Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Services / Web / System / Web / Services / Discovery / DynamicDiscoSearcher.cs / 1305376 / DynamicDiscoSearcher.cs
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
namespace System.Web.Services.Discovery {
using System;
using System.IO;
using System.Collections;
using System.Web;
using System.Web.Caching;
using System.Diagnostics;
using System.Text;
using System.DirectoryServices;
using System.Web.Services.Configuration;
using System.ComponentModel;
using System.Globalization;
///
/// Does a recursive search of subdirectories (physical and virtual) to find stuff to
/// make a disco file from. *.disco files (or whatever the PrimarySearchPattern is) are
/// treated as end-points - recursion stops where they are found.
/// It's a base class for DynamicVirtualDiscoSearcher and DynamicPhysicalDiscoSearcher.
///
internal abstract class DynamicDiscoSearcher {
protected string origUrl; // original URL to start search
protected string[] excludedUrls; // names relative to starting path
protected string fileToSkipFirst; // name of file to skip on 1st level
protected ArrayList filesFound;
protected DiscoverySearchPattern[] primarySearchPatterns = null;
protected DiscoverySearchPattern[] secondarySearchPatterns = null;
protected DiscoveryDocument discoDoc = new DiscoveryDocument();
protected Hashtable excludedUrlsTable = null;
protected int subDirLevel = 0; // current nested level of subdirectory relative to search root
// -------------------------------------------------------------------------------
internal DynamicDiscoSearcher(string[] excludeUrlsList) {
excludedUrls = excludeUrlsList;
filesFound = new ArrayList();
}
// -------------------------------------------------------------------------------
internal virtual void SearchInit(string fileToSkipAtBegin) {
subDirLevel = 0;
fileToSkipFirst = fileToSkipAtBegin;
}
// --------------------------------------------------------------------------------
protected bool IsExcluded(string url) {
if (excludedUrlsTable == null) {
excludedUrlsTable = new Hashtable();
foreach (string s in excludedUrls) {
Debug.Assert( s != null, "null element in excluded list" );
excludedUrlsTable.Add( MakeAbsExcludedPath(s).ToLower(CultureInfo.InvariantCulture), null);
}
}
return excludedUrlsTable.Contains( url.ToLower(CultureInfo.InvariantCulture) );
}
// -------------------------------------------------------------------------------
internal DiscoveryDocument DiscoveryDocument {
get {
return discoDoc;
}
}
// --------------------------------------------------------------------------------
internal DiscoverySearchPattern[] PrimarySearchPattern {
get {
if (primarySearchPatterns == null) {
// For the primary search the pattern is ".vsdisco"
primarySearchPatterns = new DiscoverySearchPattern[] { new DiscoveryDocumentSearchPattern() } ;
}
return primarySearchPatterns;
}
}
// --------------------------------------------------------------------------------
internal DiscoverySearchPattern[] SecondarySearchPattern {
get {
if (secondarySearchPatterns == null) {
// ****** Get pattern type from Config (no more needed) *******
// Type[] searchPattern = WebServicesConfiguration.Current.DiscoverySearchPatternTypes;
// secondarySearchPatterns = new DiscoverySearchPattern[searchPattern.Length];
//
// for (int i = 0; i < searchPattern.Length; i++) {
// secondarySearchPatterns[i] = (DiscoverySearchPattern) Activator.CreateInstance(searchPattern[i]);
// }
secondarySearchPatterns = new DiscoverySearchPattern[] { new ContractSearchPattern(),
new DiscoveryDocumentLinksPattern() };
}
return secondarySearchPatterns;
}
}
// -------------------------------------------------------------------------------
// Invokes searching by patterns in current dir. If needed, initiates further search in subdirectories.
protected void ScanDirectory(string directory) {
if ( CompModSwitches.DynamicDiscoverySearcher.TraceVerbose ) Debug.WriteLine( "DynamicDiscoSearcher.ScanDirectory(): directory=" + directory);
if ( IsExcluded(directory) ) // what name is meant here?
return;
bool primaryFound = ScanDirByPattern(directory, true /*primary*/, PrimarySearchPattern);
if (!primaryFound) {
if (!IsVirtualSearch ) {
ScanDirByPattern(directory, false /*secondary*/, SecondarySearchPattern);
}else {
// We restrict second stage of a virtual discovery only to static .disco documents
// We assume that starting directory does not need a second stage
if (subDirLevel != 0) {
DiscoverySearchPattern[] staticDiscoPattern = new DiscoverySearchPattern[] { new DiscoveryDocumentLinksPattern() };
ScanDirByPattern(directory, false /*secondary*/, staticDiscoPattern);
}
}
if ( IsVirtualSearch && subDirLevel > 0 )
return; // stop search in subdir levels deeper than 1 for virtual search
subDirLevel++;
fileToSkipFirst = ""; // do not skip this file on lower levels
SearchSubDirectories(directory); // search deeper (indirect recursion)
subDirLevel--;
}
}
// --------------------------------------------------------------------------------
// Looks in a physical directory for a file matching whatever the configured pattern is.
