| /** |
| * 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.apache.camel.component.etcd; |
| |
| import java.net.URI; |
| import java.util.concurrent.atomic.AtomicLong; |
| |
| import com.fasterxml.jackson.annotation.JsonInclude; |
| import com.fasterxml.jackson.databind.DeserializationFeature; |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| import mousio.etcd4j.responses.EtcdErrorCode; |
| import mousio.etcd4j.responses.EtcdException; |
| import mousio.etcd4j.responses.EtcdKeysResponse; |
| import org.apache.camel.CamelContext; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public final class EtcdHelper { |
| private static final Logger LOGGER = LoggerFactory.getLogger(EtcdHelper.class); |
| private static final String OUTDATED_EVENT_MSG = "requested index is outdated and cleared"; |
| |
| private EtcdHelper() { |
| } |
| |
| public static boolean isOutdatedIndexException(EtcdException exception) { |
| if (exception.isErrorCode(EtcdErrorCode.EventIndexCleared) && exception.etcdMessage != null) { |
| return exception.etcdMessage.toLowerCase().contains(OUTDATED_EVENT_MSG); |
| } |
| |
| return false; |
| } |
| |
| public static ObjectMapper createObjectMapper() { |
| return new ObjectMapper() |
| .configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false) |
| .setSerializationInclusion(JsonInclude.Include.NON_NULL); |
| } |
| |
| public static void setIndex(AtomicLong index, EtcdKeysResponse response) { |
| if (response != null && response.node != null) { |
| index.set(response.node.modifiedIndex + 1); |
| LOGGER.debug("Index received={}, next={}", response.node.modifiedIndex, index.get()); |
| } else { |
| index.set(response.etcdIndex + 1); |
| LOGGER.debug("Index received={}, next={}", response.node.modifiedIndex, index.get()); |
| } |
| } |
| |
| public static URI[] resolveURIs(CamelContext camelContext, String uriList) throws Exception { |
| String[] uris; |
| if (uriList != null) { |
| uris = uriList.split(","); |
| } else { |
| uris = EtcdConstants.ETCD_DEFAULT_URIS.split(","); |
| } |
| |
| URI[] etcdUriList = new URI[uris.length]; |
| |
| for (int i = 0; i < uris.length; i++) { |
| etcdUriList[i] = camelContext != null |
| ? URI.create(camelContext.resolvePropertyPlaceholders(uris[i])) |
| : URI.create(uris[i]); |
| } |
| |
| return etcdUriList; |
| } |
| } |