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18 package org.apache.log4j.spi;
19
20 import org.apache.log4j.Appender;
21 import java.util.Enumeration;
22
23 /***
24 Interface for attaching appenders to objects.
25
26 @author Ceki Gülcü
27 @since 0.9.1 */
28 public interface AppenderAttachable {
29
30 /***
31 Add an appender.
32 */
33 public
34 void addAppender(Appender newAppender);
35
36 /***
37 Get all previously added appenders as an Enumeration. */
38 public
39 Enumeration getAllAppenders();
40
41 /***
42 Get an appender by name.
43 */
44 public
45 Appender getAppender(String name);
46
47
48 /***
49 Returns <code>true</code> if the specified appender is in list of
50 attached attached, <code>false</code> otherwise.
51
52 @since 1.2 */
53 public
54 boolean isAttached(Appender appender);
55
56 /***
57 Remove all previously added appenders.
58 */
59 void removeAllAppenders();
60
61
62 /***
63 Remove the appender passed as parameter from the list of appenders.
64 */
65 void removeAppender(Appender appender);
66
67
68 /***
69 Remove the appender with the name passed as parameter from the
70 list of appenders.
71 */
72 void
73 removeAppender(String name);
74 }
75