package ch.qos.logback.core.joran.util.beans;
   
   import java.lang.reflect.Method;
   import java.util.Collections;
   import java.util.Map;
   
   /**
    * Lightweight pendant to the java.beans.BeanInfo class. An instance of this
    * class encapsulates the properties of a certain class. The properties are the
   * public setters and getters. In addition the 'add-er'-methods are included,
   * which are the public methods which start with the prefix 'add'.
   *
   * @author urechm
   *
   */
  public class BeanDescription {
  
      private final Class<?> clazz;
  
      private final Map<String, Method> propertyNameToGetter;
  
      private final Map<String, Method> propertyNameToSetter;
  
      private final Map<String, Method> propertyNameToAdder;
  
      /**
       * Scope protected since only the {@link BeanDescriptionFactory} must create
       * BeanDescriptions in order to guarantee consistency between the given
       * parameters.
       *
       * @param clazz                of the bean.
       * @param propertyNameToGetter map of property names to the associated getter.
       * @param propertyNameToSetter map of property names to the associated setter.
       * @param propertyNameToAdder  map of property names to the associated adder.
       */
      protected BeanDescription(Class<?> clazz, Map<String, Method> propertyNameToGetter,
              Map<String, Method> propertyNameToSetter, Map<String, Method> propertyNameToAdder) {
          this.clazz = clazz;
          this.propertyNameToGetter = Collections.unmodifiableMap(propertyNameToGetter);
          this.propertyNameToSetter = Collections.unmodifiableMap(propertyNameToSetter);
          this.propertyNameToAdder = Collections.unmodifiableMap(propertyNameToAdder);
      }
  
      public Class<?> getClazz() {
          return clazz;
      }
  
      public Map<String, Method> getPropertyNameToGetter() {
          return propertyNameToGetter;
      }
  
      public Map<String, Method> getPropertyNameToSetter() {
          return propertyNameToSetter;
      }
  
      public Method getGetter(String propertyName) {
          return propertyNameToGetter.get(propertyName);
      }
  
      public Method getSetter(String propertyName) {
          return propertyNameToSetter.get(propertyName);
      }
  
      public Map<String, Method> getPropertyNameToAdder() {
          return propertyNameToAdder;
      }
  
      public Method getAdder(String propertyName) {
          return propertyNameToAdder.get(propertyName);
      }
  
  }