Golang util.Env函數代碼示例

//export Java_io_v_v23_security_VPrincipalImpl_nativeBless
func Java_io_v_v23_security_VPrincipalImpl_nativeBless(jenv *C.JNIEnv, jVPrincipalImpl C.jobject, goRef C.jlong, jKey C.jobject, jWith C.jobject, jExtension C.jstring, jCaveat C.jobject, jAdditionalCaveats C.jobjectArray) C.jobject {
	env := jutil.Env(uintptr(unsafe.Pointer(jenv)))
	key, err := GoPublicKey(env, jutil.Object(uintptr(unsafe.Pointer(jKey))))
	if err != nil {
		jutil.JThrowV(env, err)
		return nil
	}
	with, err := GoBlessings(env, jutil.Object(uintptr(unsafe.Pointer(jWith))))
	if err != nil {
		jutil.JThrowV(env, err)
		return nil
	}
	extension := jutil.GoString(env, jutil.Object(uintptr(unsafe.Pointer(jExtension))))
	caveat, err := GoCaveat(env, jutil.Object(uintptr(unsafe.Pointer(jCaveat))))
	if err != nil {
		jutil.JThrowV(env, err)
		return nil
	}
	additionalCaveats, err := GoCaveats(env, jutil.Object(uintptr(unsafe.Pointer(jAdditionalCaveats))))
	if err != nil {
		jutil.JThrowV(env, err)
		return nil
	}
	blessings, err := (*(*security.Principal)(jutil.GoRefValue(jutil.Ref(goRef)))).Bless(key, with, extension, caveat, additionalCaveats...)
	if err != nil {
		jutil.JThrowV(env, err)
		return nil
	}
	jBlessings, err := JavaBlessings(env, blessings)
	if err != nil {
		jutil.JThrowV(env, err)
		return nil
	}
	return C.jobject(unsafe.Pointer(jBlessings))
}

//export Java_io_v_v23_security_access_PermissionsAuthorizer_nativeCreate
func Java_io_v_v23_security_access_PermissionsAuthorizer_nativeCreate(jenv *C.JNIEnv, jPermissionsAuthorizerClass C.jclass, jPermissions C.jobject, jTagType C.jobject) C.jobject {
	env := jutil.Env(uintptr(unsafe.Pointer(jenv)))
	perms, err := GoPermissions(env, jutil.Object(uintptr(unsafe.Pointer(jPermissions))))
	if err != nil {
		jutil.JThrowV(env, err)
		return nil
	}
	tagType, err := jutil.GoVdlType(env, jutil.Object(uintptr(unsafe.Pointer(jTagType))))
	if err != nil {
		jutil.JThrowV(env, err)
		return nil
	}
	authorizer, err := access.PermissionsAuthorizer(perms, tagType)
	if err != nil {
		jutil.JThrowV(env, err)
		return nil
	}
	ref := jutil.GoNewRef(&authorizer) // Un-refed when the Java PermissionsAuthorizer is finalized
	jAuthorizer, err := jutil.NewObject(env, jutil.Class(uintptr(unsafe.Pointer(jPermissionsAuthorizerClass))), []jutil.Sign{jutil.LongSign}, int64(ref))
	if err != nil {
		jutil.GoDecRef(ref)
		jutil.JThrowV(env, err)
		return nil
	}
	return C.jobject(unsafe.Pointer(jAuthorizer))
}

//export Java_io_v_v23_security_VSecurity_nativeCreateAuthorizer
func Java_io_v_v23_security_VSecurity_nativeCreateAuthorizer(jenv *C.JNIEnv, jVSecurityClass C.jclass, kind C.jint, jKey C.jobject) C.jobject {
	env := jutil.Env(uintptr(unsafe.Pointer(jenv)))
	var auth security.Authorizer
	switch kind {
	case 0:
		auth = security.AllowEveryone()
	case 1:
		auth = security.EndpointAuthorizer()
	case 2:
		auth = security.DefaultAuthorizer()
	case 3:
		key, err := GoPublicKey(env, jutil.Object(uintptr(unsafe.Pointer(jKey))))
		if err != nil {
			jutil.JThrowV(env, err)
			return nil
		}
		auth = security.PublicKeyAuthorizer(key)
	default:
		return nil
	}
	ref := jutil.GoNewRef(&auth) // Un-refed when the Java PermissionsAuthorizer is finalized
	jAuthorizer, err := jutil.NewObject(env, jutil.Class(uintptr(unsafe.Pointer(jPermissionsAuthorizerClass))), []jutil.Sign{jutil.LongSign}, int64(ref))
	if err != nil {
		jutil.GoDecRef(ref)
		jutil.JThrowV(env, err)
		return nil
	}
	return C.jobject(unsafe.Pointer(jAuthorizer))
}

