X-Git-Url: https://git.pterodactylus.net/?p=Sone.git;a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fnet%2Fpterodactylus%2Fsone%2Fdata%2FImageImpl.java;fp=src%2Fmain%2Fjava%2Fnet%2Fpterodactylus%2Fsone%2Fdata%2FImageImpl.java;h=447bb82654867510d5c480f6e0270009ac913157;hp=0000000000000000000000000000000000000000;hb=f4f5fb752ff9aff0235a907e170c6961576562f6;hpb=7017646bf42cb265b6df539bb6def40b91d2f968

diff --git a/src/main/java/net/pterodactylus/sone/data/ImageImpl.java b/src/main/java/net/pterodactylus/sone/data/ImageImpl.java
new file mode 100644
index 0000000..447bb82
--- /dev/null
+++ b/src/main/java/net/pterodactylus/sone/data/ImageImpl.java
@@ -0,0 +1,271 @@
+/*
+ * Sone - ImageImpl.java - Copyright © 2011–2013 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;
+
+import static com.google.common.base.Optional.absent;
+import static com.google.common.base.Optional.fromNullable;
+import static com.google.common.base.Optional.of;
+import static com.google.common.base.Preconditions.checkNotNull;
+import static com.google.common.base.Preconditions.checkState;
+
+import java.util.UUID;
+
+import com.google.common.base.Optional;
+import com.google.common.hash.Hasher;
+import com.google.common.hash.Hashing;
+
+/**
+ * Container for image metadata.
+ *
+ * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
+ */
+public class ImageImpl implements Image {
+
+	/** The ID of the image. */
+	private final String id;
+
+	/** The Sone the image belongs to. */
+	private Sone sone;
+
+	/** The album this image belongs to. */
+	private Album album;
+
+	/** The request key of the image. */
+	private String key;
+
+	/** The creation time of the image. */
+	private long creationTime;
+
+	/** The width of the image. */
+	private int width;
+
+	/** The height of the image. */
+	private int height;
+
+	/** The title of the image. */
+	private String title;
+
+	/** The description of the image. */
+	private String description;
+
+	/** Creates a new image with a random ID. */
+	public ImageImpl() {
+		this(UUID.randomUUID().toString());
+		this.creationTime = System.currentTimeMillis();
+	}
+
+	/**
+	 * Creates a new image.
+	 *
+	 * @param id
+	 * 		The ID of the image
+	 */
+	public ImageImpl(String id) {
+		this.id = checkNotNull(id, "id must not be null");
+	}
+
+	//
+	// ACCESSORS
+	//
+
+	@Override
+	public String getId() {
+		return id;
+	}
+
+	@Override
+	public Sone getSone() {
+		return sone;
+	}
+
+	@Override
+	public Album getAlbum() {
+		return album;
+	}
+
+	@Override
+	public Image setAlbum(Album album) {
+		checkNotNull(album, "album must not be null");
+		checkNotNull(album.getSone().equals(getSone()), "album must belong to the same Sone as this image");
+		this.album = album;
+		return this;
+	}
+
+	@Override
+	public String getKey() {
+		return key;
+	}
+
+	@Override
+	public boolean isInserted() {
+		return key != null;
+	}
+
+	@Override
+	public long getCreationTime() {
+		return creationTime;
+	}
+
+	@Override
+	public int getWidth() {
+		return width;
+	}
+
+	@Override
+	public int getHeight() {
+		return height;
+	}
+
+	@Override
+	public String getTitle() {
+		return title;
+	}
+
+	@Override
+	public String getDescription() {
+		return description;
+	}
+
+	public Modifier modify() throws IllegalStateException {
+		// TODO: reenable check for local images
+		return new Modifier() {
+			private Optional<Sone> sone = absent();
+
+			private Optional<Long> creationTime = absent();
+
+			private Optional<String> key = absent();
+
+			private Optional<String> title = absent();
+
+			private Optional<String> description = absent();
+
+			private Optional<Integer> width = absent();
+
+			private Optional<Integer> height = absent();
+
+			@Override
+			public Modifier setSone(Sone sone) {
+				this.sone = fromNullable(sone);
+				return this;
+			}
+
+			@Override
+			public Modifier setCreationTime(long creationTime) {
+				this.creationTime = of(creationTime);
+				return this;
+			}
+
+			@Override
+			public Modifier setKey(String key) {
+				this.key = fromNullable(key);
+				return this;
+			}
+
+			@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 setWidth(int width) {
+				this.width = of(width);
+				return this;
+			}
+
+			@Override
+			public Modifier setHeight(int height) {
+				this.height = of(height);
+				return this;
+			}
+
+			@Override
+			public Image update() throws IllegalStateException {
+				checkState(!sone.isPresent() || (ImageImpl.this.sone == null) || sone.get().equals(ImageImpl.this.sone), "can not change Sone once set");
+				checkState(!creationTime.isPresent() || ((ImageImpl.this.creationTime == 0) || (ImageImpl.this.creationTime == creationTime.get())), "can not change creation time once set");
+				checkState(!key.isPresent() || (ImageImpl.this.key == null) || key.get().equals(ImageImpl.this.key), "can not change key once set");
+				checkState(!width.isPresent() || (ImageImpl.this.width == 0) || width.get().equals(ImageImpl.this.width), "can not change width once set");
+				checkState(!height.isPresent() || (ImageImpl.this.height == 0) || height.get().equals(ImageImpl.this.height), "can not change height once set");
+
+				if (sone.isPresent()) {
+					ImageImpl.this.sone = sone.get();
+				}
+				if (creationTime.isPresent()) {
+					ImageImpl.this.creationTime = creationTime.get();
+				}
+				if (key.isPresent()) {
+					ImageImpl.this.key = key.get();
+				}
+				if (title.isPresent()) {
+					ImageImpl.this.title = title.get();
+				}
+				if (description.isPresent()) {
+					ImageImpl.this.description = description.get();
+				}
+				if (width.isPresent()) {
+					ImageImpl.this.width = width.get();
+				}
+				if (height.isPresent()) {
+					ImageImpl.this.height = height.get();
+				}
+
+				return ImageImpl.this;
+			}
+		};
+	}
+
+	//
+	// FINGERPRINTABLE METHODS
+	//
+
+	@Override
+	public String getFingerprint() {
+		Hasher hash = Hashing.sha256().newHasher();
+		hash.putString("Image(");
+		hash.putString("ID(").putString(id).putString(")");
+		hash.putString("Title(").putString(title).putString(")");
+		hash.putString("Description(").putString(description).putString(")");
+		hash.putString(")");
+		return hash.hash().toString();
+	}
+
+	//
+	// OBJECT METHODS
+	//
+
+	/** {@inheritDoc} */
+	@Override
+	public int hashCode() {
+		return id.hashCode();
+	}
+
+	/** {@inheritDoc} */
+	@Override
+	public boolean equals(Object object) {
+		if (!(object instanceof ImageImpl)) {
+			return false;
+		}
+		return ((ImageImpl) object).id.equals(id);
+	}
+
+}