| /* |
| * Copyright 2010 Google Inc. |
| * |
| * Licensed 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 com.google.gwt.dev; |
| |
| import com.google.gwt.dev.util.StringKey; |
| |
| import java.util.Map; |
| import java.util.SortedMap; |
| import java.util.SortedSet; |
| import java.util.TreeMap; |
| import java.util.TreeSet; |
| |
| /** |
| * Creates a string representation of live rebound types to all possible |
| * answers. |
| * |
| * <pre> |
| * { |
| * Foo = [ FooImpl ], // A "hard" rebind |
| * Bundle = [ Bundle_EN, Bundle_FR ] // A "soft" rebind |
| * } |
| * </pre> |
| */ |
| class RebindAnswersPermutationKey extends StringKey { |
| private static String collapse(Permutation permutation, |
| SortedSet<String> liveRebindRequests) { |
| // Accumulates state |
| SortedMap<String, SortedSet<String>> answers = new TreeMap<String, SortedSet<String>>(); |
| |
| // Iterate over each map of rebind answers |
| for (SortedMap<String, String> rebinds : permutation.getOrderedRebindAnswers()) { |
| for (Map.Entry<String, String> rebind : rebinds.entrySet()) { |
| if (!liveRebindRequests.contains(rebind.getKey())) { |
| // Ignore rebinds that aren't actually used |
| continue; |
| } |
| |
| // Get-or-put |
| SortedSet<String> set = answers.get(rebind.getKey()); |
| if (set == null) { |
| set = new TreeSet<String>(); |
| answers.put(rebind.getKey(), set); |
| } |
| |
| // Record rebind value |
| set.add(rebind.getValue()); |
| } |
| } |
| |
| // Create string |
| return answers.toString(); |
| } |
| |
| public RebindAnswersPermutationKey(Permutation permutation, |
| SortedSet<String> liveRebindRequests) { |
| super(collapse(permutation, liveRebindRequests)); |
| } |
| } |