Support addition of pattern constraint

Issue-ID: SDC-4260
Change-Id: I2eccf88472c144d8f595a9d8ec028705e924fd67
Signed-off-by: JvD_Ericsson <jeff.van.dam@est.tech>
diff --git a/catalog-be/src/main/java/org/openecomp/sdc/be/tosca/PropertyConvertor.java b/catalog-be/src/main/java/org/openecomp/sdc/be/tosca/PropertyConvertor.java
index 90a5161..f1c8a17 100644
--- a/catalog-be/src/main/java/org/openecomp/sdc/be/tosca/PropertyConvertor.java
+++ b/catalog-be/src/main/java/org/openecomp/sdc/be/tosca/PropertyConvertor.java
@@ -52,6 +52,7 @@
 import org.openecomp.sdc.be.model.tosca.constraints.LessThanConstraint;
 import org.openecomp.sdc.be.model.tosca.constraints.MaxLengthConstraint;
 import org.openecomp.sdc.be.model.tosca.constraints.MinLengthConstraint;
+import org.openecomp.sdc.be.model.tosca.constraints.PatternConstraint;
 import org.openecomp.sdc.be.model.tosca.constraints.ValidValuesConstraint;
 import org.openecomp.sdc.be.model.tosca.converters.DataTypePropertyConverter;
 import org.openecomp.sdc.be.model.tosca.converters.ToscaMapValueConverter;
@@ -69,6 +70,7 @@
 import org.openecomp.sdc.be.tosca.model.ToscaPropertyConstraintLessThan;
 import org.openecomp.sdc.be.tosca.model.ToscaPropertyConstraintMaxLength;
 import org.openecomp.sdc.be.tosca.model.ToscaPropertyConstraintMinLength;
+import org.openecomp.sdc.be.tosca.model.ToscaPropertyConstraintPattern;
 import org.openecomp.sdc.be.tosca.model.ToscaPropertyConstraintValidValues;
 import org.openecomp.sdc.be.tosca.model.ToscaSchemaDefinition;
 import org.openecomp.sdc.common.log.wrappers.Logger;
@@ -173,6 +175,9 @@
             if (constraint instanceof MaxLengthConstraint) {
                 convertedConstraints.add(new ToscaPropertyConstraintMaxLength(((MaxLengthConstraint) constraint).getMaxLength()));
             }
+            if (constraint instanceof PatternConstraint) {
+                convertedConstraints.add(new ToscaPropertyConstraintPattern(((PatternConstraint) constraint).getPattern()));
+            }
         }
         return convertedConstraints;
     }
diff --git a/catalog-be/src/main/java/org/openecomp/sdc/be/tosca/model/ToscaPropertyConstraintPattern.java b/catalog-be/src/main/java/org/openecomp/sdc/be/tosca/model/ToscaPropertyConstraintPattern.java
new file mode 100644
index 0000000..7008d69
--- /dev/null
+++ b/catalog-be/src/main/java/org/openecomp/sdc/be/tosca/model/ToscaPropertyConstraintPattern.java
@@ -0,0 +1,49 @@
+/*
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2022 Nordix Foundation
+ *  ================================================================================
+ *  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.
+ *
+ *  SPDX-License-Identifier: Apache-2.0
+ *  ============LICENSE_END=========================================================
+ */
+package org.openecomp.sdc.be.tosca.model;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.Setter;
+import org.openecomp.sdc.be.datatypes.enums.ConstraintType;
+
+/**
+ * Represents a TOSCA equal constraint
+ */
+@Getter
+@Setter
+@AllArgsConstructor
+public class ToscaPropertyConstraintPattern implements ToscaPropertyConstraint {
+
+    private String pattern;
+    private static final ConstraintType CONSTRAINT_TYPE = ConstraintType.PATTERN;
+
+    @Override
+    public String getEntryToscaName(final String attributeName) {
+        if ("pattern".equals(attributeName)) {
+            return CONSTRAINT_TYPE.getType();
+        }
+        return attributeName;
+    }
+
+    @Override
+    public ConstraintType getConstraintType() {
+        return CONSTRAINT_TYPE;
+    }
+}
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/impl/PropertyOperation.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/impl/PropertyOperation.java
index b54b401..dc97e25 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/impl/PropertyOperation.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/operations/impl/PropertyOperation.java
@@ -100,6 +100,7 @@
 import org.openecomp.sdc.be.model.tosca.constraints.LessThanConstraint;
 import org.openecomp.sdc.be.model.tosca.constraints.MaxLengthConstraint;
 import org.openecomp.sdc.be.model.tosca.constraints.MinLengthConstraint;
+import org.openecomp.sdc.be.model.tosca.constraints.PatternConstraint;
 import org.openecomp.sdc.be.model.tosca.constraints.ValidValuesConstraint;
 import org.openecomp.sdc.be.model.tosca.converters.PropertyValueConverter;
 import org.openecomp.sdc.be.model.validation.ToscaFunctionValidator;
@@ -2300,6 +2301,16 @@
                                 log.warn("The value of max length constraint is null");
                             }
                             break;
+                        case PATTERN:
+                            if (value != null) {
+                                String asString = value.getAsString();
+                                log.debug("Before adding value to PatternConstraint object. value = {}", asString);
+                                propertyConstraint = new PatternConstraint(asString);
+                                break;
+                            } else {
+                                log.warn("The value of pattern constraint is null");
+                            }
+                            break;
                         default:
                             log.warn("Key {} is not supported. Ignored.", key);
                     }
@@ -2360,6 +2371,9 @@
                             case MAX_LENGTH:
                                 propertyConstraint = deserializeConstraintWithIntegerOperand(value, MaxLengthConstraint.class);
                                 break;
+                            case PATTERN:
+                                propertyConstraint = deserializeConstraintWithStringOperand(value, PatternConstraint.class);
+                                break;
                             default:
                                 log.warn("Key {} is not supported. Ignored.", field.getKey());
                         }
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/constraints/PatternConstraint.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/constraints/PatternConstraint.java
index be4805b..1ee9631 100644
--- a/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/constraints/PatternConstraint.java
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/constraints/PatternConstraint.java
@@ -21,6 +21,7 @@
 
