1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
|
//------------------------------------------------------------------------------
// <copyright file="DiscoveryReference.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
namespace System.Web.Services.Discovery {
using System;
using System.Xml.Serialization;
using System.Text.RegularExpressions;
using System.IO;
using System.Text;
using System.Threading;
using System.Collections;
using System.Diagnostics;
using System.Web.Services.Diagnostics;
/// <include file='doc\DiscoveryReference.uex' path='docs/doc[@for="DiscoveryReference"]/*' />
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public abstract class DiscoveryReference {
private DiscoveryClientProtocol clientProtocol;
/// <include file='doc\DiscoveryReference.uex' path='docs/doc[@for="DiscoveryReference.ClientProtocol"]/*' />
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
[XmlIgnore]
public DiscoveryClientProtocol ClientProtocol {
get { return clientProtocol; }
set { clientProtocol = value; }
}
/// <include file='doc\DiscoveryReference.uex' path='docs/doc[@for="DiscoveryReference.DefaultFilename"]/*' />
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
[XmlIgnore]
public virtual string DefaultFilename {
get {
return FilenameFromUrl(Url);
}
}
/// <include file='doc\DiscoveryReference.uex' path='docs/doc[@for="DiscoveryReference.WriteDocument"]/*' />
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public abstract void WriteDocument(object document, Stream stream);
/// <include file='doc\DiscoveryReference.uex' path='docs/doc[@for="DiscoveryReference.ReadDocument"]/*' />
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public abstract object ReadDocument(Stream stream);
/// <include file='doc\DiscoveryReference.uex' path='docs/doc[@for="DiscoveryReference.Url"]/*' />
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
[XmlIgnore]
public abstract string Url {
get;
set;
}
internal virtual void LoadExternals(Hashtable loadedExternals) {
}
/// <include file='doc\DiscoveryReference.uex' path='docs/doc[@for="DiscoveryReference.FilenameFromUrl"]/*' />
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public static string FilenameFromUrl(string url) {
// get everything after the last /, not including the one at the end of the string
int lastSlash = url.LastIndexOf('/', url.Length - 1);
if (lastSlash >= 0) url = url.Substring(lastSlash + 1);
// get everything up to the first dot (the filename)
int firstDot = url.IndexOf('.');
if (firstDot >= 0) url = url.Substring(0, firstDot);
// make sure we don't include the question mark and stuff that follows it
int question = url.IndexOf('?');
if (question >= 0) url = url.Substring(0, question);
if (url == null || url.Length == 0)
return "item";
return MakeValidFilename(url);
}
private static bool FindChar(char ch, char[] chars) {
for (int i = 0; i < chars.Length; i++) {
if (ch == chars[i])
return true;
}
return false;
}
internal static string MakeValidFilename(string filename) {
if (filename == null)
return null;
StringBuilder sb = new StringBuilder(filename.Length);
for (int i = 0; i < filename.Length; i++) {
char c = filename[i];
if (!FindChar(c, Path.InvalidPathChars))
sb.Append(c);
}
string name = sb.ToString();
if (name.Length == 0)
name = "item";
return Path.GetFileName(name);
}
/// <include file='doc\DiscoveryReference.uex' path='docs/doc[@for="DiscoveryReference.Resolve"]/*' />
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public void Resolve() {
if (ClientProtocol == null)
throw new InvalidOperationException(Res.GetString(Res.WebResolveMissingClientProtocol));
if (ClientProtocol.Documents[Url] != null)
return;
if (ClientProtocol.InlinedSchemas[Url] != null)
return;
string newUrl = Url;
string oldUrl = Url;
string contentType = null;
Stream stream = ClientProtocol.Download(ref newUrl, ref contentType);
if (ClientProtocol.Documents[newUrl] != null) {
Url = newUrl;
return;
}
try {
Url = newUrl;
Resolve(contentType, stream);
}
catch {
Url = oldUrl;
throw;
}
finally {
stream.Close();
}
}
internal Exception AttemptResolve(string contentType, Stream stream) {
try {
Resolve(contentType, stream);
return null;
}
catch (Exception e) {
if (e is ThreadAbortException || e is StackOverflowException || e is OutOfMemoryException) {
throw;
}
if (Tracing.On) Tracing.ExceptionCatch(TraceEventType.Warning, this, "AttemptResolve", e);
return e;
}
}
/// <include file='doc\DiscoveryReference.uex' path='docs/doc[@for="DiscoveryReference.Resolve1"]/*' />
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
protected internal abstract void Resolve(string contentType, Stream stream);
internal static string UriToString(string baseUrl, string relUrl) {
return (new Uri(new Uri(baseUrl), relUrl)).GetComponents(UriComponents.AbsoluteUri, UriFormat.SafeUnescaped);
}
}
}
|
