| /** |
| * 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.hipchat; |
| |
| import java.io.IOException; |
| |
| import java.util.Calendar; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.TimeZone; |
| |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| import com.fasterxml.jackson.databind.type.MapType; |
| import com.fasterxml.jackson.databind.type.TypeFactory; |
| import org.apache.camel.Exchange; |
| import org.apache.camel.Processor; |
| import org.apache.camel.impl.ScheduledPollConsumer; |
| import org.apache.camel.util.URISupport; |
| import org.apache.http.client.methods.CloseableHttpResponse; |
| import org.apache.http.client.methods.HttpGet; |
| import org.apache.http.impl.client.CloseableHttpClient; |
| import org.apache.http.impl.client.HttpClients; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * The Hipchat consumer consumes messages from a list of users. |
| */ |
| public class HipchatConsumer extends ScheduledPollConsumer { |
| public static final long DEFAULT_CONSUMER_DELAY = 5 * 1000; |
| private static final Logger LOG = LoggerFactory.getLogger(HipchatConsumer.class); |
| private static final MapType MAP_TYPE = TypeFactory.defaultInstance().constructMapType(Map.class, String.class, Object.class); |
| private static final ObjectMapper MAPPER = new ObjectMapper(); |
| private static final CloseableHttpClient HTTP_CLIENT = HttpClients.createDefault(); |
| |
| private transient String hipchatConsumerToString; |
| |
| public HipchatConsumer(HipchatEndpoint endpoint, Processor processor) { |
| super(endpoint, processor); |
| } |
| |
| @Override |
| protected int poll() throws Exception { |
| int messageCount = 0; |
| for (String user : getConfig().consumableUsers()) { |
| Exchange exchange = getEndpoint().createExchange(); |
| processExchangeForUser(user, exchange); |
| messageCount++; |
| } |
| return messageCount; |
| } |
| |
| private void processExchangeForUser(String user, Exchange exchange) throws Exception { |
| String urlPath = String.format(getMostRecentMessageUrl(), user); |
| LOG.debug("Polling HipChat Api " + urlPath + " for new messages at " + Calendar.getInstance(TimeZone.getTimeZone("UTC")).getTime()); |
| HttpGet httpGet = new HttpGet(getConfig().hipChatUrl() + urlPath); |
| CloseableHttpResponse response = executeGet(httpGet); |
| exchange.getIn().setHeader(HipchatConstants.FROM_USER, user); |
| processApiResponse(exchange, response); |
| } |
| |
| private void processApiResponse(Exchange exchange, CloseableHttpResponse response) throws Exception { |
| try { |
| Map<String, Object> jsonMap = MAPPER.readValue(response.getEntity().getContent(), MAP_TYPE); |
| LOG.debug("Hipchat response " + response + ", json: " + MAPPER.writeValueAsString(jsonMap)); |
| if (jsonMap != null && jsonMap.size() > 0) { |
| List<Map<String, Object>> items = (List<Map<String, Object>>) jsonMap.get(HipchatApiConstants.API_ITEMS); |
| if (items != null && items.size() > 0) { |
| try { |
| Map<String, Object> item = items.get(0); |
| String date = (String) item.get(HipchatApiConstants.API_DATE); |
| String message = (String) item.get(HipchatApiConstants.API_MESSAGE); |
| LOG.debug("Setting exchange body: " + message + ", header " + HipchatConstants.MESSAGE_DATE + ": " + date); |
| exchange.getIn().setHeader(HipchatConstants.FROM_USER_RESPONSE_STATUS, response.getStatusLine()); |
| exchange.getIn().setHeader(HipchatConstants.MESSAGE_DATE, date); |
| exchange.getIn().setBody(message); |
| getProcessor().process(exchange); |
| } catch (Exception e) { |
| throw new HipchatException("Error parsing Json response from Hipchat API", e); |
| } |
| } |
| } |
| } finally { |
| response.close(); |
| } |
| } |
| |
| protected CloseableHttpResponse executeGet(HttpGet httpGet) throws IOException { |
| return HTTP_CLIENT.execute(httpGet); |
| } |
| |
| private String getMostRecentMessageUrl() { |
| return getConfig().withAuthToken(HipchatApiConstants.URI_PATH_USER_LATEST_PRIVATE_CHAT) + "&" + HipchatApiConstants.DEFAULT_MAX_RESULT; |
| } |
| |
| private HipchatConfiguration getConfig() { |
| return getEndpoint().getConfiguration(); |
| } |
| |
| @Override |
| public HipchatEndpoint getEndpoint() { |
| return (HipchatEndpoint)super.getEndpoint(); |
| } |
| |
| @Override |
| public String toString() { |
| if (hipchatConsumerToString == null) { |
| hipchatConsumerToString = "HipchatConsumer[" + URISupport.sanitizeUri(getEndpoint().getEndpointUri()) + "]"; |
| } |
| return hipchatConsumerToString; |
| } |
| } |