package net.pterodactylus.sone.data.impl;
-import static com.google.common.base.Optional.absent;
-import static com.google.common.base.Optional.fromNullable;
import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.base.Preconditions.checkNotNull;
import static com.google.common.base.Preconditions.checkState;
import net.pterodactylus.sone.data.Album;
import net.pterodactylus.sone.data.Image;
import net.pterodactylus.sone.data.Sone;
+import net.pterodactylus.sone.database.AlbumBuilder;
import net.pterodactylus.sone.database.ImageBuilder;
import com.google.common.base.Function;
import com.google.common.base.Optional;
import com.google.common.base.Predicates;
import com.google.common.collect.Collections2;
-import com.google.common.hash.Hasher;
-import com.google.common.hash.Hashing;
/**
- * Container for images that can also contain nested {@link Album}s.
+ * Dumb, store-everything-in-memory implementation of an {@link Album}.
*
* @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
*/
-public class DefaultAlbum implements Album {
-
- /** The ID of this album. */
- private final String id;
+public class DefaultAlbum extends AbstractAlbum {
/** The Sone this album belongs to. */
private Sone sone;
+ /** The parent album. */
+ private final DefaultAlbum parent;
+
/** Nested albums. */
private final List<Album> albums = new ArrayList<Album>();
/** The image IDs in order. */
- private final List<String> imageIds = new ArrayList<String>();
+ final List<String> imageIds = new ArrayList<String>();
/** The images in this album. */
- private final Map<String, Image> images = new HashMap<String, Image>();
-
- /** The parent album. */
- private Album parent;
-
- /** The title of this album. */
- private String title;
-
- /** The description of this album. */
- private String description;
-
- /** The ID of the album picture. */
- private String albumImage;
+ final Map<String, Image> images = new HashMap<String, Image>();
/** Creates a new album with a random ID. */
- public DefaultAlbum() {
- this(UUID.randomUUID().toString());
+ public DefaultAlbum(Sone sone, DefaultAlbum parent) {
+ this(UUID.randomUUID().toString(), sone, parent);
}
/**
* @param id
* The ID of the album
*/
- public DefaultAlbum(String id) {
- this.id = checkNotNull(id, "id must not be null");
+ public DefaultAlbum(String id, Sone sone, DefaultAlbum parent) {
+ super(id);
+ this.sone = sone;
+ this.parent = parent;
}
//
//
@Override
- public String getId() {
- return id;
- }
-
- @Override
public Sone getSone() {
return sone;
}
@Override
- public Album setSone(Sone sone) {
- checkNotNull(sone, "sone must not be null");
- checkState((this.sone == null) || (this.sone.equals(sone)), "album owner must not already be set to some other Sone");
- this.sone = sone;
- return this;
- }
-
- @Override
public List<Album> getAlbums() {
return new ArrayList<Album>(albums);
}
@Override
- public void addAlbum(Album album) {
- checkNotNull(album, "album must not be null");
- checkArgument(album.getSone().equals(sone), "album must belong to the same Sone as this album");
- album.setParent(this);
- if (!albums.contains(album)) {
- albums.add(album);
- }
- }
-
- @Override
- public void removeAlbum(Album album) {
- checkNotNull(album, "album must not be null");
- checkArgument(album.getSone().equals(sone), "album must belong this album’s Sone");
- checkArgument(equals(album.getParent()), "album must belong to this album");
- albums.remove(album);
- album.removeParent();
- }
-
- @Override
public Album moveAlbumUp(Album album) {
checkNotNull(album, "album must not be null");
checkArgument(album.getSone().equals(sone), "album must belong to the same Sone as this album");
}
@Override
- public void removeImage(Image image) {
- checkNotNull(image, "image must not be null");
- checkNotNull(image.getSone(), "image must have an owner");
- checkArgument(image.getSone().equals(sone), "image must belong to the same Sone as this album");
- imageIds.remove(image.getId());
