Changed the root package from net.sf.briar to org.briarproject.

briar-android/src/org/briarproject/android/ReferenceManagerImpl.java

@@ -0,0 +1,61 @@
+package org.briarproject.android;
+
+import static java.util.logging.Level.INFO;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.logging.Logger;
+
+import org.briarproject.api.android.ReferenceManager;
+
+class ReferenceManagerImpl implements ReferenceManager {
+
+	private static final Logger LOG =
+			Logger.getLogger(ReferenceManagerImpl.class.getName());
+
+	// Locking: this
+	private final Map<Class<?>, Map<Long, Object>> outerMap =
+			new HashMap<Class<?>, Map<Long, Object>>();
+
+	private long nextHandle = 0; // Locking: this
+
+	public synchronized <T> T getReference(long handle, Class<T> c) {
+		Map<Long, Object> innerMap = outerMap.get(c);
+		if(innerMap == null) {
+			if(LOG.isLoggable(INFO))
+				LOG.info("0 handles for " + c.getName());
+			return null;
+		}
+		if(LOG.isLoggable(INFO))
+			LOG.info(innerMap.size() + " handles for " + c.getName());
+		Object o = innerMap.get(handle);
+		return c.cast(o);
+	}
+
+	public synchronized <T> long putReference(T reference, Class<T> c) {
+		Map<Long, Object> innerMap = outerMap.get(c);
+		if(innerMap == null) {
+			innerMap = new HashMap<Long, Object>();
+			outerMap.put(c, innerMap);
+		}
+		long handle = nextHandle++;
+		innerMap.put(handle, reference);
+		if(LOG.isLoggable(INFO)) {
+			LOG.info(innerMap.size() + " handles for " + c.getName() +
+					" after put");
+		}
+		return handle;
+	}
+
+	public synchronized <T> T removeReference(long handle, Class<T> c) {
+		Map<Long, Object> innerMap = outerMap.get(c);
+		if(innerMap == null) return null;
+		Object o = innerMap.remove(handle);
+		if(innerMap.isEmpty()) outerMap.remove(c);
+		if(LOG.isLoggable(INFO)) {
+			LOG.info(innerMap.size() + " handles for " + c.getName() +
+					" after remove");
+		}
+		return c.cast(o);
+	}
+}