org.apache.jdo.enhancer
Class EnhancerMain

java.lang.Object
  org.apache.jdo.impl.enhancer.util.Assertion
      org.apache.jdo.impl.enhancer.util.Support
          org.apache.jdo.impl.enhancer.LogSupport
              org.apache.jdo.impl.enhancer.GenericMain
                  org.apache.jdo.impl.enhancer.ClassArgMain
                      org.apache.jdo.impl.enhancer.JdoMetaMain
                          org.apache.jdo.enhancer.EnhancerMain

public class EnhancerMain

extends JdoMetaMain

JDO command line enhancer.

Author:

Martin Zaun

Field Summary

protected ClassFileEnhancer	enhancer The byte code enhancer.
protected EnhancerOptions	options The options and arguments.

Fields inherited from class org.apache.jdo.impl.enhancer.JdoMetaMain

jdoMeta

Fields inherited from class org.apache.jdo.impl.enhancer.ClassArgMain

classes

Fields inherited from class org.apache.jdo.impl.enhancer.GenericMain

err, INTERNAL_ERROR, OK, out, USAGE_ERROR, USER_EXCEPTION

Fields inherited from class org.apache.jdo.impl.enhancer.util.Support

timer

Constructor Summary

EnhancerMain(java.io.PrintWriter out, java.io.PrintWriter err)
Creates an instance.

EnhancerMain(java.io.PrintWriter out, java.io.PrintWriter err, EnhancerOptions options)
Creates an instance.

Method Summary

private void	closeOutputStream(java.io.OutputStream out) Closes an output stream.
private java.io.File	createArchiveOutputFile(java.lang.String archiveFileName) Creates a file object that represents the output archive file for a given archive file to enhance.
private void	createOutputFile(boolean enhanced, java.lang.String fileName, java.io.File temp) Creates the output file for an enhanced class- or archive file.
private void	enhanceArchiveFile(java.lang.String fileName) Enhances a archive file.
private void	enhanceClassFile(java.io.InputStream in) Enhances a classfile.
private int	enhanceInputFiles(java.util.List classNames, java.util.List classFileNames, java.util.List archiveFileNames) Enhances all files entered in the command line.
protected void	init() Initializes all components.
static void	main(java.lang.String[] args) Runs this class
protected int	process() Run the enhancer.

Methods inherited from class org.apache.jdo.impl.enhancer.JdoMetaMain

initJdoMetaData

Methods inherited from class org.apache.jdo.impl.enhancer.ClassArgMain

closeInputStream, getClassFileName, initClassLocator, openClassInputStream, openFileInputStream

Methods inherited from class org.apache.jdo.impl.enhancer.GenericMain

flush, print, println, println, printlnErr, printlnErr, printlnErr, printlnErr, run

Methods inherited from class org.apache.jdo.impl.enhancer.util.Support

getI18N, getI18N, getI18N, getI18N, getI18N, getI18N

Methods inherited from class org.apache.jdo.impl.enhancer.util.Assertion

affirm, affirm, affirm, affirm

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

options

protected EnhancerOptions options

The options and arguments.

enhancer

protected ClassFileEnhancer enhancer

The byte code enhancer.

Constructor Detail

EnhancerMain

public EnhancerMain(java.io.PrintWriter out,
                    java.io.PrintWriter err)

Creates an instance.

EnhancerMain

public EnhancerMain(java.io.PrintWriter out,
                    java.io.PrintWriter err,
                    EnhancerOptions options)

Creates an instance.

Method Detail

enhanceInputFiles

private int enhanceInputFiles(java.util.List classNames,
                              java.util.List classFileNames,
                              java.util.List archiveFileNames)

Enhances all files entered in the command line.

Parameters:

classNames - List of class names.

classFileNames - List of class file names.

archiveFileNames - List of archive file names.

enhanceClassFile

private void enhanceClassFile(java.io.InputStream in)
                       throws java.io.IOException,
                              EnhancerUserException,
                              EnhancerFatalError

Enhances a classfile.

Parameters:

in - The input stream of the classfile.

Throws:

java.io.IOException

EnhancerUserException

EnhancerFatalError

enhanceArchiveFile

private void enhanceArchiveFile(java.lang.String fileName)
                         throws java.io.IOException,
                                EnhancerUserException,
                                EnhancerFatalError

Enhances a archive file.

Parameters:

fileName - The filename of the archive file.

Throws:

java.io.IOException

EnhancerUserException

EnhancerFatalError

createArchiveOutputFile

private java.io.File createArchiveOutputFile(java.lang.String archiveFileName)

Creates a file object that represents the output archive file for a given archive file to enhance.

Parameters:

archiveFileName - the input archive file name

Returns:

the output archive file

createOutputFile

private void createOutputFile(boolean enhanced,
                              java.lang.String fileName,
                              java.io.File temp)
                       throws java.io.IOException

Creates the output file for an enhanced class- or archive file. If the enhanced file is written back depends on the command line options.

Parameters:

enhanced - Has the input file been enhanced?

fileName - The name of the output file.

temp - The temp file, the output is written to.

Throws:

java.io.IOException - If the file could not be created.

closeOutputStream

private void closeOutputStream(java.io.OutputStream out)

Closes an output stream.

Parameters:

out - the output stream

init

protected void init()
             throws EnhancerFatalError,
                    EnhancerUserException

Initializes all components.

Overrides:

init in class JdoMetaMain

Throws:

EnhancerFatalError

EnhancerUserException

process

protected int process()

Run the enhancer.

Overrides:

process in class GenericMain

main

public static void main(java.lang.String[] args)

Runs this class