| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| |
| package org.apache.metron.common.field.validation; |
| |
| import org.apache.metron.stellar.dsl.Context; |
| |
| import java.util.List; |
| import java.util.Map; |
| import java.util.function.Predicate; |
| |
| public abstract class SimpleValidation implements FieldValidation, Predicate<List<Object>> { |
| @Override |
| public boolean isValid( Map<String, Object> input |
| , Map<String, Object> validationConfig |
| , Map<String, Object> globalConfig |
| , Context context |
| ) |
| { |
| Predicate<Object> predicate = getPredicate(); |
| if(isNonExistentOk()) { |
| for (Object o : input.values()) { |
| if (o != null && !predicate.test(o.toString())) { |
| return false; |
| } |
| } |
| } |
| else { |
| for (Object o : input.values()) { |
| if (o == null || !predicate.test(o.toString())) { |
| return false; |
| } |
| } |
| } |
| return true; |
| } |
| |
| @Override |
| public boolean test(List<Object> input) { |
| if(input.isEmpty()) { |
| return false; |
| } |
| Predicate<Object> predicate = getPredicate(); |
| for(Object o : input) { |
| if(o == null || !predicate.test(o)){ |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| @Override |
| public void initialize(Map<String, Object> validationConfig, Map<String, Object> globalConfig) { |
| |
| } |
| |
| public abstract Predicate<Object> getPredicate(); |
| protected boolean isNonExistentOk() { |
| return true; |
| } |
| } |