| /* |
| * 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.nutch.webui.service.impl; |
| |
| import java.lang.invoke.MethodHandles; |
| import java.net.ConnectException; |
| import java.util.Collections; |
| import java.util.Map; |
| |
| import javax.annotation.Resource; |
| |
| import org.apache.nutch.webui.client.NutchClientFactory; |
| import org.apache.nutch.webui.client.model.ConnectionStatus; |
| import org.apache.nutch.webui.client.model.NutchStatus; |
| import org.apache.nutch.webui.model.NutchInstance; |
| import org.apache.nutch.webui.service.NutchInstanceService; |
| import org.apache.nutch.webui.service.NutchService; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import org.springframework.stereotype.Service; |
| |
| import com.sun.jersey.api.client.ClientHandlerException; |
| |
| @Service |
| public class NutchServiceImpl implements NutchService { |
| private static final Logger LOG = LoggerFactory |
| .getLogger(MethodHandles.lookup().lookupClass()); |
| |
| @Resource |
| private NutchClientFactory nutchClientFactory; |
| |
| @Resource |
| private NutchInstanceService instanceService; |
| |
| @Override |
| public ConnectionStatus getConnectionStatus(Long instanceId) { |
| NutchInstance instance = instanceService.getInstance(instanceId); |
| try { |
| NutchStatus nutchStatus = nutchClientFactory.getClient(instance) |
| .getNutchStatus(); |
| if (nutchStatus.getStartDate() != null) { |
| return ConnectionStatus.CONNECTED; |
| } |
| } catch (Exception e) { |
| if (e.getCause() instanceof ConnectException) { |
| return ConnectionStatus.DISCONNECTED; |
| } |
| |
| LOG.error("Cannot connect to nutch server!", e); |
| } |
| return null; |
| } |
| |
| @Override |
| public Map<String, String> getNutchConfig(Long instanceId) { |
| NutchInstance instance = instanceService.getInstance(instanceId); |
| try { |
| return nutchClientFactory.getClient(instance).getNutchConfig("default"); |
| } catch (ClientHandlerException exception) { |
| return Collections.emptyMap(); |
| } |
| } |
| |
| @Override |
| public NutchStatus getNutchStatus(Long instanceId) { |
| NutchInstance instance = instanceService.getInstance(instanceId); |
| return nutchClientFactory.getClient(instance).getNutchStatus(); |
| } |
| } |