//export Java_io_v_v23_security_VPrincipalImpl_nativeCreatePersistentForSigner
func Java_io_v_v23_security_VPrincipalImpl_nativeCreatePersistentForSigner(jenv *C.JNIEnv, jclass C.jclass, jSigner C.jobject, jDir C.jstring) C.jobject {
	env := jutil.Env(uintptr(unsafe.Pointer(jenv)))
	signerObj := jutil.Object(uintptr(unsafe.Pointer(jSigner)))
	signer, err := GoSigner(env, signerObj)
	if err != nil {
		jutil.JThrowV(env, err)
		return nil
	}
	dir := jutil.GoString(env, jutil.Object(uintptr(unsafe.Pointer(jDir))))
	stateSerializer, err := vsecurity.NewPrincipalStateSerializer(dir)
	if err != nil {
		jutil.JThrowV(env, err)
		return nil
	}
	principal, err := vsecurity.NewPrincipalFromSigner(signer, stateSerializer)
	if err != nil {
		jutil.JThrowV(env, err)
		return nil
	}
	ref := jutil.GoNewRef(&principal) // Un-refed when the Java VPrincipalImpl is finalized.
	jPrincipal, err := jutil.NewObject(env, jVPrincipalImplClass, []jutil.Sign{jutil.LongSign, signerSign, blessingStoreSign, blessingRootsSign}, int64(ref), signerObj, jutil.NullObject, jutil.NullObject)
	if err != nil {
		jutil.GoDecRef(ref)
		jutil.JThrowV(env, err)
		return nil
	}
	return C.jobject(unsafe.Pointer(jPrincipal))
}

//export Java_io_v_impl_google_lib_discovery_GlobalDiscovery_nativeNewDiscovery
func Java_io_v_impl_google_lib_discovery_GlobalDiscovery_nativeNewDiscovery(jenv *C.JNIEnv, jRuntime C.jclass, jContext C.jobject, jPath C.jstring, jMountTTL, jScanInterval C.jobject) C.jobject {
	env := jutil.Env(uintptr(unsafe.Pointer(jenv)))
	ctx, _, err := jcontext.GoContext(env, jutil.Object(uintptr(unsafe.Pointer(jContext))))
	if err != nil {
		jutil.JThrowV(env, err)
		return nil
	}
	path := jutil.GoString(env, jutil.Object(uintptr(unsafe.Pointer(jPath))))
	mountTTL, err := jutil.GoDuration(env, jutil.Object(uintptr(unsafe.Pointer(jMountTTL))))
	if err != nil {
		jutil.JThrowV(env, err)
		return nil
	}
	scanInterval, err := jutil.GoDuration(env, jutil.Object(uintptr(unsafe.Pointer(jScanInterval))))
	if err != nil {
		jutil.JThrowV(env, err)
		return nil
	}

	discovery, err := gdiscovery.NewWithTTL(ctx, path, mountTTL, scanInterval)
	if err != nil {
		jutil.JThrowV(env, err)
		return nil
	}
	jDiscovery, err := JavaDiscovery(env, discovery)
	if err != nil {
		jutil.JThrowV(env, err)
		return nil
	}
	return C.jobject(unsafe.Pointer(jDiscovery))
}

//export Java_io_v_v23_security_PublicKeyThirdPartyCaveatValidator_nativeValidate
func Java_io_v_v23_security_PublicKeyThirdPartyCaveatValidator_nativeValidate(jenv *C.JNIEnv, jThirdPartyValidatorClass C.jclass, jContext C.jobject, jCall C.jobject, jCaveatParam C.jobject) {
	env := jutil.Env(uintptr(unsafe.Pointer(jenv)))
	param, err := jutil.GoVomCopyValue(env, jutil.Object(uintptr(unsafe.Pointer(jCaveatParam))))
	if err != nil {
		jutil.JThrowV(env, err)
		return
	}
	ctx, _, err := jcontext.GoContext(env, jutil.Object(uintptr(unsafe.Pointer(jContext))))
	if err != nil {
		jutil.JThrowV(env, err)
		return
	}
	call, err := GoCall(env, jutil.Object(uintptr(unsafe.Pointer(jCall))))
	if err != nil {
		jutil.JThrowV(env, err)
		return
	}
	caveat, err := security.NewCaveat(security.PublicKeyThirdPartyCaveat, param)
	if err != nil {
		jutil.JThrowV(env, err)
		return
	}
	if err := caveat.Validate(ctx, call); err != nil {
		jutil.JThrowV(env, err)
		return
	}
}

