541 lines
20 KiB
C#
541 lines
20 KiB
C#
//
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// System.Xml.Serialization.SoapReflectionImporter
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//
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// Author:
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// Tim Coleman (tim@timcoleman.com)
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//
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// Copyright (C) Tim Coleman, 2002
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//
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System.Collections;
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using System.Globalization;
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using System.Reflection;
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using System.Xml;
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using System.Xml.Schema;
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namespace System.Xml.Serialization {
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public class SoapReflectionImporter {
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SoapAttributeOverrides attributeOverrides;
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string initialDefaultNamespace;
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ArrayList includedTypes;
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ArrayList relatedMaps = new ArrayList ();
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ReflectionHelper helper = new ReflectionHelper();
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#region Constructors
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public SoapReflectionImporter (): this (null, null)
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{
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}
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public SoapReflectionImporter (SoapAttributeOverrides attributeOverrides): this (attributeOverrides, null)
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{
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}
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public SoapReflectionImporter (string defaultNamespace): this (null, defaultNamespace)
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{
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}
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public SoapReflectionImporter (SoapAttributeOverrides attributeOverrides, string defaultNamespace)
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{
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if (defaultNamespace == null) initialDefaultNamespace = String.Empty;
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else initialDefaultNamespace = defaultNamespace;
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if (attributeOverrides == null) this.attributeOverrides = new SoapAttributeOverrides();
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else this.attributeOverrides = attributeOverrides;
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}
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#endregion // Constructors
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#region Methods
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public XmlMembersMapping ImportMembersMapping (string elementName, string ns, XmlReflectionMember[] members)
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{
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return ImportMembersMapping (elementName, ns, members, true, true, false);
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}
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public XmlMembersMapping ImportMembersMapping (string elementName, string ns, XmlReflectionMember[] members, bool hasWrapperElement, bool writeAccessors)
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{
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return ImportMembersMapping (elementName, ns, members, hasWrapperElement, writeAccessors, false);
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}
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public XmlMembersMapping ImportMembersMapping (string elementName, string ns, XmlReflectionMember[] members, bool hasWrapperElement, bool writeAccessors, bool validate)
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{
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return ImportMembersMapping (elementName, ns, members, hasWrapperElement, writeAccessors, validate, XmlMappingAccess.Read | XmlMappingAccess.Write);
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}
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[MonoTODO]
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public
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XmlMembersMapping ImportMembersMapping (string elementName, string ns, XmlReflectionMember[] members, bool hasWrapperElement, bool writeAccessors, bool validate, XmlMappingAccess access)
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{
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elementName = XmlConvert.EncodeLocalName (elementName);
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XmlMemberMapping[] mapping = new XmlMemberMapping[members.Length];
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for (int n=0; n<members.Length; n++)
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{
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XmlTypeMapMember mapMem = CreateMapMember (members[n], ns);
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mapping[n] = new XmlMemberMapping (XmlConvert.EncodeLocalName (members[n].MemberName), ns, mapMem, true);
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}
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XmlMembersMapping mps = new XmlMembersMapping (elementName, ns, hasWrapperElement, writeAccessors, mapping);
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mps.RelatedMaps = relatedMaps;
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mps.Format = SerializationFormat.Encoded;
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Type[] extraTypes = includedTypes != null ? (Type[])includedTypes.ToArray(typeof(Type)) : null;
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mps.Source = new MembersSerializationSource (elementName, hasWrapperElement, members, writeAccessors, false, null, extraTypes);
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return mps;
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}
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public XmlTypeMapping ImportTypeMapping (Type type)
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{
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return ImportTypeMapping (type, null);
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}
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public XmlTypeMapping ImportTypeMapping (Type type, string defaultNamespace)
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{
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if (type == null)
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throw new ArgumentNullException ("type");
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if (type == typeof (void))
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throw new InvalidOperationException ("Type " + type.Name + " may not be serialized.");
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return ImportTypeMapping (TypeTranslator.GetTypeData (type),
