Java tutorial
/**************************************************************** * 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.james.jmap.model; import org.apache.james.jmap.methods.Method; import com.fasterxml.jackson.databind.JsonNode; import com.fasterxml.jackson.databind.node.ObjectNode; import com.google.common.base.Preconditions; public class ProtocolRequest { public static ProtocolRequest deserialize(JsonNode[] json) { Preconditions.checkState(json.length == 3, "should have three elements"); Preconditions.checkState(json[0].isTextual(), "first element should be a String"); Preconditions.checkState(json[1].isObject(), "second element should be a Json"); Preconditions.checkState(json[2].isTextual(), "third element should be a String"); return new ProtocolRequest(Method.Request.name(json[0].textValue()), (ObjectNode) json[1], ClientId.of(json[2].textValue())); } private final Method.Request.Name method; private final ObjectNode parameters; private final ClientId clientId; protected ProtocolRequest(Method.Request.Name method, ObjectNode parameters, ClientId clientId) { this.method = method; this.parameters = parameters; this.clientId = clientId; } public Method.Request.Name getMethodName() { return method; } public ObjectNode getParameters() { return parameters; } public ClientId getClientId() { return clientId; } }