src/main/java/eu/svjatoslav/meviz/textsplitter/Main.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.textsplitter;
  11
  12 import java.io.BufferedReader;
  13 import java.io.BufferedWriter;
  14 import java.io.File;
  15 import java.io.FileReader;
  16 import java.io.FileWriter;
  17 import java.io.IOException;
  18
  19 import eu.svjatoslav.commons.file.FilePathParser;
  20 import eu.svjatoslav.commons.string.String2;
  21 import eu.svjatoslav.commons.string.WildCardMatcher;
  22 import eu.svjatoslav.meviz.Module;
  23
  24 public class Main implements Module {
  25
  26         CommandlineHandler commandlineHandler = new CommandlineHandler();
  27
  28         TextSplittingOptions options;
  29
  30         public boolean fileMatchesInputPattern(final File file) {
  31                 final String fileName = file.getName().toLowerCase();
  32
  33                 for (final String inputPattern : options.fileInputPatterns)
  34                         if (WildCardMatcher.match(fileName, inputPattern.toLowerCase()))
  35                                 return true;
  36
  37                 return false;
  38         }
  39
  40         @Override
  41         public String getDescription() {
  42                 return "Split text with long lines into multiple shorter lines.";
  43         }
  44
  45         @Override
  46         public String getModuleCommand() {
  47                 return "splittext";
  48         }
  49
  50         private File getTargetFile(final File sourceFile) {
  51                 final StringBuffer targetFilePath = new StringBuffer();
  52                 targetFilePath.append(sourceFile.getParent());
  53                 targetFilePath.append("/");
  54                 targetFilePath.append(FilePathParser
  55                                 .getFileNameWithoutExtension(sourceFile));
  56
  57                 targetFilePath.append(".splitted");
  58
  59                 // add file extension
  60                 {
  61                         final String fileExtension = FilePathParser
  62                                         .getFileExtension(sourceFile);
  63
  64                         if (fileExtension.length() > 0)
  65                                 targetFilePath.append("." + fileExtension);
  66                 }
  67                 return new File(targetFilePath.toString());
  68         }
  69
  70         public void processDirectory(final File directory) {
  71
  72                 for (final File subFile : directory.listFiles())
  73                         if (subFile.isDirectory()) {
  74                                 if (options.recursive)
  75                                         processDirectory(subFile);
  76                         } else if (fileMatchesInputPattern(subFile))
  77                                 try {
  78                                         processFile(subFile);
  79                                 } catch (final IOException exception) {
  80                                         System.out.println("Error processing file: "
  81                                                         + subFile.getAbsolutePath());
  82                                         System.out.println("   exception: "
  83                                                         + exception.getMessage());
  84                                 }
  85
  86         }
  87
  88         public void processFile(final File file) throws IOException {
  89                 final File targetFile = getTargetFile(file);
  90
  91                 final BufferedReader bufferedReader = new BufferedReader(
  92                                 new FileReader(file));
  93
  94                 final BufferedWriter bufferedWriter = new BufferedWriter(
  95                                 new FileWriter(targetFile));
  96
  97                 while (true) {
  98                         final String readLine = bufferedReader.readLine();
  99                         if (readLine == null)
 100                                 break;
 101
 102                         final String2 cuttableString = new String2(readLine);
 103
 104                         while (!cuttableString.isEmpty()) {
 105                                 for (final String pattern : options.textSplitPatterns)
 106                                         if (WildCardMatcher.match(cuttableString.toString(),
 107                                                         pattern))
 108                                                 bufferedWriter.write("\n");
 109
 110                                 final String character = cuttableString.cutLeft(1);
 111                                 bufferedWriter.append(character);
 112                         }
 113
 114                         bufferedWriter.write("\n");
 115                 }
 116
 117                 bufferedReader.close();
 118                 bufferedWriter.close();
 119         }
 120
 121         @Override
 122         public void run(final String[] args) throws IOException {
 123
 124                 options = commandlineHandler.parseCommandlineArguments(args);
 125
 126                 if (options == null) {
 127                         showCommandlineHelp();
 128                         return;
 129                 }
 130
 131                 processDirectory(options.targetDirectory);
 132
 133         }
 134
 135         @Override
 136         public void showCommandlineHelp() {
 137                 commandlineHandler.parser.showHelp();
 138         }
 139
 140 }