libjava/ChangeLog:
[official-gcc.git] / libjava / classpath / javax / activation / CommandInfo.java
blobd420c6ee1063fa5f47c23dd537644059465ed3e2
1 /* CommandInfo.java -- Description of the result of a command request.
2 Copyright (C) 2004 Free Software Foundation, Inc.
4 This file is part of GNU Classpath.
6 GNU Classpath is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
9 any later version.
11 GNU Classpath is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with GNU Classpath; see the file COPYING. If not, write to the
18 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
19 02110-1301 USA.
21 Linking this library statically or dynamically with other modules is
22 making a combined work based on this library. Thus, the terms and
23 conditions of the GNU General Public License cover the whole
24 combination.
26 As a special exception, the copyright holders of this library give you
27 permission to link this library with independent modules to produce an
28 executable, regardless of the license terms of these independent
29 modules, and to copy and distribute the resulting executable under
30 terms of your choice, provided that you also meet, for each linked
31 independent module, the terms and conditions of the license of that
32 module. An independent module is a module which is not derived from
33 or based on this library. If you modify this library, you may extend
34 this exception to your version of the library, but you are not
35 obligated to do so. If you do not wish to do so, delete this
36 exception statement from your version. */
38 package javax.activation;
40 import java.beans.Beans;
41 import java.io.Externalizable;
42 import java.io.InputStream;
43 import java.io.IOException;
44 import java.io.ObjectInputStream;
46 /**
47 * Description of the result of a command request.
49 * @author <a href='mailto:dog@gnu.org'>Chris Burdess</a>
50 * @version 1.1
52 public class CommandInfo
55 private final String verb;
56 private final String className;
58 /**
59 * Constructor.
60 * @param verb the command verb
61 * @param className the command class name
63 public CommandInfo(String verb, String className)
65 this.verb = verb;
66 this.className = className;
69 /**
70 * Returns the command verb.
72 public String getCommandName()
74 return verb;
77 /**
78 * Returns the command class name.
80 public String getCommandClass()
82 return className;
85 /**
86 * Returns the instantiated bean.
87 * If the bean implements <code>CommandObject</code>, its
88 * <code>setCommandContext</code> method will be called.
89 * @param dh the data handler describing the command data
90 * @param loader the class loader used to instantiate the bean
92 public Object getCommandObject(DataHandler dh, ClassLoader loader)
93 throws IOException, ClassNotFoundException
95 Object object = Beans.instantiate(loader, className);
96 if (object != null)
98 if (object instanceof CommandObject)
100 CommandObject command = (CommandObject)object;
101 command.setCommandContext(verb, dh);
103 else if (dh != null && (object instanceof Externalizable))
105 InputStream in = dh.getInputStream();
106 if (in != null)
108 Externalizable externalizable = (Externalizable)object;
109 externalizable.readExternal(new ObjectInputStream(in));
113 return object;