com.softicar.platform.common.code.java.reflection.DeclaredFieldFinder Maven / Gradle / Ivy

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The SoftiCAR Platform is a lightweight, Java-based library to create interactive business web applications.

There is a newer version: 50.0.0

package com.softicar.platform.common.code.java.reflection;

import java.lang.reflect.Field;
import java.util.Arrays;
import java.util.Collection;
import java.util.Objects;
import java.util.function.Predicate;
import java.util.stream.Collectors;

public class DeclaredFieldFinder {

	private final Class declaringClass;
	private Predicate predicate;

	public DeclaredFieldFinder(Class declaringClass) {

		this.declaringClass = Objects.requireNonNull(declaringClass);
		this.predicate = dummy -> true;
	}

	public DeclaredFieldFinder setFilter(Predicate predicate) {

		this.predicate = Objects.requireNonNull(predicate);
		return this;
	}

	public Collection findDeclaredFields() {

		return Arrays//
			.asList(declaringClass.getDeclaredFields())
			.stream()
			.filter(predicate)
			.collect(Collectors.toList());
	}
}