Documentation Contents

Java Native Interface Specification Contents

• 1. Introduction
  • Java Native Interface Overview
  • Historical Background
    • JDK 1.0 Native Method Interface
    • Java Runtime Interface
    • Raw Native Interface and Java/COM Interface
  • Objectives
  • Java Native Interface Approach
  • Programming to the JNI
  • Changes
• 2. Design Overview
  • JNI Interface Functions and Pointers
  • Compiling, Loading and Linking Native Methods
    • Resolving Native Method Names
    • Native Method Arguments
  • Referencing Java Objects
    • Global and Local References
    • Implementing Local References
  • Accessing Java Objects
    • Accessing Primitive Arrays
    • Accessing Fields and Methods
  • Java Exceptions
    • Exceptions and Error Codes
    • Asynchronous Exceptions
    • Exception Handling
  • JNI Interface Functions and Pointers
• 3. JNI Types and Data Structures
  • Primitive Types
  • Reference Types
  • Field and Method IDs
  • The Value Type
  • Type Signatures
  • Modified UTF-8 Strings
• 4. JNI Functions
  • Interface Function Table
  • Version Information
    • GetVersion
    • Constants
  • Class Operations
    • DefineClass
    • FindClass
    • GetSuperclass
    • IsAssignableFrom
  • Exceptions
    • Throw
    • ThrowNew
    • ExceptionOccurred
    • ExceptionDescribe
    • ExceptionClear
    • FatalError
    • ExceptionCheck
  • Global and Local References
    • Global References
    • NewGlobalRef
    • DeleteGlobalRef
    • Local References
    • DeleteLocalRef
    • EnsureLocalCapacity
    • PushLocalFrame
    • PopLocalFrame
    • NewLocalRef
  • Weak Global References
    • NewWeakGlobalRef
    • DeleteWeakGlobalRef
  • Object Operations
    • AllocObject
    • NewObject, NewObjectA, NewObjectV
    • GetObjectClass
    • GetObjectRefType
    • IsInstanceOf
    • IsSameObject
  • Accessing Fields of Objects
    • GetFieldID
    • Get<type>Field Routines
    • Set<type>Field Routines
  • Calling Instance Methods
    • GetMethodID
    • Call<type>Method Routines, Call<type>MethodA Routines, Call<type>MethodV Routines
    • CallNonvirtual<type>Method Routines, CallNonvirtual<type>MethodA Routines, CallNonvirtual<type>MethodV Routines
  • Accessing Static Fields
    • GetStaticFieldID
    • GetStatic<type>Field Routines
    • SetStatic<type>Field Routines
  • Calling Static Methods
    • GetStaticMethodID
    • CallStatic<type>Method Routines, CallStatic<type>MethodA Routines, CallStatic<type>MethodV Routines
  • String Operations
    • NewString
    • GetStringLength
    • GetStringChars
    • ReleaseStringChars
    • NewStringUTF
    • GetStringUTFLength
    • GetStringUTFChars
    • ReleaseStringUTFChars
    • GetStringRegion
    • GetStringUTFRegion
    • GetStringCritical, ReleaseStringCritical
  • Array Operations
    • GetArrayLength
    • NewObjectArray
    • GetObjectArrayElement
    • SetObjectArrayElement
    • New<PrimitiveType>Array Routines
    • Get<PrimitiveType>ArrayElements Routines
    • Release<PrimitiveType>ArrayElements Routines
    • Get<PrimitiveType>ArrayRegion Routines
    • Set<PrimitiveType>ArrayRegion Routines
    • GetPrimitiveArrayCritical, ReleasePrimitiveArrayCritical
  • Registering Native Methods
    • RegisterNatives
    • UnregisterNatives
  • Monitor Operations
    • MonitorEnter
    • MonitorExit
  • NIO Support
    • NewDirectByteBuffer
    • GetDirectBufferAddress
    • GetDirectBufferCapacity
  • Reflection Support
    • FromReflectedMethod
    • FromReflectedField
    • ToReflectedMethod
    • ToReflectedField
  • Java VM Interface
    • GetJavaVM
• 5. The Invocation API
  • Overview
    • Creating the VM
    • Attaching to the VM
    • Detaching from the VM
    • Unloading the VM
  • Library and Version Management
    • JNI_OnLoad
    • JNI_OnUnload
  • Invocation API Functions
    • JNI_GetDefaultJavaVMInitArgs
    • JNI_GetCreatedJavaVMs
    • JNI_CreateJavaVM
    • DestroyJavaVM
    • AttachCurrentThread
    • AttachCurrentThreadAsDaemon
    • DetachCurrentThread
    • GetEnv

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