/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.apache.brooklyn.core.catalog.internal;

import java.util.Collection;
import java.util.Collections;

import org.apache.brooklyn.api.catalog.CatalogItem;

import com.google.common.collect.ImmutableList;

@Deprecated
public class CatalogLibrariesDto implements CatalogItem.CatalogItemLibraries {

    private final Collection<String> bundles;

    public CatalogLibrariesDto() {
        this.bundles = Collections.emptyList();
    }

    public CatalogLibrariesDto(Collection<String> bundles) {
        this.bundles = bundles;
    }

    /**
     * @return An immutable copy of the bundle URLs referenced by this object
     */
    @Override
    public Collection<String> getBundles() {
        if (bundles == null) {
            // can be null on deserialization
            return Collections.emptyList();
        }
        return ImmutableList.copyOf(bundles);
    }

}