| /* |
| * 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.beam.sdk.testing; |
| |
| import com.fasterxml.jackson.core.JsonParser; |
| import com.fasterxml.jackson.core.JsonProcessingException; |
| import com.fasterxml.jackson.databind.DeserializationContext; |
| import com.fasterxml.jackson.databind.JsonDeserializer; |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| import java.io.IOException; |
| import org.apache.beam.sdk.util.SerializableUtils; |
| import org.apache.beam.vendor.guava.v26_0_jre.com.google.common.io.BaseEncoding; |
| |
| /** MatcherDeserializer is used with Jackson to enable deserialization of SerializableMatchers. */ |
| class MatcherDeserializer extends JsonDeserializer<SerializableMatcher<?>> { |
| @Override |
| public SerializableMatcher<?> deserialize( |
| JsonParser jsonParser, DeserializationContext deserializationContext) |
| throws IOException, JsonProcessingException { |
| ObjectNode node = jsonParser.readValueAsTree(); |
| String matcher = node.get("matcher").asText(); |
| byte[] in = BaseEncoding.base64().decode(matcher); |
| return (SerializableMatcher<?>) |
| SerializableUtils.deserializeFromByteArray(in, "SerializableMatcher"); |
| } |
| } |