コード例 #1
0
ファイル: ExecuteLoadProcedure.cs プロジェクト: kanbang/Colt
        private string[] ExecuteShpLoadProcedure(LengthyOperationProgressCallBack cb, IShpLoadProcedure shpl, ref bool firstExecution)
        {
            List<string> resCreatedOrUpdated = new List<string>();

            var shpFiles = shpl.SourceFile;
            int pcPerFile = (int)(100 / shpFiles.Count);
            int current = 0;

            string root = shpl.RootPath;
            if (!root.EndsWith("/")) //NOXLATE
                root += "/"; //NOXLATE

            string sdp = shpl.SpatialDataSourcesPath;
            string lp = shpl.LayersPath;

            if (!string.IsNullOrEmpty(sdp))
            {
                if (!sdp.EndsWith("/")) //NOXLATE
                    sdp += "/"; //NOXLATE
            }

            if (!string.IsNullOrEmpty(lp))
            {
                if (!lp.EndsWith("/")) //NOXLATE
                    lp += "/"; //NOXLATE
            }

            string fsRoot = (string.IsNullOrEmpty(sdp) ? root : sdp) + shpl.SpatialDataSourcesFolder;
            string layerRoot = (string.IsNullOrEmpty(lp) ? root : lp) + shpl.LayersFolder;

            if (!fsRoot.EndsWith("/")) //NOXLATE
                fsRoot += "/"; //NOXLATE
            if (!layerRoot.EndsWith("/")) //NOXLATE
                layerRoot += "/"; //NOXLATE

            List<string> resToUpdate = new List<string>();
            if (shpl.ResourceId != null)
            {
                resToUpdate.AddRange(shpl.ResourceId);
                firstExecution = false;
            }
            else
            {
                firstExecution = true;
            }

            Dictionary<string, List<string>> extraFiles = new Dictionary<string, List<string>>();
            //Unlike SDF, a SHP file actually consists of multiple files
            foreach (string shp in shpFiles)
            {
                if (!extraFiles.ContainsKey(shp))
                    extraFiles[shp] = new List<string>();
                //we want to preserve casing for everything before the extension
                string prefix = shp.Substring(0, shp.LastIndexOf(".") + 1); //NOXLATE
                extraFiles[shp].Add(prefix + "shx"); //NOXLATE
                extraFiles[shp].Add(prefix + "dbf"); //NOXLATE
                extraFiles[shp].Add(prefix + "idx"); //NOXLATE
                extraFiles[shp].Add(prefix + "prj"); //NOXLATE
                extraFiles[shp].Add(prefix + "cpg"); //NOXLATE

                //TODO: Are we missing anything else?
            }

            foreach (string file in shpFiles)
            {
                bool success = false;
                if (System.IO.File.Exists(file))
                {
                    string resName = System.IO.Path.GetFileNameWithoutExtension(file);
                    string dataName = System.IO.Path.GetFileName(file);

                    string fsId = fsRoot + resName + ".FeatureSource"; //NOXLATE
                    string lyrId = layerRoot + resName + ".LayerDefinition"; //NOXLATE

                    if (shpl.GenerateSpatialDataSources)
                    {
                        //Skip only if we have an update list and this resource id is not in it
                        bool skip = (resToUpdate.Count > 0 && !resToUpdate.Contains(fsId));
                        if (!skip)
                        {
                            //Process is as follows:
                            //
                            // 1. Create and save feature source document.
                            // 2. Upload sdf file as resource data for this document.
                            // 3. Test the connection, it should check out.
                            // 4. If no spatial contexts are detected, assign a default one from the load procedure and save the modified feature source.

