package org.cyclopsgroup.jcli.impl;
   
   import java.util.Collection;
   import java.util.List;
   
   import org.cyclopsgroup.caff.conversion.Converter;
   import org.cyclopsgroup.caff.ref.ValueReference;
   
   class MultiValueReference<T> extends Reference<T> {
    private final Class<?> listType;
  
    MultiValueReference(Class<? extends T> beanType, Converter<?> converter, ValueReference<T> ref,
        String longName, Class<?> listType) {
      super(converter, ref, longName);
      this.listType = listType;
    }
  
    /**
     * Write multi value to bean
     *
     * @param <P> Type of value to convert
     * @param bean Bean to set values
     * @param values List of values to set
     */
    @SuppressWarnings("unchecked")
    <P> void setValues(T bean, List<String> values) {
      Collection<P> col;
      try {
        col = (Collection<P>) listType.newInstance();
      } catch (InstantiationException e) {
        throw new RuntimeException("Can't instantiate " + listType, e);
      } catch (IllegalAccessException e) {
        throw new RuntimeException("Can't access default constructor of " + listType);
      }
      for (String value : values) {
        col.add((P) converter.fromCharacters(value));
      }
      ref.writeValue(col, bean);
    }
  }