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/**
* Copyright (c) 2008, SnakeYAML
*
* 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 org.yaml.snakeyaml.issues.issue310;
import static org.junit.Assert.assertEquals;
import java.util.ArrayList;
import java.util.List;
import java.util.Optional;
import org.junit.Test;
import org.yaml.snakeyaml.DumperOptions;
import org.yaml.snakeyaml.Yaml;
import org.yaml.snakeyaml.nodes.Node;
import org.yaml.snakeyaml.nodes.Tag;
import org.yaml.snakeyaml.representer.Represent;
import org.yaml.snakeyaml.representer.Representer;
public class OptionalTesting {
public static class Salary {
private Optional<Double> income = Optional.empty();
public Optional<Double> getIncome() {
return income;
}
public void setIncome(Double income) {
this.income = Optional.of(income);
}
public void setIncome(Optional<Double> income) {
this.income = income;
}
@Override
public String toString() {
return "Salary{" + "income=" + income + '}';
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((income == null) ? 0 : income.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
Salary other = (Salary) obj;
if (income == null) {
if (other.income != null)
return false;
} else if (!income.equals(other.income))
return false;
return true;
}
}
public static class Person {
private String name;
private Optional<Salary> salary = Optional.empty();
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public Optional<Salary> getSalary() {
return salary;
}
public void setSalary(Optional<Salary> salary) {
this.salary = salary;
}
@Override
public String toString() {
return "Person{" + "name='" + name + '\'' + ", salary=" + salary + '}';
}
}
public static class OptionalRepresenter extends Representer {
public OptionalRepresenter() {
this.representers.put(Optional.class, new RepresentOptional());
}
private class RepresentOptional implements Represent {
public Node representData(Object data) {
Optional<?> opt = (Optional<?>) data;
List<Object> seq = new ArrayList<>(1);
seq.add(opt.get());
return representSequence(Tag.SEQ, seq, DumperOptions.FlowStyle.FLOW);
}
}
}
static boolean reflectiveAccessDenied = false;
protected void loadOptionalString() {
final String yamlStr = "name: Neo Anderson\nsalary: [{income: [123456.78]}]\n";
final Yaml yamlParser = new Yaml(new OptionalRepresenter());
Person expectedPerson = new Person();
Salary s = new Salary();
s.setIncome(123456.78);
expectedPerson.setName("Neo Anderson");
expectedPerson.setSalary(Optional.of(s));
final Person pFromStr = yamlParser.loadAs(yamlStr, Person.class);
assertEquals(expectedPerson.getName(), pFromStr.getName());
assertEquals(expectedPerson.getSalary(), pFromStr.getSalary());
}
protected void dumpLoadOptional() {
final Yaml yamlParser = new Yaml(new OptionalRepresenter());
Person expectedPerson = new Person();
Salary s = new Salary();
s.setIncome(123456.78);
expectedPerson.setName("Neo Anderson");
expectedPerson.setSalary(Optional.of(s));
String pDump = yamlParser.dump(expectedPerson);
// System.out.println(pDump);
final Person pFromDump = yamlParser.loadAs(pDump, Person.class);
assertEquals(expectedPerson.getName(), pFromDump.getName());
assertEquals(expectedPerson.getSalary(), pFromDump.getSalary());
}
}
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