                            //Step 1: Create feature source document
                            var conp = new NameValueCollection();
                            conp["DefaultFileLocation"] = StringConstants.MgDataFilePath + dataName; //NOXLATE
                            var fs = ObjectFactory.CreateFeatureSource(this.Parent, "OSGeo.SHP", conp); //NOXLATE
                            fs.ResourceID = fsId;

                            this.Parent.ResourceService.SaveResource(fs);
                            resCreatedOrUpdated.Add(fsId);
                            cb(this, new LengthyOperationProgressArgs(string.Format(Strings.TemplateCreated, fsId), current));

                            //TODO: When the infrastructure is available to us (ie. A portable .net FDO/MG Feature Service API wrapper)
                            //Maybe then we can actually implement the generalization and conversion properties. Until then, we skip
                            //these options

                            //Step 2: Load resource data for document
                            this.Parent.ResourceService.SetResourceData(fsId, dataName, ResourceDataType.File, System.IO.File.OpenRead(file));

                            cb(this, new LengthyOperationProgressArgs(string.Format(Strings.TemplateLoaded, file), current));

                            //Load supplementary files
                            foreach (string extraFile in extraFiles[file])
                            {
                                string dn = System.IO.Path.GetFileName(extraFile);
                                if (System.IO.File.Exists(extraFile))
                                {
                                    this.Parent.ResourceService.SetResourceData(fsId, dn, ResourceDataType.File, System.IO.File.OpenRead(extraFile));
                                    cb(this, new LengthyOperationProgressArgs(string.Format(Strings.TemplateLoaded, extraFile), current));
                                }
                            }

                            //Step 3: Test to make sure we're all good so far
                            string result = this.Parent.FeatureService.TestConnection(fsId);

                            if (Utility.IsSuccessfulConnectionTestResult(result))
                            {
                                //Step 4: Test to see if default cs needs to be specified
                                FdoSpatialContextList spatialContexts = this.Parent.FeatureService.GetSpatialContextInfo(fsId, false);
                                if (!string.IsNullOrEmpty(shpl.CoordinateSystem))
                                {
                                    bool hasPrj = false;
                                    //If there is no prj file, we can just upload one with the specified WKT
                                    foreach (var resd in fs.EnumerateResourceData())
                                    {
                                        if (resd.Name == resName + ".prj") //NOXLATE
                                        {
                                            hasPrj = true;
                                            break;
                                        }
                                    }
                                    //Case 1: No .prj file. Most probable
                                    if (!hasPrj)
                                    {
                                        string tmp = System.IO.Path.GetTempFileName();
                                        System.IO.File.WriteAllText(tmp, shpl.CoordinateSystem);

                                        using (var fsr = System.IO.File.OpenRead(tmp))
                                        {
                                            fs.SetResourceData(resName + ".prj", ResourceDataType.File, fsr); //NOXLATE
                                            cb(this, new LengthyOperationProgressArgs(string.Format(Strings.TemplateUploadedPrj, resName), current));
                                        }

                                        try
                                        {
                                            System.IO.File.Delete(tmp);
                                        }
                                        catch { }
                                    }
                                    else if (spatialContexts.SpatialContext.Count == 0) //Case 2: No Spatial contexts. Declare one using SupplementalContextInfo
                                    {
                                        //Register the default CS from the load procedure
                                        fs.AddSpatialContextOverride(new OSGeo.MapGuide.ObjectModels.FeatureSource_1_0_0.SpatialContextType()
                                        {
                                            Name = "Default", //NOXLATE
                                            CoordinateSystem = shpl.CoordinateSystem
                                        });

                                        //Update this feature source
                                        this.Parent.ResourceService.SaveResource(fs);

                                        cb(this, new LengthyOperationProgressArgs(string.Format(Strings.TemplateSetSpatialContext, fsId), current));
                                    }
                                    else if (spatialContexts.SpatialContext.Count == 1) //Case 3: One spatial context with blank WKT. Override it using the SupplementalContextInfo
                                    {
                                        var sc = spatialContexts.SpatialContext[0];
                                        if (string.IsNullOrEmpty(sc.CoordinateSystemWkt))
                                        {
                                            //Register the default CS from the load procedure
                                            fs.AddSpatialContextOverride(new OSGeo.MapGuide.ObjectModels.FeatureSource_1_0_0.SpatialContextType()
                                            {
                                                Name = sc.Name,
                                                CoordinateSystem = shpl.CoordinateSystem
                                            });

                                            //Update this feature source
                                            this.Parent.ResourceService.SaveResource(fs);

