Remove exception from Identity interface, let null signal an error.

diff --git a/src/main/java/net/pterodactylus/sone/core/Core.java b/src/main/java/net/pterodactylus/sone/core/Core.java
index 763b024..053e042 100644 (file)
--- a/src/main/java/net/pterodactylus/sone/core/Core.java
+++ b/src/main/java/net/pterodactylus/sone/core/Core.java
@@ -899,8 +899,10 @@ public class Core implements IdentityListener {
        }
 
        /**
-        * Retrieves the trust relationship from the origin to the target.
+        * Retrieves the trust relationship from the origin to the target. If the
+        * trust relationship can not be retrieved, {@code null} is returned.
         *
+        * @see Identity#getTrust(OwnIdentity)
         * @param origin
         *            The origin of the trust tree
         * @param target
@@ -912,12 +914,7 @@ public class Core implements IdentityListener {
                        logger.log(Level.WARNING, "Tried to get trust from remote Sone: %s", origin);
                        return null;
                }
-               try {
-                       return target.getIdentity().getTrust((OwnIdentity) origin.getIdentity());
-               } catch (WebOfTrustException wote1) {
-                       logger.log(Level.WARNING, "Could not get trust for Sone: " + target, wote1);
-                       return null;
-               }
+               return target.getIdentity().getTrust((OwnIdentity) origin.getIdentity());
        }
 
        /**

diff --git a/src/main/java/net/pterodactylus/sone/freenet/wot/DefaultIdentity.java b/src/main/java/net/pterodactylus/sone/freenet/wot/DefaultIdentity.java
index f00fa4e..3f4e66a 100644 (file)
--- a/src/main/java/net/pterodactylus/sone/freenet/wot/DefaultIdentity.java
+++ b/src/main/java/net/pterodactylus/sone/freenet/wot/DefaultIdentity.java
@@ -22,6 +22,8 @@ import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Map;
 import java.util.Set;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 
 import net.pterodactylus.sone.freenet.plugin.PluginException;
 import net.pterodactylus.util.cache.CacheException;
@@ -31,6 +33,7 @@ import net.pterodactylus.util.cache.MemoryCache;
 import net.pterodactylus.util.cache.ValueRetriever;
 import net.pterodactylus.util.cache.WritableCache;
 import net.pterodactylus.util.collection.TimedMap;
+import net.pterodactylus.util.logging.Logging;
 
 /**
  * A Web of Trust identity.
@@ -39,6 +42,9 @@ import net.pterodactylus.util.collection.TimedMap;
  */
 public class DefaultIdentity implements Identity {
 
+       /** The logger. */
+       private static final Logger logger = Logging.getLogger(DefaultIdentity.class);
+
        /** The web of trust connector. */
        private final WebOfTrustConnector webOfTrustConnector;
 
@@ -241,11 +247,12 @@ public class DefaultIdentity implements Identity {
         * {@inheritDoc}
         */
        @Override
-       public Trust getTrust(OwnIdentity ownIdentity) throws WebOfTrustException {
+       public Trust getTrust(OwnIdentity ownIdentity) {
                try {
                        return trustCache.get(ownIdentity);
                } catch (CacheException ce1) {
-                       throw new WebOfTrustException("Could not get trust for OwnIdentity: " + ownIdentity, ce1);
+                       logger.log(Level.WARNING, "Could not get trust for OwnIdentity: " + ownIdentity, ce1);
+                       return null;
                }
        }
 

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 6364b6f..1cf1644 100644 (file)
--- a/src/main/java/net/pterodactylus/sone/freenet/wot/Identity.java
+++ b/src/main/java/net/pterodactylus/sone/freenet/wot/Identity.java
@@ -85,14 +85,15 @@ public interface Identity {
 
        /**
         * Retrieves the trust that this identity receives from the given own
-        * identity.
+        * identity. If this identity is not in the own identity’s trust tree, a
+        * {@link Trust} is returned that has all its elements set to {@code null}.
+        * If the trust can not be retrieved, {@code null} is returned.
         *
         * @param ownIdentity
         *            The own identity to get the trust for
-        * @return The trust assigned to this identity
-        * @throws WebOfTrustException
-        *             if an error occurs retrieving the trust
+        * @return The trust assigned to this identity, or {@code null} if the trust
+        *         could not be retrieved
         */
-       public Trust getTrust(OwnIdentity ownIdentity) throws WebOfTrustException;
+       public Trust getTrust(OwnIdentity ownIdentity);
 
 }

diff --git a/src/main/java/net/pterodactylus/sone/template/SoneAccessor.java b/src/main/java/net/pterodactylus/sone/template/SoneAccessor.java
index c4eac6c..0cb92ff 100644 (file)
--- a/src/main/java/net/pterodactylus/sone/template/SoneAccessor.java
+++ b/src/main/java/net/pterodactylus/sone/template/SoneAccessor.java
@@ -21,6 +21,7 @@ import net.pterodactylus.sone.core.Core;
 import net.pterodactylus.sone.core.Core.SoneStatus;
 import net.pterodactylus.sone.data.Profile;
 import net.pterodactylus.sone.data.Sone;
+import net.pterodactylus.sone.freenet.wot.Trust;
 import net.pterodactylus.util.template.Accessor;
 import net.pterodactylus.util.template.DataProvider;
 import net.pterodactylus.util.template.ReflectionAccessor;
@@ -91,7 +92,10 @@ public class SoneAccessor extends ReflectionAccessor {
                        return core.isLocked(sone);
                } else if (member.equals("trust")) {
                        Sone currentSone = (Sone) dataProvider.getData("currentSone");
-                       return core.getTrust(currentSone, sone);
+                       Trust trust = core.getTrust(currentSone, sone);
+                       if (trust == null) {
+                               return new Trust(null, null, null);
+                       }
                }
                return super.get(dataProvider, object, member);
        }