1 /*
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3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4  *
5  * This code is free software; you can redistribute it and/or modify it
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7  * published by the Free Software Foundation.
8  *
9  * This code is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12  * version 2 for more details (a copy is included in the LICENSE file that
13  * accompanied this code).
14  *
15  * You should have received a copy of the GNU General Public License version
16  * 2 along with this work; if not, write to the Free Software Foundation,
17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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22  */
23 /*
24  * @test
25  * @bug 8000354
26  * @summary Test
27  * @compile -XDignore.symbol.file CustomProvider.java MyXmlPropertiesProvider.java
28  * @run main/othervm -Dsun.util.spi.XmlPropertiesProvider=MyXmlPropertiesProvider CustomProvider
29  */
30 
31 import java.util.*;
32 import java.io.*;
33 
34 /**
35  * Sanity test to verify that the property sun.util.spi.XmlPropertiesProvider
36  * can be used to specify a custom provider for loading/storing properties
37  * in XML format.
38  */
39 public class CustomProvider {
40 
main(String[] args)41     public static void main(String[] args) throws IOException {
42         String provider = System.getProperty("sun.util.spi.XmlPropertiesProvider");
43         assertTrue(provider != null, "sun.util.spi.XmlPropertiesProvider not set");
44 
45         OutputStream out = new ByteArrayOutputStream();
46         InputStream in = new ByteArrayInputStream(new byte[100]);
47 
48         Properties props;
49 
50         props = new Properties();
51         props.loadFromXML(in);
52 
53         props = System.getProperties();
54         props.storeToXML(out, "comment");
55         props.storeToXML(out, "comment", "UTF-8");
56 
57         // check that the provider's load and store methods have been invoked
58 
59         assertTrue(MyXmlPropertiesProvider.createCount() == 1,
60             "Provider should only be created once");
61         assertTrue(MyXmlPropertiesProvider.loadCount() == 1,
62             "load method expected to be called once");
63         assertTrue(MyXmlPropertiesProvider.storeCount() == 2,
64              "store method expected to be called twice");
65     }
66 
assertTrue(boolean b, String msg)67     static void assertTrue(boolean b, String msg) {
68         if (!b) throw new RuntimeException(msg);
69     }
70 }
71