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package org.onap.sdc.dcae.rule.editor.validators;
import org.onap.sdc.common.onaplog.Enums.LogLevel;
import org.onap.sdc.dcae.composition.restmodels.ruleeditor.MappingRules;
import org.onap.sdc.dcae.composition.restmodels.ruleeditor.Rule;
import org.onap.sdc.dcae.errormng.ActionStatus;
import org.onap.sdc.dcae.errormng.ErrConfMgr;
import org.onap.sdc.dcae.errormng.ResponseFormat;
import org.onap.sdc.dcae.rule.editor.utils.ValidationUtils;
import org.onap.sdc.dcae.ves.VesStructureLoader;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.stream.Collectors;
public class MappingRulesValidator implements IRuleElementValidator<MappingRules> {
private RuleValidator ruleValidator = RuleValidator.getInstance();
private static MappingRulesValidator mappingRulesValidator = new MappingRulesValidator();
public static MappingRulesValidator getInstance() {
return mappingRulesValidator;
}
private MappingRulesValidator(){}
public boolean validate(MappingRules rules, List<ResponseFormat> errors) {
return validateVersionAndType(rules, errors) && validateImportedGroupDefinitions(rules, errors) && rules.getRules().values().stream().map(r -> ruleValidator.validate(r, errors))
.reduce(true, (x,y) -> x && y);
// TODO consider using 'allMatch' which will stop on the first error
}
private boolean validateVersionAndType(MappingRules rules, List<ResponseFormat> errors) {
Map<String, Set<String>> supportedVersions = VesStructureLoader.getAvailableVersionsAndEventTypes();
boolean valid = ValidationUtils.validateNotEmpty(rules.getVersion()) && supportedVersions.containsKey(rules.getVersion()) && ValidationUtils.validateNotEmpty(rules.getEventType()) && supportedVersions.get(rules.getVersion()).contains(rules.getEventType());
errLogger.log(LogLevel.INFO, this.getClass().getName(), "validate mapping rules fields: eventType/version {}", valid);
if(!valid) {
errors.add(ErrConfMgr.INSTANCE.getResponseFormat(ActionStatus.VES_SCHEMA_NOT_FOUND, null));
}
return valid;
}
private boolean validateImportedGroupDefinitions(MappingRules rules, List<ResponseFormat> errors) {
boolean valid = !rules.isEmpty() && (rules.getRules().values().stream().noneMatch(r -> ValidationUtils.validateNotEmpty(r.getGroupId()) || ValidationUtils.validateNotEmpty(r.getPhase())) || validateGroupDefinitions(rules));
errLogger.log(LogLevel.INFO, this.getClass().getName(), "validate group definitions {}", valid);
if(!valid) {
errors.add(ErrConfMgr.INSTANCE.getResponseFormat(ActionStatus.INVALID_RULE_FORMAT, null, "invalid phase definitions"));
}
return valid;
}
private boolean validateGroupDefinitions(MappingRules rules) {
return rules.getRules().values().stream().allMatch(r -> ValidationUtils.validateNotEmpty(r.getGroupId()) && ValidationUtils.validateNotEmpty(r.getPhase()))
&& rules.getRules().values().stream().collect(Collectors.groupingBy(Rule::getGroupId, Collectors.mapping(Rule::getPhase, Collectors.toSet()))).values().stream().allMatch(p -> 1 == p.size());
}
public boolean validateTranslationPhaseNames(MappingRules rules, List<ResponseFormat> errors) {
boolean valid = true;
Set<String> phases = rules.getRules().values().stream().map(Rule::getPhase).collect(Collectors.toSet());
if(phases.contains(rules.getEntryPhase())) {
valid = false;
errors.add(ErrConfMgr.INSTANCE.getResponseFormat(ActionStatus.TRANSLATE_FAILED, null, "entry phase name already exists"));
}
if(phases.contains(rules.getPublishPhase())) {
valid = false;
errors.add(ErrConfMgr.INSTANCE.getResponseFormat(ActionStatus.TRANSLATE_FAILED, null, "publish phase name already exists"));
}
return valid;
}
}
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