Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / Orcas / QFE / ndp / fx / src / DataEntity / System / Data / Metadata / MetadataArtifactLoaderCompositeFile.cs / 2 / MetadataArtifactLoaderCompositeFile.cs
//----------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//
// @owner [....]
//---------------------------------------------------------------------
using System.Collections.Generic;
using System.Collections;
using System.Diagnostics;
using System.Globalization;
using System.Reflection;
using System.Text;
using System.Xml;
using System.Data.Mapping;
using System.IO;
using System.Security;
using System.Security.Permissions;
using System.Threading;
using System.Collections.ObjectModel;
namespace System.Data.Metadata.Edm
{
///
/// This class represents a collection of artifact files to be loaded from one
/// filesystem folder.
///
internal class MetadataArtifactLoaderCompositeFile : MetadataArtifactLoader
{
private ReadOnlyCollection _csdlChildren;
private ReadOnlyCollection _ssdlChildren;
private ReadOnlyCollection _mslChildren;
private readonly string _path;
private readonly ICollection _uriRegistry;
///
/// Constructor - loads all resources into the _children collection
///
/// The path to the (collection of) resources
/// The global registry of URIs
public MetadataArtifactLoaderCompositeFile(string path, ICollection uriRegistry)
{
_path = path;
_uriRegistry = uriRegistry;
}
public override string Path
{
get { return _path; }
}
public override void CollectFilePermissionPaths(List paths, DataSpace spaceToGet)
{
IList files;
if(TryGetListForSpace(spaceToGet, out files))
{
foreach(var loader in files)
{
loader.CollectFilePermissionPaths(paths, spaceToGet);
}
}
}
public override bool IsComposite
{
get
{
return true;
}
}
internal ReadOnlyCollection CsdlChildren
{
get
{
LoadCollections();
return _csdlChildren;
}
}
internal ReadOnlyCollection SsdlChildren
{
get
{
LoadCollections();
return _ssdlChildren;
}
}
internal ReadOnlyCollection MslChildren
{
get
{
LoadCollections();
return _mslChildren;
}
}
///
/// Load all the collections at once so we have a "fairly" matched in time set of files
/// otherwise we may end up loading the csdl files, and then not loading the ssdl, and msl
/// files for sometime later.
///
void LoadCollections()
{
if (_csdlChildren == null)
{
ReadOnlyCollection csdlChildren = GetArtifactsInDirectory(_path, XmlConstants.CSpaceSchemaExtension, _uriRegistry).AsReadOnly();
Interlocked.CompareExchange(ref _csdlChildren, csdlChildren, null);
}
if (_ssdlChildren == null)
{
ReadOnlyCollection ssdlChildren = GetArtifactsInDirectory(_path, XmlConstants.SSpaceSchemaExtension, _uriRegistry).AsReadOnly();
Interlocked.CompareExchange(ref _ssdlChildren, ssdlChildren, null);
}
if (_mslChildren == null)
{
ReadOnlyCollection mslChildren = GetArtifactsInDirectory(_path, XmlConstants.CSSpaceSchemaExtension, _uriRegistry).AsReadOnly();
Interlocked.CompareExchange(ref _mslChildren, mslChildren, null);
}
}
///
/// Get paths to artifacts for a specific DataSpace, in the original, unexpanded
/// form.
///
/// A filesystem folder can contain any kind of artifact, so we simply
/// ignore the parameter and return the original path to the folder.
/// The DataSpace for the artifacts of interest
/// A List of strings identifying paths to all artifacts for a specific DataSpace
public override List GetOriginalPaths(DataSpace spaceToGet)
{
return GetOriginalPaths();
}
///
/// Get paths to artifacts for a specific DataSpace.
