org.freedesktop.dbus

Class Variant<T>

java.lang.Object

org.freedesktop.dbus.Variant<T>

public class Variant<T>
extends java.lang.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 Summary

Constructors

Constructor and Description
Variant(T o) Create a Variant from a basic type object.
Variant(T o, java.lang.String sig) Create a Variant.
Variant(T o, java.lang.reflect.Type type) Create a Variant.

Method Summary

Modifier and Type	Method and Description
boolean	equals(java.lang.Object other) Compare this Variant with another by comparing contents
java.lang.String	getSig() Return the dbus signature of the wrapped value.
java.lang.reflect.Type	getType() Return the type of the wrapped value.
T	getValue() Return the wrapped value.
java.lang.String	toString() Format the Variant as a string.

Methods inherited from class java.lang.Object

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

Constructor Detail

Variant

public Variant(T o)
        throws java.lang.IllegalArgumentException

Create a Variant from a basic type object.

Parameters:

o - The wrapped value.

Throws:

IllegalArugmentException - If you try and wrap Null or an object of a non-basic type.

java.lang.IllegalArgumentException

Variant

public Variant(T o,
               java.lang.reflect.Type type)
        throws java.lang.IllegalArgumentException

Create a Variant.

Parameters:

o - The wrapped value.

type - The explicit type of the value.

Throws:

IllegalArugmentException - If you try and wrap Null or an object which cannot be sent over DBus.

java.lang.IllegalArgumentException

Variant

public Variant(T o,
               java.lang.String sig)
        throws java.lang.IllegalArgumentException

Create a Variant.

Parameters:

o - The wrapped value.

sig - The explicit type of the value, as a dbus type string.

Throws:

IllegalArugmentException - If you try and wrap Null or an object which cannot be sent over DBus.

java.lang.IllegalArgumentException

Method Detail

getValue

public T getValue()

Return the wrapped value.

getType

public java.lang.reflect.Type getType()

Return the type of the wrapped value.

getSig

public java.lang.String getSig()

Return the dbus signature of the wrapped value.

toString

public java.lang.String toString()

Format the Variant as a string.

Overrides:

toString in class java.lang.Object

equals

public boolean equals(java.lang.Object other)

Compare this Variant with another by comparing contents

Overrides:

equals in class java.lang.Object