1 | package fr.mael.jiwigo.service; |
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2 | |
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3 | import java.io.File; |
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4 | import java.io.IOException; |
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5 | import java.util.List; |
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6 | |
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7 | import fr.mael.jiwigo.dao.ImageDao; |
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8 | import fr.mael.jiwigo.om.Image; |
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9 | import fr.mael.jiwigo.transverse.enumeration.PreferencesEnum; |
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10 | import fr.mael.jiwigo.transverse.util.ImagesUtil; |
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11 | import fr.mael.jiwigo.transverse.util.Messages; |
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12 | import fr.mael.jiwigo.transverse.util.Outil; |
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13 | import fr.mael.jiwigo.transverse.util.preferences.PreferencesManagement; |
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14 | import fr.mael.jiwigo.ui.mainframe.MainFrame; |
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15 | |
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16 | /** |
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17 | * |
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18 | Copyright (c) 2010, Mael |
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19 | All rights reserved. |
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20 | |
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21 | Redistribution and use in source and binary forms, with or without |
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22 | modification, are permitted provided that the following conditions are met: |
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23 | * Redistributions of source code must retain the above copyright |
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24 | notice, this list of conditions and the following disclaimer. |
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25 | * Redistributions in binary form must reproduce the above copyright |
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26 | notice, this list of conditions and the following disclaimer in the |
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27 | documentation and/or other materials provided with the distribution. |
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28 | * Neither the name of jiwigo nor the |
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29 | names of its contributors may be used to endorse or promote products |
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30 | derived from this software without specific prior written permission. |
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31 | |
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32 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
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33 | ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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34 | WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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35 | DISCLAIMED. IN NO EVENT SHALL Mael BE LIABLE FOR ANY |
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36 | DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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37 | (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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38 | LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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39 | ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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40 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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41 | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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42 | |
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43 | * @author mael |
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44 | * |
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45 | */ |
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46 | public class ImageService { |
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47 | |
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48 | /** |
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49 | * Logger |
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50 | */ |
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51 | public static final org.apache.commons.logging.Log LOG = org.apache.commons.logging.LogFactory |
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52 | .getLog(ImageService.class); |
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53 | |
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54 | /** |
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55 | * Singleton |
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56 | */ |
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57 | private static ImageService instance; |
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58 | |
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59 | /** |
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60 | * @return the singleton |
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61 | */ |
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62 | public static ImageService getInstance() { |
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63 | if (instance == null) { |
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64 | instance = new ImageService(); |
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65 | } |
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66 | return instance; |
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67 | } |
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68 | |
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69 | /** |
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70 | * private constructor to use a singleton |
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71 | */ |
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72 | private ImageService() { |
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73 | |
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74 | } |
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75 | |
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76 | /** |
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77 | * Lists all images for a category |
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78 | * @param categoryId the id of the category |
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79 | * @param rafraichir true : refresh the list of images |
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80 | * @return the list of images |
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81 | * @throws IOException |
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82 | */ |
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83 | public List<Image> listerParCategory(Integer categoryId, boolean rafraichir) throws IOException { |
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84 | return ImageDao.getInstance().listerParCategory(categoryId, rafraichir); |
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85 | } |
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86 | |
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87 | /** |
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88 | * Method called to send an image to the server. |
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89 | * @param filePath |
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90 | * @param idCategory |
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91 | * @return |
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92 | * @throws Exception |
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93 | */ |
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94 | public boolean creer(String filePath, Integer idCategory) throws Exception { |
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95 | File originalFile = new File(filePath); |
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96 | MainFrame.getInstance().setMessage(Messages.getMessage("mainFrame_resizing") + " " + originalFile.getName()); |
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97 | //get the byte array of the original file, to keep metadata |
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98 | byte[] bytesFichierOriginal = Outil.getBytesFromFile(originalFile); |
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99 | |
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100 | //size taken from the user's preferences |
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101 | int widthOriginale = Integer |
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102 | .valueOf(PreferencesManagement.getValue(PreferencesEnum.WIDTH_ORIGINALE.getLabel())); |
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103 | int heightOriginale = Integer.valueOf(PreferencesManagement |
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104 | .getValue(PreferencesEnum.HEIGHT_ORIGINAL.getLabel())); |
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105 | //resize the picture (or not) |
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106 | boolean originaleRedimensionnee = ImagesUtil.scale(filePath, "originale.jpg", widthOriginale, heightOriginale); |
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107 | //create the thumbnail |
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108 | ImagesUtil.scale(filePath, "thumb.jpg", 120, 90); |
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109 | //get the thumbnail |
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110 | File thumbnail = new File(System.getProperty("java.io.tmpdir") + "/thumb.jpg"); |
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111 | File originale = null; |
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112 | if (originaleRedimensionnee) { |
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113 | originale = new File(System.getProperty("java.io.tmpdir") + "/originale.jpg"); |
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114 | //if the original file has been resized, we put the metadata in the resized file |
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115 | //I use here a try catch because if the original file isn't a jpeg |
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116 | //the methode Outil.enrich will fail, but the procedure has to continue |
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117 | MainFrame.getInstance().setMessage( |
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118 | Messages.getMessage("mainFrame_addMetadata") + " " + originalFile.getName()); |
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119 | try { |
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120 | byte[] fichierEnrichi = Outil.enrich(bytesFichierOriginal, Outil.getBytesFromFile(new File(System |
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121 | .getProperty("java.io.tmpdir") |
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122 | + "/originale.jpg"))); |
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123 | Outil.byteToFile(System.getProperty("java.io.tmpdir") + "/originale.jpg", fichierEnrichi); |
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124 | } catch (Exception e) { |
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125 | } |
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126 | } else { |
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127 | originale = originalFile; |
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128 | |
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129 | } |
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130 | Image image = new Image(); |
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131 | image.setName(getImageName(filePath)); |
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132 | image.setThumbnail(thumbnail); |
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133 | image.setOriginale(originale); |
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134 | image.setIdCategory(idCategory); |
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135 | MainFrame.getInstance() |
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136 | .setMessage(Messages.getMessage("mainFrame_sendingFiles") + " " + originalFile.getName()); |
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137 | //now we call the dao to send the image to the webservice |
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138 | return ImageDao.getInstance().creer(image); |
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139 | } |
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140 | |
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141 | /** |
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142 | * Add tags to an existing image |
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143 | * @param image the image |
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144 | * @param tagId the ids of the tags |
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145 | * @return true if successful |
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146 | * @throws IOException |
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147 | */ |
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148 | public boolean addTags(Image image, String tagId) throws IOException { |
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149 | return ImageDao.getInstance().addTags(image.getIdentifiant(), tagId); |
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150 | } |
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151 | |
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152 | /** |
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153 | * Search images from a string |
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154 | * @param queryString the string |
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155 | * @return images matching the string |
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156 | * @throws IOException |
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157 | */ |
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158 | public List<Image> search(String queryString) throws IOException { |
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159 | return ImageDao.getInstance().search(queryString); |
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160 | } |
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161 | |
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162 | /** |
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163 | * Deletes the file extension |
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164 | * @param path |
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165 | * @return |
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166 | */ |
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167 | private String getImageName(String path) { |
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168 | File fichier = new File(path); |
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169 | StringBuffer name = new StringBuffer(fichier.getName()); |
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170 | return (name.delete(name.lastIndexOf("."), name.length())).toString(); |
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171 | |
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172 | } |
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173 | |
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174 | } |
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