///
/// The DataSpace for the artifacts of interest
/// A List of strings identifying paths to all artifacts for a specific DataSpace
public override List GetPaths(DataSpace spaceToGet)
{
List list = new List();
IList files;
if (!TryGetListForSpace(spaceToGet, out files))
{
return list;
}
foreach (MetadataArtifactLoaderFile file in files)
{
list.AddRange(file.GetPaths(spaceToGet));
}
return list;
}
private bool TryGetListForSpace(DataSpace spaceToGet, out IList files)
{
switch (spaceToGet)
{
case DataSpace.CSpace:
files = CsdlChildren;
return true;
case DataSpace.SSpace:
files = SsdlChildren;
return true;
case DataSpace.CSSpace:
files = MslChildren;
return true;
default:
Debug.Assert(false, "Invalid DataSpace value.");
files = null;
return false;
}
}
///
/// Get paths to all artifacts
///
/// A List of strings identifying paths to all resources
public override List GetPaths()
{
List list = new List();
foreach (MetadataArtifactLoaderFile resource in CsdlChildren)
{
list.AddRange(resource.GetPaths());
}
foreach (MetadataArtifactLoaderFile resource in SsdlChildren)
{
list.AddRange(resource.GetPaths());
}
foreach (MetadataArtifactLoaderFile resource in MslChildren)
{
list.AddRange(resource.GetPaths());
}
return list;
}
///
/// Aggregates all resource streams from the _children collection
///
/// A List of XmlReader objects; cannot be null
public override List GetReaders(Dictionary sourceDictionary)
{
List list = new List();
foreach (MetadataArtifactLoaderFile resource in CsdlChildren)
{
list.AddRange(resource.GetReaders(sourceDictionary));
}
foreach (MetadataArtifactLoaderFile resource in SsdlChildren)
{
list.AddRange(resource.GetReaders(sourceDictionary));
}
foreach (MetadataArtifactLoaderFile resource in MslChildren)
{
list.AddRange(resource.GetReaders(sourceDictionary));
}
return list;
}
///
/// Get XmlReaders for a specific DataSpace.
///
/// The DataSpace corresponding to the requested artifacts
/// A List of XmlReader objects
public override List CreateReaders(DataSpace spaceToGet)
{
List list = new List();
IList files;
if (!TryGetListForSpace(spaceToGet, out files))
{
return list;
}
foreach (MetadataArtifactLoaderFile file in files)
{
list.AddRange(file.CreateReaders(spaceToGet));
}
return list;
}
private static List GetArtifactsInDirectory(string directory, string extension, ICollection uriRegistry)
{
List loaders = new List();
string[] fileNames = Directory.GetFiles(
directory,
MetadataArtifactLoader.wildcard + extension,
SearchOption.TopDirectoryOnly
);
foreach (string fileName in fileNames)
{
string fullPath = System.IO.Path.Combine(directory, fileName);
if (uriRegistry.Contains(fullPath))
continue;
// We need a second filter on the file names verifying the right extension because
// a file name with an extension longer than 3 characters might still match the
// given extension. For example, if we look for *.msl, abc.msl_something would match
// because the 8.3 name format matches it.
if (fileName.EndsWith(extension, StringComparison.OrdinalIgnoreCase))
{
loaders.Add(new MetadataArtifactLoaderFile(fullPath, uriRegistry));
// the file is added to the registry in the MetadataArtifactLoaderFile ctor
}
}
return loaders;
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//----------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//
// @owner [....]
//---------------------------------------------------------------------
using System.Collections.Generic;
using System.Collections;
using System.Diagnostics;
using System.Globalization;
using System.Reflection;
using System.Text;
using System.Xml;
using System.Data.Mapping;
using System.IO;
using System.Security;
using System.Security.Permissions;
using System.Threading;
using System.Collections.ObjectModel;
namespace System.Data.Metadata.Edm
{
///
/// This class represents a collection of artifact files to be loaded from one
/// filesystem folder.
///
internal class MetadataArtifactLoaderCompositeFile : MetadataArtifactLoader
{
private ReadOnlyCollection _csdlChildren;
private ReadOnlyCollection _ssdlChildren;
private ReadOnlyCollection _mslChildren;
private readonly string _path;
private readonly ICollection _uriRegistry;
///
/// Constructor - loads all resources into the _children collection
///
/// The path to the (collection of) resources
/// The global registry of URIs
public MetadataArtifactLoaderCompositeFile(string path, ICollection uriRegistry)
{
_path = path;
_uriRegistry = uriRegistry;
}
public override string Path
{
get { return _path; }
}
public override void CollectFilePermissionPaths(List paths, DataSpace spaceToGet)
{
IList files;
if(TryGetListForSpace(spaceToGet, out files))
{
foreach(var loader in files)
{
loader.CollectFilePermissionPaths(paths, spaceToGet);
}
}
}
public override bool IsComposite
{
get
{
return true;
}
}
internal ReadOnlyCollection CsdlChildren
{
get
{
LoadCollections();
return _csdlChildren;
}
}
internal ReadOnlyCollection SsdlChildren
{
get
{
LoadCollections();
return _ssdlChildren;
}
}
internal ReadOnlyCollection MslChildren
{
get
{
LoadCollections();
return _mslChildren;
}
}
///
/// Load all the collections at once so we have a "fairly" matched in time set of files
/// otherwise we may end up loading the csdl files, and then not loading the ssdl, and msl
/// files for sometime later.
