ch.grengine.code

Class ClassNameConflictAnalyzer

java.lang.Object

ch.grengine.code.ClassNameConflictAnalyzer

public class ClassNameConflictAnalyzer
extends Object

Helper class for analyzing class name conflicts.

Can identify classes with the same name in different code layers or in code layers and a parent class loader.

Since:

1.0

Author:

Alain Stalder, Made in Switzerland.

Constructor Summary

Constructors

Constructor and Description
ClassNameConflictAnalyzer()

Method Summary

Modifier and Type	Method and Description
static Map<String,List<Code>>	getAllClassNamesMap(List<Code> codeLayers) gets a map of class name to a list of all Code layers that contain a class with that name.
static Map<String,List<Code>>	getSameClassNamesInMultipleCodeLayersMap(List<Code> codeLayers) gets a map of class name to a list of all Code layers that contain a class with that name, but only if the class name occurs more than once in the code layers.
static Map<String,List<Code>>	getSameClassNamesInParentAndCodeLayersMap(ClassLoader parent, List<Code> codeLayers) gets a map of class name to a list of all Code layers that contain a class with that name, but only if the class name occurs also in the given parent class loader.

Methods inherited from class java.lang.Object

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

Constructor Detail

ClassNameConflictAnalyzer

public ClassNameConflictAnalyzer()

Method Detail

getAllClassNamesMap

public static Map<String,List<Code>> getAllClassNamesMap(List<Code> codeLayers)

gets a map of class name to a list of all Code layers that contain a class with that name.

Parameters:

codeLayers - code layers

Returns:

map of class name to list of code layers

Throws:

NullPointerException - if code layers are null

Since:

1.0

getSameClassNamesInMultipleCodeLayersMap

public static Map<String,List<Code>> getSameClassNamesInMultipleCodeLayersMap(List<Code> codeLayers)

gets a map of class name to a list of all Code layers that contain a class with that name, but only if the class name occurs more than once in the code layers.

Parameters:

codeLayers - code layers

Returns:

map of class name to list of code layers

Throws:

NullPointerException - if code layers are null

Since:

1.0

getSameClassNamesInParentAndCodeLayersMap

public static Map<String,List<Code>> getSameClassNamesInParentAndCodeLayersMap(ClassLoader parent,
                                                                               List<Code> codeLayers)

gets a map of class name to a list of all Code layers that contain a class with that name, but only if the class name occurs also in the given parent class loader.

Note that this method tries to load all of these classes by name from the parent class loader.

Parameters:

parent - parent class loader

codeLayers - code layers

Returns:

map of class name to list of code layers

Throws:

NullPointerException - if the parent class loader or code layers are null

Since:

1.0