java/Crawler/command/CommandWrapper.java

package command;

import exception.CrawlerException;
import model.ResultContainer;

import java.util.List;
import java.util.function.Function;
import java.util.function.Supplier;

public class CommandWrapper<T> {
    private final String name;
    private final Supplier<ResultContainer<T>> action;
    private final Function<T, String> formatter;

    private CommandWrapper(String name, Supplier<ResultContainer<T>> action,
                         Function<T, String> formatter) {
        this.name = name;
        this.action = action;
        this.formatter = formatter;
    }

    public static <T> CommandWrapper<T> create(String name,
                                               Supplier<ResultContainer<T>> action) {
        return new CommandWrapper<>(name, action, Object::toString);
    }

    public static <T> CommandWrapper<T> create(String name,
                                               Supplier<ResultContainer<T>> action,
                                               Function<T, String> formatter) {
        return new CommandWrapper<>(name, action, formatter);
    }

    public ResultContainer<T> execute() {
        return action.get();
    }

    public String getName() {
        return name;
    }

    public String format(T result) {
        return formatter.apply(result);
    }
}