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Java 2 Platform SE v1.3.1: Class BooleanControl
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JavaTM 2 Platform
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javax.sound.sampled
Class BooleanControl

java.lang.Object
  |
  +--javax.sound.sampled.Control
        |
        +--javax.sound.sampled.BooleanControl
public abstract class BooleanControl
extends Control

A BooleanControl provides the ability to switch between two possible settings that affect a line's audio. The settings are boolean values (true and false). A graphical user interface might represent the control by a two-state button, an on/off switch, two mutually exclusive buttons, or a checkbox (among other possibilities). For example, depressing a button might activate a MUTE control to silence the line's audio.

As with other Control subclasses, a method is provided that returns string labels for the values, suitable for display in the user interface.

Since:
1.3

Inner Class Summary
static class BooleanControl.Type
          An instance of the BooleanControl.Type class identifies one kind of boolean control.
 
Inner classes inherited from class javax.sound.sampled.Control
Control.Type
 
Constructor Summary
protected BooleanControl(BooleanControl.Type type, boolean initialValue)
          Constructs a new boolean control object with the given parameters.
protected BooleanControl(BooleanControl.Type type, boolean initialValue, String trueStateLabel, String falseStateLabel)
          Constructs a new boolean control object with the given parameters.
 
Method Summary
 String getStateLabel(boolean state)
          Obtains the label for the specified state.
 boolean getValue()
          Obtains this control's current value.
 void setValue(boolean value)
          Sets the current value for the control.
 String toString()
          Provides a string representation of the control
 
Methods inherited from class javax.sound.sampled.Control
getType
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

BooleanControl

protected BooleanControl(BooleanControl.Type type,
                         boolean initialValue,
                         String trueStateLabel,
                         String falseStateLabel)
Constructs a new boolean control object with the given parameters.
Parameters:
the - type of control represented this float control object
initialValue - the initial control value
trueStateLabel - the label for the state represented by true, such as "true" or "on."
falseStateLabel - the label for the state represented by false, such as "false" or "off."

BooleanControl

protected BooleanControl(BooleanControl.Type type,
                         boolean initialValue)
Constructs a new boolean control object with the given parameters. The labels for the true and false states default to "true" and "false."
Parameters:
the - type of control represented by this float control object
initialValue - the initial control value
Method Detail

setValue

public void setValue(boolean value)
Sets the current value for the control. The default implementation simply sets the value as indicated.
Parameters:
value - desired new value.

getValue

public boolean getValue()
Obtains this control's current value.
Returns:
current value.

getStateLabel

public String getStateLabel(boolean state)
Obtains the label for the specified state.
Returns:
the label for the specified state, such as "true" or "on" for true, or "false" or "off" for false.

toString

public String toString()
Provides a string representation of the control
Overrides:
toString in class Control
Returns:
a string description
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For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

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