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Definer (Apache Ant API)

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org.apache.tools.ant.taskdefs
Class Definer


java.lang.Object

  |

  +--org.apache.tools.ant.ProjectComponent

        |

        +--org.apache.tools.ant.Task

              |

              +--org.apache.tools.ant.taskdefs.Definer

Direct Known Subclasses:: Taskdef, Typedef

public abstract class Definer
extends Task

Base class for Taskdef and Typedef - does all the classpath handling and and class loading.

Since:: Ant 1.4
Author:: Costin Manolache

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

Definer()


Method Summary

protected abstract void addDefinition(java.lang.String name, java.lang.Class c)
          this must be implemented by subclasses; it is the callback they will get to add a new definition of their type

Path createClasspath()
          Create the classpath to be used when searching for component being defined

void execute()
          Called by the project to let the task do its work.

java.lang.String getClassname()
          what is the classname we are definining? Can be null

void setClassname(java.lang.String v)
          the full class name of the object being defined.

void setClasspath(Path classpath)
          Set the classpath to be used when searching for component being defined

void setClasspathRef(Reference r)
          reference to a classpath to use when loading the files.

void setFile(java.io.File file)
          Name of the property file to load ant name/classname pairs from.

void setLoaderRef(Reference r)
          Use the reference to locate the loader.

void setName(java.lang.String name)
          Name of the property resource to load ant name/classname pairs from.

void setResource(java.lang.String res)
          Name of the property resource to load ant name/classname pairs from.

void setReverseLoader(boolean reverseLoader)
          Deprecated. stop using this attribute

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

getDescription, getLocation, getOwningTarget, getRuntimeConfigurableWrapper, getTaskName, handleErrorOutput, 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

Definer


public Definer()

Method Detail

setReverseLoader


public void setReverseLoader(boolean reverseLoader)

Deprecated. stop using this attribute

setClasspath


public void setClasspath(Path classpath)

Set the classpath to be used when searching for component being defined

Parameters:: classpath - an Ant Path object containing the classpath.

createClasspath


public Path createClasspath()

Create the classpath to be used when searching for component being defined

setClasspathRef


public void setClasspathRef(Reference r)

reference to a classpath to use when loading the files. To actually share the same loader, set loaderref as well

setLoaderRef


public void setLoaderRef(Reference r)

Use the reference to locate the loader. If the loader is not found, taskdef will use the specified classpath and register it with the specified name. This allow multiple taskdef/typedef to use the same class loader, so they can be used together. It eliminate the need to put them in the CLASSPATH.

Since:: Ant 1.5

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

setFile


public void setFile(java.io.File file)

Name of the property file to load ant name/classname pairs from.

setResource


public void setResource(java.lang.String res)

Name of the property resource to load ant name/classname pairs from.

setName


public void setName(java.lang.String name)