Tablas de Funciones de JNI

 

Primitive Types and Native Equivalents

Java Type Native

Type

Size in bits

boolean

jboolean

8, unsigned

byte

jbyte

8

char

jchar

16, unsigned

short

jshort

16

int

jint

32

long

jlong

64

float

jfloat

32

double

jdouble

64

void

void

n/a

  

Encoding for Java Type Signatures

Signature

Java Programming Language Type

Z

boolean

B

byte

C

char

S

short

I

int

J

long

F

float

D

double

L fully-qualified-class

fully-qualified-class

[ type

type[]

( arg-types ) ret-type

method type

 

 

 

 JNI String Handling Functions

    * GetStringChars

    * GetStringLength

    * GetStringUTFChars

    * GetStringUTFLength

    * NewString

    * NewStringUTF

    * ReleaseStringChars

    * ReleaseStringUTFChars

 

JNI Array Handling Functions

    * GetArrayLength

    * Get<type>ArrayElements

          * GetBooleanArrayElements

          * GetByteArrayElements

          * GetCharArrayElements

          * GetDoubleArrayElements

          * GetFloatArrayElements

          * GetIntArrayElements

          * GetLongArrayElements

          * GetShortArrayElements

    * Release<type>ArrayElements

    * Get<type>ArrayRegion

    * Set<type>ArrayRegion

    * GetObjectArrayElement

    * SetObjectArrayElement

 

JNI Method Handling Functions

     * GetObjectClass

    * GetMethodID

    * GetStaticMethodID

    * Call<returntype>Method

          * CallBooleanMethod

          * CallByteMethod

          * CallCharMethod

          * CallDoubleMethod

          * CallFloatMethod

          * CallIntMethod

          * CallLongMethod

          * CallObjectMethod

          * CallShortMethod

          * CallVoidMethod

    * CallStatic<returntype>Method

    * CallNonvirtual<returntype>Method

    * Call<returntype>MethodV

    * Call<returntype>MethodA

 

JNI Member Variable Handling Functions 

    * GetFieldID

    * GetStaticFieldID

    * Get<type>Field

          * GetBooleanField

          * GetByteField

          * GetCharField

          * GetDoubleField

          * GetFloatField

          * GetIntField

          * GetLongField

          * GetObjectField

          * GetShortField

    * Set<type>Field

    * GetStatic<type>Field

    * SetStatic<type>Field

 

JNI Exception Handling Functions 

    * ExceptionClear

    * ExceptionDescribe

    * ExceptionOccurred

 

JNI Local and Global Reference Handling Functions 

    * NewGlobalRef

    * DeleteGlobalRef

    * DeleteLocalRef

 

JNI Thread Synchronization Functions 

    * MonitorEnter

    * MonitorExit