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1 /* |
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2 * Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Composes one dtd file from dtd entities |
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15 * |
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16 */ |
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17 |
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18 |
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19 package com.nokia.tools.themeinstaller.localisation; |
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20 |
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21 import java.io.BufferedWriter; |
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22 import java.io.File; |
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23 import java.io.FileOutputStream; |
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24 import java.io.IOException; |
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25 import java.io.OutputStreamWriter; |
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26 import java.util.Hashtable; |
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27 import java.util.Iterator; |
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28 import java.util.Set; |
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29 |
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30 import com.nokia.tools.themeinstaller.odtconverter.ConverterProperties; |
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31 |
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32 /** |
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33 * Composes one dtd file from multiple entities. |
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34 */ |
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35 public class DTDComposer |
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36 { |
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37 |
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38 /** The Regular expression for entity. */ |
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39 private static final String FORMAT = "<!ENTITY %s \"%s\">"; |
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40 |
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41 /** Line separator */ |
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42 private static final String CARRIAGE_RETURN = |
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43 System.getProperty( "line.separator" ); |
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44 |
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45 /** Property key for character encoding of DTD files */ |
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46 private static final String ENCODING_KEY = "dtd_encoding"; |
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47 |
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48 |
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49 /** |
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50 * Returns dtd entity in right format for file writing. |
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51 * |
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52 * @param aEntity the entity |
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53 * @param aLocString the localisable entity value |
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54 * |
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55 * @return Formatted entity |
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56 */ |
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57 public static String formatEntity( String aEntity, String aLocString ) |
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58 { |
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59 String[] formatArguments = { aEntity, aLocString }; |
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60 return String.format( FORMAT, formatArguments ); |
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61 } |
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62 |
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63 /** |
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64 * Write entities to dtd file. |
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65 * |
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66 * @param aDestination Destination file |
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67 * @param aEntities Entity - value pairs in hashtable |
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68 * @param aAppend Append to the original file if it exists |
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69 * |
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70 * @return The dtd file |
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71 * |
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72 * @throws IOException Signals that an I/O exception has occurred. |
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73 */ |
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74 public static File writeEntitiesToDtd( File aDestination, |
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75 Hashtable aEntities, |
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76 boolean aAppend ) |
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77 throws IOException |
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78 { |
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79 |
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80 // Read the assumed character encoding of DTD files |
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81 String encoding = |
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82 ConverterProperties.getInstance().getProperty( ENCODING_KEY ); |
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83 |
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84 BufferedWriter out = null; |
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85 if( encoding != null ) |
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86 { |
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87 // Use specified encoding |
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88 out = new BufferedWriter( new OutputStreamWriter( |
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89 new FileOutputStream( aDestination, aAppend ), encoding ) ); |
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90 } |
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91 else |
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92 { |
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93 // Use default encoding |
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94 out = new BufferedWriter( new OutputStreamWriter( |
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95 new FileOutputStream( aDestination, aAppend ) ) ); |
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96 } |
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97 |
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98 try |
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99 { |
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100 Set entries = aEntities.keySet(); |
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101 Iterator it = entries.iterator(); |
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102 |
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103 while ( it.hasNext() ) |
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104 { |
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105 String entity = ( String ) it.next(); |
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106 String locString = ( String ) aEntities.get( entity ); |
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107 |
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108 out.write( formatEntity( entity, locString ) + CARRIAGE_RETURN ); |
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109 } |
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110 } |
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111 finally |
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112 { |
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113 if ( out != null ) |
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114 { |
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115 out.close(); |
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116 } |
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117 } |
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118 |
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119 return aDestination; |
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120 } |
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121 |
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122 } |