| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| ResourceNamesCollator |
|
| 2.0;2 |
| 1 | /** | |
| 2 | * Licensed to the Apache Software Foundation (ASF) under one | |
| 3 | * or more contributor license agreements. See the NOTICE file | |
| 4 | * distributed with this work for additional information | |
| 5 | * regarding copyright ownership. The ASF licenses this file | |
| 6 | * to you under the Apache License, Version 2.0 (the | |
| 7 | * "License"); you may not use this file except in compliance | |
| 8 | * with the License. You may obtain a copy of the License at | |
| 9 | * | |
| 10 | * http://www.apache.org/licenses/LICENSE-2.0 | |
| 11 | * | |
| 12 | * Unless required by applicable law or agreed to in writing, | |
| 13 | * software distributed under the License is distributed on an | |
| 14 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
| 15 | * KIND, either express or implied. See the License for the | |
| 16 | * specific language governing permissions and limitations | |
| 17 | * under the License. | |
| 18 | */ | |
| 19 | package org.apache.creadur.whisker.model; | |
| 20 | ||
| 21 | import java.util.Collection; | |
| 22 | import java.util.TreeSet; | |
| 23 | ||
| 24 | import org.apache.commons.lang3.tuple.ImmutablePair; | |
| 25 | import org.apache.commons.lang3.tuple.Pair; | |
| 26 | ||
| 27 | /** | |
| 28 | * Collates resources within directories, flattening the | |
| 29 | * model. | |
| 30 | */ | |
| 31 | 0 | public class ResourceNamesCollator extends Visitor { |
| 32 | ||
| 33 | /** Resources collected. */ | |
| 34 | 0 | private final Collection<Pair<WithinDirectory, Resource>> resources |
| 35 | = new TreeSet<Pair<WithinDirectory, Resource>>(); | |
| 36 | /** Duplicate resources discovered. */ | |
| 37 | 0 | private final Collection<Pair<WithinDirectory, Resource>> duplicates |
| 38 | = new TreeSet<Pair<WithinDirectory, Resource>>(); | |
| 39 | /** Last directory visited. */ | |
| 40 | private WithinDirectory lastDirectory; | |
| 41 | ||
| 42 | /** | |
| 43 | * Gets the names of the resources collected. | |
| 44 | * @return not null | |
| 45 | */ | |
| 46 | public Collection<String> getNames() { | |
| 47 | 0 | final Collection<String> names = new TreeSet<String>(); |
| 48 | 0 | for (final Pair<WithinDirectory, Resource> pair : this.resources) { |
| 49 | 0 | names.add(pair.getRight().getName()); |
| 50 | } | |
| 51 | 0 | return names; |
| 52 | } | |
| 53 | ||
| 54 | /** | |
| 55 | * Gets the duplicate resources discovered. | |
| 56 | * @return not null | |
| 57 | */ | |
| 58 | public Collection<Pair<WithinDirectory, Resource>> getDuplicates() { | |
| 59 | 0 | return this.duplicates; |
| 60 | } | |
| 61 | ||
| 62 | /** | |
| 63 | * Sets the last directory visited. | |
| 64 | * @see Visitor#visit(WithinDirectory) | |
| 65 | * @param directory not null | |
| 66 | */ | |
| 67 | @Override | |
| 68 | public void visit(final WithinDirectory directory) { | |
| 69 | 0 | this.lastDirectory = directory; |
| 70 | 0 | } |
| 71 | ||
| 72 | /** | |
| 73 | * Collects this resource. | |
| 74 | * @see Visitor#visit(Resource) | |
| 75 | * @param resource not null | |
| 76 | */ | |
| 77 | @Override | |
| 78 | @SuppressWarnings("PMD.EmptyIfStmt") | |
| 79 | public void visit(final Resource resource) { | |
| 80 | 0 | if (this.resources.add(new ImmutablePair<WithinDirectory, Resource>( |
| 81 | this.lastDirectory, resource))) { | |
| 82 | // Fine | |
| 83 | } else { | |
| 84 | // Already added | |
| 85 | 0 | if (this.lastDirectory == null) { |
| 86 | // Issue with logic which will result in a null pointer later | |
| 87 | 0 | throw new IllegalArgumentException( |
| 88 | "Expected directory to be present"); | |
| 89 | } | |
| 90 | 0 | this.duplicates.add(new ImmutablePair<WithinDirectory, Resource>( |
| 91 | this.lastDirectory, resource)); | |
| 92 | } | |
| 93 | 0 | } |
| 94 | } |