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/*-
 * #%L
 * marid-runtime
 * %%
 * Copyright (C) 2012 - 2017 MARID software development group
 * %%
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see .
 * #L%
 */

package org.marid.runtime.converter;

import org.marid.runtime.context.MaridRuntime;

import java.lang.reflect.Type;
import java.util.Objects;
import java.util.Optional;

import static java.util.ServiceLoader.load;
import static java.util.stream.Stream.of;
import static java.util.stream.StreamSupport.stream;

/**
 * @author Dmitry Ovchinnikov
 */
public class DefaultValueConvertersManager {

    protected final ClassLoader classLoader;
    protected final ValueConverters[] valueConverters;

    public DefaultValueConvertersManager(ClassLoader classLoader, MaridRuntime runtime) {
        this.classLoader = classLoader;
        this.valueConverters = stream(load(ValueConvertersFactory.class, classLoader).spliterator(), false)
                .map(c -> c.converters(runtime))
                .toArray(ValueConverters[]::new);
    }

    public Optional getConverter(String name) {
        return of(valueConverters).map(c -> c.getConverter(name)).filter(Objects::nonNull).findFirst();
    }

    public Optional getType(String name) {
        return of(valueConverters).map(c -> c.getTypeMap().get(name)).filter(Objects::nonNull).findFirst();
    }
}