| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 org.jclouds.chef.util; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| import java.util.Date; |
| import java.util.List; |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| import org.jclouds.domain.JsonBall; |
| import org.jclouds.ohai.Automatic; |
| |
| import com.google.common.base.Predicate; |
| import com.google.common.base.Supplier; |
| import com.google.common.collect.Iterables; |
| import com.google.inject.Binder; |
| import com.google.inject.TypeLiteral; |
| import com.google.inject.multibindings.MapBinder; |
| |
| public class ChefUtils { |
| |
| public static Date fromOhaiTime(JsonBall ohaiDate) { |
| return new Date(Long.parseLong(checkNotNull(ohaiDate, "ohaiDate").toString().replaceAll("\\.[0-9]*$", ""))); |
| } |
| |
| public static JsonBall toOhaiTime(long millis) { |
| return new JsonBall(millis + ""); |
| } |
| |
| public static MapBinder<String, Supplier<JsonBall>> ohaiAutomaticAttributeBinder(Binder binder) { |
| MapBinder<String, Supplier<JsonBall>> mapbinder = MapBinder.newMapBinder(binder, new TypeLiteral<String>() { |
| }, new TypeLiteral<Supplier<JsonBall>>() { |
| }, Automatic.class); |
| return mapbinder; |
| } |
| |
| /** |
| * |
| * @return NoSuchElementException if no element in the runList is a role. |
| */ |
| public static String findRoleInRunList(List<String> runList) { |
| final Pattern pattern = Pattern.compile("^role\\[(.*)\\]$"); |
| String roleToParse = Iterables.find(runList, new Predicate<String>() { |
| |
| @Override |
| public boolean apply(String input) { |
| return pattern.matcher(input).matches(); |
| } |
| |
| }); |
| Matcher matcher = pattern.matcher(roleToParse); |
| matcher.find(); |
| return matcher.group(1); |
| } |
| } |