///
void LoadCollections()
{
if (_csdlChildren == null)
{
ReadOnlyCollection csdlChildren = GetArtifactsInDirectory(_path, XmlConstants.CSpaceSchemaExtension, _uriRegistry).AsReadOnly();
Interlocked.CompareExchange(ref _csdlChildren, csdlChildren, null);
}
if (_ssdlChildren == null)
{
ReadOnlyCollection ssdlChildren = GetArtifactsInDirectory(_path, XmlConstants.SSpaceSchemaExtension, _uriRegistry).AsReadOnly();
Interlocked.CompareExchange(ref _ssdlChildren, ssdlChildren, null);
}
if (_mslChildren == null)
{
ReadOnlyCollection mslChildren = GetArtifactsInDirectory(_path, XmlConstants.CSSpaceSchemaExtension, _uriRegistry).AsReadOnly();
Interlocked.CompareExchange(ref _mslChildren, mslChildren, null);
}
}
///
/// Get paths to artifacts for a specific DataSpace, in the original, unexpanded
/// form.
///
/// A filesystem folder can contain any kind of artifact, so we simply
/// ignore the parameter and return the original path to the folder.
/// The DataSpace for the artifacts of interest
/// A List of strings identifying paths to all artifacts for a specific DataSpace
public override List GetOriginalPaths(DataSpace spaceToGet)
{
return GetOriginalPaths();
}
///
/// Get paths to artifacts for a specific DataSpace.
///
/// The DataSpace for the artifacts of interest
/// A List of strings identifying paths to all artifacts for a specific DataSpace
public override List GetPaths(DataSpace spaceToGet)
{
List list = new List();
IList files;
if (!TryGetListForSpace(spaceToGet, out files))
{
return list;
}
foreach (MetadataArtifactLoaderFile file in files)
{
list.AddRange(file.GetPaths(spaceToGet));
}
return list;
}
private bool TryGetListForSpace(DataSpace spaceToGet, out IList files)
{
switch (spaceToGet)
{
case DataSpace.CSpace:
files = CsdlChildren;
return true;
case DataSpace.SSpace:
files = SsdlChildren;
return true;
case DataSpace.CSSpace:
files = MslChildren;
return true;
default:
Debug.Assert(false, "Invalid DataSpace value.");
files = null;
return false;
}
}
///
/// Get paths to all artifacts
///
/// A List of strings identifying paths to all resources
public override List GetPaths()
{
List list = new List();
foreach (MetadataArtifactLoaderFile resource in CsdlChildren)
{
list.AddRange(resource.GetPaths());
}
foreach (MetadataArtifactLoaderFile resource in SsdlChildren)
{
list.AddRange(resource.GetPaths());
}
foreach (MetadataArtifactLoaderFile resource in MslChildren)
{
list.AddRange(resource.GetPaths());
}
return list;
}
///
/// Aggregates all resource streams from the _children collection
///
/// A List of XmlReader objects; cannot be null
public override List GetReaders(Dictionary sourceDictionary)
{
List list = new List();
foreach (MetadataArtifactLoaderFile resource in CsdlChildren)
{
list.AddRange(resource.GetReaders(sourceDictionary));
}
foreach (MetadataArtifactLoaderFile resource in SsdlChildren)
{
list.AddRange(resource.GetReaders(sourceDictionary));
}
foreach (MetadataArtifactLoaderFile resource in MslChildren)
{
list.AddRange(resource.GetReaders(sourceDictionary));
}
return list;
}
///
/// Get XmlReaders for a specific DataSpace.
