public override PageDefinition Parse(string resourceLocation)
{
var result = new PageDefinition();
try
{
// TODO Valutare se usare Xpath per la lettura
XDocument xdoc = _resourceProvider.ResourceToXml(resourceLocation);
var rootElement = xdoc.Element(PAGE);
if (rootElement == null)
throw new ApplicationException(string.Format("Element root '{0}' not found.", PAGE));
ParseModules(xdoc, result);
var paramsElement = xdoc.Root.Element(PARAMETERS);
if (paramsElement != null)
ParseParameters(paramsElement, result);
ParseActions(xdoc, result);
}
catch (Exception ex)
{
throw new XrcException(string.Format("Failed to parse '{0}'.", resourceLocation), ex);
}
return result;
}
// TODO E' possibile semplificare e irrobustire questo codice?
// TODO Potrebero esserci problemi di cache e dipendenze? Da ottimizzare in qualche modo?
public override PageDefinition Parse(string resourceLocation)
{
var result = new PageDefinition();
var action = new PageAction("GET");
var moduleDefinitionList = new ModuleDefinitionList();
var pageParameters = new PageParameterList();
var viewComponentDefinition = _viewCatalog.Get(typeof(XsltView).Name);
if (viewComponentDefinition == null)
throw new XrcException(string.Format("View '{0}' not found on catalog.", typeof(XsltView).Name));
var view = new ViewDefinition(viewComponentDefinition, null);
XDocument xsltContent = _resourceProvider.ResourceToXml(resourceLocation);
AddProperty(viewComponentDefinition, view, "Xslt", xsltContent);
string dataVirtualPath = resourceLocation.Replace(".xrc.xslt", ".xml");
if (_resourceProvider.ResourceExists(dataVirtualPath))
{
AddProperty(viewComponentDefinition, view, "Data", _resourceProvider.ResourceToXml(dataVirtualPath));
}
action.Views.Add(view);
result.Actions.Add(action);
return result;
}
public override PageDefinition Parse(string resourceLocation)
{
var result = new PageDefinition();
var action = new PageAction("GET");
var moduleDefinitionList = new ModuleDefinitionList();
var pageParameters = new PageParameterList();
var viewComponentDefinition = _viewCatalog.Get(typeof(XHtmlView).Name);
if (viewComponentDefinition == null)
throw new XrcException(string.Format("View '{0}' not found on catalog.", typeof(XHtmlView).Name));
var view = new ViewDefinition(viewComponentDefinition, null);
string propertyName = "Content";
var viewProperty = viewComponentDefinition.Type.GetProperty(propertyName);
if (viewProperty == null)
throw new XrcException(string.Format("Property '{0}' for type '{1}' not found.", propertyName, viewComponentDefinition.Type.FullName));
XDocument content = _resourceProvider.ResourceToXml(resourceLocation);
var propertyValue = new XValue(viewProperty.PropertyType, content);
view.Properties.Add(new XProperty(viewProperty, propertyValue));
action.Views.Add(view);
result.Actions.Add(action);
return result;
}
PageDefinition GetInheritedDefinitions(PageDirectory directory)
{
PageDefinition directoryDefinition;
if (directory.ConfigFile != null)
directoryDefinition = _pageParser.Parse(directory.ConfigFile.ResourceLocation);
else
directoryDefinition = new PageDefinition();
if (directory.Parent != null)
return GetInheritedDefinitions(directory.Parent).Combine(directoryDefinition);
return directoryDefinition;
}
public void It_Should_be_possible_to_union_a_result_actions()
{
var target = new PageDefinition();
target.Actions.Add(new PageAction("GET"));
target.Actions.Add(new PageAction("POST"));
var other = new PageDefinition();
other.Actions.Add(new PageAction("GET"));
other.Actions.Add(new PageAction("DELETE"));
var result = target.Combine(other);
Assert.AreEqual(3, result.Actions.Count);
Assert.AreNotEqual(target.Actions["GET"], result.Actions["GET"]);
Assert.AreEqual(other.Actions["GET"], result.Actions["GET"]);
}
public void It_Should_be_possible_to_union_a_result_modules()
{
var target = new PageDefinition();
target.Modules.Add(new ModuleDefinition("m1", new ComponentDefinition("m1", typeof(string))));
target.Modules.Add(new ModuleDefinition("m2", new ComponentDefinition("m2", typeof(string))));
var other = new PageDefinition();
other.Modules.Add(new ModuleDefinition("m1", new ComponentDefinition("m1", typeof(string))));
other.Modules.Add(new ModuleDefinition("m3", new ComponentDefinition("m3", typeof(string))));
var result = target.Combine(other);
Assert.AreEqual(3, result.Modules.Count);
Assert.AreNotEqual(target.Modules["m1"], result.Modules["m1"]);
Assert.AreEqual(other.Modules["m1"], result.Modules["m1"]);
}
public void It_Should_be_possible_to_union_a_result_parameters()
{
var target = new PageDefinition();
target.Parameters.Add(new PageParameter("p1", new XValue(typeof(string), "v1")));
target.Parameters.Add(new PageParameter("p2", new XValue(typeof(string), "v2")));
var other = new PageDefinition();
other.Parameters.Add(new PageParameter("p1", new XValue(typeof(string), "v1.1")));
other.Parameters.Add(new PageParameter("p3", new XValue(typeof(string), "v3")));
var result = target.Combine(other);
Assert.AreEqual(3, result.Parameters.Count);
Assert.AreNotEqual(target.Parameters["p1"], result.Parameters["p1"]);
Assert.AreEqual(other.Parameters["p1"], result.Parameters["p1"]);
}
public void Default_layout_should_not_override_specific_layout_set_to_empty()
{
var root = new TestPageStructure1().GetRoot();
var layout = root.DefaultLayoutFile;
var config = root.ConfigFile;
var file = root.Files["about.xrc"];
var pageDefinition = new PageDefinition();
pageDefinition.Actions.Add(new PageAction("GET") { Layout = "" });
var target = CreateTarget();
SetupUrl(file.BuildUrl(), new PageLocatorResult(file, new UriSegmentParameterList()), pageDefinition);
_pageParser.Setup(p => p.Parse(config.ResourceLocation)).Returns(new PageDefinition());
var page = target.GetPage(file.BuildUrl());
var actionGet = page.Actions["get"];
Assert.AreEqual("", actionGet.Layout);
}
public PageDefinition Combine(PageDefinition other)
{
var result = new PageDefinition();
foreach (var a in Actions)
result.Actions[a.Method] = a;
foreach (var a in other.Actions)
result.Actions[a.Method] = a;
foreach (var a in Parameters)
result.Parameters[a.Name] = a;
foreach (var a in other.Parameters)
result.Parameters[a.Name] = a;
foreach (var a in Modules)
result.Modules[a.Name] = a;
foreach (var a in other.Modules)
result.Modules[a.Name] = a;
return result;
}
private ViewDefinition ParseView(XElement xElement, PageDefinition parserResult)
{
string viewTypeName = xElement.Name.LocalName;
ComponentDefinition viewComponent = _viewCatalog.Get(viewTypeName);
if (viewComponent == null)
throw new XrcException(string.Format("View '{0}' not found.", viewTypeName));
if (!typeof(IView).IsAssignableFrom(viewComponent.Type))
throw new ApplicationException(string.Format("Type '{0}' is not a view.", viewComponent.Type));
string slot = string.Empty;
if (xElement.Attribute(SLOT) != null)
slot = xElement.AttributeAs<string>(SLOT);
ViewDefinition view = new ViewDefinition(viewComponent, slot);
// TODO Escludere le property con un namespace? O usare un namespace particolare per le property?
