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## net.sf.antcontrib.logic
Class AntCallBack

    java.lang.Object
      |
      +--org.apache.tools.ant.ProjectComponent
            |
            +--org.apache.tools.ant.Task
                  |
                  +--net.sf.antcontrib.logic.AntCallBack

public class AntCallBack
extends org.apache.tools.ant.Task

Identical (copy and paste, even) to the 'Ant' task, with the exception that properties from the new project can be copied back into the original project. Further modified to emulate "antcall". Build a sub-project.

      <target name="foo" depends="init">
        <ant antfile="build.xml" target="bar" >
          <property name="property1" value="aaaaa" />
          <property name="foo" value="baz" />
        </ant> </target> <target name="bar"
     depends="init"> <echo message="prop is ${property1}
     ${foo}" /> </target>

Developed for use with Antelope, migrated to ant-contrib Oct 2003.

Credit to Costin for the original <ant> task, on which this is based.

Since:
  Ant 1.1
Author:
  costin@dnt.ro, Dale Anson, danson@germane-software.com

Nested Class Summary
`static class` | `AntCallBack.Reference` Helper class that implements the nested <reference> element of <ant> and <antcall>.

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
`AntCallBack()`

Method Summary
`void` | `addReference(AntCallBack.Reference r)` Reference element identifying a data type to carry over to the new project.
`org.apache.tools.ant.taskdefs.Property` | `createParam()` Property to pass to the invoked target.
`org.apache.tools.ant.taskdefs.Property` | `createProperty()` Property to pass to the new project.
`void` | `execute()` Do the execution.
`protected void` | `handleErrorOutput(java.lang.String line)` Pass output sent to System.err to the new project.
`protected void` | `handleOutput(java.lang.String line)` Pass output sent to System.out to the new project.
`void` | `init()` Creates a Project instance for the project to call.
`void` | `setAntfile(java.lang.String s)` The build file to use.
`void` | `setDir(java.io.File d)` The directory to use as a base directory for the new Ant project.
`void` | `setInheritAll(boolean value)` If true, pass all properties to the new Ant project.
`void` | `setInheritRefs(boolean value)` If true, pass all references to the new Ant project.
`void` | `setOutput(java.lang.String s)` Filename to write the output to.
`void` | `setReturn(java.lang.String r)` Set the property or properties that are set in the new project to be transfered back to the original project.
`void` | `setTarget(java.lang.String s)` The target of the new Ant project to execute.

Methods inherited from class org.apache.tools.ant.Task
`getDescription, getLocation, getOwningTarget, getRuntimeConfigurableWrapper, getTaskName, handleErrorFlush, handleFlush, 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

### AntCallBack

    public AntCallBack()

Method Detail

### setInheritAll

    public void setInheritAll(boolean value)

  If true, pass all properties to the new Ant project. Defaults to true.

  Parameters:
    `value` - The new inheritAll value

### setInheritRefs

    public void setInheritRefs(boolean value)

  If true, pass all references to the new Ant project. Defaults to false.

  Parameters:
    `value` - The new inheritRefs value

### init

    public void init()

  Creates a Project instance for the project to call.

  Overrides:
    `init` in class `org.apache.tools.ant.Task`

### handleOutput

    protected void handleOutput(java.lang.String line)

  Pass output sent to System.out to the new project.

  Overrides:
    `handleOutput` in class `org.apache.tools.ant.Task`
  Parameters:
    `line` - Description of the Parameter
  Since:
    Ant 1.5

### handleErrorOutput

    protected void handleErrorOutput(java.lang.String line)

  Pass output sent to System.err to the new project.

  Overrides:
    `handleErrorOutput` in class `org.apache.tools.ant.Task`
  Parameters:
    `line` - Description of the Parameter
  Since:
    Ant 1.5

### execute

    public void execute()
                 throws org.apache.tools.ant.BuildException

  Do the execution.

  Overrides:
    `execute` in class `org.apache.tools.ant.Task`
  Throws:
    `org.apache.tools.ant.BuildException` - Description of the Exception

### setDir

    public void setDir(java.io.File d)

  The directory to use as a base directory for the new Ant project. Defaults to the current project's basedir, unless inheritall has been set to false, in which case it doesn't have a default value. This will override the basedir setting of the called project.

  Parameters:
    `d` - The new dir value

### setAntfile

    public void setAntfile(java.lang.String s)

  The build file to use. Defaults to "build.xml". This file is expected to be a filename relative to the dir attribute given.

  Parameters:
    `s` - The new antfile value

### setTarget

    public void setTarget(java.lang.String s)

  The target of the new Ant project to execute. Defaults to the new project's default target.

  Parameters:
    `s` - The new target value

### setOutput

    public void setOutput(java.lang.String s)

  Filename to write the output to. This is relative to the value of the dir attribute if it has been set or to the base directory of the current project otherwise.

  Parameters:
    `s` - The new output value

### createProperty

    public org.apache.tools.ant.taskdefs.Property createProperty()

  Property to pass to the new project. The property is passed as a 'user property'

  Returns:
    Description of the Return Value

### createParam

    public org.apache.tools.ant.taskdefs.Property createParam()

  Property to pass to the invoked target.

### setReturn

    public void setReturn(java.lang.String r)

  Set the property or properties that are set in the new project to be transfered back to the original project. As with all properties, if the property already exists in the original project, it will not be overridden by a different value from the new project.

  Parameters:
    `r` - the name of a property in the new project to set in the original project. This may be a comma separate list of properties.

### addReference

    public void addReference(AntCallBack.Reference r)

  Reference element identifying a data type to carry over to the new project.

  Parameters:
    `r` - The feature to be added to the Reference attribute

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