src/main/java/eu/svjatoslav/meviz/htmlindexer/indexer/AbstractIndexer.java

   1 package eu.svjatoslav.meviz.htmlindexer.indexer;
   2
   3 import eu.svjatoslav.meviz.htmlindexer.IndexingContext;
   4 import eu.svjatoslav.meviz.htmlindexer.layouts.Layout;
   5 import eu.svjatoslav.meviz.htmlindexer.metadata.Dimension;
   6 import eu.svjatoslav.meviz.htmlindexer.metadata.DirectoryMetadata;
   7 import eu.svjatoslav.meviz.htmlindexer.metadata.fileTypes.*;
   8
   9 import java.io.File;
  10 import java.io.UnsupportedEncodingException;
  11
  12 import static eu.svjatoslav.meviz.htmlindexer.Constants.SUPPORTED_IMAGE_EXTENSIONS;
  13 import static eu.svjatoslav.meviz.htmlindexer.Constants.SUPPORTED_VIDEO_EXTENSIONS;
  14 import static java.util.Arrays.stream;
  15
  16 public abstract class AbstractIndexer {
  17
  18     public static boolean isImage(final String fileExtension) {
  19         return stream(SUPPORTED_IMAGE_EXTENSIONS)
  20                 .anyMatch(ext -> ext.equals(fileExtension));
  21     }
  22
  23     public static boolean isVideo(final String fileExtension) {
  24         for (final String ext : SUPPORTED_VIDEO_EXTENSIONS)
  25             if (ext.equals(fileExtension))
  26                 return true;
  27         return false;
  28     }
  29
  30     static boolean shallFileBeIndexed(final File file) {
  31
  32         if (file.getName().startsWith("."))
  33             return false;
  34         if (file.getName().startsWith("index"))
  35             if (file.getName().endsWith(".html"))
  36                 return false;
  37
  38         return true;
  39     }
  40
  41     void compileHtml(final Layout layout,
  42                      final DirectoryMetadata directory)
  43             throws UnsupportedEncodingException {
  44
  45         for (final AbstractFile file : directory.getFiles())
  46             if (file instanceof GeneralFile) {
  47                 layout.enlistFile(file, directory);
  48             } else if (file instanceof Picture){
  49                 layout.enlistImage((Picture) file, directory);
  50             } else if (file instanceof Video){
  51                 layout.enlistVideo((Video) file);
  52             } else if (file instanceof DirectoryFile)
  53                 layout.enlistDirectory(file, directory);
  54     }
  55
  56     public abstract String getDirectoryUrl(final AbstractFile directory,
  57                                            IndexingContext context);
  58
  59     public abstract String getParentDirectoryUrl(IndexingContext context);
  60
  61     public abstract String getThumbnailUrl(Picture picture,
  62                                            final Dimension desiredDimension, IndexingContext context);
  63
  64 }