1 // Copyright 2016 The Android Open Source Project 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #ifndef COMMON_BINDER_UTILS_H_ 16 #define COMMON_BINDER_UTILS_H_ 17 18 #include <memory> 19 #include <string> 20 21 #include <base/values.h> 22 #include <binder/Status.h> 23 #include <utils/String8.h> 24 #include <utils/String16.h> 25 #include <brillo/errors/error.h> 26 27 namespace weave { 28 class Error; // Forward declaration. 29 using ErrorPtr = std::unique_ptr<Error>; 30 } // namespace weave 31 32 namespace weaved { 33 namespace binder_utils { 34 35 // Converts the result of weave API call into a binder Status object. 36 // If |success| is true, return binder::Status::ok(), otherwise the method 37 // constructs a service-specific failure status with an error message obtained 38 // from the |error| object. 39 android::binder::Status ToStatus(bool success, weave::ErrorPtr* error); 40 41 // Converts a binder status code to a Brillo error object. Returns true if the 42 // status was isOk(), otherwise returns false and provides error information 43 // in the |error| object. 44 bool StatusToError(android::binder::Status status, brillo::ErrorPtr* error); 45 46 // Converts binder's UTF16 string into a regular UTF8-encoded standard string. 47 inline std::string ToString(const android::String16& value) { 48 return android::String8{value}.string(); 49 } 50 51 // Converts regular UTF8-encoded standard string into a binder's UTF16 string. 52 inline android::String16 ToString16(const std::string& value) { 53 return android::String16{value.c_str()}; 54 } 55 56 // Serializes a dictionary to a string for transferring over binder. 57 android::String16 ToString16(const base::Value& value); 58 59 // De-serializes a dictionary from a binder string. 60 android::binder::Status ParseDictionary( 61 const android::String16& json, 62 std::unique_ptr<base::DictionaryValue>* dict); 63 64 } // namespace binder_utils 65 } // namespace weaved 66 67 #endif // COMMON_BINDER_UTILS_H_ 68
