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GetDomains.cs
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GetDomains.cs
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Collections.Specialized;
using System.Runtime.InteropServices;
using ESRI.ArcGIS.esriSystem;
using ESRI.ArcGIS.Server;
using ESRI.ArcGIS.Geometry;
using ESRI.ArcGIS.Geodatabase;
using ESRI.ArcGIS.Carto;
using ESRI.ArcGIS.SOESupport;
using ESRI.ArcGIS.DataSourcesGDB;
//TODO: sign the project (project properties > signing tab > sign the assembly)
// this is strongly suggested if the dll will be registered using regasm.exe <your>.dll /codebase
namespace GetDomains
{
[ComVisible(true)]
[Guid("cbb09029-e5fd-4bd4-8cf6-f862c2af64fa")]
[ClassInterface(ClassInterfaceType.None)]
[ServerObjectExtension("MapServer",
AllCapabilities = "ReportDomains,MakeDomainOptions",
DefaultCapabilities = "ReportDomains,MakeDomainOptions",
Description = "Get Domain values for a featureclass",
DisplayName = "GetDomains",
Properties = "Server=Venus;Instance=5264;Database=*****;Version=SDE.DEFAULT;User=***;Password=***;",
//HasManagerPropertiesConfigurationPane = true,
SupportsREST = true,
SupportsSOAP = false)]
public class GetDomains : IServerObjectExtension, IObjectConstruct, IRESTRequestHandler
{
private string soe_name;
private IPropertySet configProps;
private IServerObjectHelper serverObjectHelper;
private ServerLogger logger;
private IRESTRequestHandler reqHandler;
string strServer, strInstance, strDatabase, strVersion, strUser, strPasswd;
public GetDomains()
{
soe_name = this.GetType().Name;
logger = new ServerLogger();
reqHandler = new SoeRestImpl(soe_name, CreateRestSchema()) as IRESTRequestHandler;
}
#region IServerObjectExtension Members
public void Init(IServerObjectHelper pSOH)
{
//System.Diagnostics.Debugger.Launch();
serverObjectHelper = pSOH;
}
public void Shutdown()
{
}
#endregion
#region IObjectConstruct Members
public void Construct(IPropertySet props)
{
configProps = props;
strServer = props.GetProperty("Server").ToString();
strInstance = props.GetProperty("Instance").ToString();
strDatabase = props.GetProperty("Database").ToString();
strVersion = props.GetProperty("Version").ToString();
strUser = props.GetProperty("User").ToString();
strPasswd = props.GetProperty("Password").ToString();
}
#endregion
#region IRESTRequestHandler Members
public string GetSchema()
{
return reqHandler.GetSchema();
}
public byte[] HandleRESTRequest(string Capabilities, string resourceName, string operationName, string operationInput, string outputFormat, string requestProperties, out string responseProperties)
{
return reqHandler.HandleRESTRequest(Capabilities, resourceName, operationName, operationInput, outputFormat, requestProperties, out responseProperties);
}
#endregion
private RestResource CreateRestSchema()
{
RestResource rootRes = new RestResource(soe_name, false, RootResHandler);
RestOperation ReportDomainsOper = new RestOperation("ReportDomains",
new string[] { "SDEName" },
new string[] { "json" },
ReportDomainsHandler);
rootRes.operations.Add(ReportDomainsOper);
RestOperation MakeDomainOptions = new RestOperation("MakeDomainOptions",
new string[] { "SDEName", "fieldname" },
new string[] { "json" },
MakeDomainOptionsHandler);
rootRes.operations.Add(MakeDomainOptions);
return rootRes;
}
private byte[] RootResHandler(NameValueCollection boundVariables, string outputFormat, string requestProperties, out string responseProperties)
{
responseProperties = null;
JsonObject result = new JsonObject();
//result.AddString("hello", "world");
return Encoding.UTF8.GetBytes(result.ToJson());
}
private byte[] ReportDomainsHandler(NameValueCollection boundVariables,
JsonObject operationInput,
string outputFormat,
string requestProperties,
out string responseProperties)
{
responseProperties = null;
string strSDELayerName;
bool found = operationInput.TryGetString("SDEName", out strSDELayerName);
