Package de.intarsys.tools.reflect

Class ClassTools

  • public class ClassTools
extends java.lang.Object
    Tool class to enhance the reflective capabilities about classes.

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method 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)