X-Git-Url: https://git.pterodactylus.net/?p=Sone.git;a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fnet%2Fpterodactylus%2Fsone%2Fdata%2FProfile.java;h=4970cf9ffefd723ea22684d224571098b8caae18;hp=5a4fde041052c8c4f0a7228196eb5fba9b3698fa;hb=0e8f7804ce344bdd69f5ecc7febe25a60a53561d;hpb=e3a3dccdfcb0f7390f8bf30ec1af0f9d9fb69496

diff --git a/src/main/java/net/pterodactylus/sone/data/Profile.java b/src/main/java/net/pterodactylus/sone/data/Profile.java
index 5a4fde0..4970cf9 100644
--- a/src/main/java/net/pterodactylus/sone/data/Profile.java
+++ b/src/main/java/net/pterodactylus/sone/data/Profile.java
@@ -325,10 +325,14 @@ public class Profile implements Fingerprintable {
 	 */
 	public Field addField(String fieldName) throws IllegalArgumentException {
 		checkNotNull(fieldName, "fieldName must not be null");
-		checkArgument(fieldName.length() > 0, "fieldName must not be empty");
-		checkState(getFieldByName(fieldName) == null, "fieldName must be unique");
+		if (fieldName.length() == 0) {
+			throw new EmptyFieldName();
+		}
+		if (getFieldByName(fieldName) != null) {
+			throw new DuplicateField();
+		}
 		@SuppressWarnings("synthetic-access")
-		Field field = new Field().setName(fieldName);
+		Field field = new Field().setName(fieldName).setValue("");
 		fields.add(field);
 		return field;
 	}
@@ -553,4 +557,18 @@ public class Profile implements Fingerprintable {
 
 	}
 
+	/**
+	 * Exception that signals the addition of a field with an empty name.
+	 *
+	 * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
+	 */
+	public static class EmptyFieldName extends IllegalArgumentException { }
+
+	/**
+	 * Exception that signals the addition of a field that already exists.
+	 *
+	 * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
+	 */
+	public static class DuplicateField extends IllegalArgumentException { }
+
 }