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 @Override
45 protected void doStart() throws Exception
46 {
47 Log.debug("starting {}",this);
48 }
49
50 /* ------------------------------------------------------------ */
51 /*
52 * @see org.eclipse.thread.LifeCycle#stop()
53 */
54 @Override
55 protected void doStop() throws Exception
56 {
57 Log.debug("stopping {}",this);
58 }
59
60 /* ------------------------------------------------------------ */
61 @Override
62 public String toString()
63 {
64 StringBuilder b=new StringBuilder();
65 String s=super.toString();
66 b.append(s,s.lastIndexOf('.')+1,s.length());
67 ContextHandler.Context ctx = ContextHandler.getCurrentContext();
68 if (ctx!=null && ctx.getContextPath()!=null && !(this instanceof ContextHandler))
69 {
70 b.append('@');
71 b.append(ctx.getContextPath());
72
73 }
74 return b.toString();
75 }
76
77 /* ------------------------------------------------------------ */
78 public void setServer(Server server)
79 {
80 Server old_server=_server;
81 if (old_server!=null && old_server!=server)
82 old_server.getContainer().removeBean(this);
83 _server=server;
84 if (_server!=null && _server!=old_server)
85 _server.getContainer().addBean(this);
86 }
87
88 /* ------------------------------------------------------------ */
89 public Server getServer()
90 {
91 return _server;
92 }
93
94
95 /* ------------------------------------------------------------ */
96 public void destroy()
97 {
98 if (!isStopped())
99 throw new IllegalStateException("!STOPPED");
100 if (_server!=null)
101 _server.getContainer().removeBean(this);
102 }
103
104
105 /* ------------------------------------------------------------ */
106 public String dump()
107 {
108 StringBuilder b = new StringBuilder();
109 dump(b,"");
110 return b.toString();
111 }
112
113 /* ------------------------------------------------------------ */
114 protected void dump(StringBuilder b,String indent)
115 {
116 b.append(toString());
117 b.append(isStarted()?" started":" STOPPED");
118 b.append('\n');
119 }
120
121 }