Last change
on this file since 1183 was 1032, checked in by alloc, 9 years ago |
v.25: Added some debug information to mod installation, auto flush log, print detected platform
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File size:
1.5 KB
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1 | package net.oni2.aeinstaller.backend;
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2 |
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3 | import java.io.ByteArrayOutputStream;
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4 | import java.io.File;
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5 | import java.io.FileWriter;
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6 | import java.io.IOException;
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7 | import java.io.OutputStream;
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8 | import java.io.PrintStream;
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9 |
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10 | /**
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11 | * @author Christian Illy
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12 | */
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13 | public class LogPrintStream extends OutputStream {
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14 | private static LogPrintStream instance = new LogPrintStream();
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15 |
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16 | private ByteArrayOutputStream baos = new ByteArrayOutputStream();
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17 | private FileWriter fw = null;
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18 | private PrintStream stdOut = null;
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19 |
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20 | private boolean logStdOut = true;
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21 |
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22 | private LogPrintStream() {
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23 | stdOut = System.out;
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24 |
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25 | PrintStream ps = new PrintStream(this, true);
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26 | System.setOut(ps);
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27 | System.setErr(ps);
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28 | }
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29 |
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30 | /**
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31 | * @return Logger instance
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32 | */
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33 | public static LogPrintStream getInstance() {
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34 | return instance;
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35 | }
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36 |
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37 | /**
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38 | * Set the file to log to
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39 | *
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40 | * @param logFile
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41 | * Log file
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42 | * @throws IOException
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43 | * Should not happen?!
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44 | */
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45 | public void setFile(File logFile) throws IOException {
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46 | if (fw != null)
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47 | fw.close();
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48 | fw = new FileWriter(logFile);
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49 | }
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50 |
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51 | @Override
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52 | public void write(int b) throws IOException {
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53 | baos.write(b);
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54 | if (logStdOut)
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55 | stdOut.write(b);
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56 | if (fw != null)
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57 | fw.write(b);
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58 | }
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59 |
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60 | /**
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61 | * @return Get the text that has been written to log up to now
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62 | */
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63 | public String getLog() {
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64 | return baos.toString();
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65 | }
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66 |
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67 | @Override
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68 | public void flush() throws IOException {
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69 | stdOut.flush();
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70 | baos.flush();
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71 | if (fw != null)
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72 | fw.flush();
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73 | }
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74 |
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75 | @Override
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76 | public void close() throws IOException {
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77 | if (fw != null)
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78 | fw.close();
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79 | super.close();
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80 | }
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81 | }
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