SoapIgnoreAttribute Class
Assembly: System.Xml (in system.xml.dll)
'Declaration <AttributeUsageAttribute(AttributeTargets.Property Or AttributeTargets.Field Or AttributeTargets.Parameter Or AttributeTargets.ReturnValue)> _ Public Class SoapIgnoreAttribute Inherits Attribute 'Usage Dim instance As SoapIgnoreAttribute
/** @attribute AttributeUsageAttribute(AttributeTargets.Property|AttributeTargets.Field|AttributeTargets.Parameter|AttributeTargets.ReturnValue) */ public class SoapIgnoreAttribute extends Attribute
AttributeUsageAttribute(AttributeTargets.Property|AttributeTargets.Field|AttributeTargets.Parameter|AttributeTargets.ReturnValue) public class SoapIgnoreAttribute extends Attribute
Not applicable.
The SoapIgnoreAttribute class belongs to a family of attributes that controls how the XmlSerializer serializes or deserializes an object as encoded SOAP XML. The resulting XML conforms to section 5 of the World Wide Web Consortium (www.w3.org) document, "Simple Object Access Protocol (SOAP) 1.1". For a complete list of similar attributes, see Attributes That Control Encoded SOAP Serialization.
To serialize an object as an encoded SOAP message, you must construct the XmlSerializer using an XmlTypeMapping created with the ImportTypeMapping method of the SoapReflectionImporter class.
Apply the SoapIgnoreAttribute to any class member that you want the XmlSerializer to ignore when an instance of the class is serialized. For example, you may do this when the member is used to contain metadata about the object being serialized.
For more information about using attributes, see Extending Metadata Using Attributes.
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| You can use the word SoapIgnore in your code instead of the longer SoapIgnoreAttribute. |
The following example serializes a class named Group. The serialization of the GroupName and IgnoreThis fields and the members of the GroupType enumeration are overridden. In the CreateOverrideSerializer method, a SoapAttributeOverrides is created, and for each overridden member or enumeration, a SoapAttributes is created with the appropriate property set and added to the SoapAttributeOverrides. An XmlTypeMapping is created using the SoapAttributeOverrides, and that XmlTypeMapping is used to create the XmlSerializer that overrides the default serialization.
Imports System Imports System.IO Imports System.Text Imports System.Xml Imports System.Xml.Serialization Imports System.Xml.Schema Public Class Group <SoapAttribute (Namespace:= "http:'www.cpandl.com")> _ Public GroupName As String <SoapAttribute(DataType:= "base64Binary")> _ Public GroupNumber() As Byte <SoapAttribute(DataType:= "date", _ AttributeName:= "CreationDate")> _ Public Today As DateTime <SoapElement(DataType:= "nonNegativeInteger", _ ElementName:= "PosInt")> _ Public PostitiveInt As String ' This is ignored when serialized unless it's overridden. <SoapIgnore> _ Public IgnoreThis As Boolean Public Grouptype As GroupType Public MyVehicle As Vehicle ' The SoapInclude allows the method to return a Car. <SoapInclude(GetType(Car))> _ Public Function myCar(licNumber As String ) As Vehicle Dim v As Vehicle if licNumber = "" Then v = New Car() v.licenseNumber = "!!!!!!" else v = New Car() v.licenseNumber = licNumber End If return v End Function End Class ' SoapInclude allows Vehicle to accept Car type. <SoapInclude(GetType(Car))> _ Public MustInherit class Vehicle Public licenseNumber As String Public makeDate As DateTime End Class Public Class Car Inherits Vehicle End Class Public enum GroupType ' These enums can be overridden. <SoapEnum("Small")> _ A <SoapEnum("Large")> _ B End Enum Public Class Run Shared Sub Main() Dim test As Run = New Run() test.SerializeOriginal("SoapOriginal.xml") test.SerializeOverride("SoapOverrides.xml") test.DeserializeOriginal("SoapOriginal.xml") test.DeserializeOverride("SoapOverrides.xml") End SUb