X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fnet%2Fpterodactylus%2Fxdcc%2Fdata%2FPack.java;h=c41694fc952be7ea3dd2f601b589fceca633c933;hb=db7e9612fa189cee9f4b9086e00d87c4d6c58bbf;hp=1ec5a093a9290d326dff41ec1d04e945b3e98bce;hpb=6721687a11d53eeda4bfeea4ada2f5caffbcad7e;p=xudocci.git

diff --git a/src/main/java/net/pterodactylus/xdcc/data/Pack.java b/src/main/java/net/pterodactylus/xdcc/data/Pack.java
index 1ec5a09..c41694f 100644
--- a/src/main/java/net/pterodactylus/xdcc/data/Pack.java
+++ b/src/main/java/net/pterodactylus/xdcc/data/Pack.java
@@ -17,6 +17,8 @@
 
 package net.pterodactylus.xdcc.data;
 
+import static com.google.common.base.Preconditions.checkNotNull;
+
 /**
  * A pack is a downloadable file offered by a {@link Bot}.
  *
@@ -44,9 +46,9 @@ public class Pack {
 	 * 		The name of the pack
 	 */
 	public Pack(String id, String size, String name) {
-		this.id = id;
-		this.size = size;
-		this.name = name;
+		this.id = checkNotNull(id, "id must not be null");
+		this.size = checkNotNull(size, "size must not be null");
+		this.name = checkNotNull(name, "name must not be null");
 	}
 
 	//
@@ -83,4 +85,22 @@ public class Pack {
 		return name;
 	}
 
+	//
+	// OBJECT METHODS
+	//
+
+	@Override
+	public boolean equals(Object object) {
+		if (!(object instanceof Pack)) {
+			return false;
+		}
+		Pack pack = (Pack) object;
+		return id().equals(pack.id()) && name().equals(pack.name());
+	}
+
+	@Override
+	public int hashCode() {
+		return id().hashCode() ^ name().hashCode();
+	}
+
 }