Apt (Apache Ant API)
Date: 2008-06-27

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

    java.lang.Object
      org.apache.tools.ant.ProjectComponent
          org.apache.tools.ant.Task
              org.apache.tools.ant.taskdefs.MatchingTask
                  org.apache.tools.ant.taskdefs.Javac
                      org.apache.tools.ant.taskdefs.Apt

All Implemented Interfaces:
  java.lang.Cloneable, SelectorContainer

    public class Apt

extends Javac

Apt Task for running the Annotation processing tool for JDK 1.5. It derives from the existing Javac task, and forces the compiler based on whether we're executing internally, or externally.

Since:
  Ant 1.7

Nested Class Summary
`static class` | `Apt.Option` The nested option element.

Nested classes/interfaces inherited from class org.apache.tools.ant.taskdefs.Javac
`Javac.ImplementationSpecificArgument`

Field Summary
`static java.lang.String` | `ERROR_IGNORING_COMPILER_OPTION` An warning message when ignoring compiler attribute.
`static java.lang.String` | `ERROR_WRONG_JAVA_VERSION` A warning message if used with java < 1.5.
`static java.lang.String` | `EXECUTABLE_NAME` The name of the apt tool.
`static java.lang.String` | `WARNING_IGNORING_FORK` exposed for debug messages

Fields inherited from class org.apache.tools.ant.taskdefs.Javac
`compileList, failOnError, listFiles`

Fields inherited from class org.apache.tools.ant.taskdefs.MatchingTask
`fileset`

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
`Apt()` Construtor for Apt task.

Method Summary
`Path` | `createFactoryPath()` Add a path to the factoryPath attribute.
`Apt.Option` | `createOption()` Create a nested option.
`void` | `execute()` Do the compilation.
`java.lang.String` | `getAptExecutable()` Get the name of the apt executable.
`java.lang.String` | `getCompiler()` Get the compiler class name.
`java.lang.String` | `getFactory()` Get the factory option for the apt compiler.
`Path` | `getFactoryPath()` Get the factory path attribute.
`java.util.Vector` | `getOptions()` Get the options to the compiler.
`java.io.File` | `getPreprocessDir()` Get the preprocessdir attribute.
`boolean` | `isCompile()` Get the compile option for the apt compiler.
`void` | `setCompile(boolean compile)` Set the compile option for the apt compiler.
`void` | `setCompiler(java.lang.String compiler)` Set the compiler.
`void` | `setFactory(java.lang.String factory)` Set the factory option for the apt compiler.
`void` | `setFactoryPathRef(Reference ref)` Add a reference to a path to the factoryPath attribute.
`void` | `setFork(boolean fork)` Set the fork attribute.
`void` | `setPreprocessDir(java.io.File preprocessDir)` Set the preprocessdir attribute.

Methods inherited from class org.apache.tools.ant.taskdefs.Javac
`checkParameters, compile, createBootclasspath, createClasspath, createCompilerArg, createExtdirs, createSourcepath, createSrc, getBootclasspath, getClasspath, getCompilerVersion, getCurrentCompilerArgs, getDebug, getDebugLevel, getDepend, getDeprecation, getDestdir, getEncoding, getExecutable, getExtdirs, getFailonerror, getFileList, getIncludeantruntime, getIncludejavaruntime, getJavacExecutable, getListfiles, getMemoryInitialSize, getMemoryMaximumSize, getNowarn, getOptimize, getSource, getSourcepath, getSrcdir, getSystemJavac, getTarget, getTaskSuccess, getTempdir, getVerbose, isForkedJavac, isIncludeDestClasses, isJdkCompiler, recreateSrc, resetFileLists, scanDir, setBootclasspath, setBootClasspathRef, setClasspath, setClasspathRef, setDebug, setDebugLevel, setDepend, setDeprecation, setDestdir, setEncoding, setErrorProperty, setExecutable, setExtdirs, setFailonerror, setIncludeantruntime, setIncludeDestClasses, setIncludejavaruntime, setListfiles, setMemoryInitialSize, setMemoryMaximumSize, setNowarn, setOptimize, setProceed, setSource, setSourcepath, setSourcepathRef, setSrcdir, setTarget, setTempdir, setUpdatedProperty, setVerbose`

