Package org.apache.tools.ant.taskdefs

## Class Exec

- java.lang.Object
- - org.apache.tools.ant.ProjectComponent
  - - org.apache.tools.ant.Task
    - - org.apache.tools.ant.taskdefs.Exec

- All Implemented Interfaces:
    `java.lang.Cloneable`

      @Deprecated
      public class Exec
      extends Task

  Deprecated.
  since 1.2. delegate to `Execute` instead.
  Executes a given command if the os platform is appropriate.

  As of Ant 1.2, this class is no longer the implementation of Ant's <exec> task - it is considered to be dead code by the Ant developers and is unmaintained. Don't use it.

- - ### Field Summary

    Fields
    Modifier and Type | Field | Description
    --- | --- | ---
    `protected java.io.PrintWriter` | `fos` | Deprecated.

    - ### Fields inherited from class org.apache.tools.ant.Task

      `target, taskName, taskType, wrapper`

    - ### Fields inherited from class org.apache.tools.ant.ProjectComponent

      `description, location, project`

  - ### Constructor Summary

    Constructors
    Constructor | Description
    --- | ---
    `Exec()` | Deprecated. Constructor for Exec.

  - ### Method Summary

    All Methods Instance Methods Concrete Methods Deprecated Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `void` | `execute()` | Deprecated. Execute the task.
    `protected void` | `logFlush()` | Deprecated. Close output.
    `protected void` | `outputLog​(java.lang.String line, int messageLevel)` | Deprecated. Log an output message.
    `protected int` | `run​(java.lang.String command)` | Deprecated. Execute the command.
    `void` | `setCommand​(java.lang.String command)` | Deprecated. Set the command to exec.
    `void` | `setDir​(java.lang.String d)` | Deprecated. Set the directory.
    `void` | `setFailonerror​(boolean fail)` | Deprecated. Set the failOnError attribute.
    `void` | `setOs​(java.lang.String os)` | Deprecated. Set the Operating System that this exec is to run in.
    `void` | `setOutput​(java.lang.String out)` | Deprecated. Set the output filename.

    - ### Methods inherited from class org.apache.tools.ant.Task

      `bindToOwner, getOwningTarget, getRuntimeConfigurableWrapper, getTaskName, getTaskType, getWrapper, handleErrorFlush, handleErrorOutput, handleFlush, handleInput, handleOutput, init, isInvalid, log, log, log, log, maybeConfigure, perform, reconfigure, setOwningTarget, setRuntimeConfigurableWrapper, setTaskName, setTaskType`

    - ### Methods inherited from class org.apache.tools.ant.ProjectComponent

      `clone, getDescription, getLocation, getProject, setDescription, setLocation, setProject`

    - ### Methods inherited from class java.lang.Object

      `equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Field Detail

    - #### fos

          protected java.io.PrintWriter fos

      Deprecated.

  - ### Constructor Detail

    - #### Exec

          public Exec()

      Deprecated.
      Constructor for Exec. Prints a warning message to std error.

  - ### Method Detail

    - #### execute

          public void execute()
                       throws BuildException

      Deprecated.
      Execute the task.
      Overrides:
        `execute` in class `Task`
      Throws:
        `BuildException` - on error

    - #### run

          protected int run​(java.lang.String command)
                     throws BuildException

      Deprecated.
      Execute the command.
      Parameters:
        `command` - the command to exec
      Returns:
        the exit value of the command
      Throws:
        `BuildException` - on error

    - #### setDir

          public void setDir​(java.lang.String d)

      Deprecated.
      Set the directory.
      Parameters:
        `d` - a `String` value

    - #### setOs

          public void setOs​(java.lang.String os)

      Deprecated.
      Set the Operating System that this exec is to run in.
      Parameters:
        `os` - a `String` value

    - #### setCommand

          public void setCommand​(java.lang.String command)

      Deprecated.
      Set the command to exec.
      Parameters:
        `command` - a `String` value

    - #### setOutput

          public void setOutput​(java.lang.String out)

      Deprecated.
      Set the output filename.
      Parameters:
        `out` - a `String` value

    - #### setFailonerror

          public void setFailonerror​(boolean fail)

      Deprecated.
      Set the failOnError attribute. Default is false.
      Parameters:
        `fail` - a `boolean` value

    - #### outputLog

          protected void outputLog​(java.lang.String line,
                                   int messageLevel)

      Deprecated.
      Log an output message.
      Parameters:
        `line` - the line to putput
        `messageLevel` - the level of logging - ignored if output is going to a file

    - #### logFlush

          protected void logFlush()

      Deprecated.
      Close output.