## org.apache.tools.ant.types
Class CommandlineJava.SysProperties

    java.lang.Object
      org.apache.tools.ant.types.Environment
          org.apache.tools.ant.types.CommandlineJava.SysProperties

All Implemented Interfaces:
  java.lang.Cloneable

Enclosing class:
  CommandlineJava

    public static class CommandlineJava.SysProperties

extends Environment
implements java.lang.Cloneable

Specialized Environment class for System properties.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.tools.ant.types.Environment
`Environment.Variable`

Field Summary

Fields inherited from class org.apache.tools.ant.types.Environment
`variables`

Constructor Summary
`CommandlineJava.SysProperties()`

Method Summary
`void` `addDefinitionsToList(java.util.ListIterator listIt)` Add all definitions (including property sets) to a list.
`void` `addSysproperties(CommandlineJava.SysProperties ps)` Add a propertyset to the total set.
`void` `addSyspropertyset(PropertySet ps)` Add a propertyset to the total set.
`java.lang.Object` `clone()` Create a deep clone.
`java.lang.String[]` `getVariables()` Get the properties as an array; this is an override of the superclass, as it evaluates all the properties.
`void` `restoreSystem()` Restore the system properties to the cached value.
`void` `setSystem()` Cache the system properties and set the system properties to the new values.
`int` `size()` Get the size of the sysproperties instance.

Methods inherited from class org.apache.tools.ant.types.Environment
`addVariable, getVariablesVector`

Methods inherited from class java.lang.Object
`equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### CommandlineJava.SysProperties

    public CommandlineJava.SysProperties()

Method Detail

### getVariables

    public java.lang.String[] getVariables()
                                    throws BuildException

  Get the properties as an array; this is an override of the superclass, as it evaluates all the properties.

  Overrides:
    `getVariables` in class `Environment`
  Returns:
    the array of definitions; may be null.
  Throws:
    `BuildException` - on error.

### addDefinitionsToList

    public void addDefinitionsToList(java.util.ListIterator listIt)

  Add all definitions (including property sets) to a list.

  Parameters:
    `listIt` - list iterator supporting add method.

### size

    public int size()

  Get the size of the sysproperties instance. This merges all property sets, so is not an O(1) operation.

  Returns:
    the size of the sysproperties instance.

### setSystem

    public void setSystem()
                   throws BuildException

  Cache the system properties and set the system properties to the new values.

  Throws:
    `BuildException` - if Security prevented this operation.

### restoreSystem

    public void restoreSystem()
                       throws BuildException

  Restore the system properties to the cached value.

  Throws:
    `BuildException` - if Security prevented this operation, or there were no system properties to restore.

### clone

    public java.lang.Object clone()
                           throws java.lang.CloneNotSupportedException

  Create a deep clone.

  Overrides:
    `clone` in class `java.lang.Object`
  Returns:
    a cloned instance of SysProperties.
  Throws:
    `java.lang.CloneNotSupportedException` - for signature.

### addSyspropertyset

    public void addSyspropertyset(PropertySet ps)

  Add a propertyset to the total set.

  Parameters:
    `ps` - the new property set.

### addSysproperties

    public void addSysproperties(CommandlineJava.SysProperties ps)

  Add a propertyset to the total set.

  Parameters:
    `ps` - the new property set.
  Since:
    Ant 1.6.3