de.intarsys.tools.reflect

Class ClassTools

java.lang.Object

de.intarsys.tools.reflect.ClassTools

public class ClassTools
extends java.lang.Object

Tool class to enhance the reflective capabilities about classes.

Method Summary

Modifier and Type	Method and Description
static java.util.List	collectClasses(java.lang.String classPath) Create a list of all classes that are available from classPath.
static java.util.List	collectClassNames(java.lang.String classPath) Create a list of class names in dot notation that can be found in the classPath.
static <T> java.lang.Class<T>	createClass(java.lang.String className, java.lang.Class<T> expectedClass, java.lang.ClassLoader classLoader)
static java.lang.ClassLoader	createClassLoader(java.lang.String classPath) Create a new ClassLoader on the specified classpath
protected static void	extractClassNamesFromDir(java.util.List result, java.io.File currentFile, java.lang.String relativePath) Create a list of all classes "current" and its subdirectories.
protected static void	extractClassNamesFromJar(java.util.List result, java.io.File file) Create a list of all ".class" entries in the jar file.
static java.lang.String	getPackageName(java.lang.Class clazz)
static java.lang.String	getUnqualifiedName(java.lang.Class clazz)

Methods inherited from class java.lang.Object

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

Method Detail

collectClasses

public static java.util.List collectClasses(java.lang.String classPath)
                                     throws java.io.IOException

Create a list of all classes that are available from classPath.

Be aware that the classes are loaded and so any static code is executed.

Parameters:

classPath - The classpath to inspect

Returns:

A list of all classes that are available from classPath.

Throws:

java.io.IOException

collectClassNames

public static java.util.List collectClassNames(java.lang.String classPath)
                                        throws java.io.IOException

Create a list of class names in dot notation that can be found in the classPath.

Parameters:

classPath - The classpath to inspect

Returns:

A list of class names in dot notation that can be found in the classPath.

Throws:

java.io.IOException

createClass

public static <T> java.lang.Class<T> createClass(java.lang.String className,
                                                 java.lang.Class<T> expectedClass,
                                                 java.lang.ClassLoader classLoader)
                                          throws ObjectCreationException

Throws:

ObjectCreationException

createClassLoader

public static java.lang.ClassLoader createClassLoader(java.lang.String classPath)

Create a new ClassLoader on the specified classpath

Parameters:

classPath - The classpath we want to load from.

Returns:

A new ClassLoader on the specified classpath

extractClassNamesFromDir

protected static void extractClassNamesFromDir(java.util.List result,
                                               java.io.File currentFile,
                                               java.lang.String relativePath)
                                        throws java.io.IOException

Create a list of all classes "current" and its subdirectories.

Parameters:

result - The collection that is filled with new classnames

currentFile - The directory/file under inspection

relativePath - The path extending from the initial root we are currently inspecting.

Throws:

java.io.IOException

extractClassNamesFromJar

protected static void extractClassNamesFromJar(java.util.List result,
                                               java.io.File file)
                                        throws java.io.IOException

Create a list of all ".class" entries in the jar file.

Parameters:

result - The collection that is filled with new classnames

file - The jar file we are inspecting.

Throws:

java.io.IOException

getPackageName

public static java.lang.String getPackageName(java.lang.Class clazz)

getUnqualifiedName

public static java.lang.String getUnqualifiedName(java.lang.Class clazz)