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## org.apache.tools.ant.taskdefs
Class Sync

    java.lang.Object
      |
      +--org.apache.tools.ant.ProjectComponent
            |
            +--org.apache.tools.ant.Task
                  |
                  +--org.apache.tools.ant.taskdefs.Sync

public class Sync
extends Task

Synchronize a local target directory from the files defined in one or more filesets.

Uses a <copy> task internally, but forbidding the use of mappers and filter chains. Files of the destination directory not present in any of the source fileset are removed.

Since:
  Ant 1.6 revised by Dan Armbrust to remove orphaned directories.
Version:
  $Revision: 1.7.2.5 $

Nested Class Summary
`static class` | `Sync.MyCopy` Subclass Copy in order to access it's file/dir maps.

Field Summary

Fields inherited from class org.apache.tools.ant.Task
`description, location, target, taskName, taskType, wrapper`

Fields inherited from class org.apache.tools.ant.ProjectComponent
`project`

Constructor Summary
`Sync()`

Method Summary
`void` | `addFileset(FileSet set)` Adds a set of files to copy.
`void` | `execute()` Called by the project to let the task do its work.
`void` | `init()` Called by the project to let the task initialize properly.
`void` | `setFailOnError(boolean failonerror)` If false, note errors to the output but keep going.
`void` | `setGranularity(long granularity)` The number of milliseconds leeway to give before deciding a target is out of date.
`void` | `setIncludeEmptyDirs(boolean includeEmpty)` Used to copy empty directories.
`void` | `setOverwrite(boolean overwrite)` Overwrite any existing destination file(s).
`void` | `setTodir(java.io.File destDir)` Sets the destination directory.
`void` | `setVerbose(boolean verbose)` Used to force listing of all names of copied files.

Methods inherited from class org.apache.tools.ant.Task
`getDescription, getLocation, getOwningTarget, getRuntimeConfigurableWrapper, getTaskName, getTaskType, getWrapper, handleErrorFlush, handleErrorOutput, handleFlush, handleInput, handleOutput, isInvalid, log, log, maybeConfigure, perform, reconfigure, setDescription, setLocation, setOwningTarget, setRuntimeConfigurableWrapper, setTaskName, setTaskType`

Methods inherited from class org.apache.tools.ant.ProjectComponent
`getProject, setProject`

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

Constructor Detail

### Sync

    public Sync()

Method Detail

### init

    public void init()
              throws BuildException

  Description copied from class: `Task`
  Called by the project to let the task initialize properly. The default implementation is a no-op.

  Overrides:
    `init` in class `Task`
  Throws:
    `BuildException` - if something goes wrong with the build

### execute

    public void execute()
                 throws BuildException

  Description copied from class: `Task`
  Called by the project to let the task do its work. This method may be called more than once, if the task is invoked more than once. For example, if target1 and target2 both depend on target3, then running "ant target1 target2" will run all tasks in target3 twice.

  Overrides:
    `execute` in class `Task`
  Throws:
    `BuildException` - if something goes wrong with the build

### setTodir

    public void setTodir(java.io.File destDir)

  Sets the destination directory.

### setVerbose

    public void setVerbose(boolean verbose)

  Used to force listing of all names of copied files.

### setOverwrite

    public void setOverwrite(boolean overwrite)

  Overwrite any existing destination file(s).

### setIncludeEmptyDirs

    public void setIncludeEmptyDirs(boolean includeEmpty)

  Used to copy empty directories.

### setFailOnError

    public void setFailOnError(boolean failonerror)

  If false, note errors to the output but keep going.

  Parameters:
    `failonerror` - true or false

### addFileset

    public void addFileset(FileSet set)

  Adds a set of files to copy.

### setGranularity

    public void setGranularity(long granularity)

  The number of milliseconds leeway to give before deciding a target is out of date.

  Default is 0 milliseconds, or 2 seconds on DOS systems.

  Since:
    Ant 1.6.2

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