// Returns: 'true' if primary file has been found (and added to Discovery References).
protected bool ScanDirByPattern(string dir, bool IsPrimary, DiscoverySearchPattern[] patterns) {
DirectoryInfo directory = GetPhysicalDir(dir); // comment here
if ( directory == null )
return false;
if ( CompModSwitches.DynamicDiscoverySearcher.TraceVerbose )
Debug.WriteLine( "= DynamicDiscoSearcher.ScanDirByPattern(): dir=" + dir + " Phys.dir=" + directory.Name);
bool isFileFound = false;
for (int i = 0; i < patterns.Length; i++) {
FileInfo[] files = directory.GetFiles(patterns[i].Pattern); // search in dir
foreach (FileInfo file in files) {
if ((file.Attributes & FileAttributes.Directory) == 0) {
if ( CompModSwitches.DynamicDiscoverySearcher.TraceVerbose ) Debug.WriteLine( "=== DynamicDiscoSearcher.ScanDirByPattern(): file.Name=" + file.Name + " fileToSkipFirst=" + fileToSkipFirst);
// first skip given (i.e. starting) file
if ( String.Compare(file.Name, fileToSkipFirst, StringComparison.OrdinalIgnoreCase) == 0 ) { // ignore case compare
continue;
}
string resultName = MakeResultPath(dir, file.Name);
filesFound.Add( resultName );
discoDoc.References.Add(patterns[i].GetDiscoveryReference(resultName));
isFileFound = true;
}
}
}
return (IsPrimary && isFileFound);
}
// ------------ abstract methods -----------------
///
/// Main function. Searches dir recursively for primary (.vsdisco) and seconary (.asmx) files.
///
internal abstract void Search(string fileToSkipAtBegin);
// Gets phisycal directory info from its virtual or actual name.
protected abstract DirectoryInfo GetPhysicalDir(string dir );
// Search given directory for subdirectories, feasable for further searching.
protected abstract void SearchSubDirectories(string directory);
// Makes result URL found file path from diectory name and short file name.
protected abstract string MakeResultPath(string dirName, string fileName);
// Makes exclusion path absolute for quick comparision on search.
protected abstract string MakeAbsExcludedPath(string pathRelativ);
// 'true' if search isVirtual
protected abstract bool IsVirtualSearch { get; }
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
namespace System.Web.Services.Discovery {
using System;
using System.IO;
using System.Collections;
using System.Web;
using System.Web.Caching;
using System.Diagnostics;
using System.Text;
using System.DirectoryServices;
using System.Web.Services.Configuration;
using System.ComponentModel;
using System.Globalization;
///
/// Does a recursive search of subdirectories (physical and virtual) to find stuff to
/// make a disco file from. *.disco files (or whatever the PrimarySearchPattern is) are
/// treated as end-points - recursion stops where they are found.
/// It's a base class for DynamicVirtualDiscoSearcher and DynamicPhysicalDiscoSearcher.
///
internal abstract class DynamicDiscoSearcher {
protected string origUrl; // original URL to start search
protected string[] excludedUrls; // names relative to starting path
protected string fileToSkipFirst; // name of file to skip on 1st level
protected ArrayList filesFound;
protected DiscoverySearchPattern[] primarySearchPatterns = null;
protected DiscoverySearchPattern[] secondarySearchPatterns = null;
protected DiscoveryDocument discoDoc = new DiscoveryDocument();
protected Hashtable excludedUrlsTable = null;
protected int subDirLevel = 0; // current nested level of subdirectory relative to search root
// -------------------------------------------------------------------------------
internal DynamicDiscoSearcher(string[] excludeUrlsList) {
excludedUrls = excludeUrlsList;
filesFound = new ArrayList();
}
// -------------------------------------------------------------------------------
internal virtual void SearchInit(string fileToSkipAtBegin) {
subDirLevel = 0;
fileToSkipFirst = fileToSkipAtBegin;
}
// --------------------------------------------------------------------------------
protected bool IsExcluded(string url) {
if (excludedUrlsTable == null) {
excludedUrlsTable = new Hashtable();
foreach (string s in excludedUrls) {
Debug.Assert( s != null, "null element in excluded list" );
excludedUrlsTable.Add( MakeAbsExcludedPath(s).ToLower(CultureInfo.InvariantCulture), null);
}
}
return excludedUrlsTable.Contains( url.ToLower(CultureInfo.InvariantCulture) );
}
// -------------------------------------------------------------------------------
internal DiscoveryDocument DiscoveryDocument {
get {
return discoDoc;
}
}
// --------------------------------------------------------------------------------
internal DiscoverySearchPattern[] PrimarySearchPattern {
get {
if (primarySearchPatterns == null) {
// For the primary search the pattern is ".vsdisco"
primarySearchPatterns = new DiscoverySearchPattern[] { new DiscoveryDocumentSearchPattern() } ;
}
return primarySearchPatterns;
}
}
// --------------------------------------------------------------------------------
internal DiscoverySearchPattern[] SecondarySearchPattern {
get {
if (secondarySearchPatterns == null) {
// ****** Get pattern type from Config (no more needed) *******
// Type[] searchPattern = WebServicesConfiguration.Current.DiscoverySearchPatternTypes;
// secondarySearchPatterns = new DiscoverySearchPattern[searchPattern.Length];
//
// for (int i = 0; i < searchPattern.Length; i++) {
// secondarySearchPatterns[i] = (DiscoverySearchPattern) Activator.CreateInstance(searchPattern[i]);
// }
secondarySearchPatterns = new DiscoverySearchPattern[] { new ContractSearchPattern(),
new DiscoveryDocumentLinksPattern() };
}
return secondarySearchPatterns;
}
}
// -------------------------------------------------------------------------------
// Invokes searching by patterns in current dir. If needed, initiates further search in subdirectories.
