com.cloudera.sqoop.util
Class ClassLoaderStack
java.lang.Object
com.cloudera.sqoop.util.ClassLoaderStack
public final class ClassLoaderStack
- extends java.lang.Object
Allows you to add and remove jar-files from the running JVM by
instantiating classloaders for them.
Field Summary |
static org.apache.commons.logging.Log |
LOG
|
Method Summary |
static java.lang.ClassLoader |
addJarFile(java.lang.String jarFile,
java.lang.String testClassName)
Adds a ClassLoader to the top of the stack that will load from the Jar
file of your choice. |
static void |
setCurrentClassLoader(java.lang.ClassLoader cl)
Sets the classloader for the current thread. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
LOG
public static final org.apache.commons.logging.Log LOG
setCurrentClassLoader
public static void setCurrentClassLoader(java.lang.ClassLoader cl)
- Sets the classloader for the current thread.
addJarFile
public static java.lang.ClassLoader addJarFile(java.lang.String jarFile,
java.lang.String testClassName)
throws java.io.IOException
- Adds a ClassLoader to the top of the stack that will load from the Jar
file of your choice. Returns the previous classloader so you can restore
it if need be, later.
- Parameters:
jarFile
- The filename of a jar file that you want loaded into this
JVM.testClassName
- The name of the class to load immediately
(optional).
- Throws:
java.io.IOException
Copyright © 2010 Cloudera, Inc.