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.jfcmonitor; |
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16 | |
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17 | import java.io.IOException; |
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18 | import java.io.OutputStreamWriter; |
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19 | |
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20 | import de.ugoe.cs.util.StringTools; |
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21 | /** |
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22 | * <p> |
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23 | * This class is used as wrapper for writers for JFCMonitor logs. |
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24 | * </p> |
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25 | * @author Fabian Glaser |
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26 | * @version 1.0 |
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27 | * |
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28 | */ |
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29 | public class JFCMonitorOutputWriter{ |
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30 | /** |
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31 | * <p> |
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32 | * Writer for logging events. |
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33 | * </p> |
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34 | */ |
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35 | final private OutputStreamWriter outputWriter; |
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36 | |
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37 | /** |
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38 | * <p> |
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39 | * Constructor. Creates a new JFCMonitorOutputWriter with a given {@link OutputStreamWriter}, where the |
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40 | * monitored information is written to. It writes log header information on construction to |
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41 | * given OutputStreamWriter. |
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42 | * </p> |
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43 | * |
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44 | * @param outputWriter |
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45 | * writer for the logged information |
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46 | */ |
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47 | |
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48 | public JFCMonitorOutputWriter(OutputStreamWriter outputWriter) { |
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49 | this.outputWriter = outputWriter; |
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50 | write("<?xml version=\"1.0\" encoding=\"UTF-8\"?>" + StringTools.ENDLINE); |
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51 | write("<sessions>" + StringTools.ENDLINE); |
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52 | } |
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53 | |
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54 | /** |
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55 | * <p> |
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56 | * Writes a string to the internal OutputStreamWriter. |
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57 | * </p> |
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58 | * @param str |
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59 | */ |
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60 | public synchronized void write(String str){ |
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61 | try { |
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62 | outputWriter.write(str); |
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63 | outputWriter.flush(); |
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64 | } catch (IOException e) { |
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65 | System.err.println("JFCMONITOR -- Failure writing to log: " + e.getMessage()); |
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66 | } |
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67 | } |
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68 | } |
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