--- /dev/null
+/*
+ * Sone - AbstractAlbum.java - Copyright © 2013 David Roden
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+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.checkNotNull;
+
+import net.pterodactylus.sone.data.Album;
+import net.pterodactylus.sone.data.Image;
+
+import com.google.common.base.Optional;
+import com.google.common.hash.Hasher;
+import com.google.common.hash.Hashing;
+
+/**
+ * Abstract {@link Album} implementation that contains only the attributes that
+ * are {@link String}s or primitives.
+ *
+ * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
+ */
+public abstract class AbstractAlbum implements Album {
+
+ protected final String id;
+ protected String title;
+ protected String description;
+ protected String albumImage;
+
+ protected AbstractAlbum(String id) {
+ this.id = checkNotNull(id, "id must not be null");
+ }
+
+ @Override
+ public String getId() {
+ return id;
+ }
+
+ @Override
+ public boolean isEmpty() {
+ return getAlbums().isEmpty() && getImages().isEmpty();
+ }
+
+ @Override
+ public boolean isRoot() {
+ return getParent() == null;
+ }
+
+ @Override
+ public String getTitle() {
+ return title;
+ }
+
+ @Override
+ public String getDescription() {
+ return description;
+ }
+
+ @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()) {
+ AbstractAlbum.this.title = title.get();
+ }
+ if (description.isPresent()) {
+ AbstractAlbum.this.description = description.get();
+ }
+ if (albumImage.isPresent()) {
+ AbstractAlbum.this.albumImage = albumImage.get();
+ }
+ return AbstractAlbum.this;
+ }
+ };
+ }
+
+ @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 : getAlbums()) {
+ hash.putString(album.getFingerprint());
+ }
+ 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();
+ }
+
+ @Override
+ public int hashCode() {
+ return id.hashCode();
+ }
+
+ @Override
+ public boolean equals(Object object) {
+ if (!(object instanceof DefaultAlbum)) {
+ return false;
+ }
+ DefaultAlbum album = (DefaultAlbum) object;
+ return id.equals(album.id);
+ }
+}
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 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 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;
-
/** Creates a new album with a random ID. */
public DefaultAlbum() {
this(UUID.randomUUID().toString());
* The ID of the album
*/
public DefaultAlbum(String id) {
- this.id = checkNotNull(id, "id must not be null");
+ super(id);
}
//
//
@Override
- public String getId() {
- return id;
- }
-
- @Override
public Sone getSone() {
return sone;
}
}
@Override
- public boolean isEmpty() {
- return albums.isEmpty() && images.isEmpty();
- }
-
- @Override
- public boolean isRoot() {
- return parent == null;
- }
-
- @Override
public Album getParent() {
return parent;
}
}
@Override
- public String getTitle() {
- return title;
- }
-
- @Override
- public String getDescription() {
- return description;
- }
-
- @Override
public ImageBuilder newImageBuilder() throws IllegalStateException {
return new DefaultImageBuilder(sone, this) {
@Override
};
}
- @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;
- }
- };
- }
-
- //
- // 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());
- }
- 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;
- }
- DefaultAlbum album = (DefaultAlbum) object;
- return id.equals(album.id);
- }
-
}
projects / Sone.git / commitdiff