forked from ExpediaGroup/graphql-kotlin
/
kTypeExtensions.kt
55 lines (46 loc) · 1.93 KB
/
kTypeExtensions.kt
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
/*
* Copyright 2019 Expedia, Inc
*
* 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
*
* https://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.expediagroup.graphql.generator.extensions
import com.expediagroup.graphql.exceptions.InvalidListTypeException
import kotlin.reflect.KClass
import kotlin.reflect.KType
import kotlin.reflect.full.createType
import kotlin.reflect.full.isSubclassOf
import kotlin.reflect.jvm.jvmErasure
private val primitiveArrayTypes = mapOf(
IntArray::class to Int::class,
LongArray::class to Long::class,
ShortArray::class to Short::class,
FloatArray::class to Float::class,
DoubleArray::class to Double::class,
CharArray::class to Char::class,
BooleanArray::class to Boolean::class
)
internal fun KType.getKClass() = this.jvmErasure
internal fun KType.isSubclassOf(kClass: KClass<*>) = this.getKClass().isSubclassOf(kClass)
@Throws(InvalidListTypeException::class)
internal fun KType.getTypeOfFirstArgument(): KType =
this.arguments.firstOrNull()?.type ?: throw InvalidListTypeException(this)
internal fun KType.getWrappedType(): KType {
val primitiveClass = primitiveArrayTypes[this.getKClass()]
return when {
primitiveClass != null -> primitiveClass.createType()
else -> this.getTypeOfFirstArgument()
}
}
internal fun KType.getSimpleName(isInputType: Boolean = false): String = this.getKClass().getSimpleName(isInputType)
internal val KType.qualifiedName: String
get() = this.getKClass().getQualifiedName()