org.simantics.g3d/src/org/simantics/g3d/property/PropertyTabUtil.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2012, 2013 Association for Decentralized Information Management in\r
   3  * Industry THTH ry.\r
   4  * All rights reserved. This program and the accompanying materials\r
   5  * are made available under the terms of the Eclipse Public License v1.0\r
   6  * which accompanies this distribution, and is available at\r
   7  * http://www.eclipse.org/legal/epl-v10.html\r
   8  *\r
   9  * Contributors:\r
  10  *     VTT Technical Research Centre of Finland - initial API and implementation\r
  11  *******************************************************************************/\r
  12 package org.simantics.g3d.property;\r
  13 \r
  14 import java.util.Collections;\r
  15 import java.util.List;\r
  16 \r
  17 import org.simantics.g3d.property.annotations.PropertyContributor;\r
  18 \r
  19 public class PropertyTabUtil {\r
  20         \r
  21         \r
  22         @SuppressWarnings("unchecked")\r
  23         public static List<PropertyTabContributor> getContributors(Object input) {\r
  24                 PropertyTabContributorFactory factory = resolveFactory(input.getClass());\r
  25                 if (factory == null)\r
  26                         return Collections.EMPTY_LIST;\r
  27                 return factory.getContributors(input);\r
  28         }\r
  29         \r
  30         private static PropertyTabContributorFactory resolveFactory(Class<?> clazz) {\r
  31                 PropertyContributor contributor = clazz.getAnnotation(PropertyContributor.class);\r
  32                 if (contributor != null)\r
  33                         try {\r
  34                                 return contributor.value().newInstance();\r
  35                         } catch (InstantiationException e) {\r
  36                                 e.printStackTrace();\r
  37                         } catch (IllegalAccessException e) {\r
  38                                 e.printStackTrace();\r
  39                         }\r
  40                 Class<?> superClass = clazz.getSuperclass();\r
  41                 if (superClass != null)\r
  42                         return resolveFactory(superClass);\r
  43                 return null;\r
  44         }\r
  45 \r
  46 }\r