Package org.apache.hadoop.hbase

Class ClassFinder

java.lang.Object

org.apache.hadoop.hbase.ClassFinder

Direct Known Subclasses:

ClassTestFinder

public class ClassFinder
extends Object

A class that finds a set of classes that are locally accessible (from .class or .jar files), and satisfy the conditions that are imposed by name and class filters provided by the user.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ClassFinder.And
static interface	ClassFinder.ClassFilter
private static class	ClassFinder.FileFilterWithName
static interface	ClassFinder.FileNameFilter
static class	ClassFinder.Not
static interface	ClassFinder.ResourcePathFilter

Field Summary

Fields

Modifier and Type	Field	Description
private static String	CLASS_EXT
private ClassFinder.ClassFilter	classFilter
private ClassLoader	classLoader
private FileFilter	fileFilter
private ClassFinder.FileNameFilter	fileNameFilter
private static final org.slf4j.Logger	LOG
private ClassFinder.ResourcePathFilter	resourcePathFilter

Constructor Summary

Constructors

Constructor	Description
ClassFinder(ClassLoader classLoader)
ClassFinder(ClassFinder.ResourcePathFilter resourcePathFilter, ClassFinder.FileNameFilter fileNameFilter, ClassFinder.ClassFilter classFilter)
ClassFinder(ClassFinder.ResourcePathFilter resourcePathFilter, ClassFinder.FileNameFilter fileNameFilter, ClassFinder.ClassFilter classFilter, ClassLoader classLoader)

Method Summary

Modifier and Type	Method	Description
Set<Class<?>>	findClasses(boolean proceedOnExceptions)	Finds the classes in current package (of ClassFinder) and nested packages.
Set<Class<?>>	findClasses(String packageName, boolean proceedOnExceptions)	Finds the classes in a package and nested packages.
private Set<Class<?>>	findClassesFromFiles(File baseDirectory, String packageName, boolean proceedOnExceptions)
private Set<Class<?>>	findClassesFromJar(String jarFileName, String packageName, boolean proceedOnExceptions)
private Class<?>	makeClass(String className, boolean proceedOnExceptions)

Methods inherited from class java.lang.Object

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

Field Details

LOG

private static final org.slf4j.Logger LOG

CLASS_EXT

private static String CLASS_EXT

resourcePathFilter

private ClassFinder.ResourcePathFilter resourcePathFilter

fileNameFilter

private ClassFinder.FileNameFilter fileNameFilter

classFilter

private ClassFinder.ClassFilter classFilter

fileFilter

private FileFilter fileFilter

classLoader

private ClassLoader classLoader

Constructor Details

ClassFinder

public ClassFinder(ClassLoader classLoader)

ClassFinder

public ClassFinder(ClassFinder.ResourcePathFilter resourcePathFilter,
 ClassFinder.FileNameFilter fileNameFilter,
 ClassFinder.ClassFilter classFilter)

ClassFinder

public ClassFinder(ClassFinder.ResourcePathFilter resourcePathFilter,
 ClassFinder.FileNameFilter fileNameFilter,
 ClassFinder.ClassFilter classFilter,
 ClassLoader classLoader)

Method Details

findClasses

public Set<Class<?>> findClasses(boolean proceedOnExceptions)
                          throws ClassNotFoundException,
IOException,
LinkageError

Finds the classes in current package (of ClassFinder) and nested packages.

Parameters:

proceedOnExceptions - whether to ignore exceptions encountered for individual jars/files/classes, and proceed looking for others.

Throws:

ClassNotFoundException

IOException

LinkageError

findClasses

public Set<Class<?>> findClasses(String packageName,
 boolean proceedOnExceptions)
                          throws ClassNotFoundException,
IOException,
LinkageError

Finds the classes in a package and nested packages.

Parameters:

packageName - package names

proceedOnExceptions - whether to ignore exceptions encountered for individual jars/files/classes, and proceed looking for others.

Throws:

ClassNotFoundException

IOException

LinkageError

findClassesFromJar

private Set<Class<?>> findClassesFromJar(String jarFileName,
 String packageName,
 boolean proceedOnExceptions)
                                  throws IOException,
ClassNotFoundException,
LinkageError

Throws:

IOException

ClassNotFoundException

LinkageError

findClassesFromFiles

private Set<Class<?>> findClassesFromFiles(File baseDirectory,
 String packageName,
 boolean proceedOnExceptions)
                                    throws ClassNotFoundException,
LinkageError

Throws:

ClassNotFoundException

LinkageError

makeClass

private Class<?> makeClass(String className,
 boolean proceedOnExceptions)
                    throws ClassNotFoundException,
LinkageError

Throws:

ClassNotFoundException

LinkageError