//export Java_io_v_v23_security_BlessingRootsImpl_nativeDump
func Java_io_v_v23_security_BlessingRootsImpl_nativeDump(jenv *C.JNIEnv, jBlessingRootsImpl C.jobject, goRef C.jlong) C.jobject {
	env := jutil.Env(uintptr(unsafe.Pointer(jenv)))
	dump := (*(*security.BlessingRoots)(jutil.GoRefValue(jutil.Ref(goRef)))).Dump()
	result := make(map[jutil.Object][]jutil.Object)
	for pattern, keys := range dump {
		jBlessingPattern, err := JavaBlessingPattern(env, pattern)
		if err != nil {
			jutil.JThrowV(env, err)
			return nil
		}
		jPublicKeys := make([]jutil.Object, len(keys))
		for i, key := range keys {
			var err error
			if jPublicKeys[i], err = JavaPublicKey(env, key); err != nil {
				jutil.JThrowV(env, err)
				return nil
			}
		}
		result[jBlessingPattern] = jPublicKeys
	}
	jMap, err := jutil.JObjectMultimap(env, result)
	if err != nil {
		jutil.JThrowV(env, err)
		return nil
	}
	return C.jobject(unsafe.Pointer(jMap))
}

//export Java_io_v_v23_security_VSecurity_nativeGetSigningBlessingNames
func Java_io_v_v23_security_VSecurity_nativeGetSigningBlessingNames(jenv *C.JNIEnv, jVSecurityClass C.jclass, jCtx C.jobject, jPrincipal C.jobject, jBlessings C.jobject) C.jobjectArray {
	env := jutil.Env(uintptr(unsafe.Pointer(jenv)))
	ctx, _, err := jcontext.GoContext(env, jutil.Object(uintptr(unsafe.Pointer(jCtx))))
	if err != nil {
		jutil.JThrowV(env, err)
		return nil
	}
	principal, err := GoPrincipal(env, jutil.Object(uintptr(unsafe.Pointer(jPrincipal))))
	if err != nil {
		jutil.JThrowV(env, err)
		return nil
	}
	blessings, err := GoBlessings(env, jutil.Object(uintptr(unsafe.Pointer(jBlessings))))
	if err != nil {
		jutil.JThrowV(env, err)
		return nil
	}
	blessingStrs, _ := security.SigningBlessingNames(ctx, principal, blessings)
	jArr, err := jutil.JStringArray(env, blessingStrs)
	if err != nil {
		jutil.JThrowV(env, err)
		return nil
	}
	return C.jobjectArray(unsafe.Pointer(jArr))
}

//export Java_io_v_impl_google_rpc_StreamImpl_nativeRecv
func Java_io_v_impl_google_rpc_StreamImpl_nativeRecv(jenv *C.JNIEnv, jStream C.jobject, goRef C.jlong, jCallbackObj C.jobject) {
	env := jutil.Env(uintptr(unsafe.Pointer(jenv)))
	jCallback := jutil.Object(uintptr(unsafe.Pointer(jCallbackObj)))
	result := new(vdl.Value)
	jutil.DoAsyncCall(env, jCallback, func() (jutil.Object, error) {
		if err := (*(*rpc.Stream)(jutil.GoRefValue(jutil.Ref(goRef)))).Recv(&result); err != nil {
			if err == io.EOF {
				// Java uses EndOfFile error to detect EOF.
				err = verror.NewErrEndOfFile(nil)
			}
			return jutil.NullObject, err
		}
		vomResult, err := vom.Encode(result)
		if err != nil {
			return jutil.NullObject, err
		}
		env, freeFunc := jutil.GetEnv()
		defer freeFunc()
		jResult, err := jutil.JByteArray(env, vomResult)
		if err != nil {
			return jutil.NullObject, err
		}
		// Must grab a global reference as we free up the env and all local references that come along
		// with it.
		return jutil.NewGlobalRef(env, jResult), nil // Un-refed in DoAsyncCall
	})
}

