1 | package fr.mael.jiwigo.dao; |
---|
2 | |
---|
3 | import java.io.File; |
---|
4 | import java.io.IOException; |
---|
5 | import java.util.ArrayList; |
---|
6 | import java.util.HashMap; |
---|
7 | import java.util.List; |
---|
8 | |
---|
9 | import org.jdom.Document; |
---|
10 | import org.jdom.Element; |
---|
11 | import org.jdom.output.XMLOutputter; |
---|
12 | |
---|
13 | import sun.misc.BASE64Encoder; |
---|
14 | import fr.mael.jiwigo.om.Image; |
---|
15 | import fr.mael.jiwigo.transverse.enumeration.MethodsEnum; |
---|
16 | import fr.mael.jiwigo.transverse.session.SessionManager; |
---|
17 | import fr.mael.jiwigo.transverse.util.Tools; |
---|
18 | |
---|
19 | /* |
---|
20 | Copyright (c) 2010, Mael |
---|
21 | All rights reserved. |
---|
22 | |
---|
23 | Redistribution and use in source and binary forms, with or without |
---|
24 | modification, are permitted provided that the following conditions are met: |
---|
25 | * Redistributions of source code must retain the above copyright |
---|
26 | notice, this list of conditions and the following disclaimer. |
---|
27 | * Redistributions in binary form must reproduce the above copyright |
---|
28 | notice, this list of conditions and the following disclaimer in the |
---|
29 | documentation and/or other materials provided with the distribution. |
---|
30 | * Neither the name of jiwigo nor the |
---|
31 | names of its contributors may be used to endorse or promote products |
---|
32 | derived from this software without specific prior written permission. |
---|
33 | |
---|
34 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
---|
35 | ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
---|
36 | WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
---|
37 | DISCLAIMED. IN NO EVENT SHALL Mael BE LIABLE FOR ANY |
---|
38 | DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
---|
39 | (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
---|
40 | LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
---|
41 | ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
---|
42 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
---|
43 | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
---|
44 | */ |
---|
45 | /** |
---|
46 | |
---|
47 | * Dao of the images |
---|
48 | * @author mael |
---|
49 | * |
---|
50 | */ |
---|
51 | public class ImageDao { |
---|
52 | |
---|
53 | /** |
---|
54 | * Logger |
---|
55 | */ |
---|
56 | public static final org.apache.commons.logging.Log LOG = org.apache.commons.logging.LogFactory |
---|
57 | .getLog(ImageDao.class); |
---|
58 | |
---|
59 | /** |
---|
60 | * Singleton |
---|
61 | */ |
---|
62 | private static ImageDao instance; |
---|
63 | |
---|
64 | /** |
---|
65 | * cache to avoid downloading image for each access |
---|
66 | */ |
---|
67 | private HashMap<Integer, List<Image>> cache; |
---|
68 | |
---|
69 | /** |
---|
70 | * |
---|
71 | */ |
---|
72 | private Integer firstCatInCache; |
---|
73 | |
---|
74 | private SessionManager sessionManager; |
---|
75 | |
---|
76 | /** |
---|
77 | * Private singleton, to use a singleton |
---|
78 | */ |
---|
79 | private ImageDao(SessionManager sessionManager) { |
---|
80 | cache = new HashMap<Integer, List<Image>>(); |
---|
81 | this.sessionManager = sessionManager; |
---|
82 | } |
---|
83 | |
---|
84 | /** |
---|
85 | * @return le singleton |
---|
86 | */ |
---|
87 | public static ImageDao getInstance(SessionManager sessionManager) { |
---|
88 | if (instance == null) { |
---|
89 | instance = new ImageDao(sessionManager); |
---|
90 | } |
---|
91 | return instance; |
---|
92 | } |
---|
93 | |
---|
94 | /** |
---|
95 | * Lists all images |
---|
96 | * @return the list of images |
---|
97 | * @throws IOException |
---|
98 | */ |
---|
99 | public List<Image> list(boolean refresh) throws IOException { |
---|
100 | return listByCategory(null, refresh); |
---|
101 | } |
---|
102 | |
---|
103 | /** |
---|
104 | * Listing of the images for a category |
---|
105 | * @param categoryId the id of the category |
---|
