*
* @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
*/
-public class Album {
+public class Album implements Fingerprintable {
/** The ID of this album. */
private final String id;
/** The images in this album. */
private final List<Image> images = new ArrayList<Image>();
+ /** The parent album. */
+ private Album parent;
+
/** The name of this album. */
private String name;
* The album to add
*/
public void addAlbum(Album album) {
- Validation.begin().isNotNull("Album", album).check().isEqual("Album Owner", album.sone, sone).check();
+ Validation.begin().isNotNull("Album", album).check().isEqual("Album Owner", album.sone, sone).isNull("Album Parent", album.parent).check();
albums.add(album);
+ album.setParent(this);
}
/**
* The album to remove
*/
public void removeAlbum(Album album) {
- Validation.begin().isNotNull("Album", album).check().isEqual("Album Owner", album.sone, sone).check();
+ Validation.begin().isNotNull("Album", album).check().isEqual("Album Owner", album.sone, sone).isEqual("Album Parent", album.parent, this).check();
albums.remove(album);
+ album.removeParent();
}
/**
}
/**
+ * Adds the given image to this album.
+ *
+ * @param image
+ * The image to add
+ */
+ public void addImage(Image image) {
+ Validation.begin().isNotNull("Image", image).check().isEqual("Image Owner", image.getSone(), sone).check();
+ images.add(image);
+ }
+
+ /**
+ * Removes the given image from this album.
+ *
+ * @param image
+ * The image to remove
+ */
+ public void removeImage(Image image) {
+ Validation.begin().isNotNull("Image", image).check().isEqual("Image Owner", image.getSone(), sone).check();
+ images.remove(image);
+ }
+
+ /**
+ * Returns the parent album of this album.
+ *
+ * @return The parent album of this album, or {@code null} if this album
+ * does not have a parent
+ */
+ public Album getParent() {
+ return parent;
+ }
+
+ /**
+ * Sets the parent album of this album.
+ *
+ * @param parent
+ * The new parent album of this album
+ * @return This album
+ */
+ protected Album setParent(Album parent) {
+ Validation.begin().isNotNull("Album Parent", parent).check();
+ this.parent = parent;
+ return this;
+ }
+
+ /**
+ * Removes the parent album of this album.
+ *
+ * @return This album
+ */
+ protected Album removeParent() {
+ Validation.begin().isNotNull("Album Parent", parent).check();
+ this.parent = null;
+ return this;
+ }
+
+ /**
* Returns the name of this album.
*
* @return The name of this album
}
//
+ // FINGERPRINTABLE METHODS
+ //
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public String getFingerprint() {
+ StringBuilder fingerprint = new StringBuilder();
+ fingerprint.append("Album(");
+ fingerprint.append("ID(").append(id).append(')');
+ fingerprint.append("Name(").append(name).append(')');
+ fingerprint.append("Description(").append(description).append(')');
+
+ /* add nested albums. */
+ fingerprint.append("Albums(");
+ for (Album album : albums) {
+ fingerprint.append(album.getFingerprint());
+ }
+ fingerprint.append(')');
+
+ /* add images. */
+ fingerprint.append("Images(");
+ for (Image image : images) {
+ fingerprint.append(image.getFingerprint());
+ }
+ fingerprint.append(')');
+
+ fingerprint.append(')');
+ return fingerprint.toString();
+ }
+
+ //
// OBJECT METHODS
//