/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define LOG_TAG "UsbDeviceJNI"
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#include "utils/Log.h"
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#include "jni.h"
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#include <nativehelper/JNIHelp.h>
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#include "core_jni_helpers.h"
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#include <usbhost/usbhost.h>
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using namespace android;
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static jint
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android_hardware_UsbDevice_get_device_id(JNIEnv *env, jobject clazz, jstring name)
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{
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const char *nameStr = env->GetStringUTFChars(name, NULL);
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int id = usb_device_get_unique_id_from_name(nameStr);
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env->ReleaseStringUTFChars(name, nameStr);
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return id;
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}
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static jstring
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android_hardware_UsbDevice_get_device_name(JNIEnv *env, jobject clazz, jint id)
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{
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char* name = usb_device_get_name_from_unique_id(id);
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jstring result = env->NewStringUTF(name);
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free(name);
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return result;
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}
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static const JNINativeMethod method_table[] = {
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// static methods
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{ "native_get_device_id", "(Ljava/lang/String;)I",
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(void*)android_hardware_UsbDevice_get_device_id },
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{ "native_get_device_name", "(I)Ljava/lang/String;",
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(void*)android_hardware_UsbDevice_get_device_name },
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};
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int register_android_hardware_UsbDevice(JNIEnv *env)
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{
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return RegisterMethodsOrDie(env, "android/hardware/usb/UsbDevice",
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method_table, NELEM(method_table));
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}
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