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package org.openecomp.sdc.be.components.path;
import fj.data.Either;
import org.apache.commons.lang.StringUtils;
import org.openecomp.sdc.be.components.impl.ResponseFormatManager;
import org.openecomp.sdc.be.dao.api.ActionStatus;
import org.openecomp.sdc.be.datatypes.elements.ForwardingPathDataDefinition;
import org.openecomp.sdc.be.model.ComponentParametersView;
import org.openecomp.sdc.be.model.Service;
import org.openecomp.sdc.be.model.jsontitan.operations.ToscaOperationFacade;
import org.openecomp.sdc.be.model.operations.api.StorageOperationStatus;
import org.openecomp.sdc.exception.ResponseFormat;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
@Component("forwardingPathValidator")
public class ForwardingPathValidator {
@Autowired
protected ToscaOperationFacade toscaOperationFacade;
private static final Logger LOGGER = LoggerFactory.getLogger(ForwardingPathValidator.class);
private static final int PATH_NAME_LENGTH = 200;
private static final int PROTOCOL_LENGTH = 200;
private static final int DESTINATION_PORT_LENGTH = 200;
public Either<Boolean, ResponseFormat> validateForwardingPaths(Collection<ForwardingPathDataDefinition> paths,
String serviceId, boolean isUpdate) {
for (ForwardingPathDataDefinition path : paths) {
Either<Boolean, ResponseFormat> forwardingPathResponseEither = validateForwardingPath(path,
serviceId, isUpdate);
if (forwardingPathResponseEither.isRight()) {
return forwardingPathResponseEither;
}
}
return Either.left(Boolean.TRUE);
}
private Either<Boolean, ResponseFormat> validateForwardingPath(ForwardingPathDataDefinition path,
String serviceId, boolean isUpdate) {
ResponseFormatManager responseFormatManager = getResponseFormatManager();
Either<Boolean, ResponseFormat> errorResponseName = validateName(path,
responseFormatManager, serviceId, isUpdate);
if (errorResponseName != null)
return errorResponseName;
Either<Boolean, ResponseFormat> protocolErrorResponse = validateProtocol(path, responseFormatManager);
if (protocolErrorResponse != null)
return protocolErrorResponse;
Either<Boolean, ResponseFormat> portNumberResponse = validateDestinationPortNumber(path, responseFormatManager);
if (portNumberResponse != null)
return portNumberResponse;
return Either.left(true);
}
private Either<Boolean, ResponseFormat> validateDestinationPortNumber(ForwardingPathDataDefinition dataDefinition,
ResponseFormatManager responseFormatManager) {
if (dataDefinition.getDestinationPortNumber() != null &&
dataDefinition.getDestinationPortNumber().length() > DESTINATION_PORT_LENGTH ) {
LOGGER.debug("Forwarding path destination port {} too long, , maximum allowed 200 characters ",
dataDefinition.getDestinationPortNumber());
ResponseFormat errorResponse = responseFormatManager.getResponseFormat(ActionStatus
.FORWARDING_PATH_DESTINATION_PORT_MAXIMUM_LENGTH, dataDefinition.getDestinationPortNumber());
return Either.right(errorResponse);
}
return null;
}
private Either<Boolean, ResponseFormat> validateProtocol(ForwardingPathDataDefinition dataDefinition,
ResponseFormatManager responseFormatManager) {
if (dataDefinition.getProtocol() != null && dataDefinition.getProtocol().length() > PROTOCOL_LENGTH) {
LOGGER.debug("Forwarding path protocol {} too long, , maximum allowed 200 characters ", dataDefinition.getProtocol());
ResponseFormat errorResponse = responseFormatManager.getResponseFormat(ActionStatus
.FORWARDING_PATH_PROTOCOL_MAXIMUM_LENGTH, dataDefinition.getProtocol());
return Either.right(errorResponse);
}
return null;
}
private Either<Boolean, ResponseFormat> validateName(ForwardingPathDataDefinition dataDefinition,
ResponseFormatManager responseFormatManager,
String serviceId, boolean isUpdate) {
String pathName = dataDefinition.getName();
Either<Boolean, ResponseFormat> pathEmptyResponse = validatePathNameIfEmpty(responseFormatManager, pathName);
if (pathEmptyResponse != null)
return pathEmptyResponse;
Either<Boolean, ResponseFormat> pathLengthResponse = validatePathNameLength(responseFormatManager, pathName);
if (pathLengthResponse != null)
return pathLengthResponse;
Either<Boolean, ResponseFormat> isPathNameUniqueResponse = validatePathIfUnique(dataDefinition, serviceId, isUpdate, responseFormatManager );
if(isPathNameUniqueResponse.isRight()) {
return Either.right(isPathNameUniqueResponse.right().value());
}
if (!isPathNameUniqueResponse.left().value()) {
LOGGER.debug("Forwarding path name {} already in use ", dataDefinition.getName());
ResponseFormat errorResponse = responseFormatManager.getResponseFormat(ActionStatus
.FORWARDING_PATH_NAME_ALREADY_IN_USE, dataDefinition.getName());
return Either.right(errorResponse);
}
return null;
}
private Either<Boolean, ResponseFormat> validatePathNameLength(ResponseFormatManager responseFormatManager, String pathName) {
if (pathName.length() > PATH_NAME_LENGTH) {
LOGGER.debug("Forwarding path name {} too long, , maximum allowed 200 characters ", pathName);
ResponseFormat errorResponse = responseFormatManager.getResponseFormat(ActionStatus
.FORWARDING_PATH_NAME_MAXIMUM_LENGTH, pathName);
return Either.right(errorResponse);
}
return null;
}
private Either<Boolean, ResponseFormat> validatePathNameIfEmpty(ResponseFormatManager responseFormatManager, String pathName) {
if (StringUtils.isEmpty(pathName)) {
LOGGER.debug("Forwarding Path Name can't be empty");
ResponseFormat errorResponse = responseFormatManager.getResponseFormat(ActionStatus.FORWARDING_PATH_NAME_EMPTY);
return Either.right(errorResponse);
}
return null;
}
private Either<Boolean, ResponseFormat> validatePathIfUnique(ForwardingPathDataDefinition dataDefinition, String serviceId,
boolean isUpdate, ResponseFormatManager responseFormatManager) {
boolean isPathNameUnique = false;
ComponentParametersView filter = new ComponentParametersView(true);
filter.setIgnoreForwardingPath(false);
Either<Service, StorageOperationStatus> forwardingPathOrigin = toscaOperationFacade
.getToscaElement(serviceId, filter);
if (forwardingPathOrigin.isRight()){
return Either.right(responseFormatManager.getResponseFormat(ActionStatus.GENERAL_ERROR));
}
Collection<ForwardingPathDataDefinition> allPaths = forwardingPathOrigin.left().value().getForwardingPaths().values();
Map<String, String> pathNames = new HashMap<>();
allPaths.forEach( path -> pathNames.put(path.getUniqueId(), path.getName()) );
if (isUpdate){
for(Map.Entry<String, String> entry : pathNames.entrySet()){
if (entry.getKey().equals(dataDefinition.getUniqueId()) && entry.getValue().
equals(dataDefinition.getName())) {
isPathNameUnique = true;
}
if(entry.getKey().equals(dataDefinition.getUniqueId()) && !pathNames.values().contains(dataDefinition.getName())){
isPathNameUnique = true;
}
}
}
else
if (!pathNames.values().contains(dataDefinition.getName())){
isPathNameUnique = true;
}
return Either.left(isPathNameUnique);
}
protected ResponseFormatManager getResponseFormatManager() {
return ResponseFormatManager.getInstance();
}
}
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