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.meviz.htmlindexer.layouts.MixedLayout;
  10 import eu.svjatoslav.meviz.htmlindexer.metadata.Dimension;
  11 import eu.svjatoslav.meviz.htmlindexer.metadata.DirectoryMetadata;
  12 import eu.svjatoslav.meviz.htmlindexer.metadata.fileTypes.AbstractFile;
  13 import eu.svjatoslav.meviz.htmlindexer.metadata.fileTypes.Picture;
  14
  15 public class WebIndexer extends AbstractIndexer {
  16
  17         private final MixedLayout layout = new MixedLayout();
  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=/" + directory.fileName;
  29         }
  30
  31         public String getHtml(final String path) throws MalformedURLException,
  32                         IOException, ClassNotFoundException {
  33
  34                 layout.init("Photos", new String[] {}, this, localPrefix);
  35
  36                 final DirectoryMetadata metadata = getMetadataForPath();
  37
  38                 compileHtml(layout, metadata);
  39
  40                 return layout.getHtml();
  41         }
  42
  43         public DirectoryMetadata getMetadataForPath() throws IOException,
  44                         MalformedURLException, ClassNotFoundException {
  45
  46                 final BufferedInputStream in = new BufferedInputStream(
  47                                 new URL(globalPrefix + localPrefix
  48                                                 + ".thumbnails/metadata_6.dat").openStream());
  49
  50                 final ObjectInputStream oin = new ObjectInputStream(in);
  51                 final DirectoryMetadata directory = (DirectoryMetadata) oin
  52                                 .readObject();
  53                 in.close();
  54
  55                 return directory;
  56         }
  57
  58         @Override
  59         public String getThumbnailPath(final Picture picture,
  60                         final Dimension desiredDimension) {
  61
  62                 // in case thumbnail size was equal to original, then return original
  63                 // file path
  64                 if (picture.getDimensions().equals(desiredDimension))
  65                         return localPrefix + picture.fileName;
  66
  67                 final String thumbnailFileName = picture
  68                                 .getRelativeThumbnailFileName(desiredDimension);
  69
  70                 return localPrefix + Constants.THUMBNAILS_DIRECTORY_NAME + "/"
  71                                 + thumbnailFileName;
  72         }
  73
  74 }