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 io.brooklyn.camp.spi.pdp; import java.util.ArrayList; import java.util.List; import java.util.Map; import org.apache.commons.lang3.builder.ToStringBuilder; import brooklyn.util.collections.MutableMap; import brooklyn.util.yaml.Yamls; import com.google.common.collect.ImmutableList; import com.google.common.collect.ImmutableMap; public class Service { String name; String description; String serviceType; List<ServiceCharacteristic> characteristics; Map<String, Object> customAttributes; @SuppressWarnings("unchecked") public static Service of(Map<String, Object> service) { Map<String, Object> fields = MutableMap.copyOf(service); Service result = new Service(); result.name = (String) fields.remove("name"); result.description = (String) fields.remove("description"); // FIXME _type needed in lots of places result.serviceType = (String) Yamls.removeMultinameAttribute(fields, "service_type", "serviceType", "type"); result.characteristics = new ArrayList<ServiceCharacteristic>(); Object chars = fields.remove("characteristics"); if (chars instanceof Iterable) { for (Object req : (Iterable<Object>) chars) { if (req instanceof Map) { result.characteristics.add(ServiceCharacteristic.of((Map<String, Object>) req)); } else { throw new IllegalArgumentException("characteristics should be a map, not " + req.getClass()); } } } else if (chars != null) { // TODO "map" short form throw new IllegalArgumentException("services body should be iterable, not " + chars.getClass()); } result.customAttributes = fields; return result; } public String getName() { return name; } public String getDescription() { return description; } public String getServiceType() { return serviceType; } public List<ServiceCharacteristic> getCharacteristics() { return ImmutableList.copyOf(characteristics); } public Map<String, Object> getCustomAttributes() { return ImmutableMap.copyOf(customAttributes); } @Override public String toString() { return ToStringBuilder.reflectionToString(this); } }