Filters.java

/*******************************************************************************
 * Copyright (c) 2012-2016 Codenvy, S.A.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *   Codenvy, S.A. - initial API and implementation
 *******************************************************************************/
package org.eclipse.che.plugin.docker.client.json;

import com.google.common.collect.Maps;

import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * Representation of docker filters.
 *
 * @author Alexander Garagatyi
 */
public class Filters {
    private final Map<String, List<String>> filters = new HashMap<>();

    public Map<String, List<String>> getFilters() {
        final HashMap<String, List<String>> filtersCopy = Maps.newHashMapWithExpectedSize(filters.size());
        filters.forEach((s, strings) -> filtersCopy.put(s, Collections.unmodifiableList(strings)));

        return Collections.unmodifiableMap(filtersCopy);
    }

    public List<String> getFilter(String key) {
        return Collections.unmodifiableList(filters.get(key));
    }

    public Filters withFilter(String key, String... values) {
        filters.put(key, Arrays.asList(values));
        return this;
    }

    @Override
    public String toString() {
        return "Filters{" +
               "filters=" + filters +
               '}';
    }
}