///
/// The DataSpace corresponding to the requested artifacts
/// A List of XmlReader objects
public override List CreateReaders(DataSpace spaceToGet)
{
List list = new List();
IList files;
if (!TryGetListForSpace(spaceToGet, out files))
{
return list;
}
foreach (MetadataArtifactLoaderFile file in files)
{
list.AddRange(file.CreateReaders(spaceToGet));
}
return list;
}
private static List GetArtifactsInDirectory(string directory, string extension, ICollection uriRegistry)
{
List loaders = new List();
string[] fileNames = Directory.GetFiles(
directory,
MetadataArtifactLoader.wildcard + extension,
SearchOption.TopDirectoryOnly
);
foreach (string fileName in fileNames)
{
string fullPath = System.IO.Path.Combine(directory, fileName);
if (uriRegistry.Contains(fullPath))
continue;
// We need a second filter on the file names verifying the right extension because
// a file name with an extension longer than 3 characters might still match the
// given extension. For example, if we look for *.msl, abc.msl_something would match
// because the 8.3 name format matches it.
if (fileName.EndsWith(extension, StringComparison.OrdinalIgnoreCase))
{
loaders.Add(new MetadataArtifactLoaderFile(fullPath, uriRegistry));
// the file is added to the registry in the MetadataArtifactLoaderFile ctor
}
}
return loaders;
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- UniqueID.cs
- DataGridViewAutoSizeColumnsModeEventArgs.cs
- PerspectiveCamera.cs
- ValidationErrorCollection.cs
- ResourceReferenceExpressionConverter.cs
- RemoveStoryboard.cs
- EntityDataSourceSelectedEventArgs.cs
- Point3DValueSerializer.cs
- HintTextConverter.cs
- PrimitiveXmlSerializers.cs
- DataGridViewUtilities.cs
- BaseAddressPrefixFilterElement.cs
- ControllableStoryboardAction.cs
- Int16KeyFrameCollection.cs
- TaskHelper.cs
- StringPropertyBuilder.cs
- ExpandCollapseProviderWrapper.cs
- WebPartDisplayModeCancelEventArgs.cs
- DynamicScriptObject.cs
- OracleException.cs
- DataGridHelper.cs
- SqlUtil.cs
- BitmapInitialize.cs
- DecoderFallback.cs
- HandlerBase.cs
- StreamGeometryContext.cs
- FastEncoder.cs
- TextServicesCompartmentContext.cs
- SimpleTypeResolver.cs
- CommandConverter.cs
- AssemblyFilter.cs
- Compiler.cs
- ThicknessKeyFrameCollection.cs
- KeyGestureConverter.cs
- TextureBrush.cs
- XmlSchemaParticle.cs
- ForwardPositionQuery.cs
- MemoryFailPoint.cs
- EDesignUtil.cs
- HitTestParameters3D.cs
- HotCommands.cs
- CacheEntry.cs
- MatrixAnimationBase.cs
- ContextStaticAttribute.cs
- HashSetEqualityComparer.cs
- codemethodreferenceexpression.cs
- ConfigurationLocationCollection.cs
- ReadWriteObjectLock.cs
- ClaimComparer.cs
- HelpInfo.cs
- UpdatePanel.cs
- InstancePersistenceCommandException.cs
- TextEditorTables.cs
- OverflowException.cs
- NativeObjectSecurity.cs
- DataViewManagerListItemTypeDescriptor.cs
- _NegoStream.cs
- BindingNavigatorDesigner.cs
- CmsInterop.cs
- StringResourceManager.cs
- ActivitiesCollection.cs
- TransformConverter.cs
- EncodingNLS.cs
- MobileControlsSectionHelper.cs
- UshortList2.cs
- AjaxFrameworkAssemblyAttribute.cs
- KeyInterop.cs
- LoadRetryStrategyFactory.cs
- DurationConverter.cs
- ClusterSafeNativeMethods.cs
- Frame.cs
- SQLDateTime.cs
- TerminatorSinks.cs
- XamlFigureLengthSerializer.cs
- WindowsListViewItem.cs
- Predicate.cs
- Activity.cs
- PassportAuthenticationEventArgs.cs
- ExpressionPrefixAttribute.cs
- SendParametersContent.cs
- Int16Storage.cs
- Application.cs
- XmlCDATASection.cs
- TreeNodeCollectionEditorDialog.cs
- Rect3D.cs
- OrderPreservingMergeHelper.cs
- TextEditorMouse.cs
- XmlAttributes.cs
- OleDbError.cs
- NameSpaceEvent.cs
- WeakReferenceKey.cs
- ComboBoxItem.cs
- NamespaceEmitter.cs
- DataTableReaderListener.cs
- PropertyChangedEventArgs.cs
- X509ChainPolicy.cs
- AttachmentService.cs
- RowParagraph.cs
- JpegBitmapEncoder.cs
- FastEncoder.cs