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

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management
   3  * in Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.db.services.adaption.reflection;
  13
  14 import java.lang.reflect.InvocationTargetException;
  15 import java.lang.reflect.Method;
  16
  17 import org.simantics.db.AsyncReadGraph;
  18 import org.simantics.db.exception.DatabaseException;
  19 import org.simantics.db.procedure.AsyncProcedure;
  20
  21 public class StaticMethodAdapter<T> extends AbstractReflectionAdapter<T> {
  22
  23         Method constructor;
  24
  25         public StaticMethodAdapter(Class<? extends T> clazz, String methodName, IDynamicAdapter2 ... parameters) throws SecurityException, NoSuchMethodException, DatabaseException {
  26             super(parameters);
  27                 Class<?>[] parameterTypes = new Class<?>[parameters.length];
  28                 for(int i=0;i<parameters.length;++i)
  29                         parameterTypes[i] = parameters[i].getType();
  30                 this.constructor = clazz.getMethod(methodName, parameterTypes);
  31         }
  32
  33         @SuppressWarnings("unchecked")
  34     @Override
  35         public void construct(AsyncReadGraph g, AsyncProcedure<T> procedure, Object ... args) {
  36             try {
  37             procedure.execute(g, (T)constructor.invoke(null, args));
  38         } catch (IllegalArgumentException e) {
  39             procedure.exception(g, e);
  40             e.printStackTrace();
  41         } catch (IllegalAccessException e) {
  42             procedure.exception(g, e);
  43             e.printStackTrace();
  44         } catch (InvocationTargetException e) {
  45             procedure.exception(g, e.getCause());
  46             e.getCause().printStackTrace();
  47         }
  48         }
  49
  50     @Override
  51     public String toString() {
  52         return "ReflectionAdapter for " + constructor.getName();
  53     }
  54
  55 }