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## org.apache.tools.ant.taskdefs.condition
Class Os

    java.lang.Object
      |
      +--org.apache.tools.ant.taskdefs.condition.Os

All Implemented Interfaces:
  Condition

public class Os
extends java.lang.Object
implements Condition

Condition that tests the OS type.

Since:
  Ant 1.4

Constructor Summary
`Os()` Default constructor
`Os(java.lang.String family)` Constructor that sets the family attribute

Method Summary
`boolean` | `eval()` Determines if the OS on which Ant is executing matches the type of that set in setFamily.
`static boolean` | `isArch(java.lang.String arch)` Determines if the OS on which Ant is executing matches the given OS architecture.
`static boolean` | `isFamily(java.lang.String family)` Determines if the OS on which Ant is executing matches the given OS family.
`static boolean` | `isName(java.lang.String name)` Determines if the OS on which Ant is executing matches the given OS name.
`static boolean` | `isOs(java.lang.String family, java.lang.String name, java.lang.String arch, java.lang.String version)` Determines if the OS on which Ant is executing matches the given OS family, name, architecture and version
`static boolean` | `isVersion(java.lang.String version)` Determines if the OS on which Ant is executing matches the given OS version.
`void` | `setArch(java.lang.String arch)` Sets the desired OS architecture
`void` | `setFamily(java.lang.String f)` Sets the desired OS family type
`void` | `setName(java.lang.String name)` Sets the desired OS name
`void` | `setVersion(java.lang.String version)` Sets the desired OS version

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

Constructor Detail

### Os

    public Os()

  Default constructor

### Os

    public Os(java.lang.String family)

  Constructor that sets the family attribute

Parameters:
  `family` - a String value

Method Detail

### setFamily

    public void setFamily(java.lang.String f)

  Sets the desired OS family type

  Parameters:
    `f` - The OS family type desired
    Possible values:
    - dos
    - mac
    - netware
    - os/2
    - tandem
    - unix
    - windows
    - win9x
    - z/os
    - os/400

### setName

    public void setName(java.lang.String name)

  Sets the desired OS name

  Parameters:
    `name` - The OS name

### setArch

    public void setArch(java.lang.String arch)

  Sets the desired OS architecture

  Parameters:
    `arch` - The OS architecture

### setVersion

    public void setVersion(java.lang.String version)

  Sets the desired OS version

  Parameters:
    `version` - The OS version

### eval

    public boolean eval()
                 throws BuildException

  Determines if the OS on which Ant is executing matches the type of that set in setFamily.

  Specified by:
    `eval` in interface `Condition`
  Returns:
    true if the condition is true
  Throws:
    `BuildException` - if an error occurs
  See Also:
    `setFamily(String)`

### isFamily

    public static boolean isFamily(java.lang.String family)

  Determines if the OS on which Ant is executing matches the given OS family.

  Parameters:
    `family` - the family to check for
  Returns:
    true if the OS matches
  Since:
    1.5

### isName

    public static boolean isName(java.lang.String name)

  Determines if the OS on which Ant is executing matches the given OS name.

  Parameters:
    `name` - the OS name to check for
  Returns:
    true if the OS matches
  Since:
    1.7

### isArch

    public static boolean isArch(java.lang.String arch)

  Determines if the OS on which Ant is executing matches the given OS architecture.

  Parameters:
    `arch` - the OS architecture to check for
  Returns:
    true if the OS matches
  Since:
    1.7

### isVersion

    public static boolean isVersion(java.lang.String version)

  Determines if the OS on which Ant is executing matches the given OS version.

  Parameters:
    `version` - the OS version to check for
  Returns:
    true if the OS matches
  Since:
    1.7

### isOs

    public static boolean isOs(java.lang.String family,
                               java.lang.String name,
                               java.lang.String arch,
                               java.lang.String version)

  Determines if the OS on which Ant is executing matches the given OS family, name, architecture and version

  Parameters:
    `family` - The OS family
    `name` - The OS name
    `arch` - The OS architecture
    `version` - The OS version
  Returns:
    true if the OS matches
  Since:
    1.7

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