106 | * @return the list of images |
---|
107 | * @throws IOException |
---|
108 | */ |
---|
109 | public List<Image> listByCategory(Integer categoryId, boolean refresh) throws IOException { |
---|
110 | if (refresh || cache.get(categoryId) == null) { |
---|
111 | Document doc = null; |
---|
112 | |
---|
113 | if (categoryId != null) { |
---|
114 | doc = sessionManager.executeReturnDocument(MethodsEnum.LISTER_IMAGES.getLabel(), "cat_id", String |
---|
115 | .valueOf(categoryId)); |
---|
116 | } else { |
---|
117 | doc = sessionManager.executeReturnDocument(MethodsEnum.LISTER_IMAGES.getLabel()); |
---|
118 | } |
---|
119 | Element element = doc.getRootElement().getChild("images"); |
---|
120 | List<Image> images = getImagesFromElement(element); |
---|
121 | cache.remove(categoryId); |
---|
122 | cache.put(categoryId, images); |
---|
123 | if (firstCatInCache == null) { |
---|
124 | firstCatInCache = categoryId; |
---|
125 | } |
---|
126 | return images; |
---|
127 | } else { |
---|
128 | return cache.get(categoryId); |
---|
129 | } |
---|
130 | } |
---|
131 | |
---|
132 | /** |
---|
133 | * Creation of an image<br/> |
---|
134 | * Sequence : <br/> |
---|
135 | * <li> |
---|
136 | * <ul>sending of the thumbnail in base64, thanks to the method addchunk.</ul> |
---|
137 | * <ul>sending of the image in base64, thanks to the method addchunk</ul> |
---|
138 | * <ul>using of the add method to add the image to the database<ul> |
---|
139 | * </li> |
---|
140 | * Finally, the response of the webservice is checked |
---|
141 | * |
---|
142 | * @param image the image to create |
---|
143 | * @return true if the creation of the image was the successful |
---|
144 | * @throws Exception |
---|
145 | */ |
---|
146 | //TODO ne pas continuer si une des reponses precedentes est negative |
---|
147 | public boolean create(Image image, Double chunkSize) throws Exception { |
---|
148 | //thumbnail converted to base64 |
---|
149 | BASE64Encoder base64 = new BASE64Encoder(); |
---|
150 | |
---|
151 | String thumbnailBase64 = base64.encode(Tools.getBytesFromFile(image.getThumbnail())); |
---|
152 | //sends the thumbnail and gets the result |
---|
153 | Document reponseThumb = (sessionManager.executeReturnDocument("pwg.images.addChunk", "data", thumbnailBase64, |
---|
154 | "type", "thumb", "position", "1", "original_sum", Tools.getMD5Checksum(image.getOriginale() |
---|
155 | .getAbsolutePath()))); |
---|
156 | |
---|
157 | //begin feature:0001827 |
---|
158 | int chunk = chunkSize.intValue(); |
---|
159 | ArrayList<File> fichiersAEnvoyer = Tools.splitFile(image.getOriginale(), chunk); |
---|
160 | boolean echec = false; |
---|
161 | for (int i = 0; i < fichiersAEnvoyer.size(); i++) { |
---|
162 | File fichierAEnvoyer = fichiersAEnvoyer.get(i); |
---|
163 | String originaleBase64 = base64.encode(Tools.getBytesFromFile(fichierAEnvoyer)); |
---|
164 | Document reponseOriginale = (sessionManager.executeReturnDocument("pwg.images.addChunk", "data", |
---|
165 | originaleBase64, "type", "file", "position", String.valueOf(i), "original_sum", Tools |
---|
166 | .getMD5Checksum(image.getOriginale().getAbsolutePath()))); |
---|
167 | if (!Tools.checkOk(reponseOriginale)) { |
---|
168 | echec = true; |
---|
169 | break; |
---|
170 | } |
---|
171 | } |
---|
172 | //end |
---|
173 | |
---|
174 | //add the image in the database and get the result of the webservice |
---|
175 | Document reponseAjout = (sessionManager.executeReturnDocument("pwg.images.add", "file_sum", Tools |
---|
176 | .getMD5Checksum(image.getOriginale().getAbsolutePath()), "thumbnail_sum", Tools.getMD5Checksum(image |
---|
177 | .getThumbnail().getCanonicalPath()), "position", "1", "original_sum", Tools.getMD5Checksum(image |
---|
178 | .getOriginale().getAbsolutePath()), "categories", String.valueOf(image.getIdCategory()), "name", image |
---|
179 | .getName(), "author", sessionManager.getLogin(), "level", image.getPrivacyLevel())); |
---|
180 | LOG.debug("Response add : " + Tools.documentToString(reponseAjout)); |
