#region Disclaimer / License
// Copyright (C) 2009, Kenneth Skovhede
// http://www.hexad.dk, opensource@hexad.dk
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
//
#endregion
using System;
using System.Xml;
using System.Collections.Generic;
namespace OSGeo.MapGuide.MaestroAPI.Schema
{
///
/// Dummy class that represents an unknown data type
///
public class UnmappedDataType
{
}
///
/// Class that represents a the layout of a feature source
///
public class FeatureSourceDescription
{
///
/// Initializes a new instance of the class.
///
/// The stream.
public FeatureSourceDescription(System.IO.Stream stream)
{
List schemas = new List();
XmlDocument doc = new XmlDocument();
doc.Load(stream);
XmlNamespaceManager mgr = new XmlNamespaceManager(doc.NameTable);
mgr.AddNamespace("xs", XmlNamespaces.XS);
mgr.AddNamespace("gml", XmlNamespaces.GML);
mgr.AddNamespace("fdo", XmlNamespaces.FDO);
//Assume XML configuration document
XmlNodeList schemaNodes = doc.SelectNodes("fdo:DataStore/xs:schema", mgr);
if (schemaNodes.Count == 0) //Then assume FDO schema
schemaNodes = doc.SelectNodes("xs:schema", mgr);
foreach (XmlNode sn in schemaNodes)
{
FeatureSchema fs = new FeatureSchema();
fs.ReadXml(sn, mgr);
schemas.Add(fs);
}
this.Schemas = schemas.ToArray();
}
///
/// Gets whether this description is a partial description (ie. It doesn't represent the full feature source)
///
public bool IsPartial { get; internal set; }
///
/// Gets an array of feature schemas in this feature source
///
public FeatureSchema[] Schemas { get; private set; }
///
/// Gets a feature schema by its name
///
///
/// The matching feature schema. null if not found
public FeatureSchema GetSchema(string schemaName)
{
foreach (var fsc in this.Schemas)
{
if (fsc.Name.Equals(schemaName))
{
return fsc;
}
}
return null;
}
///
/// Gets an array of feature schema names
///
public string[] SchemaNames
{
get
{
List names = new List();
foreach (var fsc in this.Schemas)
{
names.Add(fsc.Name);
}
return names.ToArray();
}
}
///
/// Gets all the Class Definitions in this feature source. In the event of identically named Class Definitions beloning
/// in different parent schemas. Use the property
/// to distinguish them.
///
public IEnumerable AllClasses
{
get
{
foreach (var fsc in this.Schemas)
{
foreach (var cls in fsc.Classes)
{
yield return cls;
}
}
}
}
///
/// Gets the specified class definition by its name and parent schema name
///
///
///
/// The matching class definition. null if not found
public ClassDefinition GetClass(string schemaName, string className)
{
var fsc = GetSchema(schemaName);
if (fsc != null)
{
foreach (var cls in fsc.Classes)
{
if (cls.Name.Equals(className))
return cls;
}
}
return null;
}
#region old impl
/*
private ClassDefinition[] m_classes;
private string[] m_schemaNames;
///
/// Initializes a new instance of the class.
///
/// The stream.
public FeatureSourceDescription(System.IO.Stream stream)
{
XmlDocument doc = new XmlDocument();
doc.Load(stream);
if (doc.FirstChild.Name != "xml")
throw new Exception("Bad document");
XmlNode root;
if (doc.ChildNodes.Count == 2 && doc.ChildNodes[1].Name == "fdo:DataStore")
root = doc.ChildNodes[1];
else if (doc.ChildNodes.Count != 2 || doc.ChildNodes[1].Name != "xs:schema")
throw new Exception("Bad document");
else
root = doc;
XmlNamespaceManager mgr = new XmlNamespaceManager(doc.NameTable);
mgr.AddNamespace("xs", "http://www.w3.org/2001/XMLSchema");
mgr.AddNamespace("gml", "http://www.opengis.net/gml");
mgr.AddNamespace("fdo", "http://fdo.osgeo.org/schemas");
var keys = new Dictionary();
var classMap = new Dictionary();
XmlNodeList lst = root.SelectNodes("xs:schema/xs:complexType[@abstract='false']", mgr);
m_classes = new ClassDefinition[lst.Count];
for (int i = 0; i < m_classes.Length; i++)
{
m_classes[i] = new ClassDefinition(lst[i], mgr);
classMap.Add(m_classes[i].QualifiedName, m_classes[i]);
}
XmlNodeList keyNodes = root.SelectNodes("xs:schema/xs:element[@abstract='false']", mgr);
foreach (XmlNode keyNode in keyNodes)
{
var typeAttr = keyNode.Attributes["type"];
if (typeAttr != null)
{
string clsName = typeAttr.Value.Substring(0, typeAttr.Value.Length - 4); //class name is suffixed with type
if (classMap.ContainsKey(clsName))
{
List keyFieldNames = new List();
var cls = classMap[clsName];
XmlNodeList keyFields = keyNode.SelectNodes("xs:key/xs:field", mgr);
foreach (XmlNode keyField in keyFields)
{
var xpathAttr = keyField.Attributes["xpath"];
if (xpathAttr != null)
{
keyFieldNames.Add(xpathAttr.Value);
}
}
cls.MarkIdentityProperties(keyFieldNames);
}
}
}
var snames = new List();
foreach (string qn in classMap.Keys)
{
string[] tokens = qn.Split(':');
if (!snames.Contains(tokens[0]))
snames.Add(tokens[0]);
}
m_schemaNames = snames.ToArray();
}
///
/// Gets the schema names.
///
/// The schema names.
public string[] SchemaNames { get { return m_schemaNames; } }
///
/// Gets the classes.
///
/// The classes.
public ClassDefinition[] Classes { get { return m_classes; } }
///
/// Gets the at the specified index.
///
///
public ClassDefinition this[int index] { get { return m_classes[index]; } }
///
/// Gets the at the specified index.
///
///
public ClassDefinition this[string index]
{
get
{
for(int i =0 ;i
/// Gets whether there are any class definitions
///
///
public bool HasClasses()
{
if (this.Schemas.Length == 0)
return false;
foreach (var fsc in this.Schemas)
{
if (fsc.Classes.Count > 0)
return true;
}
return false;
}
///
/// Gets the specified class definition by its fully qualified name
///
///
/// The matching class definition. null if not found
public ClassDefinition GetClass(string qualifiedName)
{
Check.NotEmpty(qualifiedName, "qualifiedName");
var tokens = qualifiedName.Split(':');
if (tokens.Length != 2)
throw new ArgumentException("Not a qualified class name: " + qualifiedName); //LOCALIZEME
return GetClass(tokens[0], tokens[1]);
}
}
}