Make Image implement Fingerprintable.

[Sone.git] / src / main / java / net / pterodactylus / sone / data / Image.java

diff --git a/src/main/java/net/pterodactylus/sone/data/Image.java b/src/main/java/net/pterodactylus/sone/data/Image.java
index 0ae373a..6b7b1dd 100644 (file)
--- a/src/main/java/net/pterodactylus/sone/data/Image.java
+++ b/src/main/java/net/pterodactylus/sone/data/Image.java
@@ -19,12 +19,14 @@ package net.pterodactylus.sone.data;
 
 import java.util.UUID;
 
+import net.pterodactylus.util.validation.Validation;
+
 /**
  * Container for image metadata.
  *
  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
  */
-public class Image {
+public class Image implements Fingerprintable {
 
        /** The ID of the image. */
        private final String id;
@@ -85,6 +87,7 @@ public class Image {
         *            The height of the image
         */
        public Image(String id, Sone sone, String key, long creationTime, int width, int height) {
+               Validation.begin().isNotNull("Image ID", id).isNotNull("Image Owner", sone).isNotNull("Image Key", key).isGreater("Image Creation Time", creationTime, 0).isGreater("Image Width", width, 0).isGreater("Image Height", height, 0).check();
                this.id = id;
                this.sone = sone;
                this.key = key;
@@ -169,6 +172,7 @@ public class Image {
         * @return This image
         */
        public Image setTitle(String title) {
+               Validation.begin().isNotNull("Image Title", title).check();
                this.title = title;
                return this;
        }
@@ -190,8 +194,27 @@ public class Image {
         * @return This image
         */
        public Image setDescription(String description) {
+               Validation.begin().isNotNull("Image Description", description).check();
                this.description = description;
                return this;
        }
 
+       //
+       // FINGERPRINTABLE METHODS
+       //
+
+       /**
+        * {@inheritDoc}
+        */
+       @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();
+       }
+
 }