1 files changed, 85 insertions, 0 deletions
diff --git a/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/validators/IntegerValidator.java b/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/validators/IntegerValidator.java
new file mode 100644
index 0000000000..61d321c45e
--- /dev/null
+++ b/catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/validators/IntegerValidator.java
@@ -0,0 +1,85 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. 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.openecomp.sdc.be.model.tosca.validators;
+
+import java.util.Map;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import org.openecomp.sdc.be.model.DataTypeDefinition;
+
+public class IntegerValidator implements PropertyTypeValidator {
+
+	private static IntegerValidator integerValidator = new IntegerValidator();
+
+	private IntegerValidator() {
+	}
+
+	public static IntegerValidator getInstance() {
+		return integerValidator;
+	}
+
+	private class PatternBase {
+		public PatternBase(Pattern pattern, Integer base) {
+			this.pattern = pattern;
+			this.base = base;
+		}
+
+		Pattern pattern;
+		Integer base;
+	}
+
+	private PatternBase base8Pattern = new PatternBase(Pattern.compile("([-+])?0o([0-7]+)"), 8);
+	private PatternBase base10Pattern = new PatternBase(Pattern.compile("([-+])?(0|[1-9][0-9]*)"), 10);
+	private PatternBase base16Pattern = new PatternBase(Pattern.compile("([-+])?0x([0-9a-fA-F]+)"), 16);
+
+	private PatternBase[] patterns = { base10Pattern, base8Pattern, base16Pattern };
+
+	@Override
+	public boolean isValid(String value, String innerType, Map<String, DataTypeDefinition> allDataTypes) {
+
+		if (value == null || true == value.isEmpty()) {
+			return true;
+		}
+
+		for (PatternBase patternBase : patterns) {
+			Matcher matcher = patternBase.pattern.matcher(value);
+			Long parsed = null;
+			if (matcher.matches()) {
+				try {
+					parsed = Long.parseLong(matcher.group(2), patternBase.base);
+					if (matcher.group(1) != null && matcher.group(1).compareTo("-") == 0) {
+						parsed *= -1;
+					}
+					return (Integer.MIN_VALUE <= parsed && parsed <= (Integer.MAX_VALUE)) ? true : false;
+				} catch (NumberFormatException e) {
+					return false;
+				}
+			}
+		}
+		return false;
+	}
+
+	@Override
+	public boolean isValid(String value, String innerType) {
+		return isValid(value, innerType, null);
+	}
+}