Simon Hunt | e556e94 | 2017-06-19 15:35:44 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2017-present Open Networking Laboratory |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | * |
| 16 | */ |
| 17 | |
| 18 | package org.onosproject.ui.lion.stitch; |
| 19 | |
| 20 | import org.onosproject.ui.lion.LionBundle; |
| 21 | import org.onosproject.ui.lion.LionUtils; |
| 22 | |
| 23 | import java.util.ResourceBundle; |
| 24 | import java.util.Set; |
| 25 | |
| 26 | /** |
| 27 | * Gathers and stitches together a localization bundle according to a |
Simon Hunt | 7379a3d | 2017-06-20 16:50:39 -0700 | [diff] [blame^] | 28 | * "lion" configuration file. |
Simon Hunt | e556e94 | 2017-06-19 15:35:44 -0700 | [diff] [blame] | 29 | */ |
| 30 | public class BundleStitcher { |
| 31 | |
| 32 | private static final String CONFIG_DIR = "_config"; |
| 33 | private static final String SUFFIX = ".lioncfg"; |
| 34 | private static final String SLASH = "/"; |
| 35 | private static final String DOT = "."; |
| 36 | |
| 37 | |
| 38 | private final String base; |
| 39 | |
| 40 | /** |
| 41 | * Creates a bundle stitcher, configured with the specified base resource |
| 42 | * path. |
| 43 | * |
| 44 | * @param base the base resource path |
| 45 | */ |
| 46 | public BundleStitcher(String base) { |
| 47 | this.base = base; |
| 48 | } |
| 49 | |
| 50 | @Override |
| 51 | public String toString() { |
| 52 | return "BundleStitcher{base=\"" + base + "\"}"; |
| 53 | } |
| 54 | |
| 55 | /** |
| 56 | * Stitches together a LionBundle, based on the bundle configuration data |
| 57 | * for the given bundle ID. |
| 58 | * |
| 59 | * @param id the bundle ID |
| 60 | * @return a corresponding lion bundle |
Simon Hunt | 7379a3d | 2017-06-20 16:50:39 -0700 | [diff] [blame^] | 61 | * @throws IllegalArgumentException if the bundle config cannot be loaded |
Simon Hunt | e556e94 | 2017-06-19 15:35:44 -0700 | [diff] [blame] | 62 | */ |
| 63 | public LionBundle stitch(String id) { |
| 64 | String source = base + SLASH + CONFIG_DIR + SLASH + id + SUFFIX; |
| 65 | LionConfig cfg = new LionConfig().load(source); |
| 66 | LionBundle.Builder builder = new LionBundle.Builder(id); |
| 67 | |
| 68 | for (LionConfig.CmdFrom from : cfg.entries()) { |
| 69 | addItemsToBuilder(builder, from); |
| 70 | } |
| 71 | |
| 72 | return builder.build(); |
| 73 | } |
| 74 | |
| 75 | private void addItemsToBuilder(LionBundle.Builder builder, |
| 76 | LionConfig.CmdFrom from) { |
| 77 | String resBundleName = base + SLASH + from.res(); |
| 78 | String resFqbn = convertToFqbn(resBundleName); |
| 79 | ResourceBundle bundle = LionUtils.getBundledResource(resFqbn); |
| 80 | |
| 81 | if (from.starred()) { |
| 82 | addAllItems(builder, bundle); |
| 83 | } else { |
| 84 | addItems(builder, bundle, from.keys()); |
| 85 | } |
| 86 | } |
| 87 | |
| 88 | // to fully-qualified-bundle-name |
| 89 | private String convertToFqbn(String path) { |
| 90 | if (!path.startsWith(SLASH)) { |
| 91 | throw new IllegalArgumentException("path should start with '/'"); |
| 92 | } |
| 93 | return path.substring(1).replaceAll(SLASH, DOT); |
| 94 | } |
| 95 | |
| 96 | private void addAllItems(LionBundle.Builder builder, ResourceBundle bundle) { |
| 97 | addItems(builder, bundle, bundle.keySet()); |
| 98 | } |
| 99 | |
| 100 | private void addItems(LionBundle.Builder builder, ResourceBundle bundle, |
| 101 | Set<String> keys) { |
| 102 | keys.forEach(k -> builder.addItem(k, bundle.getString(k))); |
| 103 | } |
| 104 | } |