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MParse (Apache Ant API)

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org.apache.tools.ant.taskdefs.optional.metamata
Class MParse


java.lang.Object

  |

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

        |

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

              |

              +--org.apache.tools.ant.taskdefs.optional.metamata.MParse

public class MParse
extends Task

Simple Metamata MParse task. Based on the original written by Thomas Haas. This version was written for Metamata 2.0 available at http://www.metamata.com

Author:: Stephane Bailliez
To do:: make a subclass of AbstractMetaMataTask

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

MParse()


Method Summary

protected void _execute(ExecuteStreamHandler handler)
          execute the process with a specific handler

protected void checkOptions()
          validate options set and resolve files and paths

protected void cleanUp()
          clean up all the mess that we did with temporary objects

Path createClasspath()
          create a classpath entry

Commandline.Argument createJvmarg()
          Additional optional parameters to pass to the JVM.

Path createSourcepath()
          creates a sourcepath entry

protected ExecuteStreamHandler createStreamHandler()
          return the default stream handler for this task

protected static java.io.File createTmpFile()
          create a temporary file in the current directory

void execute()
          execute the command line

protected void generateOptionsFile(java.io.File tofile, java.lang.String[] options)
          write all options to a file with one option / line

protected java.io.File[] getMetamataLibs()
          return an array of files containing the path to the needed libraries to run metamata.

protected java.lang.String[] getOptions()
          return all options of the command line as string elements

void setCleanup(boolean value)
          Remove the intermediate Sun JavaCC file ; optional, default false.

void setDebugparser(boolean flag)
          set parser debug mode; optional, default false

void setDebugscanner(boolean flag)
          set scanner debug mode; optional, default false

void setMaxmemory(java.lang.String max)
          Set the maximum memory for the JVM; optional.

void setMetamatahome(java.io.File metamatahome)
          The home directory containing the Metamata distribution; required

void setTarget(java.io.File target)
          The .jj file to process; required.

protected void setUp()
          check the options and build the command line

void setVerbose(boolean flag)
          set verbose mode; optional, default false

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

MParse


public MParse()

Method Detail

setMetamatahome


public void setMetamatahome(java.io.File metamatahome)

The home directory containing the Metamata distribution; required

setTarget


public void setTarget(java.io.File target)

The .jj file to process; required.

createClasspath


public Path createClasspath()

create a classpath entry

createSourcepath


public Path createSourcepath()

creates a sourcepath entry

setVerbose


public void setVerbose(boolean flag)

set verbose mode; optional, default false

setDebugscanner


public void setDebugscanner(boolean flag)

set scanner debug mode; optional, default false

setDebugparser


public void setDebugparser(boolean flag)

set parser debug mode; optional, default false

setCleanup


public void setCleanup(boolean value)

Remove the intermediate Sun JavaCC file ; optional, default false.

createJvmarg


public Commandline.Argument createJvmarg()

Additional optional parameters to pass to the JVM.

setMaxmemory


public void setMaxmemory(java.lang.String max)

Set the maximum memory for the JVM; optional. -mx or -Xmx depending on VM version

execute


public void execute()
             throws BuildException

execute the command line

Overrides:: execute in class Task

Throws:: BuildException - if something goes wrong with the build

createStreamHandler


protected ExecuteStreamHandler createStreamHandler()

return the default stream handler for this task

setUp


protected void setUp()
              throws BuildException

check the options and build the command line

BuildException

_execute


protected void _execute(ExecuteStreamHandler handler)
                 throws BuildException

execute the process with a specific handler