1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
|
/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
package org.apache.qpid.agent;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.qpid.agent.binding.BindingUtils;
import org.apache.qpid.agent.binding.MethodBinding;
import org.apache.qpid.agent.binding.PropertyBinding;
/**
* Wrapper classe for adding EJBS which are to be managed by the QMF Agent. The
* jndi location and the public interface to exposed are used to generate the
* schema.
*/
public class ManagedEJB extends ManagedObjectBase
{
private Log log = LogFactory.getLog(ManagedEJB.class);
protected String className;
protected String jndiLocation;
protected ClassLoader classLoader;
protected Object getEJB()
{
ClassLoader previousCL = Thread.currentThread().getContextClassLoader();
try
{
if (classLoader != null)
{
Thread.currentThread().setContextClassLoader(classLoader);
}
InitialContext ctx = new InitialContext();
return ctx.lookup(jndiLocation);
} catch (NamingException e)
{
throw new AgentException("Error looking up EJB at " + jndiLocation,
e);
} finally
{
Thread.currentThread().setContextClassLoader(previousCL);
}
}
@Override
public Object get(PropertyBinding property)
{
return BindingUtils.get(property, this.getEJB());
}
@Override
public long getId()
{
return System.identityHashCode(this);
}
@Override
public Class getObjectClass()
{
try
{
if (classLoader != null)
{
log.debug("Using the classloader");
return classLoader.loadClass(className);
} else
{
return Class.forName(className);
}
} catch (ClassNotFoundException e)
{
throw new AgentException(String.format(
"No class named %s was found", className), e);
}
}
@Override
public Object[] invoke(MethodBinding method, Object... args)
{
return BindingUtils.invoke(method, this.getEJB(), args);
}
@Override
public void set(PropertyBinding property, Object value)
{
BindingUtils.set(property, value, this.getEJB());
}
public String getClassName()
{
return className;
}
public void setClassName(String className)
{
this.className = className;
}
public String getJndiLocation()
{
return jndiLocation;
}
public void setJndiLocation(String jndiLocation)
{
this.jndiLocation = jndiLocation;
}
public ClassLoader getClassLoader()
{
return classLoader;
}
public void setClassLoader(ClassLoader cloader)
{
this.classLoader = cloader;
}
}
|
