public BeanProperties(Type baseClass)
{
PropertyDescriptor[] descriptors;
try
{
descriptors = Introspector.getBeanInfo(baseClass).PropertyDescriptors;
}
catch (IntrospectionException e)
{
throw new ELException(e);
}
foreach (PropertyDescriptor descriptor in descriptors)
{
map[descriptor.Name] = new BeanProperty(descriptor);
}
}
/// <summary> init is responsible for checking the class to make sure
/// it implements addPropertyChangeListener(java.beans.PropertyChangeListener)
/// and removePropertyChangeListener(java.beans.PropertyChangeListener).
/// We don't require the classes extend PropertyChangeSupport.
/// </summary>
public void init()
{
try
{
INFO = Introspector.getBeanInfo(OBJECT_CLASS);
// we have to filter out the class PropertyDescriptor
PropertyInfo[] pd = INFO.getPropertyDescriptors();
List <Object> list = new List <Object>();
for (int idx = 0; idx < pd.Length; idx++)
{
if (pd[idx].Name.Equals("class"))
{
// don't Add
}
else
{
// we map the methods using the PropertyDescriptor.getName for
// the key and the PropertyDescriptor as the value
methods.Put(pd[idx].Name, pd[idx]);
list.Add(pd[idx]);
}
}
PropertyInfo[] newpd = new PropertyInfo[list.Count];
list.CopyTo(newpd, 0);
PROPS = (PropertyInfo[])newpd;
// logic for filtering the PropertyDescriptors
if (ObjectFilter.lookupFilter(OBJECT_CLASS) != null)
{
// Remove the props that should be invisible
BeanFilter bf = ObjectFilter.lookupFilter(OBJECT_CLASS);
PROPS = bf.filter(PROPS);
}
if (checkBean())
{
ISBEAN = true;
}
// we clean up the array and List<Object>
list.Clear();
pd = null;
}
catch (System.Exception e)
{
// we should log this and throw an exception
}
}
/// <summary>
/// If the base object is not null, returns an Iterator containing the set of JavaBeans
/// properties available on the given object. Otherwise, returns null. The Iterator returned must
/// contain zero or more instances of java.beans.FeatureDescriptor. Each info object contains
/// information about a property in the bean, as obtained by calling the
/// BeanInfo.getPropertyDescriptors method. The FeatureDescriptor is initialized using the same
/// fields as are present in the PropertyDescriptor, with the additional required named
/// attributes "type" and "resolvableAtDesignTime" set as follows:
/// <ul>
/// <li><seealso cref="ELResolver.TYPE"/> - The runtime type of the property, from
/// PropertyDescriptor.getPropertyType().</li>
/// <li><seealso cref="ELResolver.RESOLVABLE_AT_DESIGN_TIME"/> - true.</li>
/// </ul>
/// </summary>
/// <param name="context">
/// The context of this evaluation. </param>
/// <param name="base">
/// The bean to analyze. </param>
/// <returns> An Iterator containing zero or more FeatureDescriptor objects, each representing a
/// property on this bean, or null if the base object is null. </returns>
public override IEnumerator <FeatureDescriptor> getFeatureDescriptors(ELContext context, object @base)
{
if (isResolvable(@base))
{
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final java.beans.PropertyDescriptor[] properties;
PropertyDescriptor[] properties;
try
{
properties = Introspector.getBeanInfo(@base.GetType()).PropertyDescriptors;
}
catch (IntrospectionException)
{
return(System.Linq.Enumerable.Empty <FeatureDescriptor> ().GetEnumerator());
}
return(new IteratorAnonymousInnerClass(this, properties));
}
return(null);
}
