NamedPropertyCriteria.java

package org.jboss.seam.solder.properties.query;

import java.beans.Introspector;
import java.lang.reflect.Field;
import java.lang.reflect.Method;

/**
 * A criteria that matches a property based on name
 * 
 * @author Shane Bryzak
 * 
 * @see PropertyCriteria
 */
public class NamedPropertyCriteria implements PropertyCriteria
{
   private final String[] propertyNames;
   
   public NamedPropertyCriteria(String... propertyNames)
   {
      this.propertyNames = propertyNames;
   }
   
   public boolean fieldMatches(Field f)
   {
      for (String propertyName : propertyNames)
      {
         if (propertyName.equals(f.getName())) return true;
      }
      return false;
   }

   public boolean methodMatches(Method m)
   {
      for (String propertyName : propertyNames)
      {
         if (m.getName().startsWith("get") && 
            Introspector.decapitalize(m.getName().substring(3)).equals(propertyName)) return true;
         
      }
      return false;
   }
}