io.github.microcks.util.el.function.FakerELFunction Maven / Gradle / Ivy
/*
* Copyright The Microcks Authors.
*
* 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.
*/
package io.github.microcks.util.el.function;
import net.datafaker.Faker;
import io.github.microcks.util.el.EvaluationContext;
/**
* This is a base class for function that are using Datafaker (see Datafaker).
* This base class provides a convenient method for retrieving or lazy loading a Faker that will be put into
* {@code EvaluationContext}.
* @author laurent
*/
public abstract class FakerELFunction implements ELFunction {
protected static final String FAKER_VARIABLE_NAME = "faker";
/**
* Retrieve a Faker from evaluation content. Lazy load it if not already present.
* @param evaluationContext The context to retrieve from or store within
* @return A Faker implementation ready to use.
*/
protected Faker retrieveFaker(EvaluationContext evaluationContext) {
Faker faker;
Object fakerObject = evaluationContext.lookupVariable(FAKER_VARIABLE_NAME);
if (fakerObject instanceof Faker) {
faker = (Faker) fakerObject;
} else {
// Build a new Faker and store it into context for later fakers.
faker = new Faker();
evaluationContext.setVariable(FAKER_VARIABLE_NAME, faker);
}
return faker;
}
}