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

    java.lang.Object
      org.apache.tools.ant.ProjectComponent
          org.apache.tools.ant.Task
              org.apache.tools.ant.taskdefs.Definer
                  org.apache.tools.ant.taskdefs.Typedef

public class Typedef
extends Definer

Adds a data type definition to the current project. Two attributes are needed, the name that identifies this data type uniquely, and the full name of the class (including the packages) that implements this type.

You can also define a group of data types at once using the file or resource attributes. These attributes point to files in the format of Java property files. Each line defines a single data type in the format:

     typename=fully.qualified.java.classname

Typedef should be used to add your own types to the system. Data types are things likepaths or filesets that can be defined at the project level and referenced via their ID attribute.

Custom data types usually need custom tasks to put them to good use.

Since:
  Ant 1.4
Author:
  Stefan Bodewig

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
`Typedef()`

Method Summary
`protected void` | `addDefinition(java.lang.String name, java.lang.Class c)` implement abstract callback of parent class

Methods inherited from class org.apache.tools.ant.taskdefs.Definer
`createClasspath, execute, getClassname, setClassname, setClasspath, setClasspathRef, setFile, setLoaderRef, setName, setResource, setReverseLoader`

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

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

### Typedef

    public Typedef()

Method Detail

### addDefinition

    protected void addDefinition(java.lang.String name,
                                 java.lang.Class c)
                          throws BuildException

  implement abstract callback of parent class

  Specified by:
    `addDefinition` in class `Definer`
  Throws:
    `BuildException`

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