1 // ========================================================================
2 // Copyright (c) 2004-2009 Mort Bay Consulting Pty. Ltd.
3 // ------------------------------------------------------------------------
4 // All rights reserved. This program and the accompanying materials
5 // are made available under the terms of the Eclipse Public License v1.0
6 // and Apache License v2.0 which accompanies this distribution.
7 // The Eclipse Public License is available at
8 // http://www.eclipse.org/legal/epl-v10.html
9 // The Apache License v2.0 is available at
10 // http://www.opensource.org/licenses/apache2.0.php
11 // You may elect to redistribute this code under either of these licenses.
12 // ========================================================================
13
14 package org.eclipse.jetty.server.handler;
15
16
17 import org.eclipse.jetty.server.Handler;
18 import org.eclipse.jetty.server.Server;
19 import org.eclipse.jetty.util.component.AbstractLifeCycle;
20 import org.eclipse.jetty.util.log.Log;
21
22
23 /* ------------------------------------------------------------ */
24 /** AbstractHandler.
25 *
26 *
27 */
28 public abstract class AbstractHandler extends AbstractLifeCycle implements Handler
29 {
30 private Server _server;
31
32 /* ------------------------------------------------------------ */
33 /**
34 *
35 */
36 public AbstractHandler()
37 {
38 }
39
40 /* ------------------------------------------------------------ */
41 /*
42 * @see org.eclipse.thread.LifeCycle#start()
43 */
44 protected void doStart() throws Exception
45 {
46 Log.debug("starting {}",this);
47 }
48
49 /* ------------------------------------------------------------ */
50 /*
51 * @see org.eclipse.thread.LifeCycle#stop()
52 */
53 protected void doStop() throws Exception
54 {
55 Log.debug("stopping {}",this);
56 }
57
58 /* ------------------------------------------------------------ */
59 public String toString()
60 {
61 StringBuilder b=new StringBuilder();
62 String s=super.toString();
63 b.append(s,s.lastIndexOf('.')+1,s.length());
64 ContextHandler.Context ctx = ContextHandler.getCurrentContext();
65 if (ctx!=null && ctx.getContextPath()!=null && !(this instanceof ContextHandler))
66 {
67 b.append('@');
68 b.append(ctx.getContextPath());
69
70 }
71 return b.toString();
72 }
73
74 /* ------------------------------------------------------------ */
75 public void setServer(Server server)
76 {
77 Server old_server=_server;
78 if (old_server!=null && old_server!=server)
79 old_server.getContainer().removeBean(this);
80 _server=server;
81 if (_server!=null && _server!=old_server)
82 _server.getContainer().addBean(this);
83 }
84
85 /* ------------------------------------------------------------ */
86 public Server getServer()
87 {
88 return _server;
89 }
90
91
92 /* ------------------------------------------------------------ */
93 public void destroy()
94 {
95 if (!isStopped())
96 throw new IllegalStateException("!STOPPED");
97 if (_server!=null)
98 _server.getContainer().removeBean(this);
99 }
100
101
102 /* ------------------------------------------------------------ */
103 public String dump()
104 {
105 StringBuilder b = new StringBuilder();
106 dump(b,"");
107 return b.toString();
108 }
109
110 /* ------------------------------------------------------------ */
111 protected void dump(StringBuilder b,String indent)
112 {
113 b.append(toString());
114 b.append(isStarted()?" started":" STOPPED");
115 b.append('\n');
116 }
117
118 }