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 ()
51 internal TraceListenerCollection (bool addDefault)
54 Add (new DefaultTraceListener ());
58 get {return listeners.Count;}
61 public TraceListener this [string name] {
63 lock (listeners.SyncRoot) {
64 foreach (TraceListener listener in listeners) {
65 if (listener.Name == name)
73 public TraceListener this [int index] {
74 get {return (TraceListener) listeners[index];}
76 InitializeListener (value);
77 listeners[index] = value;
81 object IList.this [int index] {
82 get {return listeners[index];}
84 TraceListener l = (TraceListener) value;
85 InitializeListener (l);
90 bool ICollection.IsSynchronized {
91 get {return listeners.IsSynchronized;}
94 object ICollection.SyncRoot {
95 get {return listeners.SyncRoot;}
98 bool IList.IsFixedSize {
99 get {return listeners.IsFixedSize;}
102 bool IList.IsReadOnly {
103 get {return listeners.IsReadOnly;}
106 public int Add (TraceListener listener)
108 InitializeListener (listener);
109 return listeners.Add (listener);
113 internal void Add (TraceListener listener, TraceImplSettings settings)
115 listener.IndentLevel = settings.IndentLevel;
116 listener.IndentSize = settings.IndentSize;
117 listeners.Add (listener);
121 private void InitializeListener (TraceListener listener)
123 listener.IndentLevel = TraceImpl.IndentLevel;
124 listener.IndentSize = TraceImpl.IndentSize;
127 private void InitializeRange (IList listeners)
129 int e = listeners.Count;
130 for (int i = 0; i != e; ++i)
132 (TraceListener) listeners[i]);
135 public void AddRange (TraceListener[] value)
137 InitializeRange (value);
138 listeners.AddRange (value);
141 public void AddRange (TraceListenerCollection value)
143 InitializeRange (value);
144 listeners.AddRange (value.listeners);
152 public bool Contains (TraceListener listener)
154 return listeners.Contains (listener);
157 public void CopyTo (TraceListener[] listeners, int index)
159 listeners.CopyTo (listeners, index);
162 public IEnumerator GetEnumerator ()
164 return listeners.GetEnumerator ();
167 void ICollection.CopyTo (Array array, int index)
169 listeners.CopyTo (array, index);
172 int IList.Add (object value)
174 if (value is TraceListener)
175 return Add ((TraceListener) value);
176 throw new NotSupportedException (Locale.GetText (
177 "You can only add TraceListener objects to the collection"));
180 bool IList.Contains (object value)
182 if (value is TraceListener)
183 return listeners.Contains (value);
187 int IList.IndexOf (object value)
189 if (value is TraceListener)
190 return listeners.IndexOf (value);
194 void IList.Insert (int index, object value)
196 if (value is TraceListener) {
197 Insert (index, (TraceListener) value);
200 throw new NotSupportedException (Locale.GetText (
201 "You can only insert TraceListener objects into the collection"));
204 void IList.Remove (object value)
206 if (value is TraceListener)
207 listeners.Remove (value);
210 public int IndexOf (TraceListener listener)
212 return listeners.IndexOf (listener);
215 public void Insert (int index, TraceListener listener)
217 InitializeListener (listener);
218 listeners.Insert (index, listener);
221 public void Remove (string name)
223 TraceListener found = null;
225 lock (listeners.SyncRoot) {
226 foreach (TraceListener listener in listeners) {
227 if (listener.Name == name) {
234 listeners.Remove (found);
236 throw new ArgumentException (Locale.GetText (
237 "TraceListener " + name + " was not in the collection"));
241 public void Remove (TraceListener listener)
243 listeners.Remove (listener);
246 public void RemoveAt (int index)
248 listeners.RemoveAt (index);