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.adapters.appc.orchestrator.client;
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.onap.appc.client.lcm.api.LifeCycleManagerStateful;
30 import org.onap.appc.client.lcm.api.ResponseHandler;
31 import org.onap.appc.client.lcm.exceptions.AppcClientException;
32 import org.onap.appc.client.lcm.model.Status;
33 import org.slf4j.Logger;
34 import org.slf4j.LoggerFactory;
35 import org.springframework.stereotype.Component;
36 import com.fasterxml.jackson.annotation.JsonInclude.Include;
37 import com.fasterxml.jackson.core.JsonProcessingException;
38 import com.fasterxml.jackson.databind.ObjectMapper;
39 import com.fasterxml.jackson.databind.ObjectWriter;
43 public class ApplicationControllerSupport {
45 private static final int ACCEPT_SERIES = 100;
46 private static final int ERROR_SERIES = 200;
47 private static final int REJECT_SERIES = 300;
48 private static final int SUCCESS_SERIES = 400;
49 private static final int SUCCESS_STATUS = SUCCESS_SERIES;
50 private static final int PARTIAL_SERIES = 500;
51 private static final int PARTIAL_SUCCESS_STATUS = PARTIAL_SERIES;
52 private static final int PARTIAL_FAILURE_STATUS = PARTIAL_SERIES + 1;
54 private static Logger logger = LoggerFactory.getLogger(ApplicationControllerSupport.class);
55 private String lcmModelPackage = "org.onap.appc.client.lcm.model";
60 * @throws ClassNotFoundException
61 * @throws InstantiationException
62 * @throws IllegalAccessException
64 public Object getInput(String action) {
66 return getInputClass(action).newInstance();
67 } catch (IllegalAccessException | InstantiationException e) {
68 throw new RuntimeException(
69 String.format("%s : %s", "Unable to instantiate viable LCM Kit input class for action", action), e);
76 * @throws ClassNotFoundException
78 public Method getAPIMethod(String action, LifeCycleManagerStateful lcmStateful, boolean async) {
79 Method[] methods = lcmStateful.getClass().getMethods();
80 for (Method method : methods) {
81 if (method.getName().equalsIgnoreCase(action)) {
82 Class<?>[] methodParameterTypes = method.getParameterTypes();
83 if (methodParameterTypes.length > 0) {
84 if (getInputClass(action).equals(methodParameterTypes[0])) {
86 if (methodParameterTypes.length == 2
87 && ResponseHandler.class.isAssignableFrom(methodParameterTypes[1])) {
90 } else if (methodParameterTypes.length == 1) {
97 throw new RuntimeException(String.format("%s : %s, async=%b",
98 "Unable to derive viable LCM Kit API method for action", action, async));
101 public Status getStatusFromGenericResponse(Object response) {
102 Method statusReader = getBeanPropertyMethodFor(response.getClass(), "status", false);
103 if (statusReader != null) {
105 return (Status) statusReader.invoke(response);
106 } catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
107 logger.error("Unable to obtain status from LCM Kit response", e);
113 public StatusCategory getCategoryOf(Status status) {
114 int codeSeries = status.getCode() - (status.getCode() % 100);
115 switch (codeSeries) {
117 return StatusCategory.NORMAL;
120 return StatusCategory.ERROR;
122 return status.getCode() == SUCCESS_STATUS ? StatusCategory.NORMAL : StatusCategory.ERROR;
124 switch (status.getCode()) {
125 case PARTIAL_SUCCESS_STATUS:
126 return StatusCategory.NORMAL;
127 case PARTIAL_FAILURE_STATUS:
128 return StatusCategory.ERROR;
130 return StatusCategory.WARNING;
133 return StatusCategory.WARNING;
137 public boolean getFinalityOf(Status status) {
138 int codeSeries = status.getCode() - (status.getCode() % 100);
139 switch (codeSeries) {
152 private Method getBeanPropertyMethodFor(Class<?> clazz, String propertyName, boolean isWriter) {
155 beanInfo = Introspector.getBeanInfo(clazz, Object.class);
156 } catch (IntrospectionException e) {
157 throw new RuntimeException(
158 String.format("Unable to produce bean property method for class : %s, property : %s, writer=%b",
159 clazz.getName(), propertyName, isWriter),
162 PropertyDescriptor[] propertyDescriptors = beanInfo.getPropertyDescriptors();
163 for (PropertyDescriptor propertyDescriptor : propertyDescriptors) {
164 if (propertyDescriptor.getName().equals(propertyName)) {
165 return isWriter ? propertyDescriptor.getWriteMethod() : propertyDescriptor.getReadMethod();
168 throw new RuntimeException(
169 String.format("Unable to produce bean property method for class : %s, property : %s, writer=%b",
170 clazz.getName(), propertyName, isWriter));
176 * @throws ClassNotFoundException
178 private Class<?> getInputClass(String action) {
180 return Class.forName(lcmModelPackage + '.' + action + "Input");
181 } catch (ClassNotFoundException e) {
182 throw new RuntimeException(String.format("%s : %s using package : %s",
183 "Unable to identify viable LCM Kit input class for action", action, lcmModelPackage), e);
188 public void logLCMMessage(Object message) {
189 ObjectMapper objectMapper = new ObjectMapper();
190 objectMapper.setSerializationInclusion(Include.NON_NULL);
191 ObjectWriter writer = objectMapper.writerWithDefaultPrettyPrinter();
194 inputAsJSON = writer.writeValueAsString(message);
195 logger.info("LCM Kit input message follows: {}", inputAsJSON);
196 } catch (JsonProcessingException e) {
197 logger.error("Error in logging LCM Message", e);
201 public Status buildStatusFromAppcException(AppcClientException exception) {
202 Status exceptionStatus = new Status();
203 exceptionStatus.setCode(200);
204 exceptionStatus.setMessage("Exception on APPC request: " + exception.getMessage());
205 return exceptionStatus;