                                            cb(this, new LengthyOperationProgressArgs(string.Format(Strings.TemplateSetSpatialContext, fsId), current));
                                        }
                                    }
                                }
                            }
                        }
                    }

                    if (shpl.GenerateLayers)
                    {
                        //Skip only if we have an update list and this resource id is not in it
                        bool skip = (resToUpdate.Count > 0 && !resToUpdate.Contains(lyrId));
                        if (!skip)
                        {
                            //NOTE: Because we are working against 1.0.0 object types this will always create 1.0.0 Layer Definition
                            //resources

                            //Process is as follows
                            //
                            // 1. Describe the schema of the feature source
                            // 2. If it contains at least one feature class, create a layer definition
                            // 3. Set the following layer definition properties:
                            //    - Feature Source: the feature source id
                            //    - Feature Class: the first feature class in the schema
                            //    - Geometry: the first geometry property in the first feature class
                            // 4. Infer the supported geometry types for this feature class. Toggle supported styles accordingly.

                            //Step 1: Describe the schema
                            //
                            //NOTE: I think we can get away with the full schema walk here. It's very unlikely we will be uploading a flat
                            //file with hundreds of classes. Even then, flat-file schema walk performance blows RDBMS walking performance
                            //out of the water anyway.
                            FeatureSourceDescription desc = this.Parent.FeatureService.DescribeFeatureSource(fsId);

                            //Step 2: Find the first feature class with a geometry property
                            ClassDefinition clsDef = null;
                            GeometricPropertyDefinition geom = null;

                            bool done = false;

                            foreach (ClassDefinition cls in desc.AllClasses)
                            {
                                if (done) break;

                                foreach (PropertyDefinition prop in cls.Properties)
                                {
                                    if (done) break;

                                    if (prop.Type == OSGeo.MapGuide.MaestroAPI.Schema.PropertyDefinitionType.Geometry)
                                    {
                                        clsDef = cls;
                                        geom = (GeometricPropertyDefinition)prop;
                                        done = true;
                                    }
                                }
                            }

                            if (clsDef != null && geom != null)
                            {
                                var ld = ObjectFactory.CreateDefaultLayer(this.Parent, LayerType.Vector, new Version(1, 0, 0));

                                //Step 3: Assign default properties
                                ld.ResourceID = lyrId;
                                var vld = ld.SubLayer as IVectorLayerDefinition;
                                vld.ResourceId = fsId;
                                vld.FeatureName = clsDef.QualifiedName;
                                vld.Geometry = geom.Name;

                                //Step 4: Infer geometry storage support and remove unsupported styles
                                var scale = vld.GetScaleRangeAt(0);
                                var geomTypes = geom.GetIndividualGeometricTypes();
                                var remove = new List<string>();
                                if (Array.IndexOf(geomTypes, FeatureGeometricType.Point) < 0)
                                {
                                    remove.Add(FeatureGeometricType.Point.ToString().ToLower());
                                }
                                if (Array.IndexOf(geomTypes, FeatureGeometricType.Curve) < 0)
                                {
                                    remove.Add(FeatureGeometricType.Curve.ToString().ToLower());
                                }
                                if (Array.IndexOf(geomTypes, FeatureGeometricType.Surface) < 0)
                                {
                                    remove.Add(FeatureGeometricType.Surface.ToString().ToLower());
                                }

                                scale.RemoveStyles(remove);

                                this.Parent.ResourceService.SaveResource(ld);
                                resCreatedOrUpdated.Add(lyrId);
                                cb(this, new LengthyOperationProgressArgs(string.Format(Strings.TemplateCreated, lyrId), current));
                            }
                        }
                    }
                    success = true;
                }
                else
                {
                    cb(this, new LengthyOperationProgressArgs(string.Format(Strings.TemplateFileNotFound, file), current));
                }

