1 files changed, 73 insertions, 0 deletions
diff --git a/dcaedt_be/src/main/java/org/onap/sdc/dcae/rule/editor/validators/MappingRulesValidator.java b/dcaedt_be/src/main/java/org/onap/sdc/dcae/rule/editor/validators/MappingRulesValidator.java
new file mode 100644
index 0000000..90fda4d
--- /dev/null
+++ b/dcaedt_be/src/main/java/org/onap/sdc/dcae/rule/editor/validators/MappingRulesValidator.java
@@ -0,0 +1,73 @@
+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;
+	}
+}