1//
2//  ========================================================================
3//  Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd.
4//  ------------------------------------------------------------------------
5//  All rights reserved. This program and the accompanying materials
6//  are made available under the terms of the Eclipse Public License v1.0
7//  and Apache License v2.0 which accompanies this distribution.
8//
9//      The Eclipse Public License is available at
10//      http://www.eclipse.org/legal/epl-v10.html
11//
12//      The Apache License v2.0 is available at
13//      http://www.opensource.org/licenses/apache2.0.php
14//
15//  You may elect to redistribute this code under either of these licenses.
16//  ========================================================================
17//
18
19package org.eclipse.jetty.server.handler.jmx;
20
21import java.io.IOException;
22
23import org.eclipse.jetty.jmx.ObjectMBean;
24import org.eclipse.jetty.server.Server;
25import org.eclipse.jetty.server.handler.AbstractHandler;
26import org.eclipse.jetty.server.handler.AbstractHandlerContainer;
27import org.eclipse.jetty.server.handler.ContextHandler;
28import org.eclipse.jetty.util.log.Log;
29import org.eclipse.jetty.util.log.Logger;
30
31public class AbstractHandlerMBean extends ObjectMBean
32{
33    private static final Logger LOG = Log.getLogger(AbstractHandlerMBean.class);
34
35    /* ------------------------------------------------------------ */
36    public AbstractHandlerMBean(Object managedObject)
37    {
38        super(managedObject);
39    }
40
41    /* ------------------------------------------------------------ */
42    @Override
43    public String getObjectContextBasis()
44    {
45        if (_managed != null )
46        {
47            String basis = null;
48            if (_managed instanceof ContextHandler)
49            {
50                return null;
51            }
52            else if (_managed instanceof AbstractHandler)
53            {
54                AbstractHandler handler = (AbstractHandler)_managed;
55                Server server = handler.getServer();
56                if (server != null)
57                {
58                    ContextHandler context =
59                        AbstractHandlerContainer.findContainerOf(server,
60                                ContextHandler.class, handler);
61
62                    if (context != null)
63                        basis = getContextName(context);
64                }
65            }
66            if (basis != null)
67                return basis;
68        }
69        return super.getObjectContextBasis();
70    }
71
72    /* ------------------------------------------------------------ */
73    @Override
74    public String getObjectNameBasis()
75    {
76        if (_managed != null )
77        {
78            String name = null;
79            if (_managed instanceof ContextHandler)
80            {
81                ContextHandler context = (ContextHandler)_managed;
82                name = getContextName(context);
83            }
84
85            if (name != null)
86                return name;
87        }
88
89        return super.getObjectNameBasis();
90    }
91
92    /* ------------------------------------------------------------ */
93    protected String getContextName(ContextHandler context)
94    {
95        String name = null;
96
97        if (context.getContextPath()!=null && context.getContextPath().length()>0)
98        {
99            int idx = context.getContextPath().lastIndexOf('/');
100            name = idx < 0 ? context.getContextPath() : context.getContextPath().substring(++idx);
101            if (name==null || name.length()==0)
102                name= "ROOT";
103        }
104
105        if (name==null && context.getBaseResource()!=null)
106        {
107            try
108            {
109                if (context.getBaseResource().getFile()!=null)
110                    name = context.getBaseResource().getFile().getName();
111            }
112            catch(IOException e)
113            {
114                LOG.ignore(e);
115                name=context.getBaseResource().getName();
116            }
117        }
118
119        return name;
120    }
121}
122