package eu.svjatoslav.meviz.htmlindexer;
-import java.io.BufferedInputStream;
-import java.io.IOException;
-import java.io.ObjectInputStream;
-import java.net.MalformedURLException;
-import java.net.URL;
-
-import eu.svjatoslav.commons.network.UrlParamEncoder;
import eu.svjatoslav.meviz.htmlindexer.layouts.MixedLayout;
import eu.svjatoslav.meviz.htmlindexer.metadata.Dimension;
import eu.svjatoslav.meviz.htmlindexer.metadata.DirectoryMetadata;
import eu.svjatoslav.meviz.htmlindexer.metadata.fileTypes.AbstractFile;
import eu.svjatoslav.meviz.htmlindexer.metadata.fileTypes.Picture;
+import java.io.BufferedInputStream;
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.UnsupportedEncodingException;
+import java.net.URL;
+import java.util.List;
+
public class WebIndexer extends AbstractIndexer {
- private final String localPrefix;
- private final String globalPrefix;
+ private static final int METADATA_LOAD_TRY_COUNT = 10;
+ private final String globalPrefix;
+ private final String jspPath;
+
+ public WebIndexer(final String globalPrefix, final String jspPath) {
+ this.globalPrefix = globalPrefix;
+ this.jspPath = jspPath;
+ }
+
+ @Override
+ public void compileHtml(final Layout layout,
+ final DirectoryMetadata directory)
+ throws UnsupportedEncodingException {
+ super.compileHtml(layout, directory);
+ }
+
+ @Override
+ public String getDirectoryUrl(final AbstractFile directory,
+ final IndexingContext context) {
+ return jspPath + context.getLocalUrl() + "/" + directory.fileName;
+ }
+
+ public String getHtml(String requestPath) throws
+ IOException, ClassNotFoundException {
+
+ if (requestPath == null)
+ requestPath = "";
+
+ if (requestPath.equals("/"))
+ requestPath = "";
+
+ final MixedLayout layout = new MixedLayout();
+ final IndexingContext context = new IndexingContext(globalPrefix,
+ requestPath);
+ layout.init("Photos", context.getLocalPathComponents(), this, context);
- public WebIndexer(final String globalPrefix, final String localPrefix) {
- this.globalPrefix = globalPrefix;
- this.localPrefix = localPrefix;
- }
+ final DirectoryMetadata directory = getMetadataForPath(requestPath);
- @Override
- public String getDirectoryUrl(final AbstractFile directory) {
- return "photos.jsp?path=/" + UrlParamEncoder.encode(directory.fileName);
- }
+ compileHtml(layout, directory);
- public String getHtml(final String requestPath)
- throws MalformedURLException, IOException, ClassNotFoundException {
+ return layout.getHtml(false, false, directory);
+ }
- final MixedLayout layout = new MixedLayout();
- layout.init("Photos", new String[] {}, this, localPrefix + requestPath);
+ private DirectoryMetadata getMetadataForPath(final String requestPath)
+ throws ClassNotFoundException, IOException {
- final DirectoryMetadata metadata = getMetadataForPath(requestPath);
+ final String urlString = globalPrefix + Utils.urlEncode(requestPath) + "/.thumbnails/metadata_6.dat";
- compileHtml(layout, metadata);
+ for (int i = 0; true; i++)
+ try {
+ return attemptDirectoryMetadataDownload(urlString);
+ } catch (final IOException e) {
+ if (i > METADATA_LOAD_TRY_COUNT) throw e;
+ }
+ }
- return layout.getHtml();
- }
+ private DirectoryMetadata attemptDirectoryMetadataDownload(String urlString) throws IOException, ClassNotFoundException {
+ final BufferedInputStream inputStream = new BufferedInputStream(new URL(
+ urlString).openStream());
- public DirectoryMetadata getMetadataForPath(final String requestPath)
- throws IOException, MalformedURLException, ClassNotFoundException {
+ final ObjectInputStream objectInputStream = new ObjectInputStream(inputStream);
+ final DirectoryMetadata directory = (DirectoryMetadata) objectInputStream
+ .readObject();
+ inputStream.close();
- final StringBuffer urlStringBuffer = new StringBuffer();
+ return directory;
+ }
- urlStringBuffer.append(globalPrefix);
- urlStringBuffer.append(UrlParamEncoder.encode(localPrefix));
- urlStringBuffer.append(UrlParamEncoder.encode(requestPath));
- if (!requestPath.equals("/"))
- urlStringBuffer.append("/");
- urlStringBuffer.append(".thumbnails/metadata_6.dat");
+ @Override
+ public String getParentDirectoryUrl(final IndexingContext context) {
+ final StringBuilder result = new StringBuilder();
- final String urlString = urlStringBuffer.toString();
+ result.append(jspPath);
- final BufferedInputStream in = new BufferedInputStream(new URL(
- urlString).openStream());
+ final List<String> components = context.getLocalPathComponents();
- final ObjectInputStream oin = new ObjectInputStream(in);
- final DirectoryMetadata directory = (DirectoryMetadata) oin
- .readObject();
- in.close();
+ for (final String pathComponent : components.subList(0,
+ components.size() - 1)) {
+ result.append("/");
+ result.append(pathComponent);
+ }
- return directory;
- }
+ return result.toString();
+ }
- @Override
- public String getThumbnailPath(final Picture picture,
- final Dimension desiredDimension) {
+ @Override
+ public String getThumbnailUrl(final Picture picture,
+ final Dimension desiredDimension, final IndexingContext context) {
- // in case thumbnail size was equal to original, then return original
- // file path
- if (picture.getDimensions().equals(desiredDimension))
- return localPrefix + picture.fileName;
+ // in case thumbnail size was equal to original, then return original
+ // file path
+ if (picture.getDimensions().equals(desiredDimension))
+ return context.getGlobalUrl() + context.getLocalUrl() + "/"
+ + picture.fileName;
- final String thumbnailFileName = picture
- .getRelativeThumbnailFileName(desiredDimension);
+ final String thumbnailFileName = picture
+ .getRelativeThumbnailFileName(desiredDimension);
- return localPrefix + "/" + Constants.THUMBNAILS_DIRECTORY_NAME + "/"
- + thumbnailFileName;
- }
+ return context.getGlobalUrl() + context.getLocalUrl() + "/"
+ + Constants.THUMBNAILS_DIRECTORY_NAME + "/"
+ + Utils.urlEncode(thumbnailFileName);
+ }
}
projects / meviz.git / blobdiff