/*
- * Sone - Identity.java - Copyright © 2010–2012 David Roden
+ * Sone - Identity.java - Copyright © 2010–2016 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
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
*/
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.
*
* @param context
* The context to add
*/
- public void addContext(String context);
+ public Identity addContext(String context);
/**
* Sets all contexts of this identity.
* @param context
* The context to remove
*/
- public void removeContext(String context);
+ public Identity removeContext(String context);
/**
* Returns all properties of this 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.
* @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
* @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.
* The own identity that removed the trust assignment for this
* identity
*/
- public void removeTrust(OwnIdentity ownIdentity);
+ public Identity removeTrust(OwnIdentity ownIdentity);
}