X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fnet%2Fpterodactylus%2Fsone%2Ffreenet%2Fwot%2FIdentity.java;h=523a42bd10180e9ff369d23d376745fbfbf1ae57;hb=ae5d96a645bd6e158d2e52dfdfaf18b65ce2ef82;hp=bc594f8c37132276643049ea742696c0e85e38ca;hpb=6e9a43ccd93ae125720547c0fe421dc81a54ba90;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 bc594f8..523a42b 100644
--- a/src/main/java/net/pterodactylus/sone/freenet/wot/Identity.java
+++ b/src/main/java/net/pterodactylus/sone/freenet/wot/Identity.java
@@ -18,9 +18,13 @@
 package net.pterodactylus.sone.freenet.wot;
 
 import java.util.Collection;
+import java.util.Collections;
 import java.util.Map;
+import java.util.Map.Entry;
 import java.util.Set;
 
+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 +34,20 @@ import java.util.Set;
  */
 public interface Identity {
 
+	public static final Function<Identity, Set<String>> TO_CONTEXTS = new Function<Identity, Set<String>>() {
+		@Override
+		public Set<String> apply(Identity identity) {
+			return (identity == null) ? Collections.<String>emptySet() : identity.getContexts();
+		}
+	};
+
+	public static final Function<Identity, Collection<Map.Entry<String, String>>> TO_PROPERTIES = new Function<Identity, Collection<Entry<String, String>>>() {
+		@Override
+		public Collection<Entry<String, String>> apply(Identity input) {
+			return (input == null) ? Collections.<Map.Entry<String, String>>emptySet() : input.getProperties().entrySet();
+		}
+	};
+
 	/**
 	 * Returns the ID of the identity.
 	 *
@@ -74,7 +92,7 @@ public interface Identity {
 	 * @param context
 	 *            The context to add
 	 */
-	public void addContext(String context);
+	public Identity addContext(String context);
 
 	/**
 	 * Sets all contexts of this identity.
@@ -90,7 +108,7 @@ public interface Identity {
 	 * @param context
 	 *            The context to remove
 	 */
-	public void removeContext(String context);
+	public Identity removeContext(String context);
 
 	/**
 	 * Returns all properties of this identity.
@@ -116,7 +134,7 @@ public interface Identity {
 	 * @param value
 	 *            The value of the property
 	 */
-	public void setProperty(String name, String value);
+	public Identity setProperty(String name, String value);
 
 	/**
 	 * Sets all properties of this identity.
@@ -132,7 +150,7 @@ public interface Identity {
 	 * @param name
 	 *            The name of the property to remove
 	 */
-	public void removeProperty(String name);
+	public Identity removeProperty(String name);
 
 	/**
 	 * Retrieves the trust that this identity receives from the given own
@@ -155,7 +173,7 @@ public interface Identity {
 	 * @param trust
 	 *            The trust given by the given own identity
 	 */
-	public void setTrust(OwnIdentity ownIdentity, Trust trust);
+	public Identity setTrust(OwnIdentity ownIdentity, Trust trust);
 
 	/**
 	 * Removes trust assignment from the given own identity for this identity.
@@ -164,6 +182,6 @@ public interface Identity {
 	 *            The own identity that removed the trust assignment for this
 	 *            identity
 	 */
-	public void removeTrust(OwnIdentity ownIdentity);
+	public Identity removeTrust(OwnIdentity ownIdentity);
 
 }