com.isotrol.impe3.core.impl.EmptyMultiStringParameters.java Source code

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Here is the source code for com.isotrol.impe3.core.impl.EmptyMultiStringParameters.java

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/**
 * This file is part of Port@l
 * Port@l 3.0 - Portal Engine and Management System
 * Copyright (C) 2010  Isotrol, SA.  http://www.isotrol.com
 *
 * Port@l is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Port@l 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 General Public License
 * along with Port@l.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.isotrol.impe3.core.impl;

import java.util.List;
import java.util.Set;

import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableSet;
import com.isotrol.impe3.api.MultiStringParameters;

/**
 * Skeletal implementation for empty parameters implementations.
 * @author Andres Rodriguez
 */
abstract class EmptyMultiStringParameters implements MultiStringParameters {
    EmptyMultiStringParameters() {
    }

    public List<String> get(String name) {
        return ImmutableList.of();
    }

    public String getFirst(String name) {
        return null;
    }

    public boolean contains(String name) {
        return false;
    }

    public Set<String> getNames() {
        return ImmutableSet.of();
    }
}