1 | package fr.mael.jiwigo.dao; |
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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.ArrayList; |
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6 | import java.util.HashMap; |
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7 | import java.util.List; |
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8 | |
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9 | import org.jdom.Document; |
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10 | import org.jdom.Element; |
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11 | |
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12 | import sun.misc.BASE64Encoder; |
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13 | import fr.mael.jiwigo.Main; |
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14 | import fr.mael.jiwigo.om.Image; |
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15 | import fr.mael.jiwigo.transverse.enumeration.MethodsEnum; |
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16 | import fr.mael.jiwigo.transverse.enumeration.PreferencesEnum; |
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17 | import fr.mael.jiwigo.transverse.util.Outil; |
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18 | import fr.mael.jiwigo.transverse.util.preferences.PreferencesManagement; |
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19 | |
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20 | /** |
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21 | Copyright (c) 2010, Mael |
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22 | All rights reserved. |
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23 | |
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24 | Redistribution and use in source and binary forms, with or without |
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25 | modification, are permitted provided that the following conditions are met: |
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26 | * Redistributions of source code must retain the above copyright |
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27 | notice, this list of conditions and the following disclaimer. |
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28 | * Redistributions in binary form must reproduce the above copyright |
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29 | notice, this list of conditions and the following disclaimer in the |
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30 | documentation and/or other materials provided with the distribution. |
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31 | * Neither the name of jiwigo nor the |
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32 | names of its contributors may be used to endorse or promote products |
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33 | derived from this software without specific prior written permission. |
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34 | |
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35 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
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36 | ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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37 | WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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38 | DISCLAIMED. IN NO EVENT SHALL Mael BE LIABLE FOR ANY |
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39 | DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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40 | (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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41 | LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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42 | ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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43 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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44 | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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45 | |
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46 | * Dao des images |
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47 | * @author mael |
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48 | * |
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49 | */ |
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50 | public class ImageDao { |
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51 | /** |
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52 | * Logger |
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53 | */ |
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54 | public static final org.apache.commons.logging.Log LOG = org.apache.commons.logging.LogFactory |
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55 | .getLog(ImageDao.class); |
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56 | |
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57 | /** |
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58 | * Singleton |
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59 | */ |
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60 | private static ImageDao instance; |
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61 | |
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62 | /** |
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63 | * cache |
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64 | */ |
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65 | private HashMap<Integer, ArrayList<Image>> cache; |
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66 | |
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67 | /** |
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68 | * |
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69 | */ |
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70 | private Integer firstCatInCache; |
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71 | |
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72 | /** |
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73 | * Constructeur privé, pour n'avoir accès qu'au singleton |
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74 | */ |
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75 | private ImageDao() { |
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76 | cache = new HashMap<Integer, ArrayList<Image>>(); |
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77 | } |
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78 | |
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79 | /** |
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80 | * @return le singleton |
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81 | */ |
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82 | public static ImageDao getInstance() { |
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83 | if (instance == null) { |
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84 | instance = new ImageDao(); |
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85 | } |
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86 | return instance; |
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87 | } |
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88 | |
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89 | /** |
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90 | * Lister toutes les images |
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91 | * @return la liste des images |
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92 | * @throws IOException |
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93 | */ |
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94 | public List<Image> lister(boolean rafraichir) throws IOException { |
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95 | return listerParCategory(null, rafraichir); |
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96 | } |
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97 | |
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98 | /** |
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99 | * Listing des images d'une catégorie |
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100 | * @param categoryId l'id de la catégorie |
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101 | * @return la liste des images |
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102 | * @throws IOException |
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103 | */ |
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104 | public List<Image> listerParCategory(Integer categoryId, boolean rafraichir) throws IOException { |
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105 | if (rafraichir || cache.get(categoryId) == null) { |
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106 | Document doc = null; |
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107 | if (categoryId != null) { |
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108 | doc = Main.sessionManager.executerReturnDocument(MethodsEnum.LISTER_IMAGES.getLabel(), "cat_id", String |
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109 | .valueOf(categoryId)); |
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110 | } else { |
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111 | doc = Main.sessionManager.executerReturnDocument(MethodsEnum.LISTER_IMAGES.getLabel()); |
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112 | } |
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113 | Element element = doc.getRootElement().getChild("images"); |
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114 | List<Element> listElement = (List<Element>) element.getChildren("image"); |
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115 | ArrayList<Image> images = new ArrayList<Image>(); |
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116 | for (Element im : listElement) { |
