pro.projo.internal.rcg.runtime.ToStringObject Maven / Gradle / Ivy
// //
// Copyright 2017 Mirko Raner //
// //
// 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 pro.projo.internal.rcg.runtime;
import java.lang.reflect.Field;
import java.util.stream.Stream;
import static java.util.Arrays.sort;
import static java.util.Comparator.comparing;
import static java.util.stream.Collectors.joining;
import static pro.projo.internal.rcg.RuntimeCodeGenerationHandler.getInterfaceName;
/**
* The {@link ToStringObject} class serves as the base class for non-Value Objects that support a
* field-by-field {@link #toString()} implementation.
*
* @author Mirko Raner
**/
public class ToStringObject implements ToString
{
@Override
public String toString()
{
return toString(this);
}
static String toString(ToString object)
{
Class type = object.getClass();
Field[] fields = type.getDeclaredFields();
sort(fields, comparing(Field::getName));
return getInterfaceName(type) + "[" + Stream.of(fields).map(object::description).collect(joining(", ")) + "]";
}
}