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746
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1 <%@page language="java"
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2 import="digilib.io.FileOps, digilib.io.ImageFileset, digilib.io.ImageFile,
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3 digilib.image.ImageSize, digilib.servlet.DigilibConfiguration"
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4 contentType="application/json"%><%!
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5 // create DocumentBean instance for all JSP requests
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6 digilib.servlet.DocumentBean docBean = new digilib.servlet.DocumentBean();
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7
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8 // initialize DocumentBean instance in JSP init
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9 public void jspInit() {
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10 try {
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11 // set servlet init-parameter
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12 docBean.setConfig(getServletConfig());
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13 } catch (javax.servlet.ServletException e) {
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14 System.out.println(e);
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15 }
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16 }
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17 %><%
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18 // parsing the query
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19 digilib.servlet.DigilibRequest dlRequest = new digilib.servlet.DigilibRequest(request);
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20 docBean.setRequest(dlRequest);
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21 // dir cache
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22 digilib.servlet.DigilibConfiguration dlConfig = docBean.getDlConfig();
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23 digilib.io.DocuDirCache dirCache = (digilib.io.DocuDirCache) dlConfig.getValue("servlet.dir.cache");
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24 // get file
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25 FileOps.FileClass fc = FileOps.FileClass.IMAGE;
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26 ImageFileset imgFile = (ImageFileset) dirCache.getFile(dlRequest.getFilePath(), dlRequest.getAsInt("pn"), fc);
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27
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28 %>// JSON format metadata about an image
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29 { <%
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30 if (imgFile != null) {
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31 ImageFile img = imgFile.getBiggest();
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32 if (!img.isChecked()) {
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33 DigilibConfiguration.docuImageIdentify(img);
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34 }
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35 ImageSize imgSize = img.getSize();
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36 %>
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37 "filename" : "<%= imgFile.getName() %>",
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38 "aspect" : <%= imgFile.getAspect() %>,
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39 "dpi_x" : <%= imgFile.getResX() %>,
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40 "dpi_y" : <%= imgFile.getResY() %><%
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41
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42 if (imgSize != null) {
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43 %>,
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44 "width" : <%= imgSize.getWidth() %>,
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45 "height" : <%= imgSize.getHeight() %>
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46 <% }
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47 }
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48 %>}
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