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117 | Image myImage = new Image(); |
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118 | myImage.setMiniature(im.getAttributeValue("tn_url")); |
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119 | myImage.setUrl(im.getAttributeValue("element_url")); |
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120 | myImage.setWidth(Integer.valueOf(im.getAttributeValue("width"))); |
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121 | myImage.setHeight(Integer.valueOf(im.getAttributeValue("height"))); |
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122 | myImage.setFile(im.getAttributeValue("file")); |
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123 | myImage.setVue(Integer.valueOf(im.getAttributeValue("hit"))); |
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124 | myImage.setIdentifiant(Integer.valueOf(im.getAttributeValue("id"))); |
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125 | myImage.setName(im.getChildText("name")); |
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126 | if (myImage.getName() == null) { |
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127 | myImage.setName(myImage.getFile()); |
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128 | } |
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129 | images.add(myImage); |
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130 | |
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131 | } |
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132 | cache.remove(categoryId); |
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133 | cache.put(categoryId, images); |
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134 | if (firstCatInCache == null) { |
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135 | firstCatInCache = categoryId; |
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136 | } |
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137 | return images; |
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138 | } else { |
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139 | return cache.get(categoryId); |
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140 | } |
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141 | } |
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142 | |
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143 | /** |
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144 | * Creation d'une image.<br/> |
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145 | * Dans l'ordre : <br/> |
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146 | * <li> |
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147 | * <ul>envoi de la miniature en base64, grace à la méthode addchunk.</ul> |
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148 | * <ul>envoi de l'image originale en base64, grace à la méthode addchunk</ul> |
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149 | * <ul>utilisation de la methode add pour ajouter l'image dans la base<ul> |
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150 | * </li> |
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151 | * Pour finir, on vérifie les réponses du webservice. |
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152 | * |
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153 | * @param image l'image à créer |
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154 | * @return true si l'insertiopn de l'image s'est bien passée |
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155 | * @throws Exception |
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156 | */ |
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157 | //TODO ne pas continuer si une des réponses précédentes est négative |
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158 | public boolean creer(Image image) throws Exception { |
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159 | //on convertit la miniature en string base64 |
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160 | BASE64Encoder base64 = new BASE64Encoder(); |
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161 | |
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162 | String thumbnailBase64 = base64.encode(Outil.getBytesFromFile(image.getThumbnail())); |
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163 | //on envoie la miniature et on recupere la reponse |
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164 | Document reponseThumb = (Main.sessionManager.executerReturnDocument("pwg.images.addChunk", "data", |
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165 | thumbnailBase64, "type", "thumb", "position", "1", "original_sum", Outil.getMD5Checksum(image |
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166 | .getOriginale().getAbsolutePath()))); |
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167 | |
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168 | //begin feature:0001827 |
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169 | Double doubleChunk = Double.parseDouble(PreferencesManagement.getValue(PreferencesEnum.CHUNK_SIZE.getLabel())) * 1000 * 1024; |
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170 | int chunk = doubleChunk.intValue(); |
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171 | ArrayList<File> fichiersAEnvoyer = Outil.splitFile(image.getOriginale(), chunk); |
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172 | boolean echec = false; |
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173 | for (int i = 0; i < fichiersAEnvoyer.size(); i++) { |
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174 | File fichierAEnvoyer = fichiersAEnvoyer.get(i); |
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175 | String originaleBase64 = base64.encode(Outil.getBytesFromFile(fichierAEnvoyer)); |
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176 | Document reponseOriginale = (Main.sessionManager.executerReturnDocument("pwg.images.addChunk", "data", |
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177 | originaleBase64, "type", "file", "position", String.valueOf(i), "original_sum", Outil |
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178 | .getMD5Checksum(image.getOriginale().getAbsolutePath()))); |
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179 | if (!Outil.checkOk(reponseOriginale)) { |
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180 | echec = true; |
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181 | break; |
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182 | } |
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183 | } |
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184 | //end |
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185 | |
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186 | //on ajoute l'image en base et on recupere la reponse |
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187 | Document reponseAjout = (Main.sessionManager.executerReturnDocument("pwg.images.add", "file_sum", Outil |
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188 | .getMD5Checksum(image.getOriginale().getAbsolutePath()), "thumbnail_sum", Outil.getMD5Checksum(image |
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189 | .getThumbnail().getCanonicalPath()), "position", "1", "original_sum", Outil.getMD5Checksum(image |
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190 | .getOriginale().getAbsolutePath()), "categories", String.valueOf(image.getIdCategory()), "name", image |
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191 | .getName(), "author", Main.sessionManager.getLogin())); |
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192 | // System.out.println(Main.sessionManager.executerReturnString("pwg.images.add", "file_sum", Outil |
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193 | // .getMD5Checksum(image.getOriginale().getAbsolutePath()), "thumbnail_sum", Outil.getMD5Checksum(image |
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194 | // .getThumbnail().getCanonicalPath()), "position", "1", "original_sum", Outil.getMD5Checksum(image |
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195 | // .getOriginale().getAbsolutePath()), "categories", String.valueOf(image.getIdCategory()), "name", image |
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196 | // .getName(), "author", Main.sessionManager.getLogin())); |
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197 | boolean reussite = true; |
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198 | if (!Outil.checkOk(reponseThumb) || echec || !Outil.checkOk(reponseAjout)) { |
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199 | reussite = false; |
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200 | } |
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201 | suppressionFichierTemporaires(); |
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202 | return reussite; |
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203 | |
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204 | } |
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205 | |
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206 | private void suppressionFichierTemporaires() { |
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207 | File file = new File(System.getProperty("java.io.tmpdir") + "/originale.jpg"); |
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208 | file.delete(); |
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209 | file = new File(System.getProperty("java.io.tmpdir") + "/thumb.jpg"); |
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210 | file.delete(); |
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211 | |
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212 | } |
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213 | |
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214 | } |
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