DefaultFetcherLocator.java

/*
 * Copyright (C) 2010 Benoit Guerout <bguerout at gmail dot com>
 *
 * 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 fr.keemto.core.fetching;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.List;

public class DefaultFetcherLocator implements FetcherLocator {

    private static final Logger log = LoggerFactory.getLogger(DefaultFetcherLocator.class);

    private final List<Fetcher> fetchers;

    public DefaultFetcherLocator(List<Fetcher> fetchers) {
        this.fetchers = fetchers;
    }

    @Override
    public Fetcher getFetcher(String providerId) {
        for (Fetcher fetcher : fetchers) {
            if (fetcher.getProviderId().equals(providerId)) {
                return fetcher;
            }
        }
        throw new FetcherConfigurationException("No fetching can be found for provider: " + providerId);
    }

    @Override
    public boolean hasFetcherFor(String provider) {
        for (Fetcher fetcher : fetchers) {
            if (fetcher.getProviderId().equals(provider)) {
                return true;
            }
        }
        return false;
    }
}