Class Environment
- java.lang.Object
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- org.mozilla.javascript.ScriptableObject
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- org.mozilla.javascript.tools.shell.Environment
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- All Implemented Interfaces:
java.io.Serializable
,ConstProperties
,DebuggableObject
,Scriptable
public class Environment extends ScriptableObject
Environment, intended to be instantiated at global scope, provides a natural way to access System properties from JavaScript.- See Also:
- Serialized Form
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Field Summary
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Fields inherited from class org.mozilla.javascript.ScriptableObject
CONST, DONTENUM, EMPTY, PERMANENT, READONLY, UNINITIALIZED_CONST
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Fields inherited from interface org.mozilla.javascript.Scriptable
NOT_FOUND
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Constructor Summary
Constructors Constructor Description Environment()
Environment(ScriptableObject scope)
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description static void
defineClass(ScriptableObject scope)
java.lang.Object
get(java.lang.String name, Scriptable start)
Returns the value of the named property or NOT_FOUND.java.lang.Object[]
getAllIds()
Returns an array of ids for the properties of the object.java.lang.String
getClassName()
Return the name of the class.java.lang.Object[]
getIds()
Returns an array of ids for the properties of the object.boolean
has(java.lang.String name, Scriptable start)
Returns true if the named property is defined.void
put(java.lang.String name, Scriptable start, java.lang.Object value)
Sets the value of the named property, creating it if need be.-
Methods inherited from class org.mozilla.javascript.ScriptableObject
associateValue, avoidObjectDetection, callMethod, callMethod, defineClass, defineClass, defineClass, defineConst, defineConstProperty, defineFunctionProperties, defineOwnProperties, defineOwnProperty, defineProperty, defineProperty, defineProperty, defineProperty, delete, delete, deleteProperty, deleteProperty, get, get, getArrayPrototype, getAssociatedValue, getAttributes, getAttributes, getAttributes, getAttributes, getClassPrototype, getDefaultValue, getDefaultValue, getExternalArrayData, getExternalArrayLength, getFunctionPrototype, getGetterOrSetter, getObjectPrototype, getParentScope, getProperty, getProperty, getPropertyIds, getPrototype, getTopLevelScope, getTopScopeValue, getTypedProperty, getTypedProperty, getTypeOf, has, hasInstance, hasProperty, hasProperty, isConst, isEmpty, isExtensible, isSealed, preventExtensions, put, putConst, putConstProperty, putProperty, putProperty, redefineProperty, sealObject, setAttributes, setAttributes, setAttributes, setAttributes, setExternalArrayData, setGetterOrSetter, setParentScope, setPrototype, size
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Constructor Detail
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Environment
public Environment()
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Environment
public Environment(ScriptableObject scope)
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Method Detail
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defineClass
public static void defineClass(ScriptableObject scope)
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getClassName
public java.lang.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 interfaceScriptable
- Specified by:
getClassName
in classScriptableObject
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has
public boolean has(java.lang.String name, Scriptable start)
Description copied from class:ScriptableObject
Returns true if the named property is defined.- Specified by:
has
in interfaceScriptable
- Overrides:
has
in classScriptableObject
- Parameters:
name
- the name of the propertystart
- the object in which the lookup began- Returns:
- true if and only if the property was found in the object
- See Also:
Scriptable.get(String, Scriptable)
,ScriptableObject.getProperty(Scriptable, String)
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get
public java.lang.Object get(java.lang.String name, Scriptable start)
Description copied from class:ScriptableObject
Returns the value of the named property or NOT_FOUND. If the property was created using defineProperty, the appropriate getter method is called.- Specified by:
get
in interfaceScriptable
- Overrides:
get
in classScriptableObject
- Parameters:
name
- the name of the propertystart
- the object in which the lookup began- Returns:
- the value of the property (may be null), or NOT_FOUND
- See Also:
Context.getUndefinedValue()
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put
public void put(java.lang.String name, Scriptable start, java.lang.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 interfaceScriptable
- Overrides:
put
in classScriptableObject
- Parameters:
name
- the name of the propertystart
- the object whose property is being setvalue
- 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)
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getIds
public java.lang.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 interfaceScriptable
- Overrides:
getIds
in classScriptableObject
- 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.
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getAllIds
public java.lang.Object[] getAllIds()
Description copied from class:ScriptableObject
Returns an array of ids for the properties of the object.All properties, even those with attribute DONTENUM, are listed.
- Specified by:
getAllIds
in interfaceDebuggableObject
- Overrides:
getAllIds
in classScriptableObject
- 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.
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