// Essentially this method does what MobileDeviceCapabilitiesSectionHandler.Create()
// does, but use this DeviceFiltersSection for retrieving config data instead
private DeviceFilterDictionary CreateDeviceFilters()
{
DeviceFilterDictionary filterDictionary = new DeviceFilterDictionary();
foreach (DeviceFilterElement deviceFilter in Filters)
{
if (deviceFilter.FilterClass != null)
{
filterDictionary.AddCapabilityDelegate(deviceFilter.Name, deviceFilter.GetDelegate());
}
else
{
try {
filterDictionary.AddComparisonDelegate(
deviceFilter.Name, deviceFilter.Compare, deviceFilter.Argument);
}
catch (Exception e) {
throw new ConfigurationErrorsException(
SR.GetString(SR.DevCapSect_UnableAddDelegate, deviceFilter.Name, e.Message));
}
}
}
return(filterDictionary);
}
internal DeviceFilterDictionary GetDeviceFilters() {
if (_deviceFilters == null) {
lock (_deviceFilterslock) {
if (_deviceFilters == null) {
_deviceFilters = CreateDeviceFilters();
}
}
}
return _deviceFilters;
}
internal DeviceFilterDictionary GetDeviceFilters()
{
if (_deviceFilters == null)
{
lock (_deviceFilterslock) {
if (_deviceFilters == null)
{
_deviceFilters = CreateDeviceFilters();
}
}
}
return(_deviceFilters);
}
// Essentially this method does what MobileDeviceCapabilitiesSectionHandler.Create()
// does, but use this DeviceFiltersSection for retrieving config data instead
private DeviceFilterDictionary CreateDeviceFilters() {
DeviceFilterDictionary filterDictionary = new DeviceFilterDictionary();
foreach (DeviceFilterElement deviceFilter in Filters) {
if (deviceFilter.FilterClass != null) {
filterDictionary.AddCapabilityDelegate(deviceFilter.Name, deviceFilter.GetDelegate());
}
else {
try {
filterDictionary.AddComparisonDelegate(
deviceFilter.Name, deviceFilter.Compare, deviceFilter.Argument);
}
catch (Exception e) {
throw new ConfigurationErrorsException(
SR.GetString(SR.DevCapSect_UnableAddDelegate, deviceFilter.Name, e.Message));
}
}
}
return filterDictionary;
}
internal DeviceFilterDictionary(DeviceFilterDictionary original)
{
_comparisonEvaluators = (Hashtable)original._comparisonEvaluators.Clone();
_delegateEvaluators = (Hashtable)original._delegateEvaluators.Clone();
}
internal DeviceFilterDictionary(DeviceFilterDictionary original)
{
_comparisonEvaluators = (Hashtable)original._comparisonEvaluators.Clone();
_delegateEvaluators = (Hashtable)original._delegateEvaluators.Clone();
}
// IConfigurationSectionHandler Methods
Object IConfigurationSectionHandler.Create(Object parent, Object context,
XmlNode node)
{
// see ASURT 123738
if (context == null || context.GetType() != typeof(System.Web.Configuration.HttpConfigurationContext))
{
return(null);
}
DeviceFilterDictionary currentFilterDictionary;
if (parent == null)
{
currentFilterDictionary = new DeviceFilterDictionary();
}
else
{
currentFilterDictionary = new DeviceFilterDictionary(
(DeviceFilterDictionary)parent);
}
ConfigurationSectionHelper helper = new ConfigurationSectionHelper();
foreach (XmlNode child in node.ChildNodes)
{
helper.Node = child;
// skip whitespace and comments
if (helper.IsWhitespaceOrComment())
{
continue;
}
// reject nonelements
helper.RejectNonElement();
// handle <filter> tags
if (child.Name.Equals("filter"))
{
String name = helper.RemoveStringAttribute("name", true);
String className = helper.RemoveStringAttribute("type", false);
if (className != null)
{
const String methodAttributeName = "method";
String methodName = helper.RemoveStringAttribute(methodAttributeName, false);
String capabilityName = helper.RemoveStringAttribute("compare", false);
String argumentValue = helper.RemoveStringAttribute("argument", false);
helper.CheckForUnrecognizedAttributes();
if (className == String.Empty)
{
throw new
ConfigurationException(SR.GetString(SR.DevCapSect_EmptyClass), child);
}
if (methodName == null)
{
throw new
ConfigurationException(SR.GetString(SR.ConfigSect_MissingAttr, methodAttributeName), child);
}
if (methodName == String.Empty)
{
throw new
ConfigurationException(SR.GetString(SR.ConfigSect_MissingValue, methodAttributeName), child);
}
if (capabilityName != null || argumentValue != null)
{
String msg;
if (capabilityName != null)
{
msg = SR.GetString(SR.DevCapSect_ExtraCompareDelegator);
}
else
{
msg = SR.GetString(SR.DevCapSect_ExtraArgumentDelegator);
}
throw new ConfigurationException(msg, child);
}
MobileCapabilities.EvaluateCapabilitiesDelegate evaluator;
Type evaluatorClass = Type.GetType(className);
if (null == evaluatorClass)
{
String msg =
SR.GetString(SR.DevCapSect_NoTypeInfo, className);
throw new ConfigurationException(msg, child);
}
try
{
evaluator =
(MobileCapabilities.EvaluateCapabilitiesDelegate)
MobileCapabilities.EvaluateCapabilitiesDelegate.CreateDelegate(
typeof(MobileCapabilities.EvaluateCapabilitiesDelegate),