if (!found || string.IsNullOrEmpty(strSDELayerName))
throw new ArgumentNullException("SDEName");
IStandaloneTable pStandAloneTable = GetLayerfromSDE(strSDELayerName);
IField pField;
Dictionary<string, Dictionary<string, string>> dicResults = new Dictionary<string, Dictionary<string, string>>();
Dictionary<string, string> dicDomainValues;
for (int i = 0; i <= pStandAloneTable.Table.Fields.FieldCount - 1; i++)
{
pField = pStandAloneTable.Table.Fields.get_Field(i);
IDomain pDomain;
pDomain = pField.Domain;
if (pDomain != null)
{
//PrintDomainValues(pField.Name, pDomain.DomainID);
dicDomainValues = new Dictionary<string, string>();
ICodedValueDomain pCodedValueDomain;
pCodedValueDomain = pDomain as ICodedValueDomain;
if (pCodedValueDomain != null)
{
//Console.WriteLine(pField.Name + ": " + pDomain.DomainID.ToString());
//Console.WriteLine("------------------------------------------");
for (int k = 0; k <= pCodedValueDomain.CodeCount - 1; k++)
{
string name = pCodedValueDomain.get_Value(k).ToString();
string value = pCodedValueDomain.get_Name(k).ToString();
dicDomainValues.Add(name, value);
//Console.WriteLine(name + ", " + value);
}
//Console.WriteLine("------------------------------------------");
//Console.WriteLine(Environment.NewLine);
dicResults.Add(pField.Name, dicDomainValues);
}
}
}
JsonObject result = new JsonObject();
result.AddObject("Domains", dicResults);
//result.AddString("SDEName", strSDELayerName);
return Encoding.UTF8.GetBytes(result.ToJson());
}
private byte[] MakeDomainOptionsHandler(NameValueCollection boundVariables,
JsonObject operationInput,
string outputFormat,
string requestProperties,
out string responseProperties)
{
responseProperties = null;
string strSDELayerName;
bool found = operationInput.TryGetString("SDEName", out strSDELayerName);
if (!found || string.IsNullOrEmpty(strSDELayerName))
throw new ArgumentNullException("SDEName");
string strFieldName;
found = operationInput.TryGetString("fieldname", out strFieldName);
if (!found || string.IsNullOrEmpty(strSDELayerName))
throw new ArgumentNullException("fieldname");
IStandaloneTable pStandAloneTable = GetLayerfromSDE(strSDELayerName);
IField pField;
Dictionary<string, string> dicDomainValues;
option opt = new option();
opt.Result = "OK";
List<Dictionary<string, string>> lstDics = new List<Dictionary<string, string>>();
int iFieldIndex = pStandAloneTable.Table.Fields.FindField(strFieldName);
if (iFieldIndex != -1)
{
pField = pStandAloneTable.Table.Fields.get_Field(iFieldIndex);
IDomain pDomain;
pDomain = pField.Domain;
if (pDomain != null)
{
ICodedValueDomain pCodedValueDomain;
pCodedValueDomain = pDomain as ICodedValueDomain;
if (pCodedValueDomain != null)
{
for (int k = 0; k <= pCodedValueDomain.CodeCount - 1; k++)
{
dicDomainValues = new Dictionary<string, string>();
string name = pCodedValueDomain.get_Value(k).ToString();
string value = pCodedValueDomain.get_Name(k).ToString();
dicDomainValues.Add("DisplayText", value);
dicDomainValues.Add("Value", name);
lstDics.Add(dicDomainValues);
}
}
}
}
else
{
opt.Result = "Field not found";
}
JsonObject result = new JsonObject();
result.AddString("Result", opt.Result);
result.AddObject("Options", lstDics);
return Encoding.UTF8.GetBytes(result.ToJson());
}
private IStandaloneTable GetLayerfromSDE(string FClassName)
{
string strSDEConnString = String.Format("server={0};instance={1};user={2};password={3};version={4}",strServer,strInstance,strUser,strPasswd,strVersion);
IWorkspaceFactory2 pWorkFact = new SdeWorkspaceFactoryClass();
IFeatureWorkspace pFWorkspace = pWorkFact.OpenFromString(strSDEConnString, 0) as IFeatureWorkspace;
ITable ptable = pFWorkspace.OpenTable(FClassName);
IStandaloneTable pStandAloneTable = new StandaloneTableClass();
pStandAloneTable.Table = ptable;
return pStandAloneTable;
}
}
public class option
{
public string Result { get; set; }
public List<Dictionary<string, string>> Options { get; set; }
}
}