Source Code : Checks whether the specified class contains a field matching the specified name.

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Checks whether the specified class contains a field matching the specified name.

      
// $Id: ReflectionHelper.java 16271 2009-04-07 20:20:12Z hardy.ferentschik $
/*
* JBoss, Home of Professional Open Source
* Copyright 2008, Red Hat Middleware LLC, and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* 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.beans.Introspector;
import java.lang.annotation.Annotation;
import java.lang.reflect.AccessibleObject;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Member;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.lang.reflect.WildcardType;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
/**
 * Some reflection utility methods.
 *
 * @author Hardy Ferentschik
 */
public class ReflectionHelper {

  /**
   * Checks whether the specified class contains a field matching the specified name.
   *
   * @param clazz The class to check.
   * @param fieldName The field name.
   *
   * @return Returns <code>true</code> if the cass contains a field for the specified name, <code>
   *         false</code> otherwise.
   */
  public static boolean containsField(Class<?> clazz, String fieldName) {
    try {
      clazz.getDeclaredField( fieldName );
      return true;
    }
    catch ( NoSuchFieldException e ) {
      return false;
    }
  }
}

   
    
    
    
    
    
  

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