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defaultNamespace);
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}
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internal XmlTypeMapping ImportTypeMapping (TypeData typeData, string defaultNamespace)
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{
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if (typeData == null)
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throw new ArgumentNullException ("typeData");
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if (typeData.Type == null)
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throw new ArgumentException ("Specified TypeData instance does not have Type set.");
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string oldNs = initialDefaultNamespace;
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if (defaultNamespace == null) defaultNamespace = initialDefaultNamespace;
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if (defaultNamespace == null) defaultNamespace = string.Empty;
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initialDefaultNamespace = defaultNamespace;
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XmlTypeMapping map;
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switch (typeData.SchemaType) {
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case SchemaTypes.Class: map = ImportClassMapping (typeData, defaultNamespace); break;
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case SchemaTypes.Array: map = ImportListMapping (typeData, defaultNamespace); break;
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case SchemaTypes.XmlNode: throw CreateTypeException (typeData.Type);
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case SchemaTypes.Primitive: map = ImportPrimitiveMapping (typeData, defaultNamespace); break;
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case SchemaTypes.Enum: map = ImportEnumMapping (typeData, defaultNamespace); break;
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case SchemaTypes.XmlSerializable:
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default: throw new NotSupportedException ("Type " + typeData.Type.FullName + " not supported for XML serialization");
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}
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map.RelatedMaps = relatedMaps;
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map.Format = SerializationFormat.Encoded;
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Type[] extraTypes = includedTypes != null ? (Type[])includedTypes.ToArray(typeof(Type)) : null;
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map.Source = new SoapTypeSerializationSource (typeData.Type, attributeOverrides, defaultNamespace, extraTypes);
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initialDefaultNamespace = oldNs;
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return map;
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}
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XmlTypeMapping CreateTypeMapping (TypeData typeData, string defaultXmlType, string defaultNamespace)
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{
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string membersNamespace = defaultNamespace;
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bool includeInSchema = true;
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SoapAttributes atts = null;
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if (defaultXmlType == null) defaultXmlType = typeData.XmlType;
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if (!typeData.IsListType)
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{
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if (attributeOverrides != null)
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atts = attributeOverrides[typeData.Type];
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if (atts != null && typeData.SchemaType == SchemaTypes.Primitive)
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throw new InvalidOperationException ("SoapType attribute may not be specified for the type " + typeData.FullTypeName);
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}
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if (atts == null)
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atts = new SoapAttributes (typeData.Type);
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if (atts.SoapType != null)
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{
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if (atts.SoapType.Namespace != null && atts.SoapType.Namespace != string.Empty)
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membersNamespace = atts.SoapType.Namespace;
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if (atts.SoapType.TypeName != null && atts.SoapType.TypeName != string.Empty)
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defaultXmlType = XmlConvert.EncodeLocalName (atts.SoapType.TypeName);
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includeInSchema = atts.SoapType.IncludeInSchema;
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}
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if (membersNamespace == null) membersNamespace = "";
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XmlTypeMapping map = new XmlTypeMapping (defaultXmlType, membersNamespace, typeData, defaultXmlType, membersNamespace);
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map.IncludeInSchema = includeInSchema;
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relatedMaps.Add (map);
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return map;
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}
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XmlTypeMapping ImportClassMapping (Type type, string defaultNamespace)
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{
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TypeData typeData = TypeTranslator.GetTypeData (type);
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return ImportClassMapping (typeData, defaultNamespace);
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}
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XmlTypeMapping ImportClassMapping (TypeData typeData, string defaultNamespace)
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{
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Type type = typeData.Type;
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if (type.IsValueType) throw CreateStructException (type);
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if (type == typeof (object)) defaultNamespace = XmlSchema.Namespace;
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ReflectionHelper.CheckSerializableType (type, false);
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XmlTypeMapping map = helper.GetRegisteredClrType (type, GetTypeNamespace (typeData, defaultNamespace));
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if (map != null) return map;
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map = CreateTypeMapping (typeData, null, defaultNamespace);
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helper.RegisterClrType (map, type, map.Namespace);
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map.MultiReferenceType = true;
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ClassMap classMap = new ClassMap ();
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map.ObjectMap = classMap;
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// Import members