- images.remove(image.getId());
- if (image.getId().equals(albumImage)) {
- if (images.isEmpty()) {
- albumImage = null;
- } else {
- albumImage = images.values().iterator().next().getId();
- }
- }
- }
-
- @Override
public Image moveImageUp(Image image) {
checkNotNull(image, "image must not be null");
checkNotNull(image.getSone(), "image must have an owner");
}
@Override
- public boolean isEmpty() {
- return albums.isEmpty() && images.isEmpty();
- }
-
- @Override
- public boolean isRoot() {
- return parent == null;
- }
-
- @Override
public Album getParent() {
return parent;
}
@Override
- public Album setParent(Album parent) {
- this.parent = checkNotNull(parent, "parent must not be null");
- return this;
- }
-
- @Override
- public Album removeParent() {
- this.parent = null;
- return this;
- }
-
- @Override
- public String getTitle() {
- return title;
- }
-
- @Override
- public String getDescription() {
- return description;
+ public AlbumBuilder newAlbumBuilder() {
+ return new DefaultAlbumBuilder(sone, this) {
+ @Override
+ public Album build() throws IllegalStateException {
+ Album album = super.build();
+ albums.add(album);
+ return album;
+ }
+ };
}
@Override
public ImageBuilder newImageBuilder() throws IllegalStateException {
- return new DefaultImageBuilder(this) {
+ return new DefaultImageBuilder(sone, this) {
@Override
public Image build() throws IllegalStateException {
Image image = super.build();
}
@Override
- public Modifier modify() throws IllegalStateException {
- // TODO: reenable check for local Sones
- return new Modifier() {
- private Optional<String> title = absent();
-
- private Optional<String> description = absent();
-
- private Optional<String> albumImage = absent();
-
- @Override
- public Modifier setTitle(String title) {
- this.title = fromNullable(title);
- return this;
- }
-
- @Override
- public Modifier setDescription(String description) {
- this.description = fromNullable(description);
- return this;
- }
-
- @Override
- public Modifier setAlbumImage(String imageId) {
- this.albumImage = fromNullable(imageId);
- return this;
- }
-
- @Override
- public Album update() throws IllegalStateException {
- if (title.isPresent()) {
- DefaultAlbum.this.title = title.get();
- }
- if (description.isPresent()) {
- DefaultAlbum.this.description = description.get();
- }
- if (albumImage.isPresent()) {
- DefaultAlbum.this.albumImage = albumImage.get();
- }
- return DefaultAlbum.this;
- }
- };
+ public void remove() throws IllegalStateException {
+ checkState(!isRoot(), "can not remove root album");
+ removeAllAlbums();
+ removeAllImages();
+ parent.albums.remove(this);
}
- //
- // FINGERPRINTABLE METHODS
- //
-
- @Override
- public String getFingerprint() {
- Hasher hash = Hashing.sha256().newHasher();
- hash.putString("Album(");
- hash.putString("ID(").putString(id).putString(")");
- hash.putString("Title(").putString(title).putString(")");
- hash.putString("Description(").putString(description).putString(")");
- if (albumImage != null) {
- hash.putString("AlbumImage(").putString(albumImage).putString(")");
- }
-
- /* add nested albums. */
- hash.putString("Albums(");
- for (Album album : albums) {
- hash.putString(album.getFingerprint());
+ private void removeAllImages() {
+ for (Image image : images.values()) {
+ image.remove();
}
- hash.putString(")");
-
- /* add images. */
- hash.putString("Images(");
- for (Image image : getImages()) {
- if (image.isInserted()) {
- hash.putString(image.getFingerprint());
- }
- }
- hash.putString(")");
-
- hash.putString(")");
- return hash.hash().toString();
}
- //
- // OBJECT METHODS
- //
-
- @Override
- public int hashCode() {
- return id.hashCode();
- }
-
- @Override
- public boolean equals(Object object) {
- if (!(object instanceof DefaultAlbum)) {
- return false;
+ private void removeAllAlbums() {
+ for (Album album: albums) {
+ album.remove();
}
- DefaultAlbum album = (DefaultAlbum) object;
- return id.equals(album.id);
}
}
projects / Sone.git / blobdiff