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