Alexander Udalov
43 lines
1000 B
Kotlin
43 lines
1000 B
Kotlin
import java.util.ArrayList
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class JsonObject {
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}
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class JsonArray {
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}
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class ProjectInfo {
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override fun toString(): String = "OK"
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}
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public trait Parser<in IN: Any, out OUT: Any> {
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public fun parse(source: IN): OUT
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}
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public trait MultiParser<in IN: Any, out OUT: Any> {
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public fun parse(source: IN): Collection<OUT>
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}
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public trait JsonParser<T: Any>: Parser<JsonObject, T>, MultiParser<JsonArray, T> {
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public override fun parse(source: JsonArray): Collection<T> {
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return ArrayList<T>()
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}
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}
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public abstract class ProjectInfoJsonParser(): JsonParser<ProjectInfo> {
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public override fun parse(source: JsonObject): ProjectInfo {
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return ProjectInfo()
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}
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}
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class ProjectApiContext {
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public val projectInfoJsonParser: ProjectInfoJsonParser = object : ProjectInfoJsonParser(){
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}
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}
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fun box(): String {
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val context = ProjectApiContext()
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val array = context.projectInfoJsonParser.parse(JsonArray())
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return if (array != null) "OK" else "fail"
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}
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