org.apache.catalina.startup
public final class ClassLoaderFactory extends java.lang.Object
Utility class for building class loaders for Catalina. The factory method requires the following parameters in order to build a new class loader (with suitable defaults in all cases):
ClassLoader
instance that should become the parent of
the new class loader.Modifier and Type | Field and Description |
---|---|
protected static java.lang.Integer |
IS_DIR |
protected static java.lang.Integer |
IS_GLOB |
protected static java.lang.Integer |
IS_JAR |
protected static java.lang.Integer |
IS_URL |
Constructor and Description |
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ClassLoaderFactory() |
Modifier and Type | Method and Description |
---|---|
static java.lang.ClassLoader |
createClassLoader(java.io.File[] unpacked,
java.io.File[] packed,
java.lang.ClassLoader parent)
Create and return a new class loader, based on the configuration
defaults and the specified directory paths:
|
static java.lang.ClassLoader |
createClassLoader(java.io.File[] unpacked,
java.io.File[] packed,
java.net.URL[] urls,
java.lang.ClassLoader parent)
Create and return a new class loader, based on the configuration
defaults and the specified directory paths:
|
static java.lang.ClassLoader |
createClassLoader(java.lang.String[] locations,
java.lang.Integer[] types,
java.lang.ClassLoader parent)
Create and return a new class loader, based on the configuration
defaults and the specified directory paths:
|
protected static final java.lang.Integer IS_DIR
protected static final java.lang.Integer IS_JAR
protected static final java.lang.Integer IS_GLOB
protected static final java.lang.Integer IS_URL
public static java.lang.ClassLoader createClassLoader(java.io.File[] unpacked, java.io.File[] packed, java.lang.ClassLoader parent) throws java.lang.Exception
unpacked
- Array of pathnames to unpacked directories that should
be added to the repositories of the class loader, or null
for no unpacked directories to be consideredpacked
- Array of pathnames to directories containing JAR files
that should be added to the repositories of the class loader,
or null
for no directories of JAR files to be consideredparent
- Parent class loader for the new class loader, or
null
for the system class loader.java.lang.Exception
- if an error occurs constructing the class loaderpublic static java.lang.ClassLoader createClassLoader(java.io.File[] unpacked, java.io.File[] packed, java.net.URL[] urls, java.lang.ClassLoader parent) throws java.lang.Exception
unpacked
- Array of pathnames to unpacked directories that should
be added to the repositories of the class loader, or null
for no unpacked directories to be consideredpacked
- Array of pathnames to directories containing JAR files
that should be added to the repositories of the class loader,
or null
for no directories of JAR files to be consideredurls
- Array of URLs to remote repositories, designing either JAR
resources or uncompressed directories that should be added to
the repositories of the class loader, or null
for no
directories of JAR files to be consideredparent
- Parent class loader for the new class loader, or
null
for the system class loader.java.lang.Exception
- if an error occurs constructing the class loaderpublic static java.lang.ClassLoader createClassLoader(java.lang.String[] locations, java.lang.Integer[] types, java.lang.ClassLoader parent) throws java.lang.Exception
locations
- Array of strings containing class directories, jar files,
jar directories or URLS that should be added to the repositories of
the class loader. The type is given by the member of param types.types
- Array of types for the members of param locations.
Possible values are IS_DIR (class directory), IS_JAR (single jar file),
IS_GLOB (directory of jar files) and IS_URL (URL).parent
- Parent class loader for the new class loader, or
null
for the system class loader.java.lang.Exception
- if an error occurs constructing the class loaderCopyright © 2000-2013 Apache Software Foundation. All Rights Reserved.