/* * Copyright (c) 2021 Huawei Device Co., Ltd. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include "data_ability_impl.h" #include "app_log_wrapper.h" #include "abs_shared_result_set.h" #include "data_ability_predicates.h" #include "values_bucket.h" namespace OHOS { namespace AppExecFwk { using AbilityManagerClient = OHOS::AAFwk::AbilityManagerClient; /** * @brief Handling the life cycle switching of PageAbility. * * @param want Indicates the structure containing information about the ability. * @param targetState The life cycle state to switch to. * */ void DataAbilityImpl::HandleAbilityTransaction(const Want &want, const AAFwk::LifeCycleStateInfo &targetState) { APP_LOGI("DataAbilityImpl::sourceState:%{public}d; targetState: %{public}d; isNewWant: %{public}d", lifecycleState_, targetState.state, targetState.isNewWant); if ((lifecycleState_ == targetState.state) && !targetState.isNewWant) { APP_LOGE("Org lifeCycleState equals to Dst lifeCycleState."); return; } switch (targetState.state) { case AAFwk::ABILITY_STATE_ACTIVE: { if (lifecycleState_ == AAFwk::ABILITY_STATE_INITIAL) { SerUriString(targetState.caller.deviceId + "/" + targetState.caller.bundleName + "/" + targetState.caller.abilityName); Start(want); } else { return; } break; } default: { APP_LOGE("DataAbilityImpl::HandleAbilityTransaction state is error"); return; break; } } AbilityManagerClient::GetInstance()->AbilityTransitionDone(token_, targetState.state); } /** * @brief Obtains the MIME types of files supported. * * @param uri Indicates the path of the files to obtain. * @param mimeTypeFilter Indicates the MIME types of the files to obtain. This parameter cannot be null. * * @return Returns the matched MIME types. If there is no match, null is returned. */ std::vector DataAbilityImpl::GetFileTypes(const Uri &uri, const std::string &mimeTypeFilter) { std::vector types; if (ability_ == nullptr) { APP_LOGE("DataAbilityImpl::GetFileTypes ability_ is nullptr"); return types; } types = ability_->GetFileTypes(uri, mimeTypeFilter); return types; } /** * @brief Opens a file in a specified remote path. * * @param uri Indicates the path of the file to open. * @param mode Indicates the file open mode, which can be "r" for read-only access, "w" for write-only access * (erasing whatever data is currently in the file), "wt" for write access that truncates any existing file, * "wa" for write-only access to append to any existing data, "rw" for read and write access on any existing data, * or "rwt" for read and write access that truncates any existing file. * * @return Returns the file descriptor. */ int DataAbilityImpl::OpenFile(const Uri &uri, const std::string &mode) { int fd = -1; if (ability_ == nullptr) { APP_LOGE("DataAbilityImpl::OpenFile ability_ is nullptr"); return fd; } fd = ability_->OpenFile(uri, mode); return fd; } /** * @brief This is like openFile, open a file that need to be able to return sub-sections of files,often assets * inside of their .hap. * * @param uri Indicates the path of the file to open. * @param mode Indicates the file open mode, which can be "r" for read-only access, "w" for write-only access * (erasing whatever data is currently in the file), "wt" for write access that truncates any existing file, * "wa" for write-only access to append to any existing data, "rw" for read and write access on any existing * data, or "rwt" for read and write access that truncates any existing file. * * @return Returns the RawFileDescriptor object containing file descriptor. */ int DataAbilityImpl::OpenRawFile(const Uri &uri, const std::string &mode) { int fd = -1; if (ability_ == nullptr) { APP_LOGE("DataAbilityImpl::OpenRawFile ability_ is nullptr"); return fd; } fd = ability_->OpenRawFile(uri, mode); return fd; } /** * @brief Inserts a single data record into the database. * * @param uri Indicates the path of the data to operate. * @param value Indicates the data record to insert. If this parameter is null, a blank row will be inserted. * * @return Returns the index of the inserted data record. */ int DataAbilityImpl::Insert(const Uri &uri, const NativeRdb::ValuesBucket &value) { int index = -1; if (ability_ == nullptr) { APP_LOGE("DataAbilityImpl::Insert ability_ is nullptr"); return index; } index = ability_->Insert(uri, value); return index; } /** * @brief Updates data records in the database. * * @param uri Indicates the path of data to update. * @param value Indicates the data to update. This parameter can be null. * @param predicates Indicates filter criteria. You should define the processing logic when this parameter is null. * * @return Returns the number of data records updated. */ int DataAbilityImpl::Update( const Uri &uri, const NativeRdb::ValuesBucket &value, const NativeRdb::DataAbilityPredicates &predicates) { int index = -1; if (ability_ == nullptr) { APP_LOGE("DataAbilityImpl::Update ability_ is nullptr"); return index; } index = ability_->Update(uri, value, predicates); return index; } /** * @brief Deletes one or more data records from the database. * * @param uri Indicates the path of the data to operate. * @param predicates Indicates filter criteria. You should define the processing logic when this parameter is null. * * @return Returns the number of data records deleted. */ int DataAbilityImpl::Delete(const Uri &uri, const NativeRdb::DataAbilityPredicates &predicates) { int index = -1; if (ability_ == nullptr) { APP_LOGE("DataAbilityImpl::Delete ability_ is nullptr"); return index; } index = ability_->Delete(uri, predicates); return index; } /** * @brief Deletes one or more data records from the database. * * @param uri Indicates the path of data to query. * @param columns Indicates the columns to query. If this parameter is null, all columns are queried. * @param predicates Indicates filter criteria. You should define the processing logic when this parameter is null. * * @return Returns the query result. */ std::shared_ptr DataAbilityImpl::Query( const Uri &uri, std::vector &columns, const NativeRdb::DataAbilityPredicates &predicates) { // std::shared_ptr resultSet = nullptr; if (ability_ == nullptr) { APP_LOGE("DataAbilityImpl::Query ability_ is nullptr"); return nullptr; } return ability_->Query(uri, columns, predicates); } /** * @brief Obtains the MIME type matching the data specified by the URI of the Data ability. This method should be * implemented by a Data ability. Data abilities supports general data types, including text, HTML, and JPEG. * * @param uri Indicates the URI of the data. * * @return Returns the MIME type that matches the data specified by uri. */ std::string DataAbilityImpl::GetType(const Uri &uri) { std::string type; if (ability_ == nullptr) { APP_LOGE("DataAbilityImpl::GetType ability_ is nullptr"); return type; } type = ability_->GetType(uri); return type; } /** * @brief Reloads data in the database. * * @param uri Indicates the position where the data is to reload. This parameter is mandatory. * @param extras Indicates the PacMap object containing the additional parameters to be passed in this call. This * parameter can be null. If a custom Sequenceable object is put in the PacMap object and will be transferred across * processes, you must call BasePacMap.setClassLoader(ClassLoader) to set a class loader for the custom object. * * @return Returns true if the data is successfully reloaded; returns false otherwise. */ bool DataAbilityImpl::Reload(const Uri &uri, const PacMap &extras) { bool ret = false; if (ability_ == nullptr) { APP_LOGE("DataAbilityImpl::Reload ability_ is nullptr"); return ret; } ret = ability_->Reload(uri, extras); return ret; } /** * @brief Inserts multiple data records into the database. * * @param uri Indicates the path of the data to operate. * @param values Indicates the data records to insert. * * @return Returns the number of data records inserted. */ int DataAbilityImpl::BatchInsert(const Uri &uri, const std::vector &values) { int ret = -1; if (ability_ == nullptr) { APP_LOGE("DataAbilityImpl::BatchInsert​ ability_ is nullptr"); return ret; } ret = ability_->BatchInsert(uri, values); return ret; } /** * @brief Converts the given uri that refer to the Data ability into a normalized URI. A normalized URI can be used * across devices, persisted, backed up, and restored. It can refer to the same item in the Data ability even if the * context has changed. If you implement URI normalization for a Data ability, you must also implement * denormalizeUri(ohos.utils.net.Uri) to enable URI denormalization. After this feature is enabled, URIs passed to any * method that is called on the Data ability must require normalization verification and denormalization. The default * implementation of this method returns null, indicating that this Data ability does not support URI normalization. * * @param uri Indicates the Uri object to normalize. * * @return Returns the normalized Uri object if the Data ability supports URI normalization; returns null otherwise. */ Uri DataAbilityImpl::NormalizeUri(const Uri &uri) { Uri urivalue(""); if (ability_ == nullptr) { APP_LOGE("DataAbilityImpl::NormalizeUri ability_ is nullptr"); return urivalue; } urivalue = ability_->NormalizeUri(uri); return urivalue; } /** * @brief Converts the given uri that refer to the Data ability into a normalized URI. A normalized URI can be used * across devices, persisted, backed up, and restored. It can refer to the same item in the Data ability even if the * context has changed. If you implement URI normalization for a Data ability, you must also implement * denormalizeUri(ohos.utils.net.Uri) to enable URI denormalization. After this feature is enabled, URIs passed to any * method that is called on the Data ability must require normalization verification and denormalization. The default * implementation of this method returns null, indicating that this Data ability does not support URI normalization. * * @param uri Indicates the Uri object to normalize. * * @return Returns the normalized Uri object if the Data ability supports URI normalization; returns null otherwise. */ Uri DataAbilityImpl::DenormalizeUri(const Uri &uri) { Uri urivalue(""); if (ability_ == nullptr) { APP_LOGE("DataAbilityImpl::DenormalizeUri ability_ is nullptr"); return urivalue; } urivalue = ability_->DenormalizeUri(uri); return urivalue; } std::vector> DataAbilityImpl::ExecuteBatch( const std::vector> &operations) { APP_LOGI("DataAbilityImpl::ExecuteBatch start"); std::vector> results; if (ability_ == nullptr) { APP_LOGE("DataAbilityImpl::ExecuteBatch ability_ is nullptr"); results.clear(); return results; } results = ability_->ExecuteBatch(operations); APP_LOGI("DataAbilityImpl::ExecuteBatch end, results size:%{public}zu", results.size()); return results; } } // namespace AppExecFwk } // namespace OHOS