java.lang.Object
- net.bytebuddy.dynamic.loading.ClassInjector.AbstractBase
- - net.bytebuddy.dynamic.loading.ClassInjector.UsingUnsafe

All Implemented Interfaces:

ClassInjector

Enclosing interface:

ClassInjector
```
@Enhance
public static class ClassInjector.UsingUnsafe
extends ClassInjector.AbstractBase
```
A class injector that uses sun.misc.Unsafe or jdk.internal.misc.Unsafe to inject classes.

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`protected static interface`	`ClassInjector.UsingUnsafe.Dispatcher`	A dispatcher for using `sun.misc.Unsafe` or `jdk.internal.misc.Unsafe`.
`static class`	`ClassInjector.UsingUnsafe.Factory`	A factory for creating a `ClassInjector` that uses `sun.misc.Unsafe` if available but attempts a fallback to using `jdk.internal.misc.Unsafe` if the `jdk.internal` module is not resolved or unavailable.
`protected static interface`	`ClassInjector.UsingUnsafe.System`	A proxy of `java.lang.System`.

Nested classes/interfaces inherited from interface net.bytebuddy.dynamic.loading.ClassInjector
ClassInjector.AbstractBase, ClassInjector.UsingInstrumentation, ClassInjector.UsingJna, ClassInjector.UsingLookup, ClassInjector.UsingReflection, ClassInjector.UsingUnsafe

Field Summary

Fields
Modifier and Type	Field	Description
`private static java.lang.Object`	`BOOTSTRAP_LOADER_LOCK`	A lock for the bootstrap loader when injecting.
`private static java.lang.reflect.Method`	`CHECK_PERMISSION`	The `java.lang.SecurityManager#checkPermission` method or `null` if not available.
`private java.lang.ClassLoader`	`classLoader`	The class loader to inject classes into or `null` for the bootstrap loader.
`private ClassInjector.UsingUnsafe.Dispatcher.Initializable`	`dispatcher`	The dispatcher to use.
`private static ClassInjector.UsingUnsafe.Dispatcher.Initializable`	`DISPATCHER`	The dispatcher to use.
`private java.security.ProtectionDomain`	`protectionDomain`	The protection domain to use or `null` for no protection domain.
`static java.lang.String`	`SAFE_PROPERTY`	If this property is set, Byte Buddy does not make use of any `Unsafe` class.
`private static ClassInjector.UsingUnsafe.System`	`SYSTEM`	A proxy for `java.lang.System` to access the security manager if available.

Fields inherited from class net.bytebuddy.dynamic.loading.ClassInjector.AbstractBase
SUPPRESS_ACCESS_CHECKS

Fields inherited from interface net.bytebuddy.dynamic.loading.ClassInjector
ALLOW_EXISTING_TYPES

Constructor Summary

Constructors
Modifier	Constructor	Description
	`UsingUnsafe(java.lang.ClassLoader classLoader)`	Creates a new unsafe injector for the given class loader with a default protection domain.
	`UsingUnsafe(java.lang.ClassLoader classLoader, java.security.ProtectionDomain protectionDomain)`	Creates a new unsafe injector for the given class loader with a default protection domain.
`protected`	`UsingUnsafe(java.lang.ClassLoader classLoader, java.security.ProtectionDomain protectionDomain, ClassInjector.UsingUnsafe.Dispatcher.Initializable dispatcher)`	Creates a new unsafe injector for the given class loader with a default protection domain.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`private static <T> T`	`doPrivileged(java.security.PrivilegedAction<T> action)`	A proxy for `java.security.AccessController#doPrivileged` that is activated if available.
`java.util.Map<java.lang.String,java.lang.Class<?>>`	`injectRaw(java.util.Set<java.lang.String> names, ClassFileLocator classFileLocator)`	Injects the given types into the represented class loader.
`boolean`	`isAlive()`	Indicates if this class injector is available on the current VM.
`static boolean`	`isAvailable()`	Checks if unsafe class injection is available on the current VM.
`static ClassInjector`	`ofBootLoader()`	Returns an unsafe class injector for the boot class loader.
`static ClassInjector`	`ofPlatformLoader()`	Returns an unsafe class injector for the platform class loader.
`static ClassInjector`	`ofSystemLoader()`	Returns an unsafe class injector for the system class loader.

Methods inherited from class net.bytebuddy.dynamic.loading.ClassInjector.AbstractBase
inject, inject, injectRaw

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - SAFE_PROPERTY
```
public static final java.lang.String SAFE_PROPERTY
```
    If this property is set, Byte Buddy does not make use of any Unsafe class.
    
