/*
- * Sone - Image.java - Copyright © 2011 David Roden
+ * Sone - Image.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
package net.pterodactylus.sone.data;
+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 java.util.UUID;
-import net.pterodactylus.util.validation.Validation;
+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 Image implements Fingerprintable {
+public class Image implements Identified, Fingerprintable {
/** 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 ID of the image
*/
public Image(String id) {
- Validation.begin().isNotNull("Image ID", id).check();
- this.id = id;
+ this.id = checkNotNull(id, "id must not be null");
}
//
* @return This image
*/
public Image setSone(Sone sone) {
- Validation.begin().isNull("Current Image Owner", this.sone).isNotNull("New Image Owner", sone);
+ checkNotNull(sone, "sone must not be null");
+ checkArgument((this.sone == null) || this.sone.equals(sone), "sone must not already be set to another sone");
this.sone = sone;
return this;
}
/**
+ * Returns the album this image belongs to.
+ *
+ * @return The album this image belongs to
+ */
+ public Album getAlbum() {
+ return album;
+ }
+
+ /**
+ * Sets the album this image belongs to. The album of an image can only be
+ * set once, and it is usually called by {@link Album#addImage(Image)}.
+ *
+ * @param album
+ * The album this image belongs to
+ * @return This image
+ */
+ 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;
+ }
+
+ /**
* Returns the request key of this image.
*
* @return The request key of this image
* @return This image
*/
public Image setKey(String key) {
- Validation.begin().isNull("Current Image Key", this.key).isNotNull("New Image Key", key).check();
+ checkNotNull(key, "key must not be null");
+ checkState((this.key == null) || this.key.equals(key), "key must not be already set to another key");
this.key = key;
return this;
}
* @return This image
*/
public Image setCreationTime(long creationTime) {
- Validation.begin().isEqual("Current Image Creation Time", this.creationTime, 0).isGreater("New Image Creation Time", creationTime, 0).check();
+ checkArgument(creationTime > 0, "creationTime must be > 0");
+ checkState((this.creationTime == 0) || (this.creationTime == creationTime), "creationTime must not already be set");
this.creationTime = creationTime;
return this;
}
* @return This image
*/
public Image setWidth(int width) {
- Validation.begin().isEqual("Current Image Width", this.width, 0).isGreater("New Image Width", width, 0).check();
+ checkArgument(width > 0, "width must be > 0");
+ checkState((this.width == 0) || (this.width == width), "width must not already be set to another width");
this.width = width;
return this;
}
* @return This image
*/
public Image setHeight(int height) {
- Validation.begin().isEqual("Current Image Height", this.height, 0).isGreater("New Image Height", height, 0);
+ checkArgument(height > 0, "height must be > 0");
+ checkState((this.height == 0) || (this.height == height), "height must not already be set to another height");
this.height = height;
return this;
}
* @return This image
*/
public Image setTitle(String title) {
- Validation.begin().isNotNull("Image Title", title).check();
- this.title = title;
+ this.title = checkNotNull(title, "title must not be null");
return this;
}
* @return This image
*/
public Image setDescription(String description) {
- Validation.begin().isNotNull("Image Description", description).check();
- this.description = description;
+ this.description = checkNotNull(description, "description must not be null");
return this;
}
*/
@Override
public String getFingerprint() {
- StringBuilder fingerprint = new StringBuilder();
- fingerprint.append("Image(");
- fingerprint.append("ID(").append(id).append(')');
- fingerprint.append("Title(").append(title).append(')');
- fingerprint.append("Description(").append(description).append(')');
- fingerprint.append(')');
- return fingerprint.toString();
+ 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 Image)) {
+ return false;
+ }
+ return ((Image) object).id.equals(id);
}
}
projects / Sone.git / blobdiff