diff options
Diffstat (limited to 'bpmn/MSOCommonBPMN/src/main/java/org/onap/so/client/appc/ApplicationControllerSupport.java')
-rw-r--r-- | bpmn/MSOCommonBPMN/src/main/java/org/onap/so/client/appc/ApplicationControllerSupport.java | 215 |
1 files changed, 215 insertions, 0 deletions
diff --git a/bpmn/MSOCommonBPMN/src/main/java/org/onap/so/client/appc/ApplicationControllerSupport.java b/bpmn/MSOCommonBPMN/src/main/java/org/onap/so/client/appc/ApplicationControllerSupport.java new file mode 100644 index 0000000000..ef8749ece9 --- /dev/null +++ b/bpmn/MSOCommonBPMN/src/main/java/org/onap/so/client/appc/ApplicationControllerSupport.java @@ -0,0 +1,215 @@ +/*- + * ============LICENSE_START======================================================= + * ONAP - SO + * ================================================================================ + * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved. + * ================================================================================ + * Licensed 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. + * ============LICENSE_END========================================================= + */ + +package org.onap.so.client.appc; + +import java.beans.BeanInfo; +import java.beans.IntrospectionException; +import java.beans.Introspector; +import java.beans.PropertyDescriptor; +import java.lang.reflect.InvocationTargetException; +import java.lang.reflect.Method; + +import org.springframework.stereotype.Component; + +import org.onap.appc.client.lcm.api.LifeCycleManagerStateful; +import org.onap.appc.client.lcm.api.ResponseHandler; +import org.onap.appc.client.lcm.model.Status; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import com.fasterxml.jackson.annotation.JsonInclude.Include; +import com.fasterxml.jackson.core.JsonProcessingException; +import com.fasterxml.jackson.databind.ObjectMapper; +import com.fasterxml.jackson.databind.ObjectWriter; +import org.springframework.stereotype.Service; + +public class ApplicationControllerSupport { + + private static final int ACCEPT_SERIES = 100; + private static final int ERROR_SERIES = 200; + private static final int REJECT_SERIES = 300; + private static final int SUCCESS_SERIES = 400; + private static final int SUCCESS_STATUS = SUCCESS_SERIES; + private static final int PARTIAL_SERIES = 500; + private static final int PARTIAL_SUCCESS_STATUS = PARTIAL_SERIES; + private static final int PARTIAL_FAILURE_STATUS = PARTIAL_SERIES + 1; + + private static Logger logger = LoggerFactory.getLogger(ApplicationControllerSupport.class); + private String lcmModelPackage = "org.onap.appc.client.lcm.model"; + + /** + * @param action + * @return + * @throws ClassNotFoundException + * @throws InstantiationException + * @throws IllegalAccessException + */ + public Object getInput(String action) { + try { + return getInputClass(action).newInstance(); + } catch (IllegalAccessException | InstantiationException e) { + throw new RuntimeException( + String.format("%s : %s", "Unable to instantiate viable LCM Kit input class for action", action), e); + } + } + + /** + * @param action + * @return + * @throws ClassNotFoundException + */ + public Method getAPIMethod(String action, LifeCycleManagerStateful lcmStateful, boolean async) { + Method[] methods = lcmStateful.getClass().getMethods(); + for (Method method : methods) { + if (method.getName().equalsIgnoreCase(action)) { + Class<?>[] methodParameterTypes = method.getParameterTypes(); + if (methodParameterTypes.length > 0) { + if (getInputClass(action).equals(methodParameterTypes[0])) { + if (async) { + if (methodParameterTypes.length == 2 + && ResponseHandler.class.isAssignableFrom(methodParameterTypes[1])) { + return method; + } + } else if (methodParameterTypes.length == 1) { + return method; + } + } + } + } + } + throw new RuntimeException(String.format("%s : %s, async=%b", + "Unable to derive viable LCM Kit API method for action", action, async)); + } + + public Status getStatusFromGenericResponse(Object response) { + Method statusReader = getBeanPropertyMethodFor(response.getClass(), "status", false); + if (statusReader != null) { + try { + return (Status) statusReader.invoke(response); + } catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException e) { + logger.error("Unable to obtain status from LCM Kit response", e); + } + } + return new Status(); + } + + public static StatusCategory getCategoryOf(Status status) { + int codeSeries = status.getCode() - (status.getCode() % 100); + switch (codeSeries) { + case ACCEPT_SERIES: + return StatusCategory.NORMAL; + case ERROR_SERIES: + case REJECT_SERIES: + return StatusCategory.ERROR; + case SUCCESS_SERIES: + return status.getCode() == SUCCESS_STATUS ? StatusCategory.NORMAL : StatusCategory.ERROR; + case PARTIAL_SERIES: + switch (status.getCode()) { + case PARTIAL_SUCCESS_STATUS: + return StatusCategory.NORMAL; + case PARTIAL_FAILURE_STATUS: + return StatusCategory.ERROR; + default: + return StatusCategory.WARNING; + } + default: + return StatusCategory.WARNING; + } + } + + public static boolean getFinalityOf(Status status) { + int codeSeries = status.getCode() - (status.getCode() % 100); + switch (codeSeries) { + case ACCEPT_SERIES: + case PARTIAL_SERIES: + return false; + case ERROR_SERIES: + case REJECT_SERIES: + case SUCCESS_SERIES: + return true; + default: + return true; + } + } + + private Method getBeanPropertyMethodFor(Class<?> clazz, String propertyName, boolean isWriter) { + BeanInfo beanInfo; + try { + beanInfo = Introspector.getBeanInfo(clazz, Object.class); + } catch (IntrospectionException e) { + throw new RuntimeException( + String.format("Unable to produce bean property method for class : %s, property : %s, writer=%b", + clazz.getName(), propertyName, isWriter), + e); + } + PropertyDescriptor[] propertyDescriptors = beanInfo.getPropertyDescriptors(); + for (PropertyDescriptor propertyDescriptor : propertyDescriptors) { + if (propertyDescriptor.getName().equals(propertyName)) { + return isWriter ? propertyDescriptor.getWriteMethod() : propertyDescriptor.getReadMethod(); + } + } + throw new RuntimeException( + String.format("Unable to produce bean property method for class : %s, property : %s, writer=%b", + clazz.getName(), propertyName, isWriter)); + } + + /** + * @param action + * @return + * @throws ClassNotFoundException + */ + private Class<?> getInputClass(String action) { + try { + return Class.forName(lcmModelPackage + '.' + action + "Input"); + } catch (ClassNotFoundException e) { + throw new RuntimeException(String.format("%s : %s using package : %s", + "Unable to identify viable LCM Kit input class for action", action, lcmModelPackage), e); + } + } + + public enum StatusCategory { + NORMAL("normal"), WARNING("warning"), ERROR("error"); + + private final String category; + + private StatusCategory(final String category) { + this.category = category; + } + + @Override + public String toString() { + return category; + } + } + + public void logLCMMessage(Object message) { + ObjectMapper objectMapper = new ObjectMapper(); + objectMapper.setSerializationInclusion(Include.NON_NULL); + ObjectWriter writer = objectMapper.writerWithDefaultPrettyPrinter(); + String inputAsJSON; + try { + inputAsJSON = writer.writeValueAsString(message); + logger.info("LCM Kit input message follows: {}" , inputAsJSON); + } catch (JsonProcessingException e) { + logger.error("Error in logging LCM Message", e); + } + } +} |