Public Sub SerializeOriginal(filename As String) ' Create an instance of the XmlSerializer class. Dim myMapping As XmlTypeMapping = _ (New SoapReflectionImporter().ImportTypeMapping _ (GetType(Group))) Dim mySerializer As XmlSerializer = _ New XmlSerializer(myMapping) Dim myGroup As Group =MakeGroup() ' Writing the file requires a TextWriter. Dim writer As XmlTextWriter = _ New XmlTextWriter(filename, Encoding.UTF8) writer.Formatting = Formatting.Indented writer.WriteStartElement("wrapper") ' Serialize the class, and close the TextWriter. mySerializer.Serialize(writer, myGroup) writer.WriteEndElement() writer.Close() End Sub Public Sub SerializeOverride(filename As String) ' Create an instance of the XmlSerializer class ' that overrides the serialization. Dim overRideSerializer As XmlSerializer = _ CreateOverrideSerializer() Dim myGroup As Group =MakeGroup() ' Writing the file requires a TextWriter. Dim writer As XmlTextWriter = _ New XmlTextWriter(filename, Encoding.UTF8) writer.Formatting = Formatting.Indented writer.WriteStartElement("wrapper") ' Serialize the class, and close the TextWriter. overRideSerializer.Serialize(writer, myGroup) writer.WriteEndElement() writer.Close() End Sub private Function MakeGroup() As Group ' Create an instance of the class that will be serialized. Dim myGroup As Group = New Group() ' Set the object properties. myGroup.GroupName = ".NET" Dim hexByte()As Byte = new Byte(1){Convert.ToByte(100), _ Convert.ToByte(50)} myGroup.GroupNumber = hexByte Dim myDate As DateTime = new DateTime(2002,5,2) myGroup.Today = myDate myGroup.PostitiveInt = "10000" myGroup.IgnoreThis = true myGroup.Grouptype = GroupType.B Dim thisCar As Car thisCar =CType(myGroup.myCar("1234566"), Car) myGroup.myVehicle=thisCar return myGroup End Function Public Sub DeserializeOriginal(filename As String) ' Create an instance of the XmlSerializer class. Dim myMapping As XmlTypeMapping = _ (New SoapReflectionImporter().ImportTypeMapping _ (GetType(Group))) Dim mySerializer As XmlSerializer = _ New XmlSerializer(myMapping) ' Reading the file requires an XmlTextReader. Dim reader As XmlTextReader = _ New XmlTextReader(filename) reader.ReadStartElement("wrapper") ' Deserialize and cast the object. Dim myGroup As Group = _ CType(mySerializer.Deserialize(reader), Group) reader.ReadEndElement() reader.Close() End Sub Public Sub DeserializeOverride(filename As String) ' Create an instance of the XmlSerializer class. Dim overRideSerializer As XmlSerializer = _ CreateOverrideSerializer() ' Reading the file requires an XmlTextReader. Dim reader As XmlTextReader = _ New XmlTextReader(filename) reader.ReadStartElement("wrapper") ' Deserialize and cast the object. Dim myGroup As Group = _ CType(overRideSerializer.Deserialize(reader), Group) reader.ReadEndElement() reader.Close() ReadGroup(myGroup) End Sub private Sub ReadGroup(myGroup As Group) Console.WriteLine(myGroup.GroupName) Console.WriteLine(myGroup.GroupNumber(0)) Console.WriteLine(myGroup.GroupNumber(1)) Console.WriteLine(myGroup.Today) Console.WriteLine(myGroup.PostitiveInt) Console.WriteLine(myGroup.IgnoreThis) Console.WriteLine() End Sub Private Function CreateOverrideSerializer() As XmlSerializer Dim soapOver As SoapAttributeOverrides = New SoapAttributeOverrides() Dim soapAtts As SoapAttributes = New SoapAttributes() Dim mySoapElement As SoapElementAttribute = New SoapElementAttribute() mySoapElement.ElementName = "xxxx" soapAtts.SoapElement = mySoapElement soapOver.Add(GetType(Group), "PostitiveInt", soapAtts) ' Override the IgnoreThis property. Dim myIgnore As SoapIgnoreAttribute = new SoapIgnoreAttribute() soapAtts = New SoapAttributes() soapAtts.SoapIgnore = false soapOver.Add(GetType(Group), "IgnoreThis", soapAtts) ' Override the GroupType enumeration. soapAtts = New SoapAttributes() Dim xSoapEnum As SoapEnumAttribute = new SoapEnumAttribute() xSoapEnum.Name = "Over1000" soapAtts.SoapEnum = xSoapEnum ' Add the SoapAttributes to the SoapOverrides object. soapOver.Add(GetType(GroupType), "A", soapAtts) ' Create second enumeration and add it. soapAtts = New SoapAttributes() xSoapEnum = New SoapEnumAttribute() xSoapEnum.Name = "ZeroTo1000" soapAtts.SoapEnum = xSoapEnum soapOver.Add(GetType(GroupType), "B", soapAtts) ' Override the Group type. soapAtts = New SoapAttributes() Dim soapType As SoapTypeAttribute = New SoapTypeAttribute() soapType.TypeName = "Team" soapAtts.SoapType = soapType soapOver.Add(GetType(Group),soapAtts) Dim myMapping As XmlTypeMapping = (New SoapReflectionImporter( _ soapOver)).ImportTypeMapping(GetType(Group)) Dim ser As XmlSerializer = new XmlSerializer(myMapping) return ser End Function End Class
import System.*;
import System.IO.*;
import System.Text.*;
import System.Xml.*;
import System.Xml.Serialization.*;
import System.Xml.Schema.*;
public class Group
{
/** @attribute SoapAttribute(Namespace = "http://www.cpandl.com")
*/
public String groupName;
/** @attribute SoapAttribute(DataType = "base64Binary")
*/
public System.Byte groupNumber[];
/** @attribute SoapAttribute(DataType = "date",
AttributeName = "CreationDate")
*/
public DateTime today;
/** @attribute SoapElement(DataType = "nonNegativeInteger",
ElementName = "PosInt")
*/
public String postitiveInt;
// This is ignored when serialized unless it's overridden.
/** @attribute SoapIgnore()
*/
public boolean ignoreThis;
public GroupType groupType;
public Vehicle myVehicle;
// The SoapInclude allows the method to return a Car.
/** @attribute SoapInclude(Car.class)
*/
public Vehicle MyCar(String licNumber)
{
Vehicle v;
if (licNumber.Equals("")) {
v = new Car();
v.licenseNumber = "!!!!!!";
}
else {
v = new Car();
v.licenseNumber = licNumber;
}
return v;
} //MyCar
} //Group
// SoapInclude allows Vehicle to accept Car type.
/** @attribute SoapInclude(Car.class)
*/
abstract public class Vehicle
{
public String licenseNumber;
public DateTime makeDate;
} //Vehicle
public class Car extends Vehicle
{
} //Car
public class GroupType
{
public int member;
public GroupType()
{
member = 0;
} //GroupType
public GroupType(int n)
{
member = n;
} //GroupType
/** @attribute SoapEnum("Small")
*/
public static int a = 0;
/** @attribute SoapEnum("Large")
*/
public static int b = 1;
} //GroupType
public class Run
{
public static void main(String[] args)
{
Run test = new Run();
test.SerializeOriginal("SoapOriginal.xml");
test.SerializeOverride("SoapOverrides.xml");
test.DeserializeOriginal("SoapOriginal.xml");
test.DeserializeOverride("SoapOverrides.xml");
} //main
public void SerializeOriginal(String fileName)
{
// Create an instance of the XmlSerializer class.
XmlTypeMapping myMapping = (new SoapReflectionImporter()).
ImportTypeMapping(Group.class.ToType());
XmlSerializer mySerializer = new XmlSerializer(myMapping);
Group myGroup = MakeGroup();
// Writing the file requires a TextWriter.
XmlTextWriter writer = new XmlTextWriter(fileName,
Encoding.get_UTF8());
writer.set_Formatting(Formatting.Indented);
writer.WriteStartElement("wrapper");
// Serialize the class, and close the TextWriter.
mySerializer.Serialize(writer, myGroup);
writer.WriteEndElement();
writer.Close();
} //SerializeOriginal
public void SerializeOverride(String fileName)
{
// Create an instance of the XmlSerializer class
// that overrides the serialization.
XmlSerializer overRideSerializer = CreateOverrideSerializer();
Group myGroup = MakeGroup();
// Writing the file requires a TextWriter.
XmlTextWriter writer = new XmlTextWriter(fileName,
Encoding.get_UTF8());
writer.set_Formatting(Formatting.Indented);
writer.WriteStartElement("wrapper");
// Serialize the class, and close the TextWriter.
overRideSerializer.Serialize(writer, myGroup);
writer.WriteEndElement();
writer.Close();
} //SerializeOverride
private Group MakeGroup()
{
// Create an instance of the class that will be serialized.
