComparator, org.htmlunit.corejs.javascript.ScriptableObject.LambdaGetterFunction, org.htmlunit.corejs.javascript.ScriptableObject.LambdaSetterFunction

• Field Summary

  Fields

  Modifier and Type	Field and Description
  static int	DONE The entire read request has been completed.
  static int	EMPTY No data has been loaded yet.
  static int	LOADING Data is currently being loaded.

  • Fields inherited from class org.htmlunit.corejs.javascript.ScriptableObject

    CONST, DONTENUM, PERMANENT, READONLY, UNINITIALIZED_CONST

  • Fields inherited from interface org.htmlunit.corejs.javascript.Scriptable

    NOT_FOUND

• Constructor Summary

  Constructors

  Constructor and Description
  FileReader ()

• Method Summary

  All Methods

  Modifier and Type	Method and Description
  org.htmlunit.corejs.javascript.Function	getOnerror () Returns the onerror event handler for this FileReader.
  org.htmlunit.corejs.javascript.Function	getOnload () Returns the onload event handler for this FileReader.
  int	getReadyState () Returns the current state of the reading operation.
  Object	getResult () Returns the file's contents.
  void	jsConstructor () JavaScript constructor.
  void	readAsArrayBuffer (Object object) Reads the contents of the specified Blob or File.
  void	readAsDataURL (Object object) Reads the contents of the specified Blob or File.
  void	readAsText (Object object, Object encoding) Reads the contents of the specified Blob or File.
  void	setOnerror (Object onerror) Sets the onerror event handler for this FileReader.
  void	setOnload (Object onload) Sets the onload event handler for this FileReader.

  • Methods inherited from class org.htmlunit.javascript.host.event.EventTarget

    addEventListener, clearEventListenersContainer, dispatchEvent, executeEventLocally, fireEvent, getEventHandler, getEventListenersContainer, hasEventHandlers, isEventHandlerOnWindow, removeEventListener, setEventHandler

  • Methods inherited from class org.htmlunit.javascript.HtmlUnitScriptable

    clone, equivalentValues, get, getBrowserVersion, getClassName, getDefaultValue, getDomNodeOrDie, getDomNodeOrNull, getPrototype, getScriptableFor, getWindow, getWindow, getWindowFromTopCallScope, getWithPreemption, has, hasInstance, initParentScope, makeScriptableFor, put, setClassName, setDomNode, setDomNode, setParentScope, setupPromise, setupRejectedPromise

  • Methods inherited from class org.htmlunit.corejs.javascript.ScriptableObject

    applyDescriptorToAttributeBitset, associateValue, avoidObjectDetection, buildDataDescriptor, callMethod, callMethod, checkPropertyChangeForSlot, checkPropertyDefinition, defineBuiltInProperty, defineBuiltInProperty, defineBuiltInProperty, defineBuiltInProperty, defineClass, defineClass, defineClass, defineConst, defineConstProperty, defineFunctionProperties, defineOwnProperties, defineOwnProperty, defineOwnProperty, defineProperty, defineProperty, defineProperty, defineProperty, defineProperty, defineProperty, defineProperty, defineProperty, defineProperty, defineProperty, delete, delete, delete, deleteProperty, deleteProperty, deleteProperty, ensureScriptable, ensureScriptableObject, ensureScriptableObjectButNotSymbol, ensureSymbolScriptable, ensureType, get, get, get, getAllIds, getArrayPrototype, getAssociatedValue, getAttributes, getAttributes, getAttributes, getAttributes, getAttributes, getClassPrototype, getDefaultValue, getExternalArrayData, getExternalArrayLength, getFunctionPrototype, getGeneratorFunctionPrototype, getGetterOrSetter, getGetterOrSetter, getIds, getObjectPrototype, getOwnPropertyDescriptor, getParentScope, getProperty, getProperty, getProperty, getPropertyIds, getPrototype, getSuperProperty, getSuperProperty, getSuperProperty, getTopLevelScope, getTopScopeValue, getTypedProperty, getTypedProperty, getTypeOf, has, has, hasProperty, hasProperty, hasProperty, isAccessorDescriptor, isConst, isDataDescriptor, isEmpty, isExtensible, isFalse, isGenericDescriptor, isGetterOrSetter, isSealed, isTrue, preventExtensions, put, put, putConst, putConstProperty, putOwnProperty, putOwnProperty, putOwnProperty, putProperty, putProperty, putProperty, putSuperProperty, putSuperProperty, putSuperProperty, querySlot, redefineProperty, sameValue, sealObject, setAttributes, setAttributes, setAttributes, setAttributes, setAttributes, setCommonDescriptorProperties, setExternalArrayData, setGetterOrSetter, setPrototype, size

  • Methods inherited from class org.htmlunit.corejs.javascript.SlotMapOwner

    createSlotMap

  • Methods inherited from class java.lang.Object

    equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

• Field Detail

  • EMPTY

    public static final int EMPTY

    No data has been loaded yet.

    See Also:

    Constant Field Values

  • LOADING

    public static final int LOADING

    Data is currently being loaded.

    See Also:

    Constant Field Values

  • DONE

    public static final int DONE

    The entire read request has been completed.

    See Also:

    Constant Field Values

• Constructor Detail

  • FileReader

    public FileReader()

• Method Detail

  • jsConstructor

    public void jsConstructor()

    JavaScript constructor.

    Overrides:

    jsConstructor in class EventTarget

  • getReadyState

    public int getReadyState()

    Returns the current state of the reading operation.

    Returns:

    0, 1, or 2

  • getResult

    public Object getResult()

    Returns the file's contents.

    Returns:

    the file's contents

  • readAsDataURL

    public void readAsDataURL(Object object)
     throws IOException 

    Reads the contents of the specified Blob or File.

    Parameters:

    object - the Blob or File from which to read

    Throws:

    IOException - if an error occurs

  • readAsArrayBuffer

    public void readAsArrayBuffer(Object object)

    Reads the contents of the specified Blob or File.

    Parameters:

    object - the Blob or File from which to read

  • readAsText

    public void readAsText(Object object,
     Object encoding)

    Reads the contents of the specified Blob or File. When the read operation is complete, the readyState is changed to DONE, the loaded event is triggered, and the result attribute contains the contents of the file as a text string.

    Parameters:

    object - the Blob or File from which to read

    encoding - the encoding

  • getOnload

    public org.htmlunit.corejs.javascript.Function getOnload()

    Returns the onload event handler for this FileReader.

    Returns:

    the onload event handler for this FileReader

  • setOnload

    public void setOnload(Object onload)

    Sets the onload event handler for this FileReader.

    Parameters:

    onload - the onload event handler for this FileReader

  • getOnerror

    public org.htmlunit.corejs.javascript.Function getOnerror()

    Returns the onerror event handler for this FileReader.

    Returns:

    the onerror event handler for this FileReader

  • setOnerror

    public void setOnerror(Object onerror)

    Sets the onerror event handler for this FileReader.

    Parameters:

    onerror - the onerror event handler for this FileReader