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ICollection members = GetReflectionMembers (type);
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foreach (XmlReflectionMember rmember in members) {
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if (rmember.SoapAttributes.SoapIgnore) continue;
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classMap.AddMember (CreateMapMember (rmember, defaultNamespace));
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}
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// Import included classes
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SoapIncludeAttribute[] includes = (SoapIncludeAttribute[])type.GetCustomAttributes (typeof (SoapIncludeAttribute), false);
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for (int n=0; n<includes.Length; n++)
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{
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Type includedType = includes[n].Type;
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ImportTypeMapping (includedType);
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}
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if (type == typeof (object) && includedTypes != null)
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{
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foreach (Type intype in includedTypes)
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map.DerivedTypes.Add (ImportTypeMapping (intype));
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}
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// Register inheritance relations
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if (type.BaseType != null)
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{
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XmlTypeMapping bmap = ImportClassMapping (type.BaseType, defaultNamespace);
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if (type.BaseType != typeof (object))
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map.BaseMap = bmap;
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// At this point, derived classes of this map must be already registered
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RegisterDerivedMap (bmap, map);
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}
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return map;
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}
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void RegisterDerivedMap (XmlTypeMapping map, XmlTypeMapping derivedMap)
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{
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map.DerivedTypes.Add (derivedMap);
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map.DerivedTypes.AddRange (derivedMap.DerivedTypes);
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if (map.BaseMap != null)
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RegisterDerivedMap (map.BaseMap, derivedMap);
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else {
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XmlTypeMapping obmap = ImportTypeMapping (typeof(object));
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if (obmap != map)
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obmap.DerivedTypes.Add (derivedMap);
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}
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}
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string GetTypeNamespace (TypeData typeData, string defaultNamespace)
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{
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string membersNamespace = defaultNamespace;
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SoapAttributes atts = null;
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if (!typeData.IsListType)
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{
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if (attributeOverrides != null)
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atts = attributeOverrides[typeData.Type];
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}
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if (atts == null)
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atts = new SoapAttributes (typeData.Type);
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if (atts.SoapType != null)
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{
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if (atts.SoapType.Namespace != null && atts.SoapType.Namespace != string.Empty)
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membersNamespace = atts.SoapType.Namespace;
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}
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if (membersNamespace == null) return "";
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else return membersNamespace;
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}
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XmlTypeMapping ImportListMapping (TypeData typeData, string defaultNamespace)
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{
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Type type = typeData.Type;
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XmlTypeMapping map = helper.GetRegisteredClrType (type, XmlSerializer.EncodingNamespace);
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if (map != null) return map;
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ListMap obmap = new ListMap ();
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TypeData itemTypeData = typeData.ListItemTypeData;
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map = CreateTypeMapping (typeData, "Array", XmlSerializer.EncodingNamespace);
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helper.RegisterClrType (map, type, XmlSerializer.EncodingNamespace);
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map.MultiReferenceType = true;
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map.ObjectMap = obmap;
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XmlTypeMapElementInfo elem = new XmlTypeMapElementInfo (null, itemTypeData);
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if (elem.TypeData.IsComplexType) {
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elem.MappedType = ImportTypeMapping (typeData.ListItemType, defaultNamespace);
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elem.TypeData = elem.MappedType.TypeData;
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}
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elem.ElementName = "Item";
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elem.Namespace = string.Empty;
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elem.IsNullable = true; // By default, items are nullable
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XmlTypeMapElementInfoList list = new XmlTypeMapElementInfoList();
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list.Add (elem);
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obmap.ItemInfo = list;
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XmlTypeMapping objMap = ImportTypeMapping (typeof(object), defaultNamespace);
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objMap.DerivedTypes.Add (map);
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// Register any of the including types as a derived class of object
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SoapIncludeAttribute[] includes = (SoapIncludeAttribute[])type.GetCustomAttributes (typeof (SoapIncludeAttribute), false);
