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DSL Platform compatible Java JSON library (https://dsl-platform.com)

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package com.dslplatform.json.runtime;

import com.dslplatform.json.Nullable;

import java.lang.reflect.AccessibleObject;
import java.lang.reflect.Executable;
import java.lang.reflect.Parameter;

class Java8ParameterNameExtractor implements ParameterNameExtractor {
	@Nullable
	@Override
	public String[] extractNames(AccessibleObject ctorOrMethod) {
		final Parameter[] params = ((Executable) ctorOrMethod).getParameters();
		final String[] names = new String[params.length];
		for (int i = 0; i < params.length; i++) {
			if (!params[i].isNamePresent()) {
				return null;
			}
			names[i] = params[i].getName();
		}
		return names;
	}
}