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comparison tango/tango/util/log/FileAppender.d @ 132:1700239cab2e trunk

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[svn r136] MAJOR UNSTABLE UPDATE!!! Initial commit after moving to Tango instead of Phobos. Lots of bugfixes... This build is not suitable for most things.
author lindquist
date Fri, 11 Jan 2008 17:57:40 +0100
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131:5825d48b27d1 132:1700239cab2e
1 /*******************************************************************************
2
3 copyright: Copyright (c) 2004 Kris Bell. All rights reserved
4
5 license: BSD style: $(LICENSE)
6
7 version: Initial release: May 2004
8
9 author: Kris
10
11 *******************************************************************************/
12
13 module tango.util.log.FileAppender;
14
15 private import tango.util.log.Appender;
16
17 private import tango.io.Buffer,
18 tango.io.FileConst,
19 tango.io.FileConduit;
20
21 private import tango.io.model.IConduit;
22
23 /*******************************************************************************
24
25 Append log messages to a file. This basic version has no rollover
26 support, so it just keeps on adding to the file. There's also a
27 RollingFileAppender that may suit your needs.
28
29 *******************************************************************************/
30
31 public class FileAppender : Appender
32 {
33 private Mask mask;
34 private Buffer buffer;
35 private IConduit conduit_;
36
37 /***********************************************************************
38
39 ***********************************************************************/
40
41 protected this ()
42 {
43 }
44
45 /***********************************************************************
46
47 Create a basic FileAppender to a file with the specified
48 path.
49
50 ***********************************************************************/
51
52 this (FilePath fp, EventLayout layout = null)
53 {
54 // Get a unique fingerprint for this instance
55 mask = register (fp.toString);
56
57 // make it shareable for read
58 auto style = FileConduit.WriteAppending;
59 style.share = FileConduit.Share.Read;
60 setConduit (new FileConduit (fp, style));
61
62 setLayout (layout);
63 }
64
65 /***********************************************************************
66
67 Create a basic FileAppender to a file with the specified
68 path, and with the given EventLayout
69
70 ***********************************************************************/
71
72 this (char[] fp, EventLayout layout = null)
73 {
74 this (new FilePath (fp), layout);
75 }
76
77 /***********************************************************************
78
79 Return the conduit
80
81 ***********************************************************************/
82
83 IConduit conduit ()
84 {
85 return conduit_;
86 }
87
88 /***********************************************************************
89
90 Set the conduit
91
92 ***********************************************************************/
93
94 protected Buffer setConduit (IConduit conduit)
95 {
96 // create a new buffer upon this conduit
97 conduit_ = conduit;
98 return (buffer = new Buffer(conduit));
99 }
100
101 /***********************************************************************
102
103 Return the fingerprint for this class
104
105 ***********************************************************************/
106
107 Mask getMask ()
108 {
109 return mask;
110 }
111
112 /***********************************************************************
113
114 Return the name of this class
115
116 ***********************************************************************/
117
118 char[] getName ()
119 {
120 return this.classinfo.name;
121 }
122
123 /***********************************************************************
124
125 Append an event to the output.
126
127 ***********************************************************************/
128
129 synchronized void append (Event event)
130 {
131 auto layout = getLayout;
132 buffer.append (layout.header (event));
133 buffer.append (layout.content (event));
134 buffer.append (layout.footer (event))
135 .append (FileConst.NewlineString)
136 .flush ();
137 }
138
139 /***********************************************************************
140
141 Close the file associated with this Appender
142
143 ***********************************************************************/
144
145 synchronized void close ()
146 {
147 if (conduit_)
148 {
149 conduit_.detach;
150 conduit_ = null;
151 }
152 }
153 }
154
155