Methods inherited from class org.apache.tools.ant.taskdefs.MatchingTask
`add, addAnd, addContains, addContainsRegexp, addCustom, addDate, addDepend, addDepth, addDifferent, addFilename, addMajority, addModified, addNone, addNot, addOr, addPresent, addSelector, addSize, addType, appendSelector, createExclude, createExcludesFile, createInclude, createIncludesFile, createPatternSet, getDirectoryScanner, getImplicitFileSet, getSelectors, hasSelectors, selectorCount, selectorElements, setCaseSensitive, setDefaultexcludes, setExcludes, setExcludesfile, setFollowSymlinks, setIncludes, setIncludesfile, setProject, XsetIgnore, XsetItems`

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`

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

Field Detail

### EXECUTABLE_NAME

    public static final java.lang.String EXECUTABLE_NAME

  The name of the apt tool.

  See Also:
    Constant Field Values

### ERROR_IGNORING_COMPILER_OPTION

    public static final java.lang.String ERROR_IGNORING_COMPILER_OPTION

  An warning message when ignoring compiler attribute.

  See Also:
    Constant Field Values

### ERROR_WRONG_JAVA_VERSION

    public static final java.lang.String ERROR_WRONG_JAVA_VERSION

  A warning message if used with java < 1.5.

  See Also:
    Constant Field Values

### WARNING_IGNORING_FORK

    public static final java.lang.String WARNING_IGNORING_FORK

  exposed for debug messages

  See Also:
    Constant Field Values

Constructor Detail

### Apt

    public Apt()

  Construtor for Apt task. This sets the apt compiler adapter as the compiler in the super class.

Method Detail

### getAptExecutable

    public java.lang.String getAptExecutable()

  Get the name of the apt executable.

  Returns:
    the name of the executable.

### setCompiler

    public void setCompiler(java.lang.String compiler)

  Set the compiler. This is not allowed and a warning log message is made.

  Overrides:
    `setCompiler` in class `Javac`
  Parameters:
    `compiler` - not used.

### setFork

    public void setFork(boolean fork)

  Set the fork attribute. Non-forking APT is highly classpath dependent and appears to be too brittle to work. The sole reason this attribute is retained is the superclass does it

  Overrides:
    `setFork` in class `Javac`
  Parameters:
    `fork` - if false; warn the option is ignored.

### getCompiler

    public java.lang.String getCompiler()

  Get the compiler class name.

  Overrides:
    `getCompiler` in class `Javac`
  Returns:
    the compiler class name.
  See Also:
    `Javac.getCompilerVersion()`

### isCompile

    public boolean isCompile()

  Get the compile option for the apt compiler. If this is false the "-nocompile" argument will be used.

  Returns:
    the value of the compile option.

### setCompile

    public void setCompile(boolean compile)

  Set the compile option for the apt compiler. Default value is true.

  Parameters:
    `compile` - if true set the compile option.

### getFactory

    public java.lang.String getFactory()

  Get the factory option for the apt compiler. If this is non-null the "-factory" argument will be used.

  Returns:
    the value of the factory option.

### setFactory

    public void setFactory(java.lang.String factory)

  Set the factory option for the apt compiler. Default value is null.

  Parameters:
    `factory` - the classname of the factory.

### setFactoryPathRef

    public void setFactoryPathRef(Reference ref)

  Add a reference to a path to the factoryPath attribute.

  Parameters:
    `ref` - a reference to a path.

### createFactoryPath

    public Path createFactoryPath()

  Add a path to the factoryPath attribute.

  Returns:
    a path to be configured.

### getFactoryPath

    public Path getFactoryPath()

  Get the factory path attribute. If this is not null, the "-factorypath" argument will be used. The default value is null.

  Returns:
    the factory path attribute.

### createOption

    public Apt.Option createOption()

  Create a nested option.

  Returns:
    an option to be configured.

### getOptions

    public java.util.Vector getOptions()

  Get the options to the compiler. Each option will use '"-E" name ["=" value]' argument.

  Returns:
    the options.

### getPreprocessDir

    public java.io.File getPreprocessDir()

  Get the preprocessdir attribute. This corresponds to the "-s" argument. The default value is null.

  Returns:
    the preprocessdir attribute.

### setPreprocessDir

    public void setPreprocessDir(java.io.File preprocessDir)

  Set the preprocessdir attribute.

  Parameters:
    `preprocessDir` - where to place processor generated source files.

### execute

    public void execute()
                 throws BuildException

  Do the compilation.

  Overrides:
    `execute` in class `Javac`
  Throws:
    `BuildException` - on error.

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