runtime/org.argeo.slc.core/src/main/java/org/argeo/slc/core/execution/tasks/MethodCall.java

   1 /*
   2  * Copyright (C) 2007-2012 Argeo GmbH
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *         http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package org.argeo.slc.core.execution.tasks;
  17
  18 import java.lang.reflect.Method;
  19 import java.util.ArrayList;
  20 import java.util.List;
  21
  22 import org.springframework.util.Assert;
  23 import org.springframework.util.ReflectionUtils;
  24
  25 public class MethodCall implements Runnable {
  26         private Object target;
  27         private String method;
  28         private List<Object> args = new ArrayList<Object>();
  29
  30         public void run() {
  31                 Assert.notNull(target, "target");
  32                 Assert.notNull(method, "method");
  33                 Method methodRef = ReflectionUtils
  34                                 .findMethod(target.getClass(), method);
  35                 if (args.size() == 0)
  36                         ReflectionUtils.invokeMethod(methodRef, target);
  37                 else
  38                         ReflectionUtils.invokeMethod(methodRef, methodRef, args.toArray());
  39         }
  40
  41         public void setTarget(Object target) {
  42                 this.target = target;
  43         }
  44
  45         public void setMethod(String method) {
  46                 this.method = method;
  47         }
  48
  49         public void setArgs(List<Object> args) {
  50                 this.args = args;
  51         }
  52
  53 }