                //This file is now fully processed, so increment progress
                current += pcPerFile;

                if (success)
                {
                    cb(this, new LengthyOperationProgressArgs(string.Format(Strings.TemplateSuccess, file), current));
                }
            }

            return resCreatedOrUpdated.ToArray();
        }
コード例 #2
0
        private string[] ExecuteShpLoadProcedure(LengthyOperationProgressCallBack cb, IShpLoadProcedure shpl, ref bool firstExecution)
        {
            List <string> resCreatedOrUpdated = new List <string>();

            var shpFiles  = shpl.SourceFile;
            int pcPerFile = (int)(100 / shpFiles.Count);
            int current   = 0;

            string root = shpl.RootPath;

            if (!root.EndsWith("/")) //NOXLATE
            {
                root += "/";         //NOXLATE
            }
            string sdp = shpl.SpatialDataSourcesPath;
            string lp  = shpl.LayersPath;

            if (!string.IsNullOrEmpty(sdp))
            {
                if (!sdp.EndsWith("/")) //NOXLATE
                {
                    sdp += "/";         //NOXLATE
                }
            }

            if (!string.IsNullOrEmpty(lp))
            {
                if (!lp.EndsWith("/")) //NOXLATE
                {
                    lp += "/";         //NOXLATE
                }
            }

            string fsRoot    = (string.IsNullOrEmpty(sdp) ? root : sdp) + shpl.SpatialDataSourcesFolder;
            string layerRoot = (string.IsNullOrEmpty(lp) ? root : lp) + shpl.LayersFolder;

            if (!fsRoot.EndsWith("/"))    //NOXLATE
            {
                fsRoot += "/";            //NOXLATE
            }
            if (!layerRoot.EndsWith("/")) //NOXLATE
            {
                layerRoot += "/";         //NOXLATE
            }
            List <string> resToUpdate = new List <string>();

            if (shpl.ResourceId != null)
            {
                resToUpdate.AddRange(shpl.ResourceId);
                firstExecution = false;
            }
            else
            {
                firstExecution = true;
            }

            Dictionary <string, List <string> > extraFiles = new Dictionary <string, List <string> >();

            //Unlike SDF, a SHP file actually consists of multiple files
            foreach (string shp in shpFiles)
            {
                if (!extraFiles.ContainsKey(shp))
                {
                    extraFiles[shp] = new List <string>();
                }
                //we want to preserve casing for everything before the extension
                string prefix = shp.Substring(0, shp.LastIndexOf(".") + 1); //NOXLATE
                extraFiles[shp].Add(prefix + "shx");                        //NOXLATE
                extraFiles[shp].Add(prefix + "dbf");                        //NOXLATE
                extraFiles[shp].Add(prefix + "idx");                        //NOXLATE
                extraFiles[shp].Add(prefix + "prj");                        //NOXLATE
                extraFiles[shp].Add(prefix + "cpg");                        //NOXLATE

                //TODO: Are we missing anything else?
            }

            foreach (string file in shpFiles)
            {
                bool success = false;
                if (System.IO.File.Exists(file))
                {
                    string resName  = System.IO.Path.GetFileNameWithoutExtension(file);
                    string dataName = System.IO.Path.GetFileName(file);

                    string fsId  = fsRoot + resName + ".FeatureSource";      //NOXLATE
                    string lyrId = layerRoot + resName + ".LayerDefinition"; //NOXLATE

                    if (shpl.GenerateSpatialDataSources)
                    {
                        //Skip only if we have an update list and this resource id is not in it
                        bool skip = (resToUpdate.Count > 0 && !resToUpdate.Contains(fsId));
                        if (!skip)
                        {
                            //Process is as follows:
                            //
                            // 1. Create and save feature source document.
                            // 2. Upload sdf file as resource data for this document.
                            // 3. Test the connection, it should check out.
                            // 4. If no spatial contexts are detected, assign a default one from the load procedure and save the modified feature source.

