程序包 com.obermuhlner.scriptengine.java

类 MemoryClassLoader

java.lang.Object

java.lang.ClassLoader

com.obermuhlner.scriptengine.java.MemoryClassLoader

public class MemoryClassLoader
extends ClassLoader

A ClassLoader that loads classes from memory.

字段概要

字段

修饰符和类型	字段	说明
private Map<String,byte[]>	mapClassBytes
static final String	MEMORY_CLASS_URL	URL used to identify the CodeSource of the ProtectionDomain used by this class loader.
private ProtectionDomain	protectionDomain

构造器概要

构造器

构造器	说明
MemoryClassLoader(Map<String,byte[]> mapClassBytes, ClassLoader parent)	Creates a MemoryClassLoader.

方法概要

修饰符和类型	方法	说明
Class<?>	loadClass(String name)

从类继承的方法 java.lang.ClassLoader

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

从类继承的方法 java.lang.Object

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

字段详细资料

MEMORY_CLASS_URL

public static final 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:/com.obermuhlner.scriptengine.java/memory-class" {
    permission java.lang.RuntimePermission "exitVM";
};
 

另请参阅:

• 常量字段值

protectionDomain

private ProtectionDomain protectionDomain

mapClassBytes

private Map<String,byte[]> mapClassBytes

构造器详细资料

MemoryClassLoader

public MemoryClassLoader(Map<String,byte[]> mapClassBytes,
 ClassLoader parent)

Creates a MemoryClassLoader.

参数:

mapClassBytes - the map of class names to compiled classes

parent - the parent ClassLoader

方法详细资料

loadClass

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

覆盖:

loadClass 在类中 ClassLoader

抛出:

ClassNotFoundException