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/*-
* ============LICENSE_START=======================================================
* sdc-distribution-client
* ================================================================================
* Copyright (C) 2020 Nokia. 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.sdc.impl;
import org.onap.sdc.api.consumer.IConfiguration;
import org.onap.sdc.api.consumer.IStatusCallback;
import org.onap.sdc.utils.DistributionActionResultEnum;
import org.onap.sdc.utils.DistributionClientConstants;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.function.Function;
import java.util.regex.Matcher;
public class ConfigurationValidator {
private Map<Function<IConfiguration, Boolean>, DistributionActionResultEnum> cachedValidators;
DistributionActionResultEnum validateConfiguration(IConfiguration conf, IStatusCallback statusCallback) {
final Map<Function<IConfiguration, Boolean>, DistributionActionResultEnum> validators = getValidators(statusCallback);
for (Map.Entry<Function<IConfiguration, Boolean>, DistributionActionResultEnum> validation : validators.entrySet()) {
if (isConfigurationNotValid(conf, validation)) {
return getError(validation);
}
}
return DistributionActionResultEnum.SUCCESS;
}
private synchronized Map<Function<IConfiguration, Boolean>, DistributionActionResultEnum> getValidators(IStatusCallback statusCallback) {
if(this.cachedValidators == null) {
final Map<Function<IConfiguration, Boolean>, DistributionActionResultEnum> validators = new LinkedHashMap<>();
validators.put(isConfigurationNotDefined(), DistributionActionResultEnum.CONFIGURATION_IS_MISSING);
validators.put(isCustomerIdNotSet(), DistributionActionResultEnum.CONF_MISSING_CONSUMER_ID);
validators.put(isUserNotSet(), DistributionActionResultEnum.CONF_MISSING_USERNAME);
validators.put(isPasswordNotSet(), DistributionActionResultEnum.CONF_MISSING_PASSWORD);
validators.put(isMsgBusAddressNotSet(), DistributionActionResultEnum.CONF_MISSING_MSG_BUS_ADDRESS);
validators.put(isAsdcAddressNotSet(), DistributionActionResultEnum.CONF_MISSING_ASDC_FQDN);
validators.put(isFqdnValid(), DistributionActionResultEnum.CONF_INVALID_ASDC_FQDN);
validators.put(areFqdnsValid(), DistributionActionResultEnum.CONF_INVALID_MSG_BUS_ADDRESS);
validators.put(isEnvNameNotSet(), DistributionActionResultEnum.CONF_MISSING_ENVIRONMENT_NAME);
validators.put(isRelevantArtifactTypesNotSet(), DistributionActionResultEnum.CONF_MISSING_ARTIFACT_TYPES);
validators.put(isConsumeStatusTopicWithCallbackNotSet(statusCallback), DistributionActionResultEnum.CONF_INVALID_CONSUME_PRODUCE_STATUS_TOPIC_FALG);
this.cachedValidators = validators;
}
return this.cachedValidators;
}
private DistributionActionResultEnum getError(Map.Entry<Function<IConfiguration, Boolean>, DistributionActionResultEnum> validation) {
return validation.getValue();
}
private boolean isConfigurationNotValid(IConfiguration conf, Map.Entry<Function<IConfiguration, Boolean>, DistributionActionResultEnum> validation) {
return validation.getKey().apply(conf);
}
private Function<IConfiguration, Boolean> isConsumeStatusTopicWithCallbackNotSet(IStatusCallback statusCallback) {
return it -> it.isConsumeProduceStatusTopic() && Objects.isNull(statusCallback);
}
private Function<IConfiguration, Boolean> isRelevantArtifactTypesNotSet() {
return it -> it.getRelevantArtifactTypes() == null || it.getRelevantArtifactTypes().isEmpty();
}
private Function<IConfiguration, Boolean> isEnvNameNotSet() {
return it -> it.getEnvironmentName() == null || it.getEnvironmentName().isEmpty();
}
private Function<IConfiguration, Boolean> areFqdnsValid() {
return it -> !isValidFqdns(it.getMsgBusAddress());
}
private Function<IConfiguration, Boolean> isFqdnValid() {
return it -> !isValidFqdn(it.getAsdcAddress());
}
private Function<IConfiguration, Boolean> isMsgBusAddressNotSet() {
return it -> it.getMsgBusAddress() == null || it.getMsgBusAddress().isEmpty();
}
private Function<IConfiguration, Boolean> isPasswordNotSet() {
return it -> it.getPassword() == null || it.getPassword().isEmpty();
}
private Function<IConfiguration, Boolean> isConfigurationNotDefined() {
return Objects::isNull;
}
private Function<IConfiguration, Boolean> isUserNotSet() {
return it -> it.getUser() == null || it.getUser().isEmpty();
}
private Function<IConfiguration, Boolean> isCustomerIdNotSet() {
return it -> it.getConsumerID() == null || it.getConsumerID().isEmpty();
}
private Function<IConfiguration, Boolean> isAsdcAddressNotSet() {
return it -> it.getAsdcAddress() == null || it.getAsdcAddress().isEmpty();
}
static boolean isValidFqdn(String fqdn) {
Matcher matcher = DistributionClientConstants.FQDN_PATTERN.matcher(fqdn);
return matcher.matches();
}
static boolean isValidFqdns(List<String> fqdns) {
return fqdns.stream().allMatch(ConfigurationValidator::isValidFqdn);
}
}
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