com.google.gwt.dev.RebindAnswersPermutationKey Maven / Gradle / Ivy
/*
* 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.
*
*
* {
* Foo = [ FooImpl ], // A "hard" rebind
* Bundle = [ Bundle_EN, Bundle_FR ] // A "soft" rebind
* }
*
*/
class RebindAnswersPermutationKey extends StringKey {
private static String collapse(Permutation permutation,
SortedSet liveRebindRequests) {
// Accumulates state
SortedMap> answers = new TreeMap>();
// Iterate over each map of rebind answers
for (SortedMap rebinds : permutation.getOrderedRebindAnswers()) {
for (Map.Entry rebind : rebinds.entrySet()) {
if (!liveRebindRequests.contains(rebind.getKey())) {
// Ignore rebinds that aren't actually used
continue;
}
// Get-or-put
SortedSet set = answers.get(rebind.getKey());
if (set == null) {
set = new TreeSet();
answers.put(rebind.getKey(), set);
}
// Record rebind value
set.add(rebind.getValue());
}
}
// Create string
return answers.toString();
}
public RebindAnswersPermutationKey(Permutation permutation,
SortedSet liveRebindRequests) {
super(collapse(permutation, liveRebindRequests));
}
}