bundles/org.simantics.db.services/src/org/simantics/db/services/adaption/reflection/StaticMethodAdapter.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
   3  * in 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.db.services.adaption.reflection;\r
  13 \r
  14 import java.lang.reflect.InvocationTargetException;\r
  15 import java.lang.reflect.Method;\r
  16 \r
  17 import org.simantics.db.AsyncReadGraph;\r
  18 import org.simantics.db.exception.DatabaseException;\r
  19 import org.simantics.db.procedure.AsyncProcedure;\r
  20 \r
  21 public class StaticMethodAdapter<T> extends AbstractReflectionAdapter<T> {\r
  22 \r
  23         Method constructor;\r
  24         \r
  25         public StaticMethodAdapter(Class<? extends T> clazz, String methodName, IDynamicAdapter2 ... parameters) throws SecurityException, NoSuchMethodException, DatabaseException {\r
  26             super(parameters);      \r
  27                 Class<?>[] parameterTypes = new Class<?>[parameters.length];\r
  28                 for(int i=0;i<parameters.length;++i)\r
  29                         parameterTypes[i] = parameters[i].getType();\r
  30                 this.constructor = clazz.getMethod(methodName, parameterTypes);\r
  31         }\r
  32         \r
  33         @SuppressWarnings("unchecked")\r
  34     @Override\r
  35         public void construct(AsyncReadGraph g, AsyncProcedure<T> procedure, Object ... args) {\r
  36             try {\r
  37             procedure.execute(g, (T)constructor.invoke(null, args));\r
  38         } catch (IllegalArgumentException e) {\r
  39             procedure.exception(g, e);\r
  40             e.printStackTrace();\r
  41         } catch (IllegalAccessException e) {\r
  42             procedure.exception(g, e);\r
  43             e.printStackTrace();\r
  44         } catch (InvocationTargetException e) {\r
  45             procedure.exception(g, e.getCause());\r
  46             e.getCause().printStackTrace();\r
  47         }\r
  48         }\r
  49             \r
  50     @Override\r
  51     public String toString() {\r
  52         return "ReflectionAdapter for " + constructor.getName();\r
  53     }\r
  54 \r
  55 }\r