2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ============LICENSE_END=========================================================
21 package org.onap.so.client.appc;
23 import java.beans.BeanInfo;
24 import java.beans.IntrospectionException;
25 import java.beans.Introspector;
26 import java.beans.PropertyDescriptor;
27 import java.lang.reflect.InvocationTargetException;
28 import java.lang.reflect.Method;
29 import org.springframework.stereotype.Component;
30 import org.onap.appc.client.lcm.api.LifeCycleManagerStateful;
31 import org.onap.appc.client.lcm.api.ResponseHandler;
32 import org.onap.appc.client.lcm.model.Status;
33 import org.slf4j.Logger;
34 import org.slf4j.LoggerFactory;
35 import com.fasterxml.jackson.annotation.JsonInclude.Include;
36 import com.fasterxml.jackson.core.JsonProcessingException;
37 import com.fasterxml.jackson.databind.ObjectMapper;
38 import com.fasterxml.jackson.databind.ObjectWriter;
39 import org.springframework.stereotype.Service;
41 public class ApplicationControllerSupport {
43 private static final int ACCEPT_SERIES = 100;
44 private static final int ERROR_SERIES = 200;
45 private static final int REJECT_SERIES = 300;
46 private static final int SUCCESS_SERIES = 400;
47 private static final int SUCCESS_STATUS = SUCCESS_SERIES;
48 private static final int PARTIAL_SERIES = 500;
49 private static final int PARTIAL_SUCCESS_STATUS = PARTIAL_SERIES;
50 private static final int PARTIAL_FAILURE_STATUS = PARTIAL_SERIES + 1;
52 private static Logger logger = LoggerFactory.getLogger(ApplicationControllerSupport.class);
53 private String lcmModelPackage = "org.onap.appc.client.lcm.model";
58 * @throws ClassNotFoundException
59 * @throws InstantiationException
60 * @throws IllegalAccessException
62 public Object getInput(String action) {
64 return getInputClass(action).newInstance();
65 } catch (IllegalAccessException | InstantiationException e) {
66 throw new RuntimeException(
67 String.format("%s : %s", "Unable to instantiate viable LCM Kit input class for action", action), e);
74 * @throws ClassNotFoundException
76 public Method getAPIMethod(String action, LifeCycleManagerStateful lcmStateful, boolean async) {
77 Method[] methods = lcmStateful.getClass().getMethods();
78 for (Method method : methods) {
79 if (method.getName().equalsIgnoreCase(action)) {
80 Class<?>[] methodParameterTypes = method.getParameterTypes();
81 if (methodParameterTypes.length > 0) {
82 if (getInputClass(action).equals(methodParameterTypes[0])) {
84 if (methodParameterTypes.length == 2
85 && ResponseHandler.class.isAssignableFrom(methodParameterTypes[1])) {
88 } else if (methodParameterTypes.length == 1) {
95 throw new RuntimeException(String.format("%s : %s, async=%b",
96 "Unable to derive viable LCM Kit API method for action", action, async));
99 public Status getStatusFromGenericResponse(Object response) {
100 Method statusReader = getBeanPropertyMethodFor(response.getClass(), "status", false);
101 if (statusReader != null) {
103 return (Status) statusReader.invoke(response);
104 } catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
105 logger.error("Unable to obtain status from LCM Kit response", e);
111 public static StatusCategory getCategoryOf(Status status) {
112 int codeSeries = status.getCode() - (status.getCode() % 100);
113 switch (codeSeries) {
115 return StatusCategory.NORMAL;
118 return StatusCategory.ERROR;
120 return status.getCode() == SUCCESS_STATUS ? StatusCategory.NORMAL : StatusCategory.ERROR;
122 switch (status.getCode()) {
123 case PARTIAL_SUCCESS_STATUS:
124 return StatusCategory.NORMAL;
125 case PARTIAL_FAILURE_STATUS:
126 return StatusCategory.ERROR;
128 return StatusCategory.WARNING;
131 return StatusCategory.WARNING;
135 public static boolean getFinalityOf(Status status) {
136 int codeSeries = status.getCode() - (status.getCode() % 100);
137 switch (codeSeries) {
150 private Method getBeanPropertyMethodFor(Class<?> clazz, String propertyName, boolean isWriter) {
153 beanInfo = Introspector.getBeanInfo(clazz, Object.class);
154 } catch (IntrospectionException e) {
155 throw new RuntimeException(
156 String.format("Unable to produce bean property method for class : %s, property : %s, writer=%b",
157 clazz.getName(), propertyName, isWriter),
160 PropertyDescriptor[] propertyDescriptors = beanInfo.getPropertyDescriptors();
161 for (PropertyDescriptor propertyDescriptor : propertyDescriptors) {
162 if (propertyDescriptor.getName().equals(propertyName)) {
163 return isWriter ? propertyDescriptor.getWriteMethod() : propertyDescriptor.getReadMethod();
166 throw new RuntimeException(
167 String.format("Unable to produce bean property method for class : %s, property : %s, writer=%b",
168 clazz.getName(), propertyName, isWriter));
174 * @throws ClassNotFoundException
176 private Class<?> getInputClass(String action) {
178 return Class.forName(lcmModelPackage + '.' + action + "Input");
179 } catch (ClassNotFoundException e) {
180 throw new RuntimeException(String.format("%s : %s using package : %s",
181 "Unable to identify viable LCM Kit input class for action", action, lcmModelPackage), e);
185 public enum StatusCategory {
186 NORMAL("normal"), WARNING("warning"), ERROR("error");
188 private final String category;
190 private StatusCategory(final String category) {
191 this.category = category;
195 public String toString() {
200 public void logLCMMessage(Object message) {
201 ObjectMapper objectMapper = new ObjectMapper();
202 objectMapper.setSerializationInclusion(Include.NON_NULL);
203 ObjectWriter writer = objectMapper.writerWithDefaultPrettyPrinter();
206 inputAsJSON = writer.writeValueAsString(message);
207 logger.info("LCM Kit input message follows: {}", inputAsJSON);
208 } catch (JsonProcessingException e) {
209 logger.error("Error in logging LCM Message", e);