de.jpdigital.maven.plugins.hibernate4ddl

Class EntityFinder

java.lang.Object

de.jpdigital.maven.plugins.hibernate4ddl.EntityFinder

final class EntityFinder
extends Object

Helper class for finding the entity classes. An instance of this class is created using the forPackage(MavenProject, Log, String) method.

Author:

Jens Pelzetter

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
private static class	EntityFinder.ClassLoaderCreator

Field Summary

Fields

Modifier and Type	Field and Description
private org.reflections.Reflections	reflections

Constructor Summary

Constructors

Modifier	Constructor and Description
private	EntityFinder(org.reflections.Reflections reflections)

Method Summary

Modifier and Type	Method and Description
private static URL	classPathElemToUrl(String classPathElem) Helper method for converting a fully qualified package name from the string representation to a a URL.
Set<Class<?>>	findEntities() Finds all entity classes in the package for which the instance of this class was created..
static EntityFinder	forPackage(org.apache.maven.project.MavenProject project, org.apache.maven.plugin.logging.Log log, String packageName) Creates an EntityFinder for the provided package.

Methods inherited from class java.lang.Object

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

Field Detail

reflections

private final transient org.reflections.Reflections reflections

Constructor Detail

EntityFinder

private EntityFinder(org.reflections.Reflections reflections)

Method Detail

forPackage

public static EntityFinder forPackage(org.apache.maven.project.MavenProject project,
                                      org.apache.maven.plugin.logging.Log log,
                                      String packageName)
                               throws org.apache.maven.plugin.MojoFailureException

Creates an EntityFinder for the provided package.

Parameters:

project - The Maven project in which the calling Mojo is executed. Can be null.

log - An Maven log object for creating output.

packageName - The name of the package in the class should look for entities.

Returns:

An EntityFinder instance.

Throws:

org.apache.maven.plugin.MojoFailureException - If the Reflections instance needed by the EntityFinder can't be created.

findEntities

public Set<Class<?>> findEntities()

Finds all entity classes in the package for which the instance of this class was created.. The entity classes must be annotated with the Entity annotation. The method uses the Reflections library for finding the entity classes.

Parameters:

packageName - The packages in which the entities are found.

entityClasses - A set in which the entity classes are stored.

Throws:

org.apache.maven.plugin.MojoFailureException - if something goes wrong in the method.

classPathElemToUrl

private static URL classPathElemToUrl(String classPathElem)
                               throws org.apache.maven.plugin.MojoFailureException

Helper method for converting a fully qualified package name from the string representation to a a URL.

Parameters:

classPathElem - The class path to convert.

Returns:

A URL for the package.

Throws:

org.apache.maven.plugin.MojoFailureException - If something goes wrong.