protected void ScanDirectory(string directory) {
if ( CompModSwitches.DynamicDiscoverySearcher.TraceVerbose ) Debug.WriteLine( "DynamicDiscoSearcher.ScanDirectory(): directory=" + directory);
if ( IsExcluded(directory) ) // what name is meant here?
return;
bool primaryFound = ScanDirByPattern(directory, true /*primary*/, PrimarySearchPattern);
if (!primaryFound) {
if (!IsVirtualSearch ) {
ScanDirByPattern(directory, false /*secondary*/, SecondarySearchPattern);
}else {
// We restrict second stage of a virtual discovery only to static .disco documents
// We assume that starting directory does not need a second stage
if (subDirLevel != 0) {
DiscoverySearchPattern[] staticDiscoPattern = new DiscoverySearchPattern[] { new DiscoveryDocumentLinksPattern() };
ScanDirByPattern(directory, false /*secondary*/, staticDiscoPattern);
}
}
if ( IsVirtualSearch && subDirLevel > 0 )
return; // stop search in subdir levels deeper than 1 for virtual search
subDirLevel++;
fileToSkipFirst = ""; // do not skip this file on lower levels
SearchSubDirectories(directory); // search deeper (indirect recursion)
subDirLevel--;
}
}
// --------------------------------------------------------------------------------
// Looks in a physical directory for a file matching whatever the configured pattern is.
// Returns: 'true' if primary file has been found (and added to Discovery References).
protected bool ScanDirByPattern(string dir, bool IsPrimary, DiscoverySearchPattern[] patterns) {
DirectoryInfo directory = GetPhysicalDir(dir); // comment here
if ( directory == null )
return false;
if ( CompModSwitches.DynamicDiscoverySearcher.TraceVerbose )
Debug.WriteLine( "= DynamicDiscoSearcher.ScanDirByPattern(): dir=" + dir + " Phys.dir=" + directory.Name);
bool isFileFound = false;
for (int i = 0; i < patterns.Length; i++) {
FileInfo[] files = directory.GetFiles(patterns[i].Pattern); // search in dir
foreach (FileInfo file in files) {
if ((file.Attributes & FileAttributes.Directory) == 0) {
if ( CompModSwitches.DynamicDiscoverySearcher.TraceVerbose ) Debug.WriteLine( "=== DynamicDiscoSearcher.ScanDirByPattern(): file.Name=" + file.Name + " fileToSkipFirst=" + fileToSkipFirst);
// first skip given (i.e. starting) file
if ( String.Compare(file.Name, fileToSkipFirst, StringComparison.OrdinalIgnoreCase) == 0 ) { // ignore case compare
continue;
}
string resultName = MakeResultPath(dir, file.Name);
filesFound.Add( resultName );
discoDoc.References.Add(patterns[i].GetDiscoveryReference(resultName));
isFileFound = true;
}
}
}
return (IsPrimary && isFileFound);
}
// ------------ abstract methods -----------------
///
/// Main function. Searches dir recursively for primary (.vsdisco) and seconary (.asmx) files.
///
internal abstract void Search(string fileToSkipAtBegin);
// Gets phisycal directory info from its virtual or actual name.
protected abstract DirectoryInfo GetPhysicalDir(string dir );
// Search given directory for subdirectories, feasable for further searching.
protected abstract void SearchSubDirectories(string directory);
// Makes result URL found file path from diectory name and short file name.
protected abstract string MakeResultPath(string dirName, string fileName);
// Makes exclusion path absolute for quick comparision on search.
protected abstract string MakeAbsExcludedPath(string pathRelativ);
// 'true' if search isVirtual
protected abstract bool IsVirtualSearch { get; }
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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