/*******************************************************************************

  * Copyright (c) 2008 Ketan Padegaonkar and others.

  * All rights reserved. This program and the accompanying materials

  * are made available under the terms of the Eclipse Public License v1.0

  * which accompanies this distribution, and is available at

  * http://www.eclipse.org/legal/epl-v10.html

  * 

  * Contributors:

  *     Ketan Padegaonkar - initial API and implementation

  *******************************************************************************/

 package org.eclipse.swtbot.swt.finder.utils.internal;

 import java.lang.reflect.Method;

 import org.eclipse.swtbot.swt.finder.results.StringResult;

 /**

  * This is an object use to invoke a method using reflections.

  *

  * @author Ketan Padegaonkar <KetanPadegaonkar [at] gmail [dot] com>

  */

 public final class ReflectionInvoker implements StringResult {

         /**

          * The object to invoke a method on.

          */

         private final Object        w;

         /**

          * The method to invoke.

          */

         private final String        methodName;

         /**

          * Constructs this object.

          *

          * @param o the object to be invoked on.

          * @param methodName the method to invoke on the object.

          */

         public ReflectionInvoker(Object o, String methodName) {

                 w = o;

                 this.methodName = methodName;

         }

         /**

          * Runs the processing to trigger the method to be invoked.

          *

          * @see org.eclipse.swtbot.swt.finder.results.StringResult#run()

          * @return The results of the invoke.

          */

         public String run() {

                 String result = ""; //$NON-NLS-1$

                 try {

                         Method method = w.getClass().getMethod(methodName, new Class[]{});

                         Object invoke = method.invoke(w, new Object[0]);

                         if (invoke != null)

                                 result = invoke.toString();

                 } catch (Exception e) {

                         // do nothing

                 }

                 return result;

         }

 }