evaluatorClass, methodName);
}
catch (Exception e)
{
String msg =
SR.GetString(SR.DevCapSect_NoCapabilityEval,
methodName, e.Message);
throw new ConfigurationException(msg, child);
}
currentFilterDictionary.AddCapabilityDelegate(name, evaluator);
}
else
{
String capabilityName = helper.RemoveStringAttribute("compare", false);
String argumentValue = helper.RemoveStringAttribute("argument", false);
String methodName = helper.RemoveStringAttribute("method", false);
helper.CheckForUnrecognizedAttributes();
if ((capabilityName == null) || (capabilityName == String.Empty))
{
throw new ConfigurationException(
SR.GetString(SR.DevCapSect_MustSpecify),
child);
}
if (methodName != null)
{
throw new ConfigurationException(
SR.GetString(SR.DevCapSect_ComparisonAlreadySpecified),
child);
}
try
{
currentFilterDictionary.AddComparisonDelegate(name, capabilityName, argumentValue);
}
catch (Exception e)
{
String msg = SR.GetString(SR.DevCapSect_UnableAddDelegate,
name, e.Message);
throw new ConfigurationException(msg, child);
}
}
}
else
{
String msg = SR.GetString(SR.DevCapSect_UnrecognizedTag,
child.Name);
throw new ConfigurationException(msg, child);
}
helper.Node = null;
}
return(currentFilterDictionary);
}
protected object Create(Object parent, Object context, XmlNode node) {
// see ASURT 123738
if (context == null || context.GetType() != typeof(System.Web.Configuration.HttpConfigurationContext)) {
return null;
}
DeviceFilterDictionary currentFilterDictionary;
if(parent == null)
{
currentFilterDictionary = new DeviceFilterDictionary();
}
else
{
currentFilterDictionary = new DeviceFilterDictionary(
(DeviceFilterDictionary)parent);
}
ConfigurationSectionHelper helper = new ConfigurationSectionHelper();
foreach(XmlNode child in node.ChildNodes)
{
helper.Node = child;
// skip whitespace and comments
if(helper.IsWhitespaceOrComment())
{
continue;
}
// reject nonelements
helper.RejectNonElement();
// handle <filter> tags
if(child.Name.Equals("filter"))
{
String name = helper.RemoveStringAttribute("name", true);
String className = helper.RemoveStringAttribute("type", false);
if(className != null)
{
const String methodAttributeName = "method";
String methodName = helper.RemoveStringAttribute(methodAttributeName, false);
String capabilityName = helper.RemoveStringAttribute("compare", false);
String argumentValue = helper.RemoveStringAttribute("argument", false);
helper.CheckForUnrecognizedAttributes();
if(className == String.Empty)
{
throw new
ConfigurationErrorsException(SR.GetString(SR.DevCapSect_EmptyClass), child);
}
if(methodName == null)
{
throw new
ConfigurationErrorsException(SR.GetString(SR.ConfigSect_MissingAttr, methodAttributeName), child);
}
if(methodName == String.Empty)
{
throw new
ConfigurationErrorsException(SR.GetString(SR.ConfigSect_MissingValue, methodAttributeName), child);
}
if(capabilityName != null || argumentValue != null)
{
String msg;
if (capabilityName != null)
{
msg = SR.GetString(SR.DevCapSect_ExtraCompareDelegator);
}
else
{
msg = SR.GetString(SR.DevCapSect_ExtraArgumentDelegator);
}
throw new ConfigurationErrorsException(msg, child);
}
MobileCapabilities.EvaluateCapabilitiesDelegate evaluator;
Type evaluatorClass = Type.GetType(className);
if(null == evaluatorClass)
{
String msg =
SR.GetString(SR.DevCapSect_NoTypeInfo, className);
throw new ConfigurationErrorsException(msg, child);
}
try
{
evaluator =
(MobileCapabilities.EvaluateCapabilitiesDelegate)
MobileCapabilities.EvaluateCapabilitiesDelegate.CreateDelegate(
typeof(MobileCapabilities.EvaluateCapabilitiesDelegate),
evaluatorClass, methodName);
}
catch(Exception e)
{
String msg =
SR.GetString(SR.DevCapSect_NoCapabilityEval,
methodName, e.Message);
throw new ConfigurationErrorsException(msg, child);
}
currentFilterDictionary.AddCapabilityDelegate(name, evaluator);
}
else
{
String capabilityName = helper.RemoveStringAttribute("compare", false);
String argumentValue = helper.RemoveStringAttribute("argument", false);
String methodName = helper.RemoveStringAttribute("method", false);
helper.CheckForUnrecognizedAttributes();
if(String.IsNullOrEmpty(capabilityName))
{
throw new ConfigurationErrorsException(
SR.GetString(SR.DevCapSect_MustSpecify),
child);
}
if(methodName != null)
{
throw new ConfigurationErrorsException(
SR.GetString(SR.DevCapSect_ComparisonAlreadySpecified),
child);
}
try
{
currentFilterDictionary.AddComparisonDelegate(name, capabilityName, argumentValue);
}
catch(Exception e)
{
String msg = SR.GetString(SR.DevCapSect_UnableAddDelegate,
name, e.Message);
throw new ConfigurationErrorsException(msg, child);
}
}
}
else
{
String msg = SR.GetString(SR.DevCapSect_UnrecognizedTag,
child.Name);
throw new ConfigurationErrorsException(msg, child);
}
helper.Node = null;
}
return currentFilterDictionary;
}
