/** | |
* 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.example.gae; | |
import javax.xml.xpath.XPath; | |
import javax.xml.xpath.XPathFactory; | |
import org.apache.camel.Exchange; | |
import org.apache.camel.Processor; | |
public class ReportGenerator implements Processor { | |
public void process(Exchange exchange) throws Exception { | |
ReportData data = exchange.getIn().getBody(ReportData.class); | |
XPathFactory xpfactory = XPathFactory.newInstance(); | |
XPath xpath = xpfactory.newXPath(); | |
// Extract result values via XPath | |
String city = xpath.evaluate("//forecast_information/city/@data", data.getWeather()); | |
String cond = xpath.evaluate("//current_conditions/condition/@data", data.getWeather()); | |
String temp = xpath.evaluate("//current_conditions/temp_c/@data", data.getWeather()); | |
if (city == null || city.length() == 0) { | |
city = data.getCity(); | |
cond = "<error retrieving current condition>"; | |
temp = "<error retrieving current temperature>"; | |
} | |
exchange.getIn().setBody(new StringBuilder() | |
.append("\n").append("Weather report for: ").append(city) | |
.append("\n").append("Current condition: ").append(cond) | |
.append("\n").append("Current temperature: ").append(temp).append(" (Celsius)").toString()); | |
} | |
} |