//export Java_io_v_impl_google_rpc_ClientCallImpl_nativeCloseSend
func Java_io_v_impl_google_rpc_ClientCallImpl_nativeCloseSend(jenv *C.JNIEnv, jCall C.jobject, goRef C.jlong, jCallbackObj C.jobject) {
	env := jutil.Env(uintptr(unsafe.Pointer(jenv)))
	jCallback := jutil.Object(uintptr(unsafe.Pointer(jCallbackObj)))
	jutil.DoAsyncCall(env, jCallback, func() (jutil.Object, error) {
		return jutil.NullObject, (*(*rpc.ClientCall)(jutil.GoRefValue(jutil.Ref(goRef)))).CloseSend()
	})
}

//export Java_io_v_impl_google_lib_discovery_UpdateImpl_nativeAttachment
func Java_io_v_impl_google_lib_discovery_UpdateImpl_nativeAttachment(jenv *C.JNIEnv, _ C.jobject, goRef C.jlong, jCtx C.jobject, jName C.jstring, jCbObj C.jobject) {
	env := jutil.Env(uintptr(unsafe.Pointer(jenv)))
	ctx, _, err := jcontext.GoContext(env, jutil.Object(uintptr(unsafe.Pointer(jCtx))))
	if err != nil {
		jutil.JThrowV(env, err)
		return
	}

	update := *(*discovery.Update)(jutil.GoRefValue(jutil.Ref(goRef)))
	name := jutil.GoString(env, jutil.Object(uintptr(unsafe.Pointer(jName))))

	jCb := jutil.Object(uintptr(unsafe.Pointer(jCbObj)))
	jutil.DoAsyncCall(env, jCb, func() (jutil.Object, error) {
		dataOrErr := <-update.Attachment(ctx, name)
		if dataOrErr.Error != nil {
			return jutil.NullObject, err
		}

		env, freeFunc := jutil.GetEnv()
		defer freeFunc()

		jData, err := jutil.JByteArray(env, dataOrErr.Data)
		if err != nil {
			return jutil.NullObject, err
		}
		// Must grab a global reference as we free up the env and all local references that come
		// along with it.
		return jutil.NewGlobalRef(env, jData), nil // Un-refed in DoAsyncCall
	})
}

//export Java_io_v_impl_google_rpc_ServerImpl_nativeAddName
func Java_io_v_impl_google_rpc_ServerImpl_nativeAddName(jenv *C.JNIEnv, jServer C.jobject, goRef C.jlong, jName C.jstring) {
	env := jutil.Env(uintptr(unsafe.Pointer(jenv)))
	name := jutil.GoString(env, jutil.Object(uintptr(unsafe.Pointer(jName))))
	if err := (*(*rpc.Server)(jutil.GoRefValue(jutil.Ref(goRef)))).AddName(name); err != nil {
		jutil.JThrowV(env, err)
		return
	}
}

//export Java_io_v_impl_google_rpc_ClientCallImpl_nativeFinish
func Java_io_v_impl_google_rpc_ClientCallImpl_nativeFinish(jenv *C.JNIEnv, jCall C.jobject, goRef C.jlong, jNumResults C.jint, jCallbackObj C.jobject) {
	env := jutil.Env(uintptr(unsafe.Pointer(jenv)))
	numResults := int(jNumResults)
	jCallback := jutil.Object(uintptr(unsafe.Pointer(jCallbackObj)))
	jutil.DoAsyncCall(env, jCallback, func() (jutil.Object, error) {
		return doFinish(goRef, numResults)
	})
}

//export Java_io_v_impl_google_channel_OutputChannelImpl_nativeClose
func Java_io_v_impl_google_channel_OutputChannelImpl_nativeClose(jenv *C.JNIEnv, jOutputChannelClass C.jclass, goCloseRef C.jlong, jCallbackObj C.jobject) {
	env := jutil.Env(uintptr(unsafe.Pointer(jenv)))
	close := *(*func() error)(jutil.GoRefValue(jutil.Ref(goCloseRef)))
	jCallback := jutil.Object(uintptr(unsafe.Pointer(jCallbackObj)))
	jutil.DoAsyncCall(env, jCallback, func() (jutil.Object, error) {
		return jutil.NullObject, close()
	})
}

//export Java_io_v_impl_google_lib_discovery_FactoryUtil_injectMockPlugin
func Java_io_v_impl_google_lib_discovery_FactoryUtil_injectMockPlugin(jenv *C.JNIEnv, _ C.jclass, jCtx C.jobject) {
	env := jutil.Env(uintptr(unsafe.Pointer(jenv)))
	ctx, _, err := jcontext.GoContext(env, jutil.Object(uintptr(unsafe.Pointer(jCtx))))
	if err != nil {
		jutil.JThrowV(env, err)
		return
	}
	injectMockPlugin(ctx)
}