| /* |
| * 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.jclouds.openstack.nova.v2_0.functions; |
| |
| import org.jclouds.http.HttpResponse; |
| import org.jclouds.http.functions.ParseFirstJsonValueNamed; |
| import org.jclouds.json.internal.GsonWrapper; |
| |
| import com.google.common.base.Function; |
| import com.google.common.base.Objects; |
| import com.google.inject.Inject; |
| import com.google.inject.Singleton; |
| import com.google.inject.TypeLiteral; |
| |
| /** |
| * Parsers for extracting a single field value from a response and comparing it to an expected value |
| */ |
| public class FieldValueResponseParsers { |
| @Singleton |
| public static class StatusEnabledResponseParser extends FieldValueResponseParser<String> { |
| @Inject |
| public StatusEnabledResponseParser(GsonWrapper wrapper) { |
| super(wrapper, "status", "enabled"); |
| } |
| } |
| |
| @Singleton |
| public static class StatusDisabledResponseParser extends FieldValueResponseParser<String> { |
| @Inject |
| public StatusDisabledResponseParser(GsonWrapper wrapper) { |
| super(wrapper, "status", "disabled"); |
| } |
| } |
| |
| @Singleton |
| public static class MaintenanceModeEnabledResponseParser extends FieldValueResponseParser<String> { |
| @Inject |
| public MaintenanceModeEnabledResponseParser(GsonWrapper wrapper) { |
| super(wrapper, "maintenance_mode", "on_maintenance"); |
| } |
| } |
| |
| @Singleton |
| public static class MaintenanceModeDisabledResponseParser extends FieldValueResponseParser<String> { |
| @Inject |
| public MaintenanceModeDisabledResponseParser(GsonWrapper wrapper) { |
| super(wrapper, "maintenance_mode", "off_maintenance"); |
| } |
| } |
| |
| @Singleton |
| public static class PowerIsStartupResponseParser extends FieldValueResponseParser<String> { |
| @Inject |
| public PowerIsStartupResponseParser(GsonWrapper wrapper) { |
| super(wrapper, "power_action", "startup"); |
| } |
| } |
| |
| @Singleton |
| public static class PowerIsShutdownResponseParser extends FieldValueResponseParser<String> { |
| @Inject |
| public PowerIsShutdownResponseParser(GsonWrapper wrapper) { |
| super(wrapper, "power_action", "shutdown"); |
| } |
| } |
| |
| @Singleton |
| public static class PowerIsRebootResponseParser extends FieldValueResponseParser<String> { |
| @Inject |
| public PowerIsRebootResponseParser(GsonWrapper wrapper) { |
| super(wrapper, "power_action", "reboot"); |
| } |
| } |
| |
| public abstract static class FieldValueResponseParser<T> implements Function<HttpResponse, Boolean> { |
| private final T expectedValue; |
| private final ParseFirstJsonValueNamed<T> valueParser; |
| |
| public FieldValueResponseParser(GsonWrapper wrapper, String fieldName, T expectedValue) { |
| valueParser = new ParseFirstJsonValueNamed<T>(wrapper, new TypeLiteral<T>() { |
| }, fieldName); |
| this.expectedValue = expectedValue; |
| } |
| |
| @Override |
| public Boolean apply(HttpResponse response) { |
| return Objects.equal(expectedValue, valueParser.apply(response)); |
| } |
| } |
| |
| } |