                            //Step 1: Create feature source document
                            var conp = new NameValueCollection();
                            conp["DefaultFileLocation"] = StringConstants.MgDataFilePath + dataName; //NOXLATE
                            var fs = ObjectFactory.CreateFeatureSource("OSGeo.SHP", conp);           //NOXLATE
                            fs.ResourceID = fsId;

                            this.Parent.ResourceService.SaveResource(fs);
                            resCreatedOrUpdated.Add(fsId);
                            cb(this, new LengthyOperationProgressArgs(string.Format(Strings.TemplateCreated, fsId), current));

                            //TODO: When the infrastructure is available to us (ie. A portable .net FDO/MG Feature Service API wrapper)
                            //Maybe then we can actually implement the generalization and conversion properties. Until then, we skip
                            //these options

                            //Step 2: Load resource data for document
                            this.Parent.ResourceService.SetResourceData(fsId, dataName, ResourceDataType.File, System.IO.File.OpenRead(file));

                            cb(this, new LengthyOperationProgressArgs(string.Format(Strings.TemplateLoaded, file), current));

                            //Load supplementary files
                            foreach (string extraFile in extraFiles[file])
                            {
                                string dn = System.IO.Path.GetFileName(extraFile);
                                if (System.IO.File.Exists(extraFile))
                                {
                                    this.Parent.ResourceService.SetResourceData(fsId, dn, ResourceDataType.File, System.IO.File.OpenRead(extraFile));
                                    cb(this, new LengthyOperationProgressArgs(string.Format(Strings.TemplateLoaded, extraFile), current));
                                }
                            }

                            //Step 3: Test to make sure we're all good so far
                            string result = this.Parent.FeatureService.TestConnection(fsId);

                            if (Utility.IsSuccessfulConnectionTestResult(result))
                            {
                                //Step 4: Test to see if default cs needs to be specified
                                FdoSpatialContextList spatialContexts = this.Parent.FeatureService.GetSpatialContextInfo(fsId, false);
                                if (!string.IsNullOrEmpty(shpl.CoordinateSystem))
                                {
                                    bool hasPrj = false;
                                    //If there is no prj file, we can just upload one with the specified WKT
                                    var resData = this.Parent.ResourceService.EnumerateResourceData(fs.ResourceID);
                                    foreach (var resd in resData.ResourceData)
                                    {
                                        if (resd.Name == resName + ".prj") //NOXLATE
                                        {
                                            hasPrj = true;
                                            break;
                                        }
                                    }
                                    //Case 1: No .prj file. Most probable
                                    if (!hasPrj)
                                    {
                                        string tmp = System.IO.Path.GetTempFileName();
                                        System.IO.File.WriteAllText(tmp, shpl.CoordinateSystem);

                                        using (var fsr = System.IO.File.OpenRead(tmp))
                                        {
                                            this.Parent.ResourceService.SetResourceData(fs.ResourceID, resName + ".prj", ResourceDataType.File, fsr); //NOXLATE
                                            cb(this, new LengthyOperationProgressArgs(string.Format(Strings.TemplateUploadedPrj, resName), current));
                                        }

                                        try
                                        {
                                            System.IO.File.Delete(tmp);
                                        }
                                        catch { }
                                    }
                                    else if (spatialContexts.SpatialContext.Count == 0) //Case 2: No Spatial contexts. Declare one using SupplementalContextInfo
                                    {
                                        //Register the default CS from the load procedure
                                        fs.AddSpatialContextOverride(new OSGeo.MapGuide.ObjectModels.FeatureSource.v1_0_0.SpatialContextType()
                                        {
                                            Name             = "Default", //NOXLATE
                                            CoordinateSystem = shpl.CoordinateSystem
                                        });

                                        //Update this feature source
                                        this.Parent.ResourceService.SaveResource(fs);

                                        cb(this, new LengthyOperationProgressArgs(string.Format(Strings.TemplateSetSpatialContext, fsId), current));
                                    }
                                    else if (spatialContexts.SpatialContext.Count == 1) //Case 3: One spatial context with blank WKT. Override it using the SupplementalContextInfo
                                    {
                                        var sc = spatialContexts.SpatialContext[0];
                                        if (string.IsNullOrEmpty(sc.CoordinateSystemWkt))
                                        {
                                            //Register the default CS from the load procedure
                                            fs.AddSpatialContextOverride(new OSGeo.MapGuide.ObjectModels.FeatureSource.v1_0_0.SpatialContextType()
                                            {
                                                Name             = sc.Name,
                                                CoordinateSystem = shpl.CoordinateSystem
                                            });

                                            //Update this feature source
                                            this.Parent.ResourceService.SaveResource(fs);

