org.mozilla.javascript

Class NativeArray

java.lang.Object

org.mozilla.javascript.ScriptableObject

org.mozilla.javascript.IdScriptableObject

org.mozilla.javascript.NativeArray

All Implemented Interfaces:

Serializable, ConstProperties, DebuggableObject, IdFunctionCall, Scriptable

public class NativeArray
extends IdScriptableObject

This class implements the Array native object.

Author:

Norris Boyd, Mike McCabe

See Also:

Serialized Form

Field Summary

Fields inherited from class org.mozilla.javascript.ScriptableObject

CONST, DONTENUM, EMPTY, PERMANENT, READONLY, UNINITIALIZED_CONST

Fields inherited from interface org.mozilla.javascript.Scriptable

NOT_FOUND

Constructor Summary

Constructors

Constructor and Description
NativeArray(long lengthArg)
NativeArray(Object[] array)

Method Summary

Methods

Modifier and Type	Method and Description
void	delete(int index) Removes the indexed property from the object.
Object	execIdCall(IdFunctionObject f, Context cx, Scriptable scope, Scriptable thisObj, Object[] args) 'thisObj' will be null if invoked as constructor, in which case instance of Scriptable should be returned.
protected void	fillConstructorProperties(IdFunctionObject ctor)
protected int	findInstanceIdInfo(String s) Map name to id of instance property.
protected int	findPrototypeId(String s)
Object	get(int index, Scriptable start) Returns the value of the indexed property or NOT_FOUND.
String	getClassName() Return the name of the class.
Object	getDefaultValue(Class<?> hint) Implements the [[DefaultValue]] internal method.
Object[]	getIds() Returns an array of ids for the properties of the object.
protected String	getInstanceIdName(int id) Map id back to property name it defines.
protected Object	getInstanceIdValue(int id) Get id value.
long	getLength()
protected int	getMaxInstanceId() Get maximum id findInstanceIdInfo can generate.
boolean	has(int index, Scriptable start) Returns true if the property index is defined.
protected void	initPrototypeId(int id)
long	jsGet_length() Deprecated. Use getLength() instead.
void	put(int index, Scriptable start, Object value) Sets the value of the indexed property, creating it if need be.
void	put(String id, Scriptable start, Object value) Sets the value of the named property, creating it if need be.
protected void	setInstanceIdValue(int id, Object value) Set or delete id value.

Methods inherited from class org.mozilla.javascript.IdScriptableObject

activatePrototypeMap, addIdFunctionProperty, defaultGet, defaultPut, delete, exportAsJSClass, get, getAttributes, has, hasPrototypeMap, incompatibleCallError, initPrototypeConstructor, initPrototypeMethod, initPrototypeValue, instanceIdInfo, setAttributes

Methods inherited from class org.mozilla.javascript.ScriptableObject

associateValue, avoidObjectDetection, callMethod, callMethod, defineClass, defineClass, defineClass, defineConst, defineConstProperty, defineFunctionProperties, defineProperty, defineProperty, defineProperty, defineProperty, deleteProperty, deleteProperty, equivalentValues, getAllIds, getAssociatedValue, getAttributes, getAttributes, getAttributes, getClassPrototype, getDefaultValue, getFunctionPrototype, getGetterOrSetter, getObjectPrototype, getParentScope, getProperty, getProperty, getPropertyIds, getPrototype, getTopLevelScope, getTopScopeValue, hasInstance, hasProperty, hasProperty, isConst, isGetterOrSetter, isSealed, putConst, putConstProperty, putProperty, putProperty, redefineProperty, sealObject, setAttributes, setAttributes, setAttributes, setGetterOrSetter, setParentScope, setPrototype

Methods inherited from class java.lang.Object

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

Constructor Detail

NativeArray

public NativeArray(long lengthArg)

NativeArray

public NativeArray(Object[] array)

Method Detail

getClassName

public String getClassName()

Description copied from class: ScriptableObject

Return the name of the class. This is typically the same name as the constructor. Classes extending ScriptableObject must implement this abstract method.

Specified by:

getClassName in interface Scriptable

Specified by:

getClassName in class ScriptableObject

getMaxInstanceId

protected int getMaxInstanceId()

Description copied from class: IdScriptableObject

Get maximum id findInstanceIdInfo can generate.

Overrides:

getMaxInstanceId in class IdScriptableObject

findInstanceIdInfo

protected int findInstanceIdInfo(String s)

Description copied from class: IdScriptableObject

Map name to id of instance property. Should return 0 if not found or the result of IdScriptableObject.instanceIdInfo(int, int).

Overrides:

findInstanceIdInfo in class IdScriptableObject

getInstanceIdName

protected String getInstanceIdName(int id)

Description copied from class: IdScriptableObject

Map id back to property name it defines.

