1 /*
2  * Copyright (C) 2016 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.TEXT
21 import androidx.room.solver.CodeGenScope
22 import javax.annotation.processing.ProcessingEnvironment
23 
24 class StringColumnTypeAdapter(processingEnvironment: ProcessingEnvironment)
25     : ColumnTypeAdapter((processingEnvironment.elementUtils.getTypeElement(
26         String::class.java.canonicalName)).asType(), TEXT) {
readFromCursornull27     override fun readFromCursor(outVarName: String, cursorVarName: String, indexVarName: String,
28                                 scope: CodeGenScope) {
29         scope.builder()
30                 .addStatement("$L = $L.getString($L)", outVarName, cursorVarName, indexVarName)
31     }
32 
bindToStmtnull33     override fun bindToStmt(stmtName: String, indexVarName: String, valueVarName: String,
34                             scope: CodeGenScope) {
35         scope.builder().apply {
36             beginControlFlow("if ($L == null)", valueVarName)
37                     .addStatement("$L.bindNull($L)", stmtName, indexVarName)
38             nextControlFlow("else")
39                     .addStatement("$L.bindString($L, $L)", stmtName, indexVarName, valueVarName)
40             endControlFlow()
41         }
42     }
43 }
44