                                            cb(this, new LengthyOperationProgressArgs(string.Format(Strings.TemplateSetSpatialContext, fsId), current));
                                        }
                                    }
                                }
                            }
                        }
                    }

                    if (shpl.GenerateLayers)
                    {
                        //Skip only if we have an update list and this resource id is not in it
                        bool skip = (resToUpdate.Count > 0 && !resToUpdate.Contains(lyrId));
                        if (!skip)
                        {
                            //NOTE: Because we are working against 1.0.0 object types this will always create 1.0.0 Layer Definition
                            //resources

                            //Process is as follows
                            //
                            // 1. Describe the schema of the feature source
                            // 2. If it contains at least one feature class, create a layer definition
                            // 3. Set the following layer definition properties:
                            //    - Feature Source: the feature source id
                            //    - Feature Class: the first feature class in the schema
                            //    - Geometry: the first geometry property in the first feature class
                            // 4. Infer the supported geometry types for this feature class. Toggle supported styles accordingly.

                            //Step 1: Describe the schema
                            //
                            //NOTE: I think we can get away with the full schema walk here. It's very unlikely we will be uploading a flat
                            //file with hundreds of classes. Even then, flat-file schema walk performance blows RDBMS walking performance
                            //out of the water anyway.
                            FeatureSourceDescription desc = this.Parent.FeatureService.DescribeFeatureSource(fsId);

                            //Step 2: Find the first feature class with a geometry property
                            ClassDefinition             clsDef = null;
                            GeometricPropertyDefinition geom   = null;

                            bool done = false;

                            foreach (ClassDefinition cls in desc.AllClasses)
                            {
                                if (done)
                                {
                                    break;
                                }

                                foreach (PropertyDefinition prop in cls.Properties)
                                {
                                    if (done)
                                    {
                                        break;
                                    }

                                    if (prop.Type == OSGeo.MapGuide.MaestroAPI.Schema.PropertyDefinitionType.Geometry)
                                    {
                                        clsDef = cls;
                                        geom   = (GeometricPropertyDefinition)prop;
                                        done   = true;
                                    }
                                }
                            }

                            if (clsDef != null && geom != null)
                            {
                                var ld = ObjectFactory.CreateDefaultLayer(LayerType.Vector, new Version(1, 0, 0));

                                //Step 3: Assign default properties
                                ld.ResourceID = lyrId;
                                var vld = ld.SubLayer as IVectorLayerDefinition;
                                vld.ResourceId  = fsId;
                                vld.FeatureName = clsDef.QualifiedName;
                                vld.Geometry    = geom.Name;

                                //Step 4: Infer geometry storage support and remove unsupported styles
                                var scale     = vld.GetScaleRangeAt(0);
                                var geomTypes = geom.GetIndividualGeometricTypes();
                                var remove    = new List <string>();
                                if (Array.IndexOf(geomTypes, FeatureGeometricType.Point) < 0)
                                {
                                    remove.Add(FeatureGeometricType.Point.ToString().ToLower());
                                }
                                if (Array.IndexOf(geomTypes, FeatureGeometricType.Curve) < 0)
                                {
                                    remove.Add(FeatureGeometricType.Curve.ToString().ToLower());
                                }
                                if (Array.IndexOf(geomTypes, FeatureGeometricType.Surface) < 0)
                                {
                                    remove.Add(FeatureGeometricType.Surface.ToString().ToLower());
                                }

                                scale.RemoveStyles(remove);

                                this.Parent.ResourceService.SaveResource(ld);
                                resCreatedOrUpdated.Add(lyrId);
                                cb(this, new LengthyOperationProgressArgs(string.Format(Strings.TemplateCreated, lyrId), current));
                            }
                        }
                    }
                    success = true;
                }
                else
                {
                    cb(this, new LengthyOperationProgressArgs(string.Format(Strings.TemplateFileNotFound, file), current));
                }

                //This file is now fully processed, so increment progress
                current += pcPerFile;

                if (success)
                {
                    cb(this, new LengthyOperationProgressArgs(string.Format(Strings.TemplateSuccess, file), current));
                }
            }

            return(resCreatedOrUpdated.ToArray());
        }