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/*-
* ============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.openecomp.mso.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 com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;
import com.att.eelf.configuration.EELFLogger.Level;
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;
@Component
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;
protected final EELFLogger auditLogger = EELFManager.getInstance().getAuditLogger();
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) {
auditLogger.log(Level.ERROR, "Unable to obtain status from LCM Kit response", e, e.getMessage());
}
}
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);
auditLogger.log(Level.INFO, "\nLCM Kit input message follows: \n" + inputAsJSON, null);
} catch (JsonProcessingException e) {
auditLogger.log(Level.ERROR, "Error in logging LCM Message: ", e, e.getMessage());
}
}
}
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