src/main/java/eu/svjatoslav/meviz/htmlindexer/WebIndexer.java

   1 package eu.svjatoslav.meviz.htmlindexer;
   2
   3 import java.io.BufferedInputStream;
   4 import java.io.IOException;
   5 import java.io.ObjectInputStream;
   6 import java.net.MalformedURLException;
   7 import java.net.URL;
   8
   9 import eu.svjatoslav.commons.network.UrlParamEncoder;
  10 import eu.svjatoslav.meviz.htmlindexer.layouts.MixedLayout;
  11 import eu.svjatoslav.meviz.htmlindexer.metadata.Dimension;
  12 import eu.svjatoslav.meviz.htmlindexer.metadata.DirectoryMetadata;
  13 import eu.svjatoslav.meviz.htmlindexer.metadata.fileTypes.AbstractFile;
  14 import eu.svjatoslav.meviz.htmlindexer.metadata.fileTypes.Picture;
  15
  16 public class WebIndexer extends AbstractIndexer {
  17
  18         private final String localPrefix;
  19         private final String globalPrefix;
  20
  21         public WebIndexer(final String globalPrefix, final String localPrefix) {
  22                 this.globalPrefix = globalPrefix;
  23                 this.localPrefix = localPrefix;
  24         }
  25
  26         @Override
  27         public String getDirectoryUrl(final AbstractFile directory) {
  28                 return "photos.jsp?path=/" + UrlParamEncoder.encode(directory.fileName);
  29         }
  30
  31         public String getHtml(final String requestPath)
  32                         throws MalformedURLException, IOException, ClassNotFoundException {
  33
  34                 final MixedLayout layout = new MixedLayout();
  35                 layout.init("Photos", new String[] {}, this, localPrefix + requestPath);
  36
  37                 final DirectoryMetadata metadata = getMetadataForPath(requestPath);
  38
  39                 compileHtml(layout, metadata);
  40
  41                 return layout.getHtml();
  42         }
  43
  44         public DirectoryMetadata getMetadataForPath(final String requestPath)
  45                         throws IOException, MalformedURLException, ClassNotFoundException {
  46
  47                 final StringBuffer urlStringBuffer = new StringBuffer();
  48
  49                 urlStringBuffer.append(globalPrefix);
  50                 urlStringBuffer.append(UrlParamEncoder.encode(localPrefix));
  51                 urlStringBuffer.append(UrlParamEncoder.encode(requestPath));
  52                 if (!requestPath.equals("/"))
  53                         urlStringBuffer.append("/");
  54                 urlStringBuffer.append(".thumbnails/metadata_6.dat");
  55
  56                 final String urlString = urlStringBuffer.toString();
  57
  58                 final BufferedInputStream in = new BufferedInputStream(new URL(
  59                                 urlString).openStream());
  60
  61                 final ObjectInputStream oin = new ObjectInputStream(in);
  62                 final DirectoryMetadata directory = (DirectoryMetadata) oin
  63                                 .readObject();
  64                 in.close();
  65
  66                 return directory;
  67         }
  68
  69         @Override
  70         public String getThumbnailPath(final Picture picture,
  71                         final Dimension desiredDimension) {
  72
  73                 // in case thumbnail size was equal to original, then return original
  74                 // file path
  75                 if (picture.getDimensions().equals(desiredDimension))
  76                         return localPrefix + picture.fileName;
  77
  78                 final String thumbnailFileName = picture
  79                                 .getRelativeThumbnailFileName(desiredDimension);
  80
  81                 return localPrefix + "/" + Constants.THUMBNAILS_DIRECTORY_NAME + "/"
  82                                 + thumbnailFileName;
  83         }
  84
  85 }