2 // System.Diagnostics.TraceListenerCollection.cs
5 // Jonathan Pryor (jonpryor@vt.edu)
7 // Comments from John R. Hicks <angryjohn69@nc.rr.com> original implementation
8 // can be found at: /mcs/docs/apidocs/xml/en/System.Diagnostics
10 // (C) 2002 Jonathan Pryor
14 // Permission is hereby granted, free of charge, to any person obtaining
15 // a copy of this software and associated documentation files (the
16 // "Software"), to deal in the Software without restriction, including
17 // without limitation the rights to use, copy, modify, merge, publish,
18 // distribute, sublicense, and/or sell copies of the Software, and to
19 // permit persons to whom the Software is furnished to do so, subject to
20 // the following conditions:
22 // The above copyright notice and this permission notice shall be
23 // included in all copies or substantial portions of the Software.
25 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
26 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
29 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
30 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
31 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
36 using System.Collections;
37 using System.Diagnostics;
38 using System.Globalization;
40 namespace System.Diagnostics {
42 public class TraceListenerCollection : IList, ICollection, IEnumerable {
44 private ArrayList listeners = ArrayList.Synchronized (new ArrayList (1));
46 internal TraceListenerCollection ()
48 Add (new DefaultTraceListener ());
52 get {return listeners.Count;}
55 public TraceListener this [string name] {
57 lock (listeners.SyncRoot) {
58 foreach (TraceListener listener in listeners) {
59 if (listener.Name == name)
67 public TraceListener this [int index] {
68 get {return (TraceListener) listeners[index];}
70 InitializeListener (value);
71 listeners[index] = value;
75 object IList.this [int index] {
76 get {return listeners[index];}
78 TraceListener l = (TraceListener) value;
79 InitializeListener (l);
84 bool ICollection.IsSynchronized {
85 get {return listeners.IsSynchronized;}
88 object ICollection.SyncRoot {
89 get {return listeners.SyncRoot;}
92 bool IList.IsFixedSize {
93 get {return listeners.IsFixedSize;}
96 bool IList.IsReadOnly {
97 get {return listeners.IsReadOnly;}
100 public int Add (TraceListener listener)
102 InitializeListener (listener);
103 return listeners.Add (listener);
106 private void InitializeListener (TraceListener listener)
108 listener.IndentLevel = TraceImpl.IndentLevel;
109 listener.IndentSize = TraceImpl.IndentSize;
112 private void InitializeRange (IList listeners)
114 int e = listeners.Count;
115 for (int i = 0; i != e; ++i)
117 (TraceListener) listeners[i]);
120 public void AddRange (TraceListener[] value)
122 InitializeRange (value);
123 listeners.AddRange (value);
126 public void AddRange (TraceListenerCollection value)
128 InitializeRange (value);
129 listeners.AddRange (value.listeners);
137 public bool Contains (TraceListener listener)
139 return listeners.Contains (listener);
142 public void CopyTo (TraceListener[] listeners, int index)
144 listeners.CopyTo (listeners, index);
147 public IEnumerator GetEnumerator ()
149 return listeners.GetEnumerator ();
152 void ICollection.CopyTo (Array array, int index)
154 listeners.CopyTo (array, index);
157 int IList.Add (object value)
159 if (value is TraceListener)
160 return Add ((TraceListener) value);
161 throw new NotSupportedException (Locale.GetText (
162 "You can only add TraceListener objects to the collection"));
165 bool IList.Contains (object value)
167 if (value is TraceListener)
168 return listeners.Contains (value);
172 int IList.IndexOf (object value)
174 if (value is TraceListener)
175 return listeners.IndexOf (value);
179 void IList.Insert (int index, object value)
181 if (value is TraceListener) {
182 Insert (index, (TraceListener) value);
185 throw new NotSupportedException (Locale.GetText (
186 "You can only insert TraceListener objects into the collection"));
189 void IList.Remove (object value)
191 if (value is TraceListener)
192 listeners.Remove (value);
195 public int IndexOf (TraceListener listener)
197 return listeners.IndexOf (listener);
200 public void Insert (int index, TraceListener listener)
202 InitializeListener (listener);
203 listeners.Insert (index, listener);
206 public void Remove (string name)
208 TraceListener found = null;
210 lock (listeners.SyncRoot) {
211 foreach (TraceListener listener in listeners) {
212 if (listener.Name == name) {
219 listeners.Remove (found);
221 throw new ArgumentException (Locale.GetText (
222 "TraceListener " + name + " was not in the collection"));
226 public void Remove (TraceListener listener)
228 listeners.Remove (listener);
231 public void RemoveAt (int index)
233 listeners.RemoveAt (index);