com.triactive.jdo.enhance
Class ReferenceEnhancer

java.lang.Object
  com.triactive.jdo.enhance.Enhancer
      com.triactive.jdo.enhance.ReferenceEnhancer

Direct Known Subclasses:

ApacheReferenceEnhancer, SunReferenceEnhancer

public abstract class ReferenceEnhancer

extends Enhancer

An implementation of Enhancer that wraps the JDO Reference Implementation enhancer. This class performs a minimal transformation on the command-line arguments and then invokes the reference enhancer. It works with either the old RI enhancer (com.sun.jdori) or the newer one (org.apache.jdo).

Author:

Mike Martin

Field Summary

protected java.lang.String	destDir
protected java.util.Collection	jdoFiles
protected java.lang.String	srcPath
protected boolean	verbose

Constructor Summary

ReferenceEnhancer()

Method Summary

protected int	callExternalEnhancer(java.lang.String[] classNames) Called by the superclass enhance() method to enhance a list of classes.
protected abstract int	callReferenceEnhancer(java.lang.String[] args) Called to invoke the underlying reference enhancer.
protected int	enhance(java.lang.String[] args) Runs the reference enhancer.

Methods inherited from class com.triactive.jdo.enhance.Enhancer

enhance, getOrderedClassNames, main, printList

Methods inherited from class java.lang.Object

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

Field Detail

srcPath

protected java.lang.String srcPath

destDir

protected java.lang.String destDir

verbose

protected boolean verbose

jdoFiles

protected java.util.Collection jdoFiles

Constructor Detail

ReferenceEnhancer

public ReferenceEnhancer()

Method Detail

enhance

protected int enhance(java.lang.String[] args)
               throws java.lang.Exception

Runs the reference enhancer. The args array is a list of command-line options and JDO metadata files.

Command-line options:

-l file

Writes a list of the enhanced class names to file. "-" writes to System.out.

-s path

Source path for .jdo and .class files. Defaults to destination directory.

-d dir

Destination directory for output files.

-v

Print verbose messages

Parameters:

args - A list of command-line options and JDO metadata files (*.jdo files).

Throws:

java.lang.Exception

callExternalEnhancer

protected int callExternalEnhancer(java.lang.String[] classNames)
                            throws java.lang.Exception

Called by the superclass enhance() method to enhance a list of classes. This juggles the selected options and the passed class names to produce a suitable list of string arguments for the reference enhancer, then invokes it.

Specified by:

callExternalEnhancer in class Enhancer

Parameters:

classNames - The list of class names to be enhanced.

Throws:

java.lang.Exception

callReferenceEnhancer

protected abstract int callReferenceEnhancer(java.lang.String[] args)
                                      throws java.lang.Exception

Called to invoke the underlying reference enhancer.

Parameters:

args - A list of command-line arguments to the reference enhancer.

Throws:

java.lang.Exception