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 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