Java tutorial
/* * 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 com.addthis.codec.jackson; import java.io.IOException; import com.fasterxml.jackson.core.JsonParser; import com.fasterxml.jackson.core.JsonProcessingException; import com.fasterxml.jackson.core.ObjectCodec; import com.fasterxml.jackson.databind.BeanDescription; import com.fasterxml.jackson.databind.DeserializationContext; import com.fasterxml.jackson.databind.JsonDeserializer; import com.fasterxml.jackson.databind.ObjectMapper; import com.fasterxml.jackson.databind.deser.DeserializationProblemHandler; import com.fasterxml.jackson.databind.introspect.BeanPropertyDefinition; public class WriteonlyPropertyIgnorer extends DeserializationProblemHandler { @Override public boolean handleUnknownProperty(DeserializationContext ctxt, JsonParser jp, JsonDeserializer<?> deserializer, Object beanOrClass, String propertyName) throws IOException, JsonProcessingException { ObjectCodec objectCodec = jp.getCodec(); if (objectCodec instanceof ObjectMapper) { ObjectMapper objectMapper = (ObjectMapper) objectCodec; BeanDescription beanDescription = objectMapper.getSerializationConfig() .introspect(ctxt.constructType(beanOrClass.getClass())); for (BeanPropertyDefinition propertyDefinition : beanDescription.findProperties()) { if (propertyName.equals(propertyDefinition.getName())) { jp.skipChildren(); return true; } } } return false; } }