|
public GetProperty ( String propertyName ) : |
||
| propertyName | String | |
| return | ||
/// <summary>
/// TODO: Summary
/// </summary>
/// <param name="name"></param>
/// <returns></returns>
public Object GetAttributeValue(String name)
{
if (name == null)
{
throw new ArgumentNullException("name");
}
ManagementAttribute attribute = (ManagementAttribute)info.Attributes[name];
if (attribute == null)
{
throw new InvalidOperationException(String.Format("Attribute {0} doesn't exists.", name));
}
PropertyInfo property = resolver.GetProperty(attribute.Name);
if (!property.CanRead)
{
throw new InvalidOperationException(String.Format("Attribute {0} can't be read.", name));
}
MethodInfo getMethod = property.GetGetMethod();
return(getMethod.Invoke(instance, null));
}
private void BuildGetAttributeMethod(CodeTypeDeclaration typeDefinition)
{
CodeMemberMethod method = new CodeMemberMethod();
method.Attributes = MemberAttributes.Public;
method.Name = "GetAttributeValue";
method.ReturnType = new CodeTypeReference(typeof(Object));
method.Parameters.Add(new CodeParameterDeclarationExpression(
typeof(String), "name"));
CodeArgumentReferenceExpression nameArgument =
new CodeArgumentReferenceExpression("name");
CodeThisReferenceExpression thisRef =
new CodeThisReferenceExpression();
foreach (ManagementAttribute attribute in info.Attributes)
{
CodeConditionStatement stmt = new CodeConditionStatement();
stmt.Condition =
new CodeMethodInvokeExpression(nameArgument, "Equals",
new CodeSnippetExpression("\"" + attribute.Name + "\""));
PropertyInfo property = resolver.GetProperty(attribute.Name);
if (!property.CanRead)
{
// TODO: Adds throw
continue;
}
CodeMethodReturnStatement returnStmt = new CodeMethodReturnStatement();
returnStmt.Expression =
new CodePropertyReferenceExpression(
new CodeFieldReferenceExpression(
thisRef, "instance"), attribute.Name);
stmt.TrueStatements.Add(returnStmt);
method.Statements.Add(stmt);
}
{
CodeMethodReturnStatement returnStmt = new CodeMethodReturnStatement();
returnStmt.Expression = new CodeSnippetExpression("null");
method.Statements.Add(returnStmt);
}
typeDefinition.Members.Add(method);
}
