/// <summary>
/// Graphs <paramref name="o"/> onto the <see cref="T:System.Xml.XmlWriter"/> <paramref name="s"/>
/// </summary>
/// <param name="s">The <see cref="T:System.Xml.XmlWriter"/> that should be used to graph the object</param>
/// <param name="o">The <see cref="T:MARC.Everest.Interfaces.IGraphable"/> that should be graphed</param>
/// <returns>A <see cref="T:MARC.Everest.Formatters.XML.ITS1.Its1FormatterGraphResult"/> containing the results of the graph</returns>
/// <remarks>
/// <para>
/// This particular overload of the Graph method can be used to graph objects into a <see cref="T:System.Xml.XmlWriter"/> and can provide
/// an opportunity to use Everest as an assistant (or XmlSerializerSurrogate) for more complex systems like WCF.
/// </para>
/// <example>
/// <code lang="cs" title="Using Everest as a Serializer Assistant">
/// <![CDATA[
/// StringWriter sw = new StringWriter();
/// XmlWriter writer = XmlWriter.Create(sw);
/// writer.WriteStartElement("hello", "urn:my-org");
///
/// Formatter f = new Formatter();
/// f.GraphAides.Add(typeof(MARC.Everest.Formatters.XML.DataTypes.R1.Formatter));
/// f.ValidateConformance = false;
/// f.Graph(writer, new MCCI_IN000002CA());
///
/// writer.WriteEndElement();
/// writer.Close();
/// Console.WriteLine(sw.ToString());
///
/// ]]>
/// </code>
/// outputs
/// <code lang="xml" title="Output of example">
/// <![CDATA[
/// <hello xmlns="urn:my-org">
/// <MCCI_IN000002CA xmlns="urn:hl7-org:v3"/>
/// </hello>
/// ]]>
/// </code>
/// </example>
/// <para>
/// When using this method, it is recommended that you pass a <see cref="T:MARC.Everest.Xml.XmlStateWriter"/> as it
/// will allow the formatter to give additional location information when reporting issues.
/// </para>
/// </remarks>
public IFormatterGraphResult Graph(XmlWriter s, IGraphable o)
{
ThrowIfDisposed();
var resultContext = new XmlIts1FormatterGraphResult(ResultCode.Accepted, null);
IGraphable context = null;
// Clear out result cache
if (s.WriteState == WriteState.Start || String.IsNullOrEmpty(s.ToString()) || o is IInteraction)
context = o;
if (!(s is XmlStateWriter))
s = new XmlStateWriter(s);
if (o == null)
resultContext.Code = ResultCode.AcceptedNonConformant;
else
{
GraphObject(s, o, o.GetType(), context, resultContext);
resultContext.Code = CalculateResultCode(resultContext.Details);
}
return resultContext;
}
protected virtual void GraphObject(XmlWriter s, IGraphable o, Type useType, IGraphable context, XmlIts1FormatterGraphResult resultContext)
{
// Find the HL7 alias for the type and build the cache for the type
string typeName = GetStructureName(useType);
// Find a helper
IXmlStructureFormatter ixsf = (IXmlStructureFormatter)this.GraphAides.Find(t => t.HandleStructure.Contains(typeName));
// Does the helper graph aide have a handler?
if (ixsf != null)
{
ixsf.Host = this;
var rv = ixsf.Graph(s, o);
resultContext.AddResultDetail(rv.Details);
return;
}
#if WINDOWS_PHONE
ITypeFormatter formatter = m_codeGeneratorFormatter.GetFormatter(useType);
if (formatter == null)
formatter = new ReflectFormatter();
#else
ITypeFormatter formatter = m_codeGeneratorFormatter.GetFormatter(useType);
// Is there a formatter and if there is not a formatter
// can we create one?
if (formatter == null && (Settings & SettingsType.UseGeneratorFormat) == SettingsType.UseGeneratorFormat)
s_threadPool.QueueUserWorkItem((WaitCallback)delegate(object state)
{
BuildCache(new Type[] { (Type)state });
}, useType);
// If there is no connector can we use reflection?
if (formatter == null && (Settings & SettingsType.UseReflectionFormat) == SettingsType.UseReflectionFormat)
formatter = new ReflectFormatter();
else if (formatter == null && (Settings & SettingsType.UseGeneratorFormat) == SettingsType.UseGeneratorFormat)
{
s_threadPool.WaitOne();
formatter = m_codeGeneratorFormatter.GetFormatter(useType);
}
#endif
if(formatter == null)
throw new InvalidOperationException(string.Format("Couldn't format '{0}' at {1}, verify formatter settings!", useType.FullName, s.ToString()));
// Validate the instance
formatter.Host = this;
// Graph using helper
formatter.Graph(s, o, context, resultContext);
}
public void ValidateHelper(XmlWriter s, IGraphable o, ITypeFormatter formatter, XmlIts1FormatterGraphResult resultContext)
{
IResultDetail[] details = null;
if (ValidateConformance && (!formatter.Validate(o, s.ToString(), out details)))
resultContext.AddResultDetail(details.Length > 0 ? details : new IResultDetail[] { new DatatypeValidationResultDetail(ValidateConformance ? ResultDetailType.Error : ResultDetailType.Warning, o.GetType().ToString(), s.ToString()) });
}
public virtual void WriteElementUtil(XmlWriter s, string namespaceUri, string elementName, IGraphable g, Type propType, IGraphable context, XmlIts1FormatterGraphResult resultContext)
{
ThrowIfDisposed();
// Graph is nothing
if (g == null)
return;
// Normalize
if (g is INormalizable)
g = (g as INormalizable).Normalize();
// Write start of element
s.WriteStartElement(elementName, namespaceUri);
// JF: Output XSI:Type
if (!g.GetType().Equals(propType) )
{
// TODO: This may cause issue when assigning a QSET to an R1 or
// SXPR to R2 instance as the XSI:TYPE will be inappropriately
// assigned.
string xsiType = String.Empty;
if (typeof(ANY).IsAssignableFrom(g.GetType()))
{
xsiType += s.LookupPrefix("urn:hl7-org:v3");
if (!String.IsNullOrEmpty(xsiType))
xsiType += ":";
xsiType += Util.CreateXSITypeName(g.GetType());
}
else if (propType != null && g.GetType().Assembly.FullName != propType.Assembly.FullName)
{
string typeName = this.CreateXSITypeName(g.GetType(), context != null ? context.GetType() : null, s as IXmlNamespaceResolver);
// If there is no different then don't output
if (typeName != String.Format("{0}.{1}", this.GetModelName(propType), this.GetStructureName(propType)))
{
lock (this.m_syncRoot)
if (!this.s_typeNameMaps.ContainsKey(typeName))
this.RegisterXSITypeName(typeName, g.GetType());
}
xsiType = typeName;
}
if(!String.IsNullOrEmpty(xsiType))
s.WriteAttributeString("xsi", "type", XmlIts1Formatter.NS_XSI, xsiType);
//string xsdTypeName = String.Empty;
//object[] sa = g.GetType().GetCustomAttributes(typeof(StructureAttribute), false);
//if (sa.Length > 0 && (sa[0] as StructureAttribute).StructureType == StructureAttribute.StructureAttributeType.DataType)
// s.WriteAttributeString("xsi", "type", null, (sa[0] as StructureAttribute).Name);
}
// Result code of the
GraphObject(s, g, g.GetType(), context, resultContext);
s.WriteEndElement();
}
