Is Type Compatible : Class « Reflection « Java Tutorial

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//
//$Id: IntrospectionUtil.java 1540 2007-01-19 12:24:10Z janb $
//Copyright 2006 Mort Bay Consulting Pty. Ltd.
//------------------------------------------------------------------------
//Licensed under the Apache License, Version 2.0 (the "License");
//you may not use this file except in compliance with the License.
//You may obtain a copy of the License at 
//http://www.apache.org/licenses/LICENSE-2.0
//Unless required by applicable law or agreed to in writing, software
//distributed under the License is distributed on an "AS IS" BASIS,
//WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//See the License for the specific language governing permissions and
//limitations under the License.
//



import java.lang.reflect.Method;
import java.util.Arrays;
import java.util.List;

public class Utils {

  public static boolean isTypeCompatible(Class formalType, Class actualType, boolean strict) {
    if (formalType == null && actualType != null)
      return false;
    if (formalType != null && actualType == null)
      return false;
    if (formalType == null && actualType == null)
      return true;

    if (strict)
      return formalType.equals(actualType);
    else
      return formalType.isAssignableFrom(actualType);
  }

}