Java tutorial
/* * Copyright 2014 Tariq Bugrara * * 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.progix.dropwizard.patch.explicit; 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.ObjectMapper; import io.dropwizard.jackson.Jackson; import java.io.IOException; import java.util.Arrays; /** * {@link JsonDeserializer} for {@link PatchRequest} * <p/> * A custom deserializer is needed to convert an array of {@link PatchInstruction} into the {@link PatchRequest} * object. */ public class PatchRequestDeserializer extends JsonDeserializer<PatchRequest> { @Override public PatchRequest deserialize(JsonParser jp, DeserializationContext ctxt) throws IOException, JsonProcessingException { ObjectMapper mapper = Jackson.newObjectMapper(); PatchInstruction[] instructions = mapper.readValue(jp, PatchInstruction[].class); return new PatchRequest(Arrays.asList(instructions)); } }