Get Raw Class : Type « Reflection « Java

1. Java
2. Reflection
3. Type

Get Raw Class

        
/*
 * Copyright 2008-2010 the T2 Project ant the Others.
 *
 * 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.
 */
//package org.t2framework.commons.util;

import java.lang.reflect.Array;
import java.lang.reflect.GenericArrayType;
import java.lang.reflect.GenericDeclaration;
import java.lang.reflect.Method;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.lang.reflect.TypeVariable;
import java.util.Collection;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;

public class GenericsUtil {
  public static Class<?> getRawClass(final Type type) {
    if (Class.class.isInstance(type)) {
      return Class.class.cast(type);
    }
    if (ParameterizedType.class.isInstance(type)) {
      final ParameterizedType parameterizedType = ParameterizedType.class
          .cast(type);
      return getRawClass(parameterizedType.getRawType());
    } else if (GenericArrayType.class.isInstance(type)) {
      GenericArrayType genericArrayType = GenericArrayType.class
          .cast(type);
      Class<?> c = getRawClass(genericArrayType.getGenericComponentType());
      return Array.newInstance(c, 0).getClass();
    } else {
      return null;
    }
  }
}

   
    
    
    
    
    
    
    
  

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