Group myGroup = new Group();
// Set the object properties.
myGroup.groupName = ".NET";
System.Byte hexByte[] = new System.Byte[] { (System.Byte)100,
(System.Byte)50 };
myGroup.groupNumber = hexByte;
DateTime myDate = new DateTime(2002, 5, 2);
myGroup.today = myDate;
myGroup.postitiveInt = "10000";
myGroup.ignoreThis = true;
myGroup.groupType = new GroupType(GroupType.b);
Car thisCar = (Car)myGroup.MyCar("1234566");
myGroup.myVehicle = thisCar;
return myGroup;
} //MakeGroup
public void DeserializeOriginal(String fileName)
{
// Create an instance of the XmlSerializer class.
XmlTypeMapping myMapping = (new SoapReflectionImporter()).
ImportTypeMapping(Group.class.ToType());
XmlSerializer mySerializer = new XmlSerializer(myMapping);
// Reading the file requires an XmlTextReader.
XmlTextReader reader = new XmlTextReader(fileName);
reader.ReadStartElement("wrapper");
// Deserialize and cast the object.
Group myGroup;
myGroup = (Group)mySerializer.Deserialize(reader);
reader.ReadEndElement();
reader.Close();
} //DeserializeOriginal
public void DeserializeOverride(String fileName)
{
// Create an instance of the XmlSerializer class.
XmlSerializer overRideSerializer = CreateOverrideSerializer();
// Reading the file requires an XmlTextReader.
XmlTextReader reader = new XmlTextReader(fileName);
reader.ReadStartElement("wrapper");
// Deserialize and cast the object.
Group myGroup;
myGroup = (Group)overRideSerializer.Deserialize(reader);
reader.ReadEndElement();
reader.Close();
ReadGroup(myGroup);
} //DeserializeOverride
private void ReadGroup(Group myGroup)
{
Console.WriteLine(myGroup.groupName);
Console.WriteLine(myGroup.groupNumber.get_Item(0));
Console.WriteLine(myGroup.groupNumber.get_Item(1));
Console.WriteLine(myGroup.today);
Console.WriteLine(myGroup.postitiveInt);
Console.WriteLine(myGroup.ignoreThis);
Console.WriteLine();
} //ReadGroup
private XmlSerializer CreateOverrideSerializer()
{
SoapAttributeOverrides mySoapAttributeOverrides
= new SoapAttributeOverrides();
SoapAttributes soapAtts = new SoapAttributes();
SoapElementAttribute mySoapElement = new SoapElementAttribute();
mySoapElement.set_ElementName("xxxx");
soapAtts.set_SoapElement(mySoapElement);
mySoapAttributeOverrides.Add(Group.class.ToType(), "postitiveInt",
soapAtts);
// Override the ignoreThis property.
SoapIgnoreAttribute myIgnore = new SoapIgnoreAttribute();
soapAtts = new SoapAttributes();
soapAtts.set_SoapIgnore(false);
mySoapAttributeOverrides.Add(Group.class.ToType(), "ignoreThis",
soapAtts);
// Override the GroupType enumeration.
soapAtts = new SoapAttributes();
SoapEnumAttribute xSoapEnum = new SoapEnumAttribute();
xSoapEnum.set_Name("Over1000");
soapAtts.set_SoapEnum(xSoapEnum);
// Add the SoapAttributes to the
// mySoapAttributeOverridesrides object.
mySoapAttributeOverrides.Add(GroupType.class.ToType(), "a", soapAtts);
// Create second enumeration and add it.
soapAtts = new SoapAttributes();
xSoapEnum = new SoapEnumAttribute();
xSoapEnum.set_Name("ZeroTo1000");
soapAtts.set_SoapEnum(xSoapEnum);
mySoapAttributeOverrides.Add(GroupType.class.ToType(), "b", soapAtts);
// Override the Group type.
soapAtts = new SoapAttributes();
SoapTypeAttribute soapType = new SoapTypeAttribute();
soapType.set_TypeName("Team");
soapAtts.set_SoapType(soapType);
mySoapAttributeOverrides.Add(Group.class.ToType(), soapAtts);
// Create an XmlTypeMapping that is used to create an instance
// of the XmlSerializer. Then return the XmlSerializer object.
XmlTypeMapping myMapping = new SoapReflectionImporter(
mySoapAttributeOverrides).ImportTypeMapping(Group.class.ToType());
XmlSerializer ser = new XmlSerializer(myMapping);
return ser;
} //CreateOverrideSerializer
} //Run
Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.
Note: