| /* |
| * Copyright 2014-present Facebook, 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.facebook.buck.model; |
| |
| import com.facebook.buck.log.Logger; |
| |
| import com.google.common.base.Function; |
| import com.google.common.base.Splitter; |
| import com.google.common.collect.ImmutableMap; |
| import com.google.common.collect.Iterables; |
| |
| import java.util.concurrent.ConcurrentSkipListSet; |
| import java.util.Set; |
| |
| /** |
| * Parses a string containing one or more flavor names. |
| */ |
| public class FlavorParser { |
| private static final Logger LOG = Logger.get(FlavorParser.class); |
| private static final ImmutableMap<String, String> DEPRECATED_FLAVORS = |
| ImmutableMap.of("dynamic", "shared"); |
| |
| private final Set<String> deprecatedFlavorWarningShown = new ConcurrentSkipListSet<>(); |
| |
| /** |
| * Given a comma-separated string of flavors, returns an iterable |
| * containing the separated names of the flavors inside. |
| * |
| * Also maps deprecated flavor names to their supported names. |
| */ |
| public Iterable<String> parseFlavorString(String flavorString) { |
| return |
| Iterables.transform( |
| Splitter.on(",") |
| .omitEmptyStrings() |
| .trimResults() |
| .split(flavorString), |
| new Function<String, String>() { |
| @Override |
| public String apply(String flavor) { |
| String mapped = DEPRECATED_FLAVORS.get(flavor); |
| if (mapped != null) { |
| // Show a warning the first time a deprecated flavor is used. |
| if (deprecatedFlavorWarningShown.add(flavor)) { |
| LOG.warn("Flavor %s is deprecated; use %s instead.", flavor, mapped); |
| } |
| return mapped; |
| } else { |
| return flavor; |
| } |
| } |
| }); |
| } |
| } |