 import java.util.regex.Pattern;
 import javax.validation.constraints.NotNull;
+import lombok.NoArgsConstructor;
 import org.openecomp.sdc.be.datatypes.enums.ConstraintType;
 import org.openecomp.sdc.be.model.PropertyConstraint;
 import org.openecomp.sdc.be.model.tosca.ToscaType;
@@ -29,6 +30,7 @@
 import org.openecomp.sdc.be.model.tosca.constraints.exception.PropertyConstraintException;
 import lombok.Getter;
 
+@NoArgsConstructor
 public class PatternConstraint extends AbstractStringPropertyConstraint {
 
     @NotNull
@@ -36,6 +38,10 @@
     private String pattern;
     private Pattern compiledPattern;
 
+    public PatternConstraint(String pattern) {
+        setPattern(pattern);
+    }
+
     public void setPattern(String pattern) {
         this.pattern = pattern;
         this.compiledPattern = Pattern.compile(this.pattern);
diff --git a/catalog-ui/src/app/ng2/pages/properties-assignment/constraints/constraints.component.ts b/catalog-ui/src/app/ng2/pages/properties-assignment/constraints/constraints.component.ts
index 2e56ce1..831732d 100644
--- a/catalog-ui/src/app/ng2/pages/properties-assignment/constraints/constraints.component.ts
+++ b/catalog-ui/src/app/ng2/pages/properties-assignment/constraints/constraints.component.ts
@@ -170,6 +170,14 @@
       if (Array.isArray(constraint.value)) {
         return !(constraint.value.length == 0 || this.doesArrayContaintEmptyValues(constraint.value));
       }
+      if (constraint.type == ConstraintTypes.pattern) {
+        try {
+          new RegExp(constraint.value);
+          this.valid = true;
+        } catch(e) {
+          this.valid = false;
+        }
+      }
       return constraint.value && constraint.type != ConstraintTypes.null
     });
   }
diff --git a/common-be/src/main/java/org/openecomp/sdc/be/datatypes/enums/ConstraintType.java b/common-be/src/main/java/org/openecomp/sdc/be/datatypes/enums/ConstraintType.java
index cef310e..80672b6 100644
--- a/common-be/src/main/java/org/openecomp/sdc/be/datatypes/enums/ConstraintType.java
+++ b/common-be/src/main/java/org/openecomp/sdc/be/datatypes/enums/ConstraintType.java
@@ -39,6 +39,7 @@
     MAX_LENGTH("max_length", "maxLength"),
     VALID_VALUES("valid_values", "validValues"),
     LESS_THAN("less_than", "lessThan"),
+    PATTERN("pattern"),
     SCHEMA("schema");
 
     private static final Set<ConstraintType> comparableConstraints = Set.of(ConstraintType.GREATER_THAN, ConstraintType.LESS_THAN);