X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fnet%2Fpterodactylus%2Fsone%2Ffreenet%2Fwot%2FIdentity.java;h=4554f40f828661a26ea744318cf8c5e0f5cc12ff;hb=4c4b77eff97fd247c6b1c8bbb30aeb6ea3d2c172;hp=2849da91fb3bf6bc8a6a4dbbfc86a620811e5c98;hpb=17ed3b897e37c8b16c559b79bfe97d32a7605bfb;p=Sone.git

diff --git a/src/main/java/net/pterodactylus/sone/freenet/wot/Identity.java b/src/main/java/net/pterodactylus/sone/freenet/wot/Identity.java
index 2849da9..4554f40 100644
--- a/src/main/java/net/pterodactylus/sone/freenet/wot/Identity.java
+++ b/src/main/java/net/pterodactylus/sone/freenet/wot/Identity.java
@@ -1,5 +1,5 @@
 /*
- * Sone - Identity.java - Copyright © 2010–2012 David Roden
+ * Sone - Identity.java - Copyright © 2010–2013 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
@@ -18,9 +18,14 @@
 package net.pterodactylus.sone.freenet.wot;
 
 import java.util.Collection;
+import java.util.Collections;
 import java.util.Map;
 import java.util.Set;
 
+import javax.annotation.Nullable;
+
+import com.google.common.base.Function;
+
 /**
  * Interface for web of trust identities, defining all functions that can be
  * performed on an identity. An identity is only a container for identity data
@@ -30,6 +35,20 @@ import java.util.Set;
  */
 public interface Identity {
 
+	final Function<Identity, Collection<String>> TO_CONTEXTS = new Function<Identity, Collection<String>>() {
+		@Override
+		public Collection<String> apply(@Nullable Identity identity) {
+			return (identity == null) ? Collections.<String>emptyList() : identity.getContexts();
+		}
+	};
+
+	final Function<Identity, Map<String, String>> TO_PROPERTIES = new Function<Identity, Map<String, String>>() {
+		@Override
+		public Map<String, String> apply(@Nullable Identity identity) {
+			return (identity == null) ? Collections.<String, String>emptyMap() : identity.getProperties();
+		}
+	};
+
 	/**
 	 * Returns the ID of the identity.
 	 *