Update years in copyright line

[Sone.git] / src / main / java / net / pterodactylus / sone / freenet / wot / Identity.java

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..c6875e9 100644 (file)
--- 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 © 2010–2013 David Roden
+ * Sone - Identity.java - Copyright © 2010–2015 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 +18,12 @@
 package net.pterodactylus.sone.freenet.wot;
 
 import java.util.Collection;
+import java.util.Collections;
 import java.util.Map;
 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 +33,20 @@ 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, Map<String, String>> TO_PROPERTIES = new Function<Identity, Map<String, String>>() {
+               @Override
+               public Map<String, String> apply(Identity input) {
+                       return (input == null) ? Collections.<String, String>emptyMap() : input.getProperties();
+               }
+       };
+
        /**
         * Returns the ID of the identity.
         *
@@ -74,7 +91,7 @@ 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 +107,7 @@ 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 +133,7 @@ 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 +149,7 @@ 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 +172,7 @@ 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 +181,6 @@ public interface Identity {
         *            The own identity that removed the trust assignment for this
         *            identity
         */
-       public void removeTrust(OwnIdentity ownIdentity);
+       public Identity removeTrust(OwnIdentity ownIdentity);
 
 }