1 // ========================================================================
2 // Copyright (c) 2006-2009 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.deploy;
15
16 import java.io.FileNotFoundException;
17 import java.io.IOException;
18 import java.net.MalformedURLException;
19 import java.util.Map;
20 import java.util.Properties;
21
22 import org.eclipse.jetty.util.resource.Resource;
23
24 /**
25 * FileConfigurationManager
26 *
27 * Supplies properties defined in a file.
28 */
29 public class FileConfigurationManager implements ConfigurationManager
30 {
31 private Resource _file;
32 private Properties _properties = new Properties();
33
34 public FileConfigurationManager()
35 {
36 }
37
38
39 public void setFile (String filename)
40 throws MalformedURLException, IOException
41 {
42 _file = Resource.newResource(filename);
43 }
44
45
46 /**
47 * @see org.eclipse.jetty.deploy.ConfigurationManager#getProperties()
48 */
49 public Map getProperties()
50 {
51 try
52 {
53 loadProperties();
54 return _properties;
55 }
56 catch (Exception e)
57 {
58 throw new RuntimeException(e);
59 }
60 }
61
62
63 private void loadProperties ()
64 throws FileNotFoundException, IOException
65 {
66 if (_properties.isEmpty())
67 _properties.load(_file.getInputStream());
68 }
69 }