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for (int i = 0; i < includes.Length; i++)
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{
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Type includedType = includes[i].Type;
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objMap.DerivedTypes.Add(ImportTypeMapping (includedType, defaultNamespace));
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}
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return map;
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}
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XmlTypeMapping ImportPrimitiveMapping (TypeData typeData, string defaultNamespace)
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{
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if (typeData.SchemaType == SchemaTypes.Primitive)
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defaultNamespace = typeData.IsXsdType ? XmlSchema.Namespace : XmlSerializer.WsdlTypesNamespace;
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Type type = typeData.Type;
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XmlTypeMapping map = helper.GetRegisteredClrType (type, GetTypeNamespace (typeData, defaultNamespace));
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if (map != null) return map;
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map = CreateTypeMapping (typeData, null, defaultNamespace);
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helper.RegisterClrType (map, type, map.Namespace);
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return map;
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}
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XmlTypeMapping ImportEnumMapping (TypeData typeData, string defaultNamespace)
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{
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Type type = typeData.Type;
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XmlTypeMapping map = helper.GetRegisteredClrType (type, GetTypeNamespace (typeData, defaultNamespace));
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if (map != null) return map;
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ReflectionHelper.CheckSerializableType (type, false);
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map = CreateTypeMapping (typeData, null, defaultNamespace);
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helper.RegisterClrType (map, type, map.Namespace);
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map.MultiReferenceType = true;
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string [] names = Enum.GetNames (type);
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EnumMap.EnumMapMember[] members = new EnumMap.EnumMapMember[names.Length];
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for (int n=0; n<names.Length; n++)
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{
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FieldInfo field = type.GetField (names[n]);
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string xmlName = names[n];
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object[] atts = field.GetCustomAttributes (typeof(SoapEnumAttribute), false);
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if (atts.Length > 0) xmlName = ((SoapEnumAttribute)atts[0]).Name;
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long value = ((IConvertible) field.GetValue (null)).ToInt64 (CultureInfo.InvariantCulture);
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members[n] = new EnumMap.EnumMapMember (XmlConvert.EncodeLocalName (xmlName), names[n], value);
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}
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bool isFlags = type.IsDefined (typeof (FlagsAttribute), false);
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map.ObjectMap = new EnumMap (members, isFlags);
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ImportTypeMapping (typeof(object), defaultNamespace).DerivedTypes.Add (map);
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return map;
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}
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ICollection GetReflectionMembers (Type type)
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{
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ArrayList members = new ArrayList();
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PropertyInfo[] properties = type.GetProperties (BindingFlags.Instance | BindingFlags.Public);
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foreach (PropertyInfo prop in properties)
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{
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if (!prop.CanRead) continue;
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if (!prop.CanWrite && (TypeTranslator.GetTypeData (prop.PropertyType).SchemaType != SchemaTypes.Array || prop.PropertyType.IsArray))
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continue;
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SoapAttributes atts = attributeOverrides[type, prop.Name];
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if (atts == null) atts = new SoapAttributes (prop);
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if (atts.SoapIgnore) continue;
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XmlReflectionMember member = new XmlReflectionMember(prop.Name, prop.PropertyType, atts);
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members.Add (member);
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}
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FieldInfo[] fields = type.GetFields (BindingFlags.Instance | BindingFlags.Public);
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foreach (FieldInfo field in fields)
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{
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SoapAttributes atts = attributeOverrides[type, field.Name];
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if (atts == null) atts = new SoapAttributes (field);
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if (atts.SoapIgnore) continue;
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XmlReflectionMember member = new XmlReflectionMember(field.Name, field.FieldType, atts);
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members.Add (member);
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}
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return members;
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}
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private XmlTypeMapMember CreateMapMember (XmlReflectionMember rmember, string defaultNamespace)
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{
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XmlTypeMapMember mapMember;
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SoapAttributes atts = rmember.SoapAttributes;
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TypeData typeData = TypeTranslator.GetTypeData (rmember.MemberType);
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if (atts.SoapAttribute != null)
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{
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// An attribute
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if (typeData.SchemaType != SchemaTypes.Enum && typeData.SchemaType != SchemaTypes.Primitive) {
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throw new InvalidOperationException (string.Format (CultureInfo.InvariantCulture,
