1 /*

     2  * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.

     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

     6  * under the terms of the GNU General Public License version 2 only, as

     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.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    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 

    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 

    67     static void assertTrue(boolean b, String msg) {

    68         if (!b) throw new RuntimeException(msg);

    69     }

    70 }