| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.flink.statefun.flink.io.kinesis.binders; |
| |
| import java.io.IOException; |
| import java.util.Arrays; |
| import java.util.List; |
| import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.core.JsonParser; |
| import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.DeserializationContext; |
| import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.JsonDeserializer; |
| import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.node.ObjectNode; |
| import org.apache.flink.statefun.sdk.kinesis.auth.AwsRegion; |
| |
| public final class AwsRegionJsonDeserializer extends JsonDeserializer<AwsRegion> { |
| private static final String DEFAULT_TYPE = "default"; |
| private static final String SPECIFIED_ID_TYPE = "specific"; |
| private static final String CUSTOM_ENDPOINT_TYPE = "custom-endpoint"; |
| |
| @Override |
| public AwsRegion deserialize(JsonParser jsonParser, DeserializationContext deserializationContext) |
| throws IOException { |
| final ObjectNode awsRegionNode = jsonParser.readValueAs(ObjectNode.class); |
| final String typeString = awsRegionNode.get("type").asText(); |
| |
| switch (typeString) { |
| case DEFAULT_TYPE: |
| return AwsRegion.fromDefaultProviderChain(); |
| case SPECIFIED_ID_TYPE: |
| return AwsRegion.ofId(awsRegionNode.get("id").asText()); |
| case CUSTOM_ENDPOINT_TYPE: |
| return AwsRegion.ofCustomEndpoint( |
| awsRegionNode.get("endpoint").asText(), awsRegionNode.get("id").asText()); |
| default: |
| final List<String> validValues = |
| Arrays.asList(DEFAULT_TYPE, SPECIFIED_ID_TYPE, CUSTOM_ENDPOINT_TYPE); |
| throw new IllegalArgumentException( |
| "Invalid AWS region type: " |
| + typeString |
| + "; valid values are [" |
| + String.join(", ", validValues) |
| + "]"); |
| } |
| } |
| } |