weblogic.wsee.util

Class ClassLoaderUtil

java.lang.Object

weblogic.wsee.util.ClassLoaderUtil

public class ClassLoaderUtil
extends java.lang.Object

Excluded in public API Reference.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ClassLoaderUtil.DelegatingLoader

Field Summary

Fields

Modifier and Type	Field and Description
private static java.lang.String	FILE_PROTOCOL
private static java.lang.String	JAR_PROTOCOL
private static java.util.logging.Logger	LOGGER
private static java.lang.String	ZIP_PROTOCOL

Constructor Summary

Constructors

Modifier	Constructor and Description
private	ClassLoaderUtil()

Method Summary

Modifier and Type	Method and Description
static java.lang.ClassLoader	concat(java.lang.ClassLoader... loaders) Return a class loader that represents an amalgam of all the given class loaders.
static java.net.URLClassLoader	getClassLoader(java.io.File file)
private static java.net.URI	getDirectoryURI(java.lang.String url, java.lang.String resourceName)
private static java.net.URI	getJarURI(java.net.URL url)
static java.net.URL	getResource(java.lang.ClassLoader parentLoader, java.lang.ClassLoader loader, java.lang.String name)
static java.util.List<java.net.URI>	getSourceURIs(java.lang.ClassLoader loader, java.lang.String resourceName) Return an array of the source URIs that contain the given resource found on the class loader.
static java.lang.Class	loadClass(java.lang.ClassLoader parentLoader, java.lang.ClassLoader loader, java.lang.String name)
private static java.lang.String	replaceBlankInDir(java.lang.String dir)
static boolean	setURL2SystemClassLoader(java.net.URL url, boolean verbose) Add a class resource dynamically into system class loader

Methods inherited from class java.lang.Object

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

Field Detail

LOGGER

private static final java.util.logging.Logger LOGGER

FILE_PROTOCOL

private static final java.lang.String FILE_PROTOCOL

See Also:

Constant Field Values

JAR_PROTOCOL

private static final java.lang.String JAR_PROTOCOL

See Also:

Constant Field Values

ZIP_PROTOCOL

private static final java.lang.String ZIP_PROTOCOL

See Also:

Constant Field Values

Constructor Detail

ClassLoaderUtil

private ClassLoaderUtil()

Method Detail

getClassLoader

public static java.net.URLClassLoader getClassLoader(java.io.File file)
                                              throws WsBuildException

Throws:

WsBuildException

concat

public static java.lang.ClassLoader concat(java.lang.ClassLoader... loaders)

Return a class loader that represents an amalgam of all the given class loaders. This will ignore nulls in the list.

Parameters:

loaders - a list of class loaders

Returns:

a class loader representing the given class loaders

getSourceURIs

public static java.util.List<java.net.URI> getSourceURIs(java.lang.ClassLoader loader,
                                                         java.lang.String resourceName)
                                                  throws java.io.IOException

Return an array of the source URIs that contain the given resource found on the class loader. A source URI is the path element in the class loader that contains the resource. For example: Assuming the following, resource name is META-INF/binding-file.ser and classpath is d:/weblogic/temp;c:/mydir/tylar;c:/mydir/tylar.jar and both c:/mydir/tylar/META-INF/binding-file.ser amd c:/mydir/tylar.jar!/META-INF/binding-file.ser exist but d:/weblogic/temp/META-INF/binding.file.ser does NOT exist, the source URIs returned by this method would be c:/mydir/tylar (dir) and c:/mydir/tylar.jar.

Parameters:

loader - the class loader

resourceName - the resource name we are finding the source URIs for

Returns:

a list of source URIs found on the class loader.

Throws:

java.io.IOException

replaceBlankInDir

private static java.lang.String replaceBlankInDir(java.lang.String dir)

getDirectoryURI

private static java.net.URI getDirectoryURI(java.lang.String url,
                                            java.lang.String resourceName)

getJarURI

private static java.net.URI getJarURI(java.net.URL url)

setURL2SystemClassLoader

public static boolean setURL2SystemClassLoader(java.net.URL url,
                                               boolean verbose)

Add a class resource dynamically into system class loader

Parameters:

url - The url to be added

verbose - Whether to print runtime log

Returns:

  E.G. add $JAVA_HOME/lib/tools.jar
 

loadClass

public static java.lang.Class loadClass(java.lang.ClassLoader parentLoader,
                                        java.lang.ClassLoader loader,
                                        java.lang.String name)
                                 throws java.lang.ClassNotFoundException

Throws:

java.lang.ClassNotFoundException

getResource

public static java.net.URL getResource(java.lang.ClassLoader parentLoader,
                                       java.lang.ClassLoader loader,
                                       java.lang.String name)
                                throws java.lang.ClassNotFoundException

Throws:

java.lang.ClassNotFoundException