---|
181 | // System.out.println(Main.sessionManager.executerReturnString("pwg.images.add", "file_sum", Outil |
---|
182 | // .getMD5Checksum(image.getOriginale().getAbsolutePath()), "thumbnail_sum", Outil.getMD5Checksum(image |
---|
183 | // .getThumbnail().getCanonicalPath()), "position", "1", "original_sum", Outil.getMD5Checksum(image |
---|
184 | // .getOriginale().getAbsolutePath()), "categories", String.valueOf(image.getIdCategory()), "name", image |
---|
185 | // .getName(), "author", Main.sessionManager.getLogin())); |
---|
186 | // Document reponsePrivacy = null; |
---|
187 | // if (Outil.checkOk(reponseAjout)) { |
---|
188 | // reponsePrivacy = Main.sessionManager.executerReturnDocument(MethodsEnum.SET_PRIVACY_LEVEL.getLabel()); |
---|
189 | // } |
---|
190 | boolean reussite = true; |
---|
191 | if (!Tools.checkOk(reponseThumb) || echec || !Tools.checkOk(reponseAjout)) { |
---|
192 | reussite = false; |
---|
193 | } |
---|
194 | deleteTempFiles(); |
---|
195 | return reussite; |
---|
196 | |
---|
197 | } |
---|
198 | |
---|
199 | /** |
---|
200 | * Add tags to an image |
---|
201 | * @param imageId id of the image |
---|
202 | * @param tagId ids of the tags |
---|
203 | * @throws IOException |
---|
204 | */ |
---|
205 | public boolean addTags(Integer imageId, String tagId) throws IOException { |
---|
206 | Document doc = sessionManager.executeReturnDocument(MethodsEnum.SET_INFO.getLabel(), "image_id", String |
---|
207 | .valueOf(imageId), "tag_ids", tagId); |
---|
208 | return Tools.checkOk(doc); |
---|
209 | |
---|
210 | } |
---|
211 | |
---|
212 | /** |
---|
213 | * parse an element to find images |
---|
214 | * @param element the element to parse |
---|
215 | * @return the list of images |
---|
216 | */ |
---|
217 | private List<Image> getImagesFromElement(Element element) { |
---|
218 | List<Element> listElement = (List<Element>) element.getChildren("image"); |
---|
219 | ArrayList<Image> images = new ArrayList<Image>(); |
---|
220 | for (Element im : listElement) { |
---|
221 | Image myImage = new Image(); |
---|
222 | myImage.setThumbnailUrl(im.getAttributeValue("tn_url")); |
---|
223 | myImage.setUrl(im.getAttributeValue("element_url")); |
---|
224 | myImage.setWidth(Integer.valueOf(im.getAttributeValue("width"))); |
---|
225 | myImage.setHeight(Integer.valueOf(im.getAttributeValue("height"))); |
---|
226 | myImage.setFile(im.getAttributeValue("file")); |
---|
227 | myImage.setSeen(Integer.valueOf(im.getAttributeValue("hit"))); |
---|
228 | myImage.setIdentifier(Integer.valueOf(im.getAttributeValue("id"))); |
---|
229 | myImage.setName(im.getChildText("name")); |
---|
230 | System.out.println(new XMLOutputter().outputString(im)); |
---|
231 | // myImage.setIdCategory(Integer.valueOf(im.getChild("categories").getChild("category") |
---|
232 | // .getAttributeValue("id"))); |
---|
233 | if (myImage.getName() == null) { |
---|
234 | myImage.setName(myImage.getFile()); |
---|
235 | } |
---|
236 | images.add(myImage); |
---|
237 | } |
---|
238 | return images; |
---|
239 | } |
---|
240 | |
---|
241 | /** |
---|
242 | * Search images |
---|
243 | * @param searchString the string to search |
---|
244 | * @return the list of images matching the string |
---|
245 | * @throws IOException |
---|
246 | */ |
---|
247 | public List<Image> search(String searchString) throws IOException { |
---|
248 | Document doc = sessionManager.executeReturnDocument(MethodsEnum.SEARCH.getLabel(), "query", searchString); |
---|
249 | LOG.debug(doc); |
---|
250 | Element element = doc.getRootElement().getChild("images"); |
---|
251 | return getImagesFromElement(element); |
---|
252 | |
---|
253 | } |
---|
254 | |
---|
255 | private void deleteTempFiles() { |
---|
256 | File file = new File(System.getProperty("java.io.tmpdir") + "/originale.jpg"); |
---|
257 | file.delete(); |
---|
258 | file = new File(System.getProperty("java.io.tmpdir") + "/thumb.jpg"); |
---|
259 | file.delete(); |
---|
260 | |
---|
261 | } |
---|
262 | |
---|
263 | } |
---|