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"Cannot serialize member '{0}' of type {1}. " +
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"SoapAttribute cannot be used to encode complex types.",
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rmember.MemberName, typeData.FullTypeName));
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}
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if (atts.SoapElement != null)
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throw new Exception ("SoapAttributeAttribute and SoapElementAttribute cannot be applied to the same member");
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XmlTypeMapMemberAttribute mapAttribute = new XmlTypeMapMemberAttribute ();
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if (atts.SoapAttribute.AttributeName.Length == 0)
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mapAttribute.AttributeName = XmlConvert.EncodeLocalName (rmember.MemberName);
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else
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mapAttribute.AttributeName = XmlConvert.EncodeLocalName (atts.SoapAttribute.AttributeName);
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mapAttribute.Namespace = (atts.SoapAttribute.Namespace != null) ? atts.SoapAttribute.Namespace : "";
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if (typeData.IsComplexType)
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mapAttribute.MappedType = ImportTypeMapping (typeData.Type, defaultNamespace);
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typeData = TypeTranslator.GetTypeData (rmember.MemberType, atts.SoapAttribute.DataType);
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mapMember = mapAttribute;
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mapMember.DefaultValue = GetDefaultValue (typeData, atts.SoapDefaultValue);
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}
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else
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{
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if (typeData.SchemaType == SchemaTypes.Array) mapMember = new XmlTypeMapMemberList ();
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else mapMember = new XmlTypeMapMemberElement ();
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if (atts.SoapElement != null && atts.SoapElement.DataType.Length != 0)
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typeData = TypeTranslator.GetTypeData (rmember.MemberType, atts.SoapElement.DataType);
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// Creates an ElementInfo that identifies the element
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XmlTypeMapElementInfoList infoList = new XmlTypeMapElementInfoList();
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XmlTypeMapElementInfo elem = new XmlTypeMapElementInfo (mapMember, typeData);
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elem.ElementName = XmlConvert.EncodeLocalName ((atts.SoapElement != null && atts.SoapElement.ElementName.Length != 0) ? atts.SoapElement.ElementName : rmember.MemberName);
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elem.Namespace = string.Empty;
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elem.IsNullable = (atts.SoapElement != null) ? atts.SoapElement.IsNullable : false;
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if (typeData.IsComplexType)
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elem.MappedType = ImportTypeMapping (typeData.Type, defaultNamespace);
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infoList.Add (elem);
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((XmlTypeMapMemberElement)mapMember).ElementInfo = infoList;
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}
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mapMember.TypeData = typeData;
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mapMember.Name = rmember.MemberName;
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mapMember.IsReturnValue = rmember.IsReturnValue;
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return mapMember;
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}
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public void IncludeType (Type type)
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{
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if (type == null)
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throw new ArgumentNullException ("type");
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if (includedTypes == null) includedTypes = new ArrayList ();
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if (!includedTypes.Contains (type))
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includedTypes.Add (type);
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}
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public void IncludeTypes (ICustomAttributeProvider provider)
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{
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object[] ats = provider.GetCustomAttributes (typeof(SoapIncludeAttribute), true);
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foreach (SoapIncludeAttribute at in ats)
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IncludeType (at.Type);
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}
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Exception CreateTypeException (Type type)
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{
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return new NotSupportedException ("The type " + type.FullName + " may not be serialized with SOAP-encoded messages. Set the Use for your message to Literal");
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}
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Exception CreateStructException (Type type)
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{
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return new NotSupportedException ("Cannot serialize " + type.FullName + ". Nested structs are not supported with encoded SOAP");
|
|
}
|
|
|
|
private object GetDefaultValue (TypeData typeData, object defaultValue)
|
|
{
|
|
if (defaultValue == DBNull.Value || typeData.SchemaType != SchemaTypes.Enum)
|
|
return defaultValue;
|
|
|
|
if (typeData.Type != defaultValue.GetType ()) {
|
|
string msg = string.Format (CultureInfo.InvariantCulture,
|
|
"Enum {0} cannot be converted to {1}.",
|
|
defaultValue.GetType ().FullName, typeData.FullTypeName);
|
|
throw new InvalidOperationException (msg);
|
|
}
|
|
|
|
// get string representation of enum value
|
|
string namedValue = Enum.Format (typeData.Type, defaultValue, "g");
|
|
// get decimal representation of enum value
|
|
string decimalValue = Enum.Format (typeData.Type, defaultValue, "d");
|
|
|
|
// if decimal representation matches string representation, then
|
|
// the value is not defined in the enum type (as the "g" format
|
|
// will return the decimal equivalent of the value if the value
|
|
// is not equal to a combination of named enumerated constants
|
|
if (namedValue == decimalValue) {
|
|
string msg = string.Format (CultureInfo.InvariantCulture,
|
|
"Value '{0}' cannot be converted to {1}.", defaultValue,
|
|
defaultValue.GetType ().FullName);
|
|
throw new InvalidOperationException (msg);
|
|
}
|
|
|
|
// XmlSerializer expects integral enum value
|
|
//return namedValue.Replace (',', ' ');
|
|
return defaultValue;
|
|
}
|
|
|
|
#endregion // Methods
|
|
}
|
|
}
|