src/main/java/eu/svjatoslav/meviz/encoder/EncodingTask.java

   1 /*
   2  * Meviz - Various tools collection to work with multimedia.
   3  * Copyright (C) 2012, Svjatoslav Agejenko, svjatoslav@svjatoslav.eu
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of version 2 of the GNU General Public License
   7  * as published by the Free Software Foundation.
   8  */
   9
  10 package eu.svjatoslav.meviz.encoder;
  11
  12 import java.io.File;
  13
  14 import eu.svjatoslav.meviz.encoder.converters.AbstractConverter;
  15
  16 public class EncodingTask {
  17
  18         /**
  19          * Source file to encode
  20          */
  21         private final File source;
  22
  23         /**
  24          * Target file.
  25          */
  26         private final File target;
  27
  28         private final AbstractConverter converter;
  29
  30         private boolean useTerminal;
  31
  32         private String targetFormat;
  33
  34         public EncodingTask(
  35                         final File source,
  36                         final File destination,
  37                         final eu.svjatoslav.meviz.encoder.converters.AbstractConverter converter,
  38                         String targetFormat) {
  39
  40                 this.source = source;
  41                 target = destination;
  42                 this.converter = converter;
  43                 this.targetFormat = targetFormat;
  44         }
  45
  46         /**
  47          * @return the useTerminal
  48          */
  49         public boolean doUseTerminal() {
  50                 return useTerminal;
  51         }
  52
  53         public String encodeApostrophes(final String input) {
  54                 final StringBuffer result = new StringBuffer();
  55
  56                 for (final char c : input.toCharArray()) {
  57                         if (c == '\'') {
  58                                 result.append("'\\''");
  59                                 continue;
  60                         }
  61                         result.append(c);
  62                 }
  63
  64                 return result.toString();
  65         }
  66
  67         public void execute(final EncodingOptions encodingOptions) {
  68                 try {
  69                         String command = getCommand(encodingOptions);
  70
  71                         if (doUseTerminal())
  72                                 command = "xterm -e '" + encodeApostrophes(command) + "'";
  73
  74                         System.out.println("Executing command: " + command);
  75
  76                         final Runtime run = Runtime.getRuntime();
  77                         Process pr;
  78                         pr = run.exec(new String[] { "/bin/bash", "-c", command });
  79
  80                         pr.waitFor();
  81
  82                 } catch (final Exception e) {
  83                         System.out.println(e.toString());
  84                         e.printStackTrace();
  85                 }
  86
  87         }
  88
  89         public String getCommand(final EncodingOptions encodingOptions) {
  90                 return converter.getCommand(source, target, encodingOptions,
  91                                 targetFormat);
  92         }
  93
  94         /**
  95          * @param useTerminal
  96          *            the useTerminal to set
  97          */
  98         public void setUseTerminal(final boolean useTerminal) {
  99                 this.useTerminal = useTerminal;
 100         }
 101 }