foreach (var element in xElement.Elements())
{
var property = ParseProperty(element, viewComponent.Type, parserResult);
view.Properties.Add(property);
}
return view;
}
private XProperty ParseProperty(XElement element, Type ownerType, PageDefinition parserResult)
{
string propertyName = element.Name.LocalName;
var property = ownerType.GetProperty(propertyName, BindingFlags.IgnoreCase | BindingFlags.Public | BindingFlags.Instance);
if (property == null)
{
//XProperty propertyFile = ParsePropertyFile(item, ownerType, propertyName, element.Value);
//if (propertyFile != null)
// return propertyFile;
throw new ApplicationException(string.Format("Property '{0}' not found on type '{1}.", propertyName, ownerType));
}
if (element.HasElements)
{
if (property.PropertyType == typeof(XDocument))
{
if (element.Elements().Count() > 1)
throw new ApplicationException(string.Format("Element '{0}' not recognized for property '{1}', there is no root.", element.Name, property.Name));
else
{
// TODO Valutare se c'è un modo migliore per passare da un XElement a un XDocument
// o valutare se usare invece XElement direttamente e non richiedere un XDocument
string xmlContent = element.Elements().First().ToString();
var xValue = new XValue(property.PropertyType, XDocument.Parse(xmlContent));
return new XProperty(property, xValue);
}
}
else
throw new ApplicationException(string.Format("Element '{0}' not recognized for property '{1}'", element.Name, property.Name));
}
else if (element.IsEmpty == false)
{
var xValue = _scriptService.Parse(element.Value, property.PropertyType, parserResult.Modules, parserResult.Parameters);
return new XProperty(property, xValue);
}
else
throw new ApplicationException(string.Format("Invalid element '{0}', value not defined.", element.Name));
}
private void ParseParameters(XElement paramsElement, PageDefinition parserResult)
{
foreach (var addElement in paramsElement.Elements(ADD))
{
string key = addElement.AttributeAs<string>(KEY);
string value = addElement.AttributeAsOrDefault<string>(VALUE);
string typeName = addElement.AttributeAsOrDefault<string>(TYPE);
if (string.IsNullOrWhiteSpace(typeName))
typeName = typeof(string).FullName;
Type type = Type.GetType(typeName, true, true);
bool allowRequestOverride = addElement.AttributeAsOrDefault<bool>(ALLOWREQUESTOVERRIDE);
var xValue = _scriptService.Parse(value, type, parserResult.Modules, parserResult.Parameters);
parserResult.Parameters.Add(new PageParameter(key, xValue, allowRequestOverride));
}
}
private void ParseModules(XDocument doc, PageDefinition parserResult)
{
foreach (var attr in doc.Root.Attributes())
{
if (attr.Name.Namespace == XNamespace.Xmlns)
{
Uri moduleUri = new Uri(attr.Value);
if (moduleUri.Scheme == MODULE_PREFIX)
{
string name = attr.Name.LocalName;
var moduleDefinition = new ModuleDefinition(name, _moduleCatalog.Get(moduleUri.Segments[0]));
parserResult.Modules.Add(moduleDefinition);
}
}
}
}
public void Slot_pages_should_not_have_a_default_layout()
{
var root = new TestPageStructure1().GetRoot();
var layout = root.DefaultLayoutFile;
var config = root.ConfigFile;
var fileNormal = root.Directories["news"].Files["index.xrc"];
var fileslot = root.Directories["news"].Files["_slot1.xrc"];
var pageNormalDefinition = new PageDefinition();
pageNormalDefinition.Actions.Add(new PageAction("GET"));
var pageSlotDefinition = new PageDefinition();
pageSlotDefinition.Actions.Add(new PageAction("GET"));
var target = CreateTarget();
SetupUrl(fileNormal.BuildUrl(), new PageLocatorResult(fileNormal, new UriSegmentParameterList()), pageNormalDefinition);
SetupUrl(fileslot.BuildUrl(), new PageLocatorResult(fileslot, new UriSegmentParameterList()), pageSlotDefinition);
_pageParser.Setup(p => p.Parse(config.ResourceLocation)).Returns(new PageDefinition());
var page = target.GetPage(fileNormal.BuildUrl());
var actionGet = page.Actions["get"];
Assert.AreEqual("~/_layout", actionGet.Layout);
var pageSlot = target.GetPage(fileslot.BuildUrl());
