org.apache.jdo.impl.enhancer
Class ClassArgMain

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

Direct Known Subclasses:

Disassembler, JdoMetaMain

public class ClassArgMain

extends GenericMain

Base class for JDO command line enhancer and tests.

Author:

Martin Zaun

Field Summary

protected PathResourceLocator	classes The locator for classes.
protected ClassArgOptions	options The options and arguments.

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

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

ClassArgMain(java.io.PrintWriter out, java.io.PrintWriter err, ClassArgOptions options)
Creates an instance.

Method Summary

protected void	closeInputStream(java.io.InputStream in) Closes an input stream.
protected static java.lang.String	getClassFileName(java.lang.String className) Returns the file name for a class name.
protected void	init() Initializes all components.
protected void	initClassLocator() Initializes the class locator.
static void	main(java.lang.String[] args) Runs this class
protected java.io.InputStream	openClassInputStream(java.lang.String className) Opens an input stream for the given classname.
protected java.io.InputStream	openFileInputStream(java.lang.String fileName) Opens an input stream for the given filename

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

flush, print, println, println, printlnErr, printlnErr, printlnErr, printlnErr, process, 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 ClassArgOptions options

The options and arguments.

classes

protected PathResourceLocator classes

The locator for classes.

Constructor Detail

ClassArgMain

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

Creates an instance.

ClassArgMain

public ClassArgMain(java.io.PrintWriter out,
                    java.io.PrintWriter err,
                    ClassArgOptions options)

Creates an instance.

Method Detail

initClassLocator

protected void initClassLocator()
                         throws java.io.IOException

Initializes the class locator.

Throws:

java.io.IOException

init

protected void init()
             throws EnhancerFatalError,
                    EnhancerUserException

Initializes all components.

Overrides:

init in class GenericMain

Throws:

EnhancerFatalError

EnhancerUserException

getClassFileName

protected static java.lang.String getClassFileName(java.lang.String className)

Returns the file name for a class name. This is done by replacing '.' by '/'.

Parameters:

className - the classname

Returns:

the filename

openFileInputStream

protected java.io.InputStream openFileInputStream(java.lang.String fileName)
                                           throws java.io.FileNotFoundException

Opens an input stream for the given filename

Parameters:

fileName - the name of the file

Returns:

the input stream

Throws:

java.io.FileNotFoundException - if the file could not be found

openClassInputStream

protected java.io.InputStream openClassInputStream(java.lang.String className)
                                            throws java.io.IOException

Opens an input stream for the given classname. The input stream is created via an URL that is obtained by the value of the sourcepath option and zip/jar file arguments.

Parameters:

className - the name of the class (dot-notation)

Returns:

the input stream

Throws:

java.io.IOException - if an I/O error occured

closeInputStream

protected void closeInputStream(java.io.InputStream in)

Closes an input stream.

Parameters:

in - the input stream

main

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

Runs this class