org.apache.tools.ant.taskdefs.optional.unix

## Class Chgrp

- java.lang.Object
- - org.apache.tools.ant.ProjectComponent
  - - org.apache.tools.ant.Task
    - - org.apache.tools.ant.taskdefs.ExecTask
      - - org.apache.tools.ant.taskdefs.ExecuteOn
        - - org.apache.tools.ant.taskdefs.optional.unix.AbstractAccessTask
          - - org.apache.tools.ant.taskdefs.optional.unix.Chgrp

- All Implemented Interfaces:
    java.lang.Cloneable

      public class Chgrp
      extends AbstractAccessTask

  Chgrp equivalent for unix-like environments.
  Since:
    Ant 1.6

- - ### Nested Class Summary

    - ### Nested classes/interfaces inherited from class org.apache.tools.ant.taskdefs.ExecuteOn

      `ExecuteOn.FileDirBoth`

  - ### Field Summary

    - ### Fields inherited from class org.apache.tools.ant.taskdefs.ExecuteOn

      `destDir, filesets, mapper, mapperElement, srcFilePos, srcIsFirst, targetFilePos, type`

    - ### Fields inherited from class org.apache.tools.ant.taskdefs.ExecTask

      `cmdl, failOnError, newEnvironment, redirector, redirectorElement`

    - ### 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 and Description
    `Chgrp()` Chgrp task for setting unix group of a file.

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `protected void` | `checkConfiguration()` Ensure that all the required arguments and other conditions have been set.
    `void` | `setExecutable(java.lang.String e)` We don't want to expose the executable attribute, so override it.
    `void` | `setGroup(java.lang.String group)` Set the group attribute.

    - ### Methods inherited from class org.apache.tools.ant.taskdefs.optional.unix.AbstractAccessTask

      `isValidOs, setAddsourcefile, setCommand, setFile, setSkipEmptyFilesets`

    - ### Methods inherited from class org.apache.tools.ant.taskdefs.ExecuteOn

      `add, add, addDirset, addFilelist, addFileset, createHandler, createMapper, createSrcfile, createTargetfile, getCommandline, getCommandline, getDirs, getFiles, getFilesAndDirs, runExec, runParallel, setDest, setForce, setForwardslash, setIgnoremissing, setMaxParallel, setParallel, setRelative, setType, setupRedirector, setVerbose`

    - ### Methods inherited from class org.apache.tools.ant.taskdefs.ExecTask

      `addConfiguredRedirector, addEnv, createArg, createWatchdog, execute, getOs, getOsFamily, getResolveExecutable, logFlush, maybeSetResultPropertyValue, prepareExec, resolveExecutable, runExecute, setAppend, setDir, setError, setErrorProperty, setFailIfExecutionFails, setFailonerror, setInput, setInputString, setLogError, setNewenvironment, setOs, setOsFamily, setOutput, setOutputproperty, setResolveExecutable, setResultProperty, setSearchPath, setSpawn, setTimeout, setTimeout, setVMLauncher`

    - ### 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`

- - ### Constructor Detail

    - #### Chgrp

          public Chgrp()

      Chgrp task for setting unix group of a file.

  - ### Method Detail

    - #### setGroup

          public void setGroup(java.lang.String group)

      Set the group attribute.
      Parameters:
        `group` - The new group for the file(s) or directory(ies)

    - #### checkConfiguration

          protected void checkConfiguration()

      Ensure that all the required arguments and other conditions have been set.
      Overrides:
        `checkConfiguration` in class `ExecuteOn`

    - #### setExecutable

          public void setExecutable(java.lang.String e)

      We don't want to expose the executable attribute, so override it.
      Overrides:
        `setExecutable` in class `ExecTask`
      Parameters:
        `e` - User supplied executable that we won't accept.