+/*******************************************************************************\r
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
+ * in Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ * VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.db.services.adaption.reflection;\r
+\r
+import java.util.ArrayList;\r
+import java.util.Collection;\r
+\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.exception.AdaptionException;\r
+import org.simantics.db.exception.DatabaseException;\r
+\r
+public class AdaptingDynamicAdapter2 implements IDynamicAdapter2 {\r
+\r
+ IDynamicAdapter2 adapter;\r
+ Class<?> targetType;\r
+\r
+ public AdaptingDynamicAdapter2(IDynamicAdapter2 adapter, Class<?> targetType) {\r
+ this.adapter = adapter;\r
+ this.targetType = targetType;\r
+ }\r
+\r
+ @Override\r
+ public Object adapt(ReadGraph g, Resource r) throws DatabaseException {\r
+ Object obj = adapter.adapt(g, r);\r
+ if(obj == null)\r
+ return null;\r
+ if(obj instanceof Resource)\r
+ return g.adapt((Resource)obj, targetType);\r
+ if(obj instanceof Collection<?>) {\r
+ Collection<?> c = (Collection<?>)obj;\r
+ Collection<Object> ret = new ArrayList<Object>(c.size());\r
+ for(Object o : c)\r
+ ret.add(g.adapt((Resource)o, targetType));\r
+ return ret;\r
+ }\r
+ throw new AdaptionException("Invalid type.");\r
+ }\r
+\r
+ @Override\r
+ public Class<?> getType() throws DatabaseException {\r
+ if(adapter.getType().equals(Resource.class))\r
+ return targetType;\r
+ else if(adapter.getType().equals(Collection.class))\r
+ return Collection.class;\r
+ else\r
+ throw new AdaptionException("Invalid type.");\r
+ }\r
+\r
+}\r