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Use multiplatform DataStore version 1.1.0-dev01
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,18 @@ | ||
| # | ||
| # Copyright 2022 Russell Wolf | ||
| # | ||
| # 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. | ||
| # | ||
| # Because DataStore doesn't have an implementation for all platforms, we can't define it in common | ||
| # for legacy metadata | ||
| kotlin.mpp.enableCompatibilityMetadataVariant=false |
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...ings-datastore/src/androidTest/kotlin/com/russhwolf/settings/datastore/createDataStore.kt
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129 changes: 129 additions & 0 deletions
129
...astore/src/jvmCommonTest/kotlin/com/russhwolf/settings/datastore/preferencesSerializer.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,129 @@ | ||
| /* | ||
| * Copyright 2022 Russell Wolf | ||
| * | ||
| * 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. | ||
| */ | ||
|
|
||
| package com.russhwolf.settings.datastore | ||
|
|
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| import androidx.datastore.core.CorruptionException | ||
| import androidx.datastore.core.okio.OkioSerializer | ||
| import androidx.datastore.preferences.PreferencesMapCompat | ||
| import androidx.datastore.preferences.PreferencesProto.PreferenceMap | ||
| import androidx.datastore.preferences.PreferencesProto.StringSet | ||
| import androidx.datastore.preferences.PreferencesProto.Value | ||
| import androidx.datastore.preferences.core.MutablePreferences | ||
| import androidx.datastore.preferences.core.Preferences | ||
| import androidx.datastore.preferences.core.booleanPreferencesKey | ||
| import androidx.datastore.preferences.core.byteArrayPreferencesKey | ||
| import androidx.datastore.preferences.core.doublePreferencesKey | ||
| import androidx.datastore.preferences.core.emptyPreferences | ||
| import androidx.datastore.preferences.core.floatPreferencesKey | ||
| import androidx.datastore.preferences.core.intPreferencesKey | ||
| import androidx.datastore.preferences.core.longPreferencesKey | ||
| import androidx.datastore.preferences.core.mutablePreferencesOf | ||
| import androidx.datastore.preferences.core.stringPreferencesKey | ||
| import androidx.datastore.preferences.core.stringSetPreferencesKey | ||
| import androidx.datastore.preferences.protobuf.ByteString | ||
| import okio.BufferedSink | ||
| import okio.BufferedSource | ||
| import okio.IOException | ||
|
|
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| actual val preferencesSerializer: OkioSerializer<Preferences> = PreferencesSerializer | ||
|
|
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| /** | ||
| * Proto based serializer for Preferences. | ||
| */ | ||
| internal object PreferencesSerializer : OkioSerializer<Preferences> { | ||
| val fileExtension = "preferences_pb" | ||
|
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| override val defaultValue: Preferences | ||
| get() { | ||
| return emptyPreferences() | ||
| } | ||
|
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| @Throws(IOException::class, CorruptionException::class) | ||
| override suspend fun readFrom(source: BufferedSource): Preferences { | ||
| val preferencesProto = PreferencesMapCompat.readFrom(source.inputStream()) | ||
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| val mutablePreferences = mutablePreferencesOf() | ||
|
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| preferencesProto.preferencesMap.forEach { (name, value) -> | ||
| addProtoEntryToPreferences(name, value, mutablePreferences) | ||
| } | ||
|
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| return mutablePreferences.toPreferences() | ||
| } | ||
|
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| @Throws(IOException::class, CorruptionException::class) | ||
| override suspend fun writeTo(t: Preferences, sink: BufferedSink) { | ||
| val preferences = t.asMap() | ||
| val protoBuilder = PreferenceMap.newBuilder() | ||
|
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| for ((key, value) in preferences) { | ||
| protoBuilder.putPreferences(key.name, getValueProto(value)) | ||
| } | ||
|
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| protoBuilder.build().writeTo(sink.outputStream()) | ||
| } | ||
|
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| private fun getValueProto(value: Any): Value { | ||
| return when (value) { | ||
| is Boolean -> Value.newBuilder().setBoolean(value).build() | ||
| is Float -> Value.newBuilder().setFloat(value).build() | ||
| is Double -> Value.newBuilder().setDouble(value).build() | ||
| is Int -> Value.newBuilder().setInteger(value).build() | ||
| is Long -> Value.newBuilder().setLong(value).build() | ||
| is String -> Value.newBuilder().setString(value).build() | ||
| is Set<*> -> | ||
| @Suppress("UNCHECKED_CAST") | ||
| Value.newBuilder().setStringSet( | ||
| StringSet.newBuilder().addAllStrings(value as Set<String>) | ||
| ).build() | ||
|
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| is ByteArray -> Value.newBuilder().setBytes(ByteString.copyFrom(value)).build() | ||
| else -> throw IllegalStateException( | ||
| "PreferencesSerializer does not support type: ${value.javaClass.name}" | ||
| ) | ||
| } | ||
| } | ||
|
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| private fun addProtoEntryToPreferences( | ||
| name: String, | ||
| value: Value, | ||
| mutablePreferences: MutablePreferences | ||
| ) { | ||
| return when (value.valueCase) { | ||
| Value.ValueCase.BOOLEAN -> | ||
| mutablePreferences[booleanPreferencesKey(name)] = | ||
| value.boolean | ||
|
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| Value.ValueCase.FLOAT -> mutablePreferences[floatPreferencesKey(name)] = value.float | ||
| Value.ValueCase.DOUBLE -> mutablePreferences[doublePreferencesKey(name)] = value.double | ||
| Value.ValueCase.INTEGER -> mutablePreferences[intPreferencesKey(name)] = value.integer | ||
| Value.ValueCase.LONG -> mutablePreferences[longPreferencesKey(name)] = value.long | ||
| Value.ValueCase.STRING -> mutablePreferences[stringPreferencesKey(name)] = value.string | ||
| Value.ValueCase.STRING_SET -> | ||
| mutablePreferences[stringSetPreferencesKey(name)] = | ||
| value.stringSet.stringsList.toSet() | ||
|
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| Value.ValueCase.BYTES -> | ||
| mutablePreferences[byteArrayPreferencesKey(name)] = value.bytes.toByteArray() | ||
|
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| Value.ValueCase.VALUE_NOT_SET -> | ||
| throw CorruptionException("Value not set.") | ||
|
|
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| null -> throw CorruptionException("Value case is null.") | ||
| } | ||
| } | ||
| } |
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26
...settings-datastore/src/jvmTest/kotlin/com/russhwolf/settings/datastore/createDataStore.kt
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