ch.obermuhlner.scriptengine.java

Class MemoryClassLoader

java.lang.Object

java.lang.ClassLoader

ch.obermuhlner.scriptengine.java.MemoryClassLoader

public class MemoryClassLoader
extends java.lang.ClassLoader

A ClassLoader that loads classes from memory.

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	MEMORY_CLASS_URL URL used to identify the CodeSource of the ProtectionDomain used by this class loader.

Constructor Summary

Constructors

Constructor and Description
MemoryClassLoader(java.util.Map<java.lang.String,byte[]> mapClassBytes, java.lang.ClassLoader parent) Creates a MemoryClassLoader.

Method Summary

Modifier and Type	Method and Description
java.lang.Class<?>	loadClass(java.lang.String name)

Methods inherited from class java.lang.ClassLoader

clearAssertionStatus, defineClass, defineClass, defineClass, defineClass, definePackage, findClass, findLibrary, findLoadedClass, findResource, findResources, findSystemClass, getClassLoadingLock, getPackage, getPackages, getParent, getResource, getResourceAsStream, getResources, getSystemClassLoader, getSystemResource, getSystemResourceAsStream, getSystemResources, loadClass, registerAsParallelCapable, resolveClass, setClassAssertionStatus, setDefaultAssertionStatus, setPackageAssertionStatus, setSigners

Methods inherited from class java.lang.Object

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

Field Detail

MEMORY_CLASS_URL

public static final java.lang.String MEMORY_CLASS_URL

URL used to identify the CodeSource of the ProtectionDomain used by this class loader. This is useful to identify classes loaded by this class loader in a policy file.

grant codeBase "jrt:/ch.obermuhlner.scriptengine.java/memory-class" {
    permission java.lang.RuntimePermission "exitVM";
};
 

See Also:

Constant Field Values

Constructor Detail

MemoryClassLoader

public MemoryClassLoader(java.util.Map<java.lang.String,byte[]> mapClassBytes,
                         java.lang.ClassLoader parent)

Creates a MemoryClassLoader.

Parameters:

mapClassBytes - the map of class names to compiled classes

parent - the parent ClassLoader

Method Detail

loadClass

public java.lang.Class<?> loadClass(java.lang.String name)
                             throws java.lang.ClassNotFoundException

Overrides:

loadClass in class java.lang.ClassLoader

Throws:

java.lang.ClassNotFoundException