| /* |
| * 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.openstack.nova.v2_0.functions; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| import java.util.Map; |
| |
| import javax.annotation.Resource; |
| import javax.inject.Inject; |
| |
| import org.jclouds.json.Json; |
| import org.jclouds.logging.Logger; |
| |
| import com.google.common.base.Function; |
| import com.google.common.collect.ImmutableMap; |
| |
| /** |
| * |
| * The expected body contains the time as in this (real) response |
| * |
| * <pre> |
| * { |
| * "overLimit" : { |
| * "code" : 413, |
| * "message" : "OverLimit Retry...", |
| * "details" : "Error Details...", |
| * "retryAt" : "2012-11-14T21:51:28UTC" |
| * } |
| * } |
| * </pre> |
| * |
| * or |
| * |
| * <pre> |
| * { |
| * "overLimit": { |
| * "message": "This request was rate-limited.", |
| * "code": 413, |
| * "retryAfter": "54", |
| * "details": "Only 1 POST request(s) can be made to \"*\" every minute." |
| * } |
| * } |
| * </pre> |
| */ |
| public class OverLimitParser implements Function<String, Map<String, String>> { |
| |
| @Resource |
| private Logger logger = Logger.NULL; |
| private final Json json; |
| |
| @Inject |
| public OverLimitParser(Json json) { |
| this.json = checkNotNull(json, "json"); |
| } |
| |
| private static class Holder { |
| Map<String, String> overLimit = ImmutableMap.of(); |
| } |
| |
| /** |
| * parses or returns an empty map. |
| */ |
| @Override |
| public Map<String, String> apply(String in) { |
| try { |
| return json.fromJson(in, OverLimitParser.Holder.class).overLimit; |
| } catch (RuntimeException e) { |
| // an error was raised during parsing -which can include badly |
| // formatted fields. |
| logger.error("Failed to parse " + in + "", e); |
| return ImmutableMap.of(); |
| } |
| } |
| } |