1 package eu.svjatoslav.meviz.htmlindexer;
3 import java.io.BufferedInputStream;
4 import java.io.IOException;
5 import java.io.ObjectInputStream;
6 import java.io.UnsupportedEncodingException;
7 import java.net.MalformedURLException;
9 import java.net.URLEncoder;
10 import java.util.List;
12 import eu.svjatoslav.meviz.htmlindexer.layouts.MixedLayout;
13 import eu.svjatoslav.meviz.htmlindexer.metadata.Dimension;
14 import eu.svjatoslav.meviz.htmlindexer.metadata.DirectoryMetadata;
15 import eu.svjatoslav.meviz.htmlindexer.metadata.fileTypes.AbstractFile;
16 import eu.svjatoslav.meviz.htmlindexer.metadata.fileTypes.Picture;
18 public class WebIndexer extends AbstractIndexer {
20 private static final int METADATA_LOAD_TRY_COUNT = 10;
21 private final String globalPrefix;
22 private final String jspPath;
24 public WebIndexer(final String globalPrefix, final String jspPath) {
25 this.globalPrefix = globalPrefix;
26 this.jspPath = jspPath;
30 public void compileHtml(final Layout layout,
31 final DirectoryMetadata directory)
32 throws UnsupportedEncodingException {
33 super.compileHtml(layout, directory);
37 public String getDirectoryUrl(final AbstractFile directory,
38 final IndexingContext context) {
41 return jspPath + context.getLocalUrl() + "/"
42 + URLEncoder.encode(directory.fileName, "UTF-8");
43 } catch (final UnsupportedEncodingException e) {
44 throw new RuntimeException(e);
48 public String getHtml(String requestPath) throws MalformedURLException,
49 IOException, ClassNotFoundException {
51 if (requestPath == null)
54 if (requestPath.equals("/"))
57 final MixedLayout layout = new MixedLayout();
58 final IndexingContext context = new IndexingContext(globalPrefix,
60 layout.init("Photos", context.getLocalPathComponents(), this, context);
62 final DirectoryMetadata directory = getMetadataForPath(requestPath);
64 compileHtml(layout, directory);
66 return layout.getHtml(false, false, directory);
69 public DirectoryMetadata getMetadataForPath(final String requestPath)
70 throws ClassNotFoundException, IOException {
72 final StringBuffer urlStringBuffer = new StringBuffer();
74 urlStringBuffer.append(globalPrefix);
75 urlStringBuffer.append(Utils.urlEncode(requestPath));
76 urlStringBuffer.append("/.thumbnails/metadata_6.dat");
78 final String urlString = urlStringBuffer.toString();
80 IOException exception = null;
82 for (int i = 0; i < METADATA_LOAD_TRY_COUNT; i++)
85 final BufferedInputStream in = new BufferedInputStream(new URL(
86 urlString).openStream());
88 final ObjectInputStream oin = new ObjectInputStream(in);
89 final DirectoryMetadata directory = (DirectoryMetadata) oin
94 } catch (final IOException e) {
102 public String getParentDirectoryUrl(final IndexingContext context) {
103 final StringBuffer result = new StringBuffer();
105 result.append(jspPath);
107 final List<String> components = context.getLocalPathComponents();
109 for (final String pathComponent : components.subList(0,
110 components.size() - 1)) {
112 result.append(pathComponent);
115 return result.toString();
119 public String getThumbnailUrl(final Picture picture,
120 final Dimension desiredDimension, final IndexingContext context) {
122 // in case thumbnail size was equal to original, then return original
124 if (picture.getDimensions().equals(desiredDimension))
125 return context.getGlobalUrl() + context.getLocalUrl() + "/"
128 final String thumbnailFileName = picture
129 .getRelativeThumbnailFileName(desiredDimension);
131 return context.getGlobalUrl() + context.getLocalUrl() + "/"
132 + Constants.THUMBNAILS_DIRECTORY_NAME + "/"
133 + Utils.urlEncode(thumbnailFileName);