diff options
author | Benjamin, Max (mb388a) <mb388a@us.att.com> | 2018-03-21 14:16:56 -0400 |
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committer | Benjamin, Max (mb388a) <mb388a@us.att.com> | 2018-03-21 14:18:16 -0400 |
commit | db675a54e8e7bb3553e059d237774b4b737488f1 (patch) | |
tree | c2eaec34581f45ee16cb15ea3a208a61348b6fc0 /common/src/main/java/org/openecomp/mso/openpojo/rules/HasEqualsAndHashCodeRule.java | |
parent | 558a73181640d0d19f7f05cab6e0b8568574b504 (diff) |
added custom validators for use with openpojo
Change-Id: I7c9fdeb6bccddb1b7ec6bf845351731c3043aafa
Issue-ID: SO-510
Signed-off-by: Benjamin, Max (mb388a) <mb388a@us.att.com>
Diffstat (limited to 'common/src/main/java/org/openecomp/mso/openpojo/rules/HasEqualsAndHashCodeRule.java')
-rw-r--r-- | common/src/main/java/org/openecomp/mso/openpojo/rules/HasEqualsAndHashCodeRule.java | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/common/src/main/java/org/openecomp/mso/openpojo/rules/HasEqualsAndHashCodeRule.java b/common/src/main/java/org/openecomp/mso/openpojo/rules/HasEqualsAndHashCodeRule.java new file mode 100644 index 0000000000..4ef560721f --- /dev/null +++ b/common/src/main/java/org/openecomp/mso/openpojo/rules/HasEqualsAndHashCodeRule.java @@ -0,0 +1,81 @@ +/*- + * ============LICENSE_START======================================================= + * ONAP - SO + * ================================================================================ + * Copyright (C) 2018 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.mso.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; + +/** + * This rule ensures that classes have overriden the default equals and hashCode methods from Object + */ +public class HasEqualsAndHashCodeRule implements Rule { + + private final Matcher m; + public HasEqualsAndHashCodeRule() { + m = anything(); + } + + public HasEqualsAndHashCodeRule(Matcher m) { + this.m = m; + } + @Override + public void evaluate(PojoClass pojoClass) { + Class<?> clazz = pojoClass.getClazz(); + if (anyOf(m).matches(clazz)) { + boolean hasEquals = false; + boolean hasHashCode = 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 ("equals".equals(method.getName()) && boolean.class.equals(method.getReturnType()) && parameters.length == 1 && Object.class.equals(parameters[0].getType())) { + hasEquals = true; + } else if ("hashCode".equals(method.getName()) && int.class.equals(method.getReturnType())) { + hasHashCode = true; + } + } + + if (!hasEquals) { + Affirm.fail(String.format( + "[%s] does not override equals", name)); + } + if (!hasHashCode) { + Affirm.fail(String.format( + "[%s] does not override hashCode", name)); + } + } + } + +} |