1 /*
2  * Copyright (C) 2017 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package androidx.room.solver.types
18 
19 import androidx.room.ext.L
20 import androidx.room.parser.SQLTypeAffinity
21 import androidx.room.solver.CodeGenScope
22 import javax.annotation.processing.ProcessingEnvironment
23 import javax.lang.model.type.TypeKind
24 
25 class ByteArrayColumnTypeAdapter(env: ProcessingEnvironment) : ColumnTypeAdapter(
26         out = env.typeUtils.getArrayType(env.typeUtils.getPrimitiveType(TypeKind.BYTE)),
27         typeAffinity = SQLTypeAffinity.BLOB) {
readFromCursornull28     override fun readFromCursor(outVarName: String, cursorVarName: String, indexVarName: String,
29                                 scope: CodeGenScope) {
30         scope.builder()
31                 .addStatement("$L = $L.getBlob($L)", outVarName, cursorVarName, indexVarName)
32     }
33 
bindToStmtnull34     override fun bindToStmt(stmtName: String, indexVarName: String, valueVarName: String,
35                             scope: CodeGenScope) {
36         scope.builder().apply {
37             beginControlFlow("if ($L == null)", valueVarName)
38                     .addStatement("$L.bindNull($L)", stmtName, indexVarName)
39             nextControlFlow("else")
40                     .addStatement("$L.bindBlob($L, $L)", stmtName, indexVarName, valueVarName)
41             endControlFlow()
42         }
43     }
44 }
45