Java tutorial
/* * This file is provided 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 com.basho.riak.client.raw.http; import java.io.IOException; import com.basho.riak.client.http.util.Constants; import com.basho.riak.client.query.functions.NamedJSFunction; import com.fasterxml.jackson.core.JsonParser; import com.fasterxml.jackson.core.JsonProcessingException; import com.fasterxml.jackson.core.JsonToken; import com.fasterxml.jackson.databind.DeserializationContext; import com.fasterxml.jackson.databind.JsonDeserializer; /** * @author russell * */ public class NamedJSFunctionDeserializer extends JsonDeserializer<NamedJSFunction> { /* * (non-Javadoc) * * @see * org.codehaus.jackson.map.JsonDeserializer#deserialize(org.codehaus.jackson * .JsonParser, org.codehaus.jackson.map.DeserializationContext) */ @Override public NamedJSFunction deserialize(JsonParser jp, DeserializationContext ctxt) throws IOException, JsonProcessingException { JsonToken token = jp.getCurrentToken(); if (JsonToken.START_OBJECT.equals(token)) { String name = null; while (!JsonToken.END_OBJECT.equals(token)) { String field = jp.getCurrentName(); if (Constants.FL_SCHEMA_FUN_NAME.equals(field)) { jp.nextToken(); name = jp.getText(); } token = jp.nextToken(); } if (name != null) { return new NamedJSFunction(name); } else { return null; } } throw ctxt.mappingException(NamedJSFunction.class); } }