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feat: implement calling more non-static method types

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Chris Waldon 2020-06-26 15:26:00 -04:00
parent 2e7d20a1b4
commit b5d97bc020
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GPG Key ID: 35BBC7C073F5A5D3
3 changed files with 78 additions and 2 deletions
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7
gojni.h
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@ -29,6 +29,13 @@ __attribute__ ((visibility ("hidden"))) void _jni_CallStaticVoidMethodA(JNIEnv *
__attribute__ ((visibility ("hidden"))) jobject _jni_CallObjectMethodA(JNIEnv *env, jobject obj, jmethodID method, jvalue *args);
__attribute__ ((visibility ("hidden"))) jint _jni_CallIntMethodA(JNIEnv *env, jobject obj, jmethodID method, jvalue *args);
__attribute__ ((visibility ("hidden"))) void _jni_CallVoidMethodA(JNIEnv *env, jobject obj, jmethodID method, jvalue *args);
__attribute__ ((visibility ("hidden"))) jboolean _jni_CallBooleanMethodA(JNIEnv *env, jobject obj, jmethodID method, jvalue *args);
__attribute__ ((visibility ("hidden"))) jbyte _jni_CallByteMethodA(JNIEnv *env, jobject obj, jmethodID method, jvalue *args);
__attribute__ ((visibility ("hidden"))) jchar _jni_CallCharMethodA(JNIEnv *env, jobject obj, jmethodID method, jvalue *args);
__attribute__ ((visibility ("hidden"))) jshort _jni_CallShortMethodA(JNIEnv *env, jobject obj, jmethodID method, jvalue *args);
__attribute__ ((visibility ("hidden"))) jlong _jni_CallLongMethodA(JNIEnv *env, jobject obj, jmethodID method, jvalue *args);
__attribute__ ((visibility ("hidden"))) jfloat _jni_CallFloatMethodA(JNIEnv *env, jobject obj, jmethodID method, jvalue *args);
__attribute__ ((visibility ("hidden"))) jdouble _jni_CallDoubleMethodA(JNIEnv *env, jobject obj, jmethodID method, jvalue *args);
__attribute__ ((visibility ("hidden"))) jbyteArray _jni_NewByteArray(JNIEnv *env, jsize length);
__attribute__ ((visibility ("hidden"))) jbyte *_jni_GetByteArrayElements(JNIEnv *env, jbyteArray arr);
__attribute__ ((visibility ("hidden"))) void _jni_ReleaseByteArrayElements(JNIEnv *env, jbyteArray arr, jbyte *elems, jint mode);

28
jni.c
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@ -134,6 +134,34 @@ void _jni_CallVoidMethodA(JNIEnv *env, jobject obj, jmethodID method, jvalue *ar
(*env)->CallVoidMethodA(env, obj, method, args);
}
jboolean _jni_CallBooleanMethodA(JNIEnv *env, jobject obj, jmethodID method, jvalue *args) {
return (*env)->CallBooleanMethodA(env, obj, method, args);
}
jbyte _jni_CallByteMethodA(JNIEnv *env, jobject obj, jmethodID method, jvalue *args) {
return (*env)->CallByteMethodA(env, obj, method, args);
}
jchar _jni_CallCharMethodA(JNIEnv *env, jobject obj, jmethodID method, jvalue *args) {
return (*env)->CallCharMethodA(env, obj, method, args);
}
jshort _jni_CallShortMethodA(JNIEnv *env, jobject obj, jmethodID method, jvalue *args) {
return (*env)->CallShortMethodA(env, obj, method, args);
}
jlong _jni_CallLongMethodA(JNIEnv *env, jobject obj, jmethodID method, jvalue *args) {
return (*env)->CallLongMethodA(env, obj, method, args);
}
jfloat _jni_CallFloatMethodA(JNIEnv *env, jobject obj, jmethodID method, jvalue *args) {
return (*env)->CallFloatMethodA(env, obj, method, args);
}
jdouble _jni_CallDoubleMethodA(JNIEnv *env, jobject obj, jmethodID method, jvalue *args) {
return (*env)->CallDoubleMethodA(env, obj, method, args);
}
jbyteArray _jni_NewByteArray(JNIEnv *env, jsize length) {
return (*env)->NewByteArray(env, length);
}

45
jni.go
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@ -2,7 +2,6 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package jni implements various helper functions for communicating with the
// Android JVM though JNI.
package jni
@ -44,7 +43,7 @@ type (
)
const (
TRUE = C.JNI_TRUE
TRUE = C.JNI_TRUE
FALSE = C.JNI_FALSE
)
@ -155,6 +154,48 @@ func CallIntMethod(e Env, obj Object, method MethodID, args ...Value) (int32, er
return int32(res), exception(e)
}
// CallBooleanMethod calls a method on an object, returning a bool.
func CallBooleanMethod(e Env, obj Object, method MethodID, args ...Value) (bool, error) {
res := C._jni_CallBooleanMethodA(e.env, C.jobject(obj), C.jmethodID(method), varArgs(args))
return res == TRUE, exception(e)
}
// CallByteMethod calls a method on an object, returning a byte.
func CallByteMethod(e Env, obj Object, method MethodID, args ...Value) (byte, error) {
res := C._jni_CallByteMethodA(e.env, C.jobject(obj), C.jmethodID(method), varArgs(args))
return byte(res), exception(e)
}
// CallCharMethod calls a method on an object, returning a rune.
func CallCharMethod(e Env, obj Object, method MethodID, args ...Value) (rune, error) {
res := C._jni_CallCharMethodA(e.env, C.jobject(obj), C.jmethodID(method), varArgs(args))
return rune(res), exception(e)
}
// CallShortMethod calls a method on an object, returning an int32.
func CallShortMethod(e Env, obj Object, method MethodID, args ...Value) (int16, error) {
res := C._jni_CallShortMethodA(e.env, C.jobject(obj), C.jmethodID(method), varArgs(args))
return int16(res), exception(e)
}
// CallLongMethod calls a method on an object, returning an int64.
func CallLongMethod(e Env, obj Object, method MethodID, args ...Value) (int64, error) {
res := C._jni_CallLongMethodA(e.env, C.jobject(obj), C.jmethodID(method), varArgs(args))
return int64(res), exception(e)
}
// CallFloatMethod calls a method on an object, returning a float32.
func CallFloatMethod(e Env, obj Object, method MethodID, args ...Value) (float32, error) {
res := C._jni_CallFloatMethodA(e.env, C.jobject(obj), C.jmethodID(method), varArgs(args))
return float32(res), exception(e)
}
// CallDoubleMethod calls a method on an object, returning a float64.
func CallDoubleMethod(e Env, obj Object, method MethodID, args ...Value) (float64, error) {
res := C._jni_CallDoubleMethodA(e.env, C.jobject(obj), C.jmethodID(method), varArgs(args))
return float64(res), exception(e)
}
// GetByteArrayElements returns the contents of the array.
func GetByteArrayElements(e Env, jarr ByteArray) []byte {
size := C._jni_GetArrayLength(e.env, C.jarray(jarr))