    See Also:
    
    Constant Field Values
  - DISPATCHER
```
private static final ClassInjector.UsingUnsafe.Dispatcher.Initializable DISPATCHER
```
    The dispatcher to use.
  - SYSTEM
```
private static final ClassInjector.UsingUnsafe.System SYSTEM
```
    A proxy for java.lang.System to access the security manager if available.
  - CHECK_PERMISSION
```
private static final java.lang.reflect.Method CHECK_PERMISSION
```
    The java.lang.SecurityManager#checkPermission method or null if not available.
  - BOOTSTRAP_LOADER_LOCK
```
private static final java.lang.Object BOOTSTRAP_LOADER_LOCK
```
    A lock for the bootstrap loader when injecting.
  - classLoader
```
@MaybeNull
@ValueHandling(REVERSE_NULLABILITY)
private final java.lang.ClassLoader classLoader
```
    The class loader to inject classes into or null for the bootstrap loader.
  - protectionDomain
```
@MaybeNull
@ValueHandling(REVERSE_NULLABILITY)
private final java.security.ProtectionDomain protectionDomain
```
    The protection domain to use or null for no protection domain.
  - dispatcher
```
private final ClassInjector.UsingUnsafe.Dispatcher.Initializable dispatcher
```
    The dispatcher to use.
- Constructor Detail
  - UsingUnsafe
```
public UsingUnsafe(@MaybeNull
                   java.lang.ClassLoader classLoader)
```
    Creates a new unsafe injector for the given class loader with a default protection domain.
    
    Parameters:
    
    classLoader - The class loader to inject classes into or null for the bootstrap loader.
  - UsingUnsafe
```
public UsingUnsafe(@MaybeNull
                   java.lang.ClassLoader classLoader,
                   @MaybeNull
                   java.security.ProtectionDomain protectionDomain)
```
    Creates a new unsafe injector for the given class loader with a default protection domain.
    
    Parameters:
    
    classLoader - The class loader to inject classes into or null for the bootstrap loader.
    
    protectionDomain - The protection domain to use or null for no protection domain.
  - UsingUnsafe
```
protected UsingUnsafe(@MaybeNull
                      java.lang.ClassLoader classLoader,
                      @MaybeNull
                      java.security.ProtectionDomain protectionDomain,
                      ClassInjector.UsingUnsafe.Dispatcher.Initializable dispatcher)
```
    Creates a new unsafe injector for the given class loader with a default protection domain.
    
    Parameters:
    
    classLoader - The class loader to inject classes into or null for the bootstrap loader.
    
    protectionDomain - The protection domain to use or null for no protection domain.
    
    dispatcher - The dispatcher to use.
- Method Detail
  - doPrivileged
```
@Enhance
private static <T> T doPrivileged(java.security.PrivilegedAction<T> action)
```
    A proxy for java.security.AccessController#doPrivileged that is activated if available.
    
    Type Parameters:
    
    T - The type of the action's resolved value.
    
    Parameters:
    
    action - The action to execute from a privileged context.
    
    Returns:
    
    The action's resolved value.
  - isAlive
```
public boolean isAlive()
```
    Indicates if this class injector is available on the current VM.
    
    Returns:
    
    true if this injector is available on the current VM.
  - injectRaw
```
public java.util.Map<java.lang.String,java.lang.Class<?>> injectRaw(java.util.Set<java.lang.String> names,
                                                                          ClassFileLocator classFileLocator)
```
    Injects the given types into the represented class loader.
    
    Parameters:
    
    names - The names of the types to load via injection.
    
    classFileLocator - The class file locator to use for resolving binary representations.
    
    Returns:
    
    The loaded types that were passed as arguments.
  - isAvailable
```
public static boolean isAvailable()
```
    Checks if unsafe class injection is available on the current VM.
    
    Returns:
    
    true if unsafe class injection is available on the current VM.
  - ofSystemLoader
```
public static ClassInjector ofSystemLoader()
```
    Returns an unsafe class injector for the system class loader.
    
    Returns:
    
    A class injector for the system class loader.
  - ofPlatformLoader
```
public static ClassInjector ofPlatformLoader()
```
    Returns an unsafe class injector for the platform class loader. For VMs of version 8 or older, the extension class loader is represented instead.
    
    Returns:
    
    A class injector for the platform class loader.
  - ofBootLoader
```
public static ClassInjector ofBootLoader()
```
    Returns an unsafe class injector for the boot class loader.
    
    Returns:
    
    A class injector for the boot loader.

Class ClassInjector.UsingUnsafe

Nested Class Summary

Nested classes/interfaces inherited from interface net.bytebuddy.dynamic.loading.ClassInjector

Field Summary

Fields inherited from class net.bytebuddy.dynamic.loading.ClassInjector.AbstractBase

Fields inherited from interface net.bytebuddy.dynamic.loading.ClassInjector

Constructor Summary

Method Summary

Methods inherited from class net.bytebuddy.dynamic.loading.ClassInjector.AbstractBase

Methods inherited from class java.lang.Object

Field Detail

SAFE_PROPERTY

DISPATCHER

SYSTEM

CHECK_PERMISSION

BOOTSTRAP_LOADER_LOCK

classLoader

protectionDomain

dispatcher

Constructor Detail

UsingUnsafe

UsingUnsafe

UsingUnsafe

Method Detail

doPrivileged

isAlive

injectRaw

isAvailable

ofSystemLoader

ofPlatformLoader

ofBootLoader