Package net.bytebuddy.dynamic.loading
Class ClassInjector.UsingInstrumentation
- java.lang.Object
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- net.bytebuddy.dynamic.loading.ClassInjector.AbstractBase
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- net.bytebuddy.dynamic.loading.ClassInjector.UsingInstrumentation
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- All Implemented Interfaces:
ClassInjector
- Enclosing interface:
- ClassInjector
@Enhance public static class ClassInjector.UsingInstrumentation extends ClassInjector.AbstractBase
A class injector using aInstrumentation
to append to either the boot classpath or the system class path.
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Nested Class Summary
Nested Classes Modifier and Type Class Description protected static interface
ClassInjector.UsingInstrumentation.Dispatcher
A dispatcher to interact with the instrumentation API.static class
ClassInjector.UsingInstrumentation.Target
A representation of the target to which Java classes should be appended to.-
Nested classes/interfaces inherited from interface net.bytebuddy.dynamic.loading.ClassInjector
ClassInjector.AbstractBase, ClassInjector.UsingInstrumentation, ClassInjector.UsingLookup, ClassInjector.UsingReflection, ClassInjector.UsingUnsafe
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Field Summary
Fields Modifier and Type Field Description private static java.lang.String
CLASS_FILE_EXTENSION
The class file extension.private static ClassInjector.UsingInstrumentation.Dispatcher
DISPATCHER
A dispatcher for interacting with the instrumentation API.private java.io.File
folder
The folder to be used for storing jar files.private java.lang.instrument.Instrumentation
instrumentation
The instrumentation to use for appending to the class path or the boot path.private static java.lang.String
JAR
The jar file name extension.private RandomString
randomString
A random string generator for creating file names.private ClassInjector.UsingInstrumentation.Target
target
A representation of the target path to which classes are to be appended.-
Fields inherited from interface net.bytebuddy.dynamic.loading.ClassInjector
ALLOW_EXISTING_TYPES, SUPPRESS_ACCESS_CHECKS
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Constructor Summary
Constructors Modifier Constructor Description protected
UsingInstrumentation(java.io.File folder, ClassInjector.UsingInstrumentation.Target target, java.lang.instrument.Instrumentation instrumentation, RandomString randomString)
Creates an instrumentation-based class injector.
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description java.util.Map<java.lang.String,java.lang.Class<?>>
injectRaw(java.util.Map<? extends java.lang.String,byte[]> types)
Injects the given types into the represented class loader using a mapping from name to binary representation.boolean
isAlive()
Indicates if this class injector is available on the current VM.static boolean
isAvailable()
Returnstrue
if this class injector is available on this VM.static ClassInjector
of(java.io.File folder, ClassInjector.UsingInstrumentation.Target target, java.lang.instrument.Instrumentation instrumentation)
Creates an instrumentation-based class injector.-
Methods inherited from class net.bytebuddy.dynamic.loading.ClassInjector.AbstractBase
inject
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Field Detail
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JAR
private static final java.lang.String JAR
The jar file name extension.- See Also:
- Constant Field Values
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CLASS_FILE_EXTENSION
private static final java.lang.String CLASS_FILE_EXTENSION
The class file extension.- See Also:
- Constant Field Values
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DISPATCHER
private static final ClassInjector.UsingInstrumentation.Dispatcher DISPATCHER
A dispatcher for interacting with the instrumentation API.
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instrumentation
private final java.lang.instrument.Instrumentation instrumentation
The instrumentation to use for appending to the class path or the boot path.
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target
private final ClassInjector.UsingInstrumentation.Target target
A representation of the target path to which classes are to be appended.
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folder
private final java.io.File folder
The folder to be used for storing jar files.
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randomString
private final RandomString randomString
A random string generator for creating file names.
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Constructor Detail
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UsingInstrumentation
protected UsingInstrumentation(java.io.File folder, ClassInjector.UsingInstrumentation.Target target, java.lang.instrument.Instrumentation instrumentation, RandomString randomString)
Creates an instrumentation-based class injector.- Parameters:
folder
- The folder to be used for storing jar files.target
- A representation of the target path to which classes are to be appended.instrumentation
- The instrumentation to use for appending to the class path or the boot path.randomString
- The random string generator to use.
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Method Detail
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of
public static ClassInjector of(java.io.File folder, ClassInjector.UsingInstrumentation.Target target, java.lang.instrument.Instrumentation instrumentation)
Creates an instrumentation-based class injector.- Parameters:
folder
- The folder to be used for storing jar files.target
- A representation of the target path to which classes are to be appended.instrumentation
- The instrumentation to use for appending to the class path or the boot path.- Returns:
- An appropriate class injector that applies instrumentation.
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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.
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injectRaw
public java.util.Map<java.lang.String,java.lang.Class<?>> injectRaw(java.util.Map<? extends java.lang.String,byte[]> types)
Injects the given types into the represented class loader using a mapping from name to binary representation.- Parameters:
types
- The types to load via injection.- Returns:
- The loaded types that were passed as arguments.
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isAvailable
public static boolean isAvailable()
Returnstrue
if this class injector is available on this VM.- Returns:
true
if this class injector is available on this VM.
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