001/**
002 * Copyright 2013 John Ericksen
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *    http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.androidtransfuse.model.r;
017
018import com.google.common.base.Predicates;
019import com.google.common.collect.FluentIterable;
020import com.google.common.collect.ImmutableList;
021
022import java.util.Arrays;
023
024/**
025 * @author John Ericksen
026 */
027public class RResourceComposite implements RResource {
028
029    private final ImmutableList<RResource> resources;
030
031    public RResourceComposite(RResource... resources) {
032        this.resources = FluentIterable
033                .from(Arrays.asList(resources))
034                .filter(Predicates.notNull())
035                .toList();
036    }
037
038    @Override
039    public ResourceIdentifier getResourceIdentifier(Integer id) {
040
041        for (RResource resource : resources) {
042            ResourceIdentifier identifier = resource.getResourceIdentifier(id);
043            if (identifier != null) {
044                return identifier;
045            }
046        }
047        return null;
048    }
049}