[1367] | 1 | // Copyright 2012 Georg-August-Universität Göttingen, Germany |
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| 2 | // |
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| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
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| 4 | // you may not use this file except in compliance with the License. |
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| 5 | // You may obtain a copy of the License at |
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| 6 | // |
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| 7 | // http://www.apache.org/licenses/LICENSE-2.0 |
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| 8 | // |
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| 9 | // Unless required by applicable law or agreed to in writing, software |
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| 10 | // distributed under the License is distributed on an "AS IS" BASIS, |
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| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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| 12 | // See the License for the specific language governing permissions and |
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| 13 | // limitations under the License. |
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| 14 | |
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| 15 | package de.ugoe.cs.autoquest.plugin.http; |
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| 16 | |
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| 17 | import java.io.File; |
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| 18 | import java.util.Collection; |
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| 19 | import java.util.LinkedList; |
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| 20 | import java.util.List; |
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| 21 | |
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| 22 | import javax.xml.bind.JAXBContext; |
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| 23 | import javax.xml.bind.JAXBElement; |
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| 24 | import javax.xml.bind.JAXBException; |
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| 25 | import javax.xml.bind.Unmarshaller; |
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| 26 | import javax.xml.transform.stream.StreamSource; |
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| 27 | |
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| 28 | import org.xml.sax.SAXException; |
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| 29 | |
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| 30 | import de.ugoe.cs.autoquest.eventcore.Event; |
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| 31 | import de.ugoe.cs.autoquest.httpmonitor.exchange.HttpExchange; |
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| 32 | import de.ugoe.cs.autoquest.httpmonitor.exchange.Session; |
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| 33 | import de.ugoe.cs.autoquest.plugin.http.eventcore.HTTPEventType; |
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| 34 | import de.ugoe.cs.autoquest.plugin.http.eventcore.HTTPTarget; |
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| 35 | |
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| 36 | /** |
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| 37 | * <p> |
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[1383] | 38 | * Parser for HTTP Monitor logs. Uses JAXB for parsing and is therefore quite simple. For each |
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| 39 | * exchange in the log, it creates an appropriate event. |
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[1367] | 40 | * </p> |
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| 41 | * |
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| 42 | * @author Patrick Harms |
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| 43 | */ |
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| 44 | public class HTTPLogParser { |
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| 45 | |
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| 46 | /** |
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| 47 | * <p> |
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| 48 | * the event sequences parsed by this parser |
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| 49 | * </p> |
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| 50 | */ |
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| 51 | private Collection<List<Event>> sequences = new LinkedList<List<Event>>(); |
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| 52 | |
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| 53 | /** |
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| 54 | * <p> |
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| 55 | * Parses a log file written by the HTTPMonitor and creates a collection of event sequences. |
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| 56 | * </p> |
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| 57 | * |
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| 58 | * @param filename |
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| 59 | * name and path of the log file |
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| 60 | * |
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| 61 | * @throws SAXException in the case, the file could not be parsed |
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| 62 | */ |
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| 63 | public void parseFile(String filename) throws JAXBException { |
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| 64 | if (filename == null) { |
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| 65 | throw new IllegalArgumentException("filename must not be null"); |
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| 66 | } |
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| 67 | |
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| 68 | parseFile(new File(filename)); |
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| 69 | } |
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| 70 | |
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| 71 | /** |
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| 72 | * <p> |
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| 73 | * Parses a log file written by the HTTPMonitor and creates a collection of event sequences. |
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| 74 | * </p> |
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| 75 | * |
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| 76 | * @param file |
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| 77 | * file to be parsed |
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| 78 | * |
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| 79 | * @throws SAXException in the case, the file could not be parsed |
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| 80 | */ |
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| 81 | public void parseFile(File file) throws JAXBException { |
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| 82 | if (file == null) { |
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| 83 | throw new IllegalArgumentException("file must not be null"); |
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| 84 | } |
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| 85 | |
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| 86 | JAXBContext jc = JAXBContext.newInstance(Session.class.getPackage().getName()); |
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| 87 | |
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| 88 | Unmarshaller unmarshaller = jc.createUnmarshaller(); |
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| 89 | StreamSource source = new StreamSource(file); |
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| 90 | |
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| 91 | @SuppressWarnings("unchecked") |
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| 92 | JAXBElement<Session> sessionObj = (JAXBElement<Session>) unmarshaller.unmarshal(source); |
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| 93 | |
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| 94 | Session session = sessionObj.getValue(); |
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| 95 | |
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| 96 | if ((session.getHttpExchange() != null) && (session.getHttpExchange().size() > 0)) { |
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| 97 | List<Event> sequence = new LinkedList<Event>(); |
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| 98 | for (HttpExchange exchange : session.getHttpExchange()) { |
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| 99 | sequence.add(new Event(new HTTPEventType(exchange), |
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| 100 | new HTTPTarget(exchange.getReceiver()))); |
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| 101 | } |
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| 102 | sequences.add(sequence); |
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| 103 | } |
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| 104 | |
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| 105 | } |
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| 106 | |
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| 107 | /** |
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[1383] | 108 | * <p> |
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| 109 | * returns the sequences parsed by this parser |
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| 110 | * </p> |
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| 111 | * |
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| 112 | * @return as described |
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[1367] | 113 | */ |
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| 114 | public Collection<List<Event>> getSequences() { |
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| 115 | return sequences; |
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| 116 | } |
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| 117 | } |
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