LocalPropertyStack (Apache Ant API)
Description: declaration: package: org.apache.tools.ant.property, class: LocalPropertyStack

# Class LocalPropertyStack

java.lang.Object
org.apache.tools.ant.property.LocalPropertyStack

public class LocalPropertyStack extends Object
A stack of local property maps. There is a map for each scope (target, sequential, macro).

Since:
  Ant 1.8.0

- ## Constructor Summary

  Constructors
  Constructor
  Description
  `LocalPropertyStack()`

- ## Method Summary

  Modifier and Type
  Method
  Description
  `void`
  `addLocal(String property)`
  Add a local property.
  `LocalPropertyStack`
  `copy()`
  Copy the stack for a parallel thread.
  `void`
  `enterScope()`
  Enter the local scope.
  `Object`
  `evaluate(String property, PropertyHelper helper)`
  Evaluate a property.
  `void`
  `exitScope()`
  Exit the local scope.
  `Set<String>`
  `getPropertyNames()`
  Returns the names of all known local properties.
  `boolean`
  `set(String property, Object value, PropertyHelper propertyHelper)`
  Set a property.
  `boolean`
  `setNew(String property, Object value, PropertyHelper propertyHelper)`
  Set a *new" property.

  ### Methods inherited from class Object

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

- ## Constructor Details

  - ### LocalPropertyStack

    public LocalPropertyStack()

- ## Method Details

  - ### addLocal

    public void addLocal(String property)
    Add a local property.
    Parameters:
      `property` - the name of the local property.

  - ### enterScope

    public void enterScope()
    Enter the local scope.

  - ### exitScope

    public void exitScope()
    Exit the local scope.

  - ### copy

    public LocalPropertyStack copy()
    Copy the stack for a parallel thread.
    Returns:
      a copy.

  - ### evaluate

    public Object evaluate(String property, PropertyHelper helper)
    Evaluate a property.
    Parameters:
      `property` - the property's String "identifier".
      `helper` - the invoking PropertyHelper.
    Returns:
      Object value.

  - ### setNew

    public boolean setNew(String property, Object value, PropertyHelper propertyHelper)
    Set a *new" property.
    Parameters:
      `property` - the property's String "identifier".
      `value` - the value to set.
      `propertyHelper` - the invoking PropertyHelper.
    Returns:
      true if this entity 'owns' the property.

  - ### set

    public boolean set(String property, Object value, PropertyHelper propertyHelper)
    Set a property.
    Parameters:
      `property` - the property's String "identifier".
      `value` - the value to set.
      `propertyHelper` - the invoking PropertyHelper.
    Returns:
      true if this entity 'owns' the property.

  - ### getPropertyNames

    public Set<String> getPropertyNames()
    Returns the names of all known local properties.
    Returns:
      the names of all known local properties.
    Since:
      1.10.9