Overrides:

getInstanceIdName in class IdScriptableObject

getInstanceIdValue

protected Object getInstanceIdValue(int id)

Description copied from class: IdScriptableObject

Get id value. If id value is constant, descendant can call cacheIdValue to store value in the permanent cache. Default implementation creates IdFunctionObject instance for given id and cache its value

Overrides:

getInstanceIdValue in class IdScriptableObject

setInstanceIdValue

protected void setInstanceIdValue(int id,
                      Object value)

Description copied from class: IdScriptableObject

Set or delete id value. If value == NOT_FOUND , the implementation should make sure that the following getInstanceIdValue return NOT_FOUND.

Overrides:

setInstanceIdValue in class IdScriptableObject

fillConstructorProperties

protected void fillConstructorProperties(IdFunctionObject ctor)

Overrides:

fillConstructorProperties in class IdScriptableObject

initPrototypeId

protected void initPrototypeId(int id)

Overrides:

initPrototypeId in class IdScriptableObject

execIdCall

public Object execIdCall(IdFunctionObject f,
                Context cx,
                Scriptable scope,
                Scriptable thisObj,
                Object[] args)

Description copied from class: IdScriptableObject

'thisObj' will be null if invoked as constructor, in which case instance of Scriptable should be returned.

Specified by:

execIdCall in interface IdFunctionCall

Overrides:

execIdCall in class IdScriptableObject

get

public Object get(int index,
         Scriptable start)

Description copied from class: ScriptableObject

Returns the value of the indexed property or NOT_FOUND.

Specified by:

get in interface Scriptable

Overrides:

get in class ScriptableObject

Parameters:

index - the numeric index for the property

start - the object in which the lookup began

Returns:

the value of the property (may be null), or NOT_FOUND

See Also:

Scriptable.get(String,Scriptable)

has

public boolean has(int index,
          Scriptable start)

Description copied from class: ScriptableObject

Returns true if the property index is defined.

Specified by:

has in interface Scriptable

Overrides:

has in class ScriptableObject

Parameters:

index - the numeric index for the property

start - the object in which the lookup began

Returns:

true if and only if the property was found in the object

See Also:

Scriptable.get(int, Scriptable), ScriptableObject.getProperty(Scriptable, int)

put

public void put(String id,
       Scriptable start,
       Object value)

Description copied from class: ScriptableObject

Sets the value of the named property, creating it if need be. If the property was created using defineProperty, the appropriate setter method is called.

If the property's attributes include READONLY, no action is taken. This method will actually set the property in the start object.

Specified by:

put in interface Scriptable

Overrides:

put in class IdScriptableObject

Parameters:

id - the name of the property

start - the object whose property is being set

value - value to set the property to

See Also:

Scriptable.has(String, Scriptable), Scriptable.get(String, Scriptable), ScriptableObject.putProperty(Scriptable, String, Object), Context.toObject(Object, Scriptable)

put

public void put(int index,
       Scriptable start,
       Object value)

Description copied from class: ScriptableObject

Sets the value of the indexed property, creating it if need be.

Specified by:

put in interface Scriptable

Overrides:

put in class ScriptableObject

Parameters:

index - the numeric index for the property

start - the object whose property is being set

value - value to set the property to

See Also:

Scriptable.has(int, Scriptable), Scriptable.get(int, Scriptable), ScriptableObject.putProperty(Scriptable, int, Object), Context.toObject(Object, Scriptable)

delete

public void delete(int index)

Description copied from class: ScriptableObject

Removes the indexed property from the object. If the property is not found, or it has the PERMANENT attribute, no action is taken.

Specified by:

delete in interface Scriptable

Overrides:

delete in class ScriptableObject

Parameters:

index - the numeric index for the property

See Also:

Scriptable.get(int, Scriptable), ScriptableObject.deleteProperty(Scriptable, int)

getIds

public Object[] getIds()

Description copied from class: ScriptableObject

Returns an array of ids for the properties of the object.

Any properties with the attribute DONTENUM are not listed.

Specified by:

getIds in interface Scriptable

Overrides:

getIds in class ScriptableObject

Returns:

an array of java.lang.Objects with an entry for every listed property. Properties accessed via an integer index will have a corresponding Integer entry in the returned array. Properties accessed by a String will have a String entry in the returned array.

getDefaultValue

public Object getDefaultValue(Class<?> hint)

Description copied from class: ScriptableObject

Implements the [[DefaultValue]] internal method.

Note that the toPrimitive conversion is a no-op for every type other than Object, for which [[DefaultValue]] is called. See ECMA 9.1.

A hint of null means "no hint".

Specified by:

getDefaultValue in interface Scriptable

Overrides:

getDefaultValue in class ScriptableObject

Parameters:

hint - the type hint

Returns:

the default value for the object See ECMA 8.6.2.6.

getLength

public long getLength()

jsGet_length

public long jsGet_length()

Deprecated. Use getLength() instead.

findPrototypeId

protected int findPrototypeId(String s)

Overrides:

findPrototypeId in class IdScriptableObject