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LinkScheme.java
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LinkScheme.java
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package com.mgu.photoalbum.resource;
import com.google.inject.Singleton;
import javax.ws.rs.core.UriBuilder;
import java.net.URI;
@Singleton
public class LinkScheme {
private static final String GALLERY_URI_TEMPLATE = "/albums";
private static final String ALBUM_URI_TEMPLATE = "/albums/{albumId}";
private static final String PHOTO_URI_TEMPLATE = "/albums/{albumId}/{photoId}";
private static final String THUMBNAIL_URI_TEMPLATE = "/albums/{albumId}/{photoId}/thumbnail";
private static final String METADATA_URI_TEMPLATE = "/albums/{albumId}/{photoId}/metadata";
public URI toGallery() {
return UriBuilder
.fromUri(GALLERY_URI_TEMPLATE)
.build();
}
public URI toAlbum(final String albumId) {
return UriBuilder
.fromUri(ALBUM_URI_TEMPLATE)
.resolveTemplate("albumId", albumId)
.build();
}
public URI toPhoto(final String albumId, final String photoId) {
return withAlbumAndPhoto(albumId, photoId, PHOTO_URI_TEMPLATE);
}
public URI toThumbnail(final String albumId, final String photoId) {
return withAlbumAndPhoto(albumId, photoId, THUMBNAIL_URI_TEMPLATE);
}
public URI toMetadata(final String albumId, final String photoId) {
return withAlbumAndPhoto(albumId, photoId, METADATA_URI_TEMPLATE);
}
private URI withAlbumAndPhoto(final String albumId, final String photoId, final String template) {
return UriBuilder
.fromUri(template)
.resolveTemplate("albumId", albumId)
.resolveTemplate("photoId", photoId)
.build();
}
public URI toDownload(final String albumId, final String photoId) {
return UriBuilder
.fromUri(PHOTO_URI_TEMPLATE)
.resolveTemplate("albumId", albumId)
.resolveTemplate("photoId", photoId)
.queryParam("download", "true")
.build();
}
public static void main(String[] args) {
LinkScheme linkScheme = new LinkScheme();
System.out.println(linkScheme.toGallery().toString());
}
}