com.ibm.di.loader
Class DynamicClassLoader

java.lang.Object
  java.lang.ClassLoader
      java.security.SecureClassLoader
          java.net.URLClassLoader
              com.ibm.di.loader.DynamicClassLoader

public class DynamicClassLoader
extends URLClassLoader

This is a URL Class Loader that dynamically loads TDI Jars files and resources from the URLs specified. The difference with the pre-TDI 7.1 class loader is that this loader first lets the child find the specified class and then refer to its parent.

Since:

7.1

Constructor Summary

DynamicClassLoader(URL[] urls)
Constructor

DynamicClassLoader(URL[] urls, ClassLoader parent)
Constructor

DynamicClassLoader(URL[] urls, ClassLoader parent, URLStreamHandlerFactory factory)
Constructor

Method Summary

URL	getResource(String name)
protected Class<?>	loadClass(String name, boolean resolve)
protected static void	scanDirectoryForJarsRecursively(File searchDir, List<URL> bufferList) Search for Jar files in the specified directory.

Methods inherited from class java.net.URLClassLoader

addURL, definePackage, findClass, findResource, findResources, getPermissions, getURLs, newInstance, newInstance

Methods inherited from class java.security.SecureClassLoader

defineClass, defineClass

Methods inherited from class java.lang.ClassLoader

clearAssertionStatus, defineClass, defineClass, defineClass, defineClass, definePackage, findLibrary, findLoadedClass, findSystemClass, getPackage, getPackages, getParent, getResourceAsStream, getResources, getSystemClassLoader, getSystemResource, getSystemResourceAsStream, getSystemResources, loadClass, resolveClass, setClassAssertionStatus, setDefaultAssertionStatus, setPackageAssertionStatus, setSigners

Methods inherited from class java.lang.Object

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

Constructor Detail

DynamicClassLoader

public DynamicClassLoader(URL[] urls)

Constructor

Parameters:

urls - the URLs from which to load classes and resources

DynamicClassLoader

public DynamicClassLoader(URL[] urls,
                          ClassLoader parent)

Constructor

Parameters:

urls - the URLs from which to load classes and resources

parent - The parent class loader.

DynamicClassLoader

public DynamicClassLoader(URL[] urls,
                          ClassLoader parent,
                          URLStreamHandlerFactory factory)

Constructor

Parameters:

urls - the URLs from which to load classes and resources

parent - The parent class loader.

factory - the URLStreamHandlerFactory to use when creating URLs

Method Detail

loadClass

protected Class<?> loadClass(String name,
                             boolean resolve)
                      throws ClassNotFoundException

Overrides:

loadClass in class ClassLoader

Throws:

ClassNotFoundException

getResource

public URL getResource(String name)

Overrides:

getResource in class ClassLoader

scanDirectoryForJarsRecursively

protected static void scanDirectoryForJarsRecursively(File searchDir,
                                                      List<URL> bufferList)

Search for Jar files in the specified directory. Sub-directories are considered, too.

Parameters:

searchDir - directory to search at.

bufferList - List to update with URLs of the Jars