gistfile1.java

    private void setPropertyOfObject(Object obj, String propname, String text)
    {
       	if (obj == null) return;
		Class<?> cl = obj.getClass();
		try {
			BeanInfo info = Introspector.getBeanInfo(cl);
			
			for (PropertyDescriptor pd : info.getPropertyDescriptors()) {
				if (pd.getName().equals(propname))
				{
					Method m = pd.getWriteMethod();
					if (m == null)
					{
						System.out.println("NULL method " + propname);
						return;
					}
					Class<?>[] params =  m.getParameterTypes();
					Object casted = createParameter(text,params[0]);
					m.invoke(obj, casted);

				}
			}

		} catch (Exception e) 
		{
			e.printStackTrace();
		}