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 import java.util.List;
   9
  10 import eu.svjatoslav.commons.network.UrlParamEncoder;
  11 import eu.svjatoslav.meviz.htmlindexer.layouts.MixedLayout;
  12 import eu.svjatoslav.meviz.htmlindexer.metadata.Dimension;
  13 import eu.svjatoslav.meviz.htmlindexer.metadata.DirectoryMetadata;
  14 import eu.svjatoslav.meviz.htmlindexer.metadata.fileTypes.AbstractFile;
  15 import eu.svjatoslav.meviz.htmlindexer.metadata.fileTypes.Picture;
  16
  17 public class WebIndexer extends AbstractIndexer {
  18
  19         private final String globalPrefix;
  20         private final String jspPath;
  21
  22         public WebIndexer(final String globalPrefix, final String jspPath) {
  23                 this.globalPrefix = globalPrefix;
  24                 this.jspPath = jspPath;
  25         }
  26
  27         @Override
  28         public String getDirectoryUrl(final AbstractFile directory,
  29                         final IndexingContext context) {
  30                 return jspPath + context.getLocalUrl() + "/"
  31                                 + UrlParamEncoder.encode(directory.fileName);
  32         }
  33
  34         public String getHtml(String requestPath) throws MalformedURLException,
  35                         IOException, ClassNotFoundException {
  36
  37                 if (requestPath.equals("/"))
  38                         requestPath = "";
  39
  40                 final MixedLayout layout = new MixedLayout();
  41                 final IndexingContext context = new IndexingContext(globalPrefix,
  42                                 requestPath);
  43                 layout.init("Photos", context.getLocalPathComponents(), this, context);
  44
  45                 final DirectoryMetadata metadata = getMetadataForPath(requestPath);
  46
  47                 compileHtml(layout, metadata);
  48
  49                 return layout.getHtml(false, false);
  50         }
  51
  52         public DirectoryMetadata getMetadataForPath(final String requestPath)
  53                         throws IOException, MalformedURLException, ClassNotFoundException {
  54
  55                 final StringBuffer urlStringBuffer = new StringBuffer();
  56
  57                 urlStringBuffer.append(globalPrefix);
  58                 urlStringBuffer.append(UrlParamEncoder.encode(requestPath));
  59                 urlStringBuffer.append("/.thumbnails/metadata_6.dat");
  60
  61                 final String urlString = urlStringBuffer.toString();
  62
  63                 final BufferedInputStream in = new BufferedInputStream(new URL(
  64                                 urlString).openStream());
  65
  66                 final ObjectInputStream oin = new ObjectInputStream(in);
  67                 final DirectoryMetadata directory = (DirectoryMetadata) oin
  68                                 .readObject();
  69                 in.close();
  70
  71                 return directory;
  72         }
  73
  74         @Override
  75         public String getParentDirectoryUrl(final IndexingContext context) {
  76                 final StringBuffer result = new StringBuffer();
  77
  78                 result.append(jspPath);
  79
  80                 final List<String> components = context.getLocalPathComponents();
  81
  82                 for (final String pathComponent : components.subList(0,
  83                                 components.size() - 1)) {
  84                         result.append("/");
  85                         result.append(pathComponent);
  86                 }
  87
  88                 return result.toString();
  89         }
  90
  91         @Override
  92         public String getThumbnailUrl(final Picture picture,
  93                         final Dimension desiredDimension, final IndexingContext context) {
  94
  95                 // in case thumbnail size was equal to original, then return original
  96                 // file path
  97                 if (picture.getDimensions().equals(desiredDimension))
  98                         return context.getGlobalUrl() + context.getLocalUrl() + "/"
  99                                         + picture.fileName;
 100
 101                 final String thumbnailFileName = picture
 102                                 .getRelativeThumbnailFileName(desiredDimension);
 103
 104                 return context.getGlobalUrl() + context.getLocalUrl() + "/"
 105                                 + Constants.THUMBNAILS_DIRECTORY_NAME + "/"
 106                                 + UrlParamEncoder.encode(thumbnailFileName);
 107         }
 108
 109 }