Package org.apache.tools.ant.taskdefs

# Class Filter

java.lang.Object
org.apache.tools.ant.ProjectComponent
org.apache.tools.ant.Task
org.apache.tools.ant.taskdefs.Filter

All Implemented Interfaces:
  `Cloneable`

public class Filter extends Task
Sets a token filter that is used by the file copy tasks to do token substitution. Sets multiple tokens by reading these from a file.

Since:
  Ant 1.1

## Field Summary

### 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
`Filter()`

## Method Summary

Modifier and Type
Method
Description
`void`
`execute()`
Execute the task.
`protected void`
`readFilters()`
Read the filters.
`void`
`setFiltersfile(File filtersFile)`
The file from which the filters must be read.
`void`
`setToken(String token)`
The token string without @ delimiters.
`void`
`setValue(String value)`
The string that should replace the token during filtered copies.

### 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 Details

### Filter

public Filter()

## Method Details

### setToken

public void setToken(String token)
The token string without @ delimiters.

Parameters:
  `token` - token to set

### setValue

public void setValue(String value)
The string that should replace the token during filtered copies.

Parameters:
  `value` - token replace value

### setFiltersfile

public void setFiltersfile(File filtersFile)
The file from which the filters must be read. This file must be a formatted as a property file.

Parameters:
  `filtersFile` - filter file

### execute

public void execute() throws BuildException
Execute the task.

Overrides:
  `execute` in class `Task`
Throws:
  `BuildException` - on error

### readFilters

protected void readFilters() throws BuildException
Read the filters.

Throws:
  `BuildException` - on error