1 files changed, 72 insertions, 0 deletions
diff --git a/common/src/main/java/org/onap/so/openpojo/rules/HasToStringRule.java b/common/src/main/java/org/onap/so/openpojo/rules/HasToStringRule.java
new file mode 100644
index 0000000000..8a4333e0e2
--- /dev/null
+++ b/common/src/main/java/org/onap/so/openpojo/rules/HasToStringRule.java
@@ -0,0 +1,72 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ * 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.onap.so.openpojo.rules;
+
+import static org.hamcrest.CoreMatchers.anyOf;
+import static org.hamcrest.CoreMatchers.anything;
+
+import java.lang.reflect.Method;
+import java.lang.reflect.Parameter;
+
+import org.hamcrest.Matcher;
+
+import com.openpojo.reflection.PojoClass;
+import com.openpojo.validation.affirm.Affirm;
+import com.openpojo.validation.rule.Rule;
+
+public class HasToStringRule implements Rule {
+	
+	private final Matcher m;
+	public HasToStringRule() {
+		m = anything();
+	}
+	
+	public HasToStringRule(Matcher m) {
+		this.m = m;
+	}
+	@Override
+	public void evaluate(PojoClass pojoClass) {
+		Class<?> clazz = pojoClass.getClazz();
+		if (anyOf(m).matches(clazz)) { 
+			boolean hasToString = false;
+			final String name = clazz.getSimpleName();
+			final Method[] methods;
+			if (clazz.getSuperclass().equals(Object.class)) {
+				methods = clazz.getDeclaredMethods();
+			} else {
+				methods = clazz.getMethods();
+			}
+			for (Method method : methods) {
+				Parameter[] parameters = method.getParameters();
+				if ("toString".equals(method.getName()) && String.class.equals(method.getReturnType()) && parameters.length == 0) {
+					hasToString = true;
+					break;
+				}
+			}
+			
+			if (!hasToString) {
+				Affirm.fail(String.format(
+						"[%s] does not override toString", name));
+			}
+		}
+	}
+
+}