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1 /* ====================================================================
2 * License:
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in
13 * the documentation and/or other materials provided with the
14 * distribution.
15 *
16 * 3. The end-user documentation included with the redistribution,
17 * if any, must include the following acknowledgment:
18 * "This product includes software developed by
19 * Robert Half International (http://www.rhi.com/)."
20 * Alternately, this acknowledgment may appear in the software itself,
21 * if and wherever such third-party acknowledgments normally appear.
22 *
23 * 4. The names "Parc", "RHI", and "Robert Half International" must
24 * not be used to endorse or promote products derived from this
25 * software without prior written permission. For written
26 * permission, please contact pete.mckinstry@rhi.com.
27 *
28 * 5. Products derived from this software may not be called "PARC",
29 * nor may "PARC" appear in their name, without prior written
30 * permission of Robert Half International.
31 *
32 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
33 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
34 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
35 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
36 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
37 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
38 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
39 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
40 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
41 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
42 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
43 * SUCH DAMAGE.
44 * ====================================================================
45 *
46 */
47 package com.rhi.architecture.lang;
48
49 import java.io.IOException;
50 import java.io.InputStream;
51 import java.util.Properties;
52
53 /***
54 * PropertyUtils - Utility methods for dealing w/ Property files.
55 *
56 * @author <a href="mailto:vairan01@rhi.com">Vaibhav Ranjangaonkar</a>
57 */
58 public class PropertyUtils {
59
60 /***
61 * vanilla loading method for Properties files. Hides some of the details.
62 *
63 * @param filename
64 * @return Properties object.
65 * @throws PropertiesException
66 */
67 public static Properties loadProperties(String filename)
68 throws PropertiesException {
69 try {
70 InputStream is = Thread.currentThread().getContextClassLoader().
71 getResourceAsStream(filename);
72 if (is==null) {
73 throw new PropertiesException("Error: " +
74 filename + " not found in classpath");
75 }
76 Properties p = new Properties();
77 p.load(is);
78 return p;
79 }
80 catch (IOException e) {
81 throw new PropertiesException(e);
82 }
83 }
84
85 /***
86 * load a .properties file. Takes a flag specifying whether or not it
87 * should resolve include references. (isComposite==true will attempt to
88 * load nested property file references. false will not)
89 *
90 * @param fileName
91 * @param isComposite
92 * @return Properties object.
93 * @throws PropertiesException
94 */
95 public static Properties loadProperties( String fileName, boolean isComposite )
96 throws PropertiesException {
97 if ( ! isComposite ) {
98 return loadProperties( fileName );
99 }
100 return new CompositeProperties( fileName );
101 }
102
103 }
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