com.oracle.svm.core.hub

Class PredefinedClassesSupport

java.lang.Object

com.oracle.svm.core.hub.PredefinedClassesSupport

public final class PredefinedClassesSupport
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	PredefinedClassesSupport.Options
static class	PredefinedClassesSupport.TestingBackdoor

Field Summary

Fields

Modifier and Type	Field and Description
static String	ENABLE_BYTECODES_OPTION

Constructor Summary

Constructors

Constructor and Description
PredefinedClassesSupport()

Method Summary

Modifier and Type	Method and Description
static boolean	hasBytecodeClasses()
static String	hash(byte[] classData, int offset, int length)
static boolean	isPredefined(Class<?> clazz)
static void	loadClass(ClassLoader classLoader, ProtectionDomain protectionDomain, Class<?> clazz)
static Class<?>	loadClass(ClassLoader classLoader, String expectedName, byte[] data, int offset, int length, ProtectionDomain protectionDomain)
static boolean	loadClassIfNotLoaded(ClassLoader classLoader, ProtectionDomain protectionDomain, Class<?> clazz) Load the class if it has not already been loaded.
static void	registerClass(Class<?> clazz) Register a class that cannot be loaded via a byte array of its class data, only with PredefinedClassesSupport.loadClass(ClassLoader, ProtectionDomain, Class) or PredefinedClassesSupport.loadClassIfNotLoaded(java.lang.ClassLoader, java.security.ProtectionDomain, java.lang.Class<?>).
static void	registerClass(String hash, Class<?> clazz)
static boolean	supportsBytecodes()
static void	throwIfUnresolvable(Class<?> clazz, ClassLoader classLoader)
static RuntimeException	throwNoBytecodeClasses()

Methods inherited from class java.lang.Object

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

Field Detail

ENABLE_BYTECODES_OPTION

public static final String ENABLE_BYTECODES_OPTION

Constructor Detail

PredefinedClassesSupport

public PredefinedClassesSupport()

Method Detail

supportsBytecodes

public static boolean supportsBytecodes()

hasBytecodeClasses

public static boolean hasBytecodeClasses()

throwNoBytecodeClasses

public static RuntimeException throwNoBytecodeClasses()

hash

public static String hash(byte[] classData,
                          int offset,
                          int length)

registerClass

public static void registerClass(String hash,
                                 Class<?> clazz)

registerClass

public static void registerClass(Class<?> clazz)

Register a class that cannot be loaded via a byte array of its class data, only with PredefinedClassesSupport.loadClass(ClassLoader, ProtectionDomain, Class) or PredefinedClassesSupport.loadClassIfNotLoaded(java.lang.ClassLoader, java.security.ProtectionDomain, java.lang.Class<?>).

isPredefined

public static boolean isPredefined(Class<?> clazz)

loadClass

public static Class<?> loadClass(ClassLoader classLoader,
                                 String expectedName,
                                 byte[] data,
                                 int offset,
                                 int length,
                                 ProtectionDomain protectionDomain)

loadClass

public static void loadClass(ClassLoader classLoader,
                             ProtectionDomain protectionDomain,
                             Class<?> clazz)

loadClassIfNotLoaded

public static boolean loadClassIfNotLoaded(ClassLoader classLoader,
                                           ProtectionDomain protectionDomain,
                                           Class<?> clazz)

Load the class if it has not already been loaded. Returns true if the class has been loaded as a result of this call, false otherwise. Throws if an error occurred.

throwIfUnresolvable

public static void throwIfUnresolvable(Class<?> clazz,
                                       ClassLoader classLoader)