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| 1 // Copyright 2017 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "chrome/browser/android/physical_web/eddystone_encoder_bridge.h" |
| 6 |
| 7 #include <jni.h> |
| 8 #include <vector> |
| 9 |
| 10 #include "base/android/jni_android.h" |
| 11 #include "base/android/jni_array.h" |
| 12 #include "base/android/jni_string.h" |
| 13 #include "components/physical_web/eddystone/eddystone_encoder.h" |
| 14 #include "jni/PhysicalWebBroadcastService_jni.h" |
| 15 |
| 16 bool RegisterEddystoneEncoderBridge(JNIEnv* env) { |
| 17 return RegisterNativesImpl(env); |
| 18 } |
| 19 |
| 20 static base::android::ScopedJavaLocalRef<jbyteArray> EncodeUrl( |
| 21 JNIEnv* env, |
| 22 const base::android::JavaParamRef<jobject>& jcaller, |
| 23 const base::android::JavaParamRef<jstring>& j_url) { |
| 24 /* |
| 25 * Exception preparation for illegal arguments. |
| 26 */ |
| 27 jclass exception_class = env->FindClass("java/lang/IllegalArgumentException"); |
| 28 |
| 29 /* |
| 30 * Input Sanitization |
| 31 */ |
| 32 if (j_url.is_null()) { |
| 33 env->ThrowNew(exception_class, "URL is null."); |
| 34 return NULL; |
| 35 } |
| 36 |
| 37 std::string c_url; |
| 38 base::android::ConvertJavaStringToUTF8(env, j_url, &c_url); |
| 39 std::vector<uint8_t> encoded_url; |
| 40 |
| 41 int encode_message = physical_web::EncodeUrl(c_url, &encoded_url); |
| 42 |
| 43 if (encode_message < 0) { |
| 44 std::string err_message = "Error in Eddystone Encoding. Error Code: "; |
| 45 err_message += std::to_string(encode_message); |
| 46 env->ThrowNew(exception_class, err_message.c_str()); |
| 47 return NULL; |
| 48 } |
| 49 |
| 50 return base::android::ToJavaByteArray(env, encoded_url.data(), |
| 51 encoded_url.size()); |
| 52 } |
| 53 |
| 54 // Functions For Testing |
| 55 base::android::ScopedJavaLocalRef<jbyteArray> EncodeUrlForTesting( |
| 56 JNIEnv* env, |
| 57 const base::android::JavaParamRef<jobject>& jcaller, |
| 58 const base::android::JavaParamRef<jstring>& j_url) { |
| 59 return EncodeUrl(env, jcaller, j_url); |
| 60 } |
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