// IConfigurationSectionHandler methods /// <internalonly/> protected Object Create(Object parent, Object context, XmlNode input) { // see ASURT 123738 if (context == null || context.GetType() != typeof(System.Web.Configuration.HttpConfigurationContext)) { return null; } ControlsConfig config = new ControlsConfig((ControlsConfig)parent); // First step through each attribute on the <mobilecontrols> element // and update the ControlsConfig dictionary with it. XmlAttributeCollection attributes = input.Attributes; foreach (XmlNode attribute in attributes) { config[attribute.Name] = attribute.Value; } //check validity of cookielessDataDictionary type String cookielessDataDictionaryType = config["cookielessDataDictionaryType"]; if (!String.IsNullOrEmpty(cookielessDataDictionaryType)) { Type t = Type.GetType(cookielessDataDictionaryType); if (t == null) { throw new ConfigurationErrorsException( SR.GetString(SR.MobileControlsSectionHandler_TypeNotFound, cookielessDataDictionaryType, "IDictionary"), input); } if (!(typeof(IDictionary).IsAssignableFrom(t))) { throw new ConfigurationErrorsException( SR.GetString(SR.MobileControlsSectionHandler_NotAssignable, cookielessDataDictionaryType, "IDictionary"), input); } } // Iterate through each <device> tag within the config section ConfigurationSectionHelper helper = new ConfigurationSectionHelper(); foreach(XmlNode nextNode in input) { helper.Node = nextNode; if(helper.IsWhitespaceOrComment()) { continue; } helper.RejectNonElement(); // handle <device> tags switch(nextNode.Name) { case "device": String deviceName = helper.RemoveStringAttribute("name", false); IndividualDeviceConfig idc = CreateDeviceConfig(config, helper, deviceName); helper.CheckForUnrecognizedAttributes(); // Iterate through every control adapter // within the <device> foreach(XmlNode currentChild in nextNode.ChildNodes) { helper.Node = currentChild; if(helper.IsWhitespaceOrComment()) { continue; } helper.RejectNonElement(); if (!currentChild.Name.Equals("control")) { throw new ConfigurationErrorsException( SR.GetString(SR.MobileControlsSectionHandler_UnknownElementName, "<control>"), currentChild); } else { String controlName = helper.RemoveStringAttribute("name", true); String adapterName = helper.RemoveStringAttribute("adapter", true); helper.CheckForUnrecognizedAttributes(); idc.AddControl(CheckedGetType(controlName, "control", helper, typeof(MobileControl), currentChild), CheckedGetType(adapterName, "adapter", helper, typeof(IControlAdapter), currentChild)); } helper.Node = null; } // Add complete device config to master configs. if (String.IsNullOrEmpty(deviceName)) { deviceName = Guid.NewGuid().ToString(); } if (!config.AddDeviceConfig(deviceName, idc)) { // Problem is due to a duplicated name throw new ConfigurationErrorsException( SR.GetString(SR.MobileControlsSectionHandler_DuplicatedDeviceName, deviceName), nextNode); } helper.Node = null; break; default: throw new ConfigurationErrorsException( SR.GetString(SR.MobileControlsSectionHandler_UnknownElementName, "<device>"), nextNode); } } config.FixupDeviceConfigInheritance(input); return config; }
// Helper method to encapsulate type lookup followed by // throwing a ConfigurationErrorsException on failure. private Type CheckedGetType(String typename, String whereUsed, ConfigurationSectionHelper helper, Type typeImplemented, XmlNode input) { Type t = Type.GetType(typename); if (t == null) { throw new ConfigurationErrorsException( SR.GetString(SR.MobileControlsSectionHandler_TypeNotFound, typename, whereUsed), helper.Node); } if (typeImplemented != null && !typeImplemented.IsAssignableFrom(t)) { if (input != null) { throw new ConfigurationErrorsException( SR.GetString(SR.MobileControlsSectionHandler_NotAssignable, t, typeImplemented), input); } else { throw new ConfigurationErrorsException( SR.GetString(SR.MobileControlsSectionHandler_NotAssignable, t, typeImplemented), helper.Node); } } return t; }
// 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); }
// Helper to create a device config given the names of methods private IndividualDeviceConfig CreateDeviceConfig(ControlsConfig config, ConfigurationSectionHelper helper, String deviceName) { String nameOfDeviceToInheritFrom = helper.RemoveStringAttribute("inheritsFrom", false); if (nameOfDeviceToInheritFrom != null && nameOfDeviceToInheritFrom.Length == 0) { nameOfDeviceToInheritFrom = null; } bool propertiesRequired = nameOfDeviceToInheritFrom == null; String predicateClass = helper.RemoveStringAttribute("predicateClass", propertiesRequired); // If a predicate class is specified, so must a method. String predicateMethod = helper.RemoveStringAttribute("predicateMethod", predicateClass != null); String pageAdapterClass = helper.RemoveStringAttribute("pageAdapter", propertiesRequired); IndividualDeviceConfig.DeviceQualifiesDelegate predicateDelegate = null; if (predicateClass != null || predicateMethod != null) { Type predicateClassType = CheckedGetType(predicateClass, "PredicateClass", helper, null, null); try { predicateDelegate = (IndividualDeviceConfig.DeviceQualifiesDelegate) IndividualDeviceConfig.DeviceQualifiesDelegate.CreateDelegate( typeof(IndividualDeviceConfig.DeviceQualifiesDelegate), predicateClassType, predicateMethod); } catch { throw new ConfigurationErrorsException( SR.GetString(SR.MobileControlsSectionHandler_CantCreateMethodOnClass, predicateMethod, predicateClassType.FullName), helper.Node); } } Type pageAdapterType = null; if (pageAdapterClass != null) { pageAdapterType = CheckedGetType(pageAdapterClass, "PageAdapterClass", helper, typeof(IPageAdapter), null); } return new IndividualDeviceConfig(config, deviceName, predicateDelegate, pageAdapterType, nameOfDeviceToInheritFrom); }
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; }