scala.io.circe.jackson.JacksonParser.scala Maven / Gradle / Ivy

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/*
 * Copyright 2016 circe
 *
 * 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 io.circe.jackson

import cats.data.ValidatedNel
import io.circe.Decoder
import io.circe.Error
import io.circe.Json
import io.circe.Parser
import io.circe.ParsingFailure

import java.io.File
import scala.util.control.NonFatal

trait JacksonParser extends Parser { this: WithJacksonMapper =>
  final def parse(input: String): Either[ParsingFailure, Json] = try {
    Right(mapper.readValue(jsonStringParser(input), classOf[Json]))
  } catch {
    case NonFatal(error) => Left(ParsingFailure(error.getMessage, error))
  }

  final def parseFile(file: File): Either[ParsingFailure, Json] = try {
    Right(mapper.readValue(jsonFileParser(file), classOf[Json]))
  } catch {
    case NonFatal(error) => Left(ParsingFailure(error.getMessage, error))
  }

  final def parseByteArray(bytes: Array[Byte]): Either[ParsingFailure, Json] = try {
    Right(mapper.readValue(jsonBytesParser(bytes), classOf[Json]))
  } catch {
    case NonFatal(error) => Left(ParsingFailure(error.getMessage, error))
  }

  final def decodeByteArray[A: Decoder](bytes: Array[Byte]): Either[Error, A] =
    finishDecode[A](parseByteArray(bytes))

  final def decodeByteArrayAccumulating[A: Decoder](bytes: Array[Byte]): ValidatedNel[Error, A] =
    finishDecodeAccumulating[A](parseByteArray(bytes))

  final def decodeFile[A: Decoder](file: File): Either[Error, A] =
    finishDecode[A](parseFile(file))

  final def decodeFileAccumulating[A: Decoder](file: File): ValidatedNel[Error, A] =
    finishDecodeAccumulating[A](parseFile(file))
}