Module org.freedesktop.dbus
Package org.freedesktop.dbus.types

Class Variant<T>

java.lang.Object
org.freedesktop.dbus.types.Variant<T>
public class Variant<T> extends Object
A Wrapper class for Variant values. A method on DBus can send or receive a Variant. This will wrap another value whose type is determined at runtime. The Variant may be parameterized to restrict the types it may accept.

  • Constructor Details

    • Variant

      public Variant(T _value) throws IllegalArgumentException
      Create a Variant from a basic type object.
      Parameters:
      _value - The wrapped value.
      Throws:
      IllegalArgumentException - If you try and wrap Null or an object of a non-basic type.

    • Variant

      public Variant(T _value, Type _type) throws IllegalArgumentException
      Create a Variant.
      Parameters:
      _value - The wrapped value.
      _type - The explicit type of the value.
      Throws:
      IllegalArgumentException - If you try and wrap Null or an object which cannot be sent over DBus.

    • Variant

      public Variant(T _value, String _sig) throws IllegalArgumentException
      Create a Variant.
      Parameters:
      _value - The wrapped value.
      _sig - The explicit type of the value, as a dbus type string.
      Throws:
      IllegalArgumentException - If you try and wrap Null or an object which cannot be sent over DBus.

  • Method Details

    • getValue

      public T getValue()
      Return the wrapped value.
      Returns:
      value

    • getType

      public Type getType()
      Return the type of the wrapped value.
      Returns:
      type

    • getSig

      public String getSig()
      Return the dbus signature of the wrapped value.
      Returns:
      signature

    • toString

      public String toString()
      Format the Variant as a string.
      Overrides:
      toString in class Object

    • equals

      public boolean equals(Object other)
      Compare this Variant with another by comparing contents.
      Overrides:
      equals in class Object
      Parameters:
      other - other object
      Returns:
      boolean