var actionGetSlot = pageSlot.Actions["get"];
Assert.IsNull(actionGetSlot.Layout);
}
private void SetupUrl(XrcUrl url, PageLocatorResult locatorResult, PageDefinition parserResult)
{
_pageLocator.Setup(p => p.Locate(url)).Returns(locatorResult);
if (locatorResult != null)
_pageParser.Setup(p => p.Parse(locatorResult.Page.ResourceLocation)).Returns(parserResult);
}
public void It_Should_be_possible_to_parse_page_and_get_default_layout_only_on_GET()
{
var root = new TestPageStructure1().GetRoot();
var layout = root.DefaultLayoutFile;
var config = root.ConfigFile;
var file = root.Files["about.xrc"];
var pageDefinition = new PageDefinition();
pageDefinition.Actions.Add(new PageAction("GET"));
pageDefinition.Actions.Add(new PageAction("POST"));
var target = CreateTarget();
SetupUrl(file.BuildUrl(), new PageLocatorResult(file, new UriSegmentParameterList()), pageDefinition);
_pageParser.Setup(p => p.Parse(config.ResourceLocation)).Returns(new PageDefinition());
var page = target.GetPage(file.BuildUrl());
var actionGet = page.Actions["get"];
Assert.AreEqual("~/_layout", actionGet.Layout);
var actionPost = page.Actions["post"];
Assert.IsNull(actionPost.Layout);
}
void SetLayout(PageDefinition pageDefinition, PageFile pageFile, UriSegmentParameterList uriParameters)
{
if (pageFile.IsSlot || pageFile.IsDefaultLayout)
return;
if (!pageDefinition.Actions.Contains("GET"))
return;
if (pageFile.DefaultLayoutFile == null)
return;
var action = pageDefinition.Actions["GET"];
if (action != null && action.Layout == null)
action.Layout = pageFile.DefaultLayoutFile.BuildUrl(uriParameters).ToString();
}
public void It_Should_be_possible_to_parse_folder_parameters()
{
var root = new TestPageStructure1().GetRoot();
var config = root.ConfigFile;
var file = root.Files["about.xrc"];
var configParserResult = new PageDefinition();
configParserResult.Parameters.Add(new PageParameter("folderParameter1", new XValue("folder")));
configParserResult.Parameters.Add(new PageParameter("folderParameter2", new XValue("folder")));
var pageParserResult = new PageDefinition();
pageParserResult.Parameters.Add(new PageParameter("folderParameter2", new XValue("page")));
var target = CreateTarget();
SetupUrl(file.BuildUrl(), new PageLocatorResult(file, new UriSegmentParameterList()), pageParserResult);
_pageParser.Setup(p => p.Parse(config.ResourceLocation)).Returns(configParserResult);
var page = target.GetPage(file.BuildUrl());
Assert.AreEqual("folder", page.PageParameters["folderParameter1"].Value.ToString());
Assert.AreEqual("page", page.PageParameters["folderParameter2"].Value.ToString());
}
private void ParseActions(XDocument xdoc, PageDefinition parserResult)
{
foreach (var actionElement in xdoc.Root.Elements(ACTION))
{
string method = actionElement.AttributeAsOrDefault<string>(METHOD);
if (method == null)
method = DEFAULT_METHOD;
var action = new PageAction(method);
if (actionElement.Attribute(LAYOUT) != null)
action.Layout = actionElement.AttributeAs<string>(LAYOUT);
foreach (var subElement in actionElement.Elements())
{
if (subElement.Name.Namespace != XMLNS)
continue;
if (subElement.Name == OUTPUTCACHE)
{
}
else if (subElement.Name == CATCHEXCEPTION)
{
var url = subElement.AttributeAsOrDefault<string>(URL);
action.CatchException = new PageCatch(url);
}
else
{
var view = ParseView(subElement, parserResult);
action.Views.Add(view);
}
}
parserResult.Actions.Add(action);
}
}
public void It_Should_be_possible_to_parse_page_and_get_default_layout_also_when_is_not_present()
{
var root = new TestPageStructure2().GetRoot();
var layout = root.DefaultLayoutFile;
var file = root.Files["about.xrc"];
var pageDefinition = new PageDefinition();
pageDefinition.Actions.Add(new PageAction("GET"));
var target = CreateTarget();
SetupUrl(file.BuildUrl(), new PageLocatorResult(file, new UriSegmentParameterList()), pageDefinition);
var page = target.GetPage(file.BuildUrl());
var actionGet = page.Actions["get"];
Assert.IsNull(actionGet.Layout);
}
