Mercurial > jdk8-mips64-public > jaxws / file comparison
comparison: src/share/jaxws_classes/com/sun/xml/internal/org/jvnet/mimepull/PropUtil.java
src/share/jaxws_classes/com/sun/xml/internal/org/jvnet/mimepull/PropUtil.java
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| 1 /* | |
| 2 * Copyright (c) 1997, 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. Oracle designates this | |
| 8 * particular file as subject to the "Classpath" exception as provided | |
| 9 * by Oracle in the LICENSE file that accompanied this code. | |
| 10 * | |
| 11 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 * version 2 for more details (a copy is included in the LICENSE file that | |
| 15 * accompanied this code). | |
| 16 * | |
| 17 * You should have received a copy of the GNU General Public License version | |
| 18 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 20 * | |
| 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 22 * or visit www.oracle.com if you need additional information or have any | |
| 23 * questions. | |
| 24 */ | |
| 25 | |
| 26 /* FROM mail.jar */ | |
| 27 package com.sun.xml.internal.org.jvnet.mimepull; | |
| 28 | |
| 29 import java.util.*; | |
| 30 | |
| 31 /** | |
| 32 * Utilities to make it easier to get property values. | |
| 33 * Properties can be strings or type-specific value objects. | |
| 34 * | |
| 35 * @author Bill Shannon | |
| 36 */ | |
| 37 final class PropUtil { | |
| 38 | |
| 39 // No one should instantiate this class. | |
| 40 private PropUtil() { | |
| 41 } | |
| 42 | |
| 43 /** | |
| 44 * Get a boolean valued System property. | |
| 45 */ | |
| 46 public static boolean getBooleanSystemProperty(String name, boolean def) { | |
| 47 try { | |
| 48 return getBoolean(getProp(System.getProperties(), name), def); | |
| 49 } catch (SecurityException sex) { | |
| 50 // fall through... | |
| 51 } | |
| 52 | |
| 53 /* | |
| 54 * If we can't get the entire System Properties object because | |
| 55 * of a SecurityException, just ask for the specific property. | |
| 56 */ | |
| 57 try { | |
| 58 String value = System.getProperty(name); | |
| 59 if (value == null) { | |
| 60 return def; | |
| 61 } | |
| 62 if (def) { | |
| 63 return !value.equalsIgnoreCase("false"); | |
| 64 } else { | |
| 65 return value.equalsIgnoreCase("true"); | |
| 66 } | |
| 67 } catch (SecurityException sex) { | |
| 68 return def; | |
| 69 } | |
| 70 } | |
| 71 | |
| 72 /** | |
| 73 * Get the value of the specified property. | |
| 74 * If the "get" method returns null, use the getProperty method, | |
| 75 * which might cascade to a default Properties object. | |
| 76 */ | |
| 77 private static Object getProp(Properties props, String name) { | |
| 78 Object val = props.get(name); | |
| 79 if (val != null) { | |
| 80 return val; | |
| 81 } else { | |
| 82 return props.getProperty(name); | |
| 83 } | |
| 84 } | |
| 85 | |
| 86 /** | |
| 87 * Interpret the value object as a boolean, | |
| 88 * returning def if unable. | |
| 89 */ | |
| 90 private static boolean getBoolean(Object value, boolean def) { | |
| 91 if (value == null) { | |
| 92 return def; | |
| 93 } | |
| 94 if (value instanceof String) { | |
| 95 /* | |
| 96 * If the default is true, only "false" turns it off. | |
| 97 * If the default is false, only "true" turns it on. | |
| 98 */ | |
| 99 if (def) { | |
| 100 return !((String)value).equalsIgnoreCase("false"); | |
| 101 } else { | |
| 102 return ((String)value).equalsIgnoreCase("true"); | |
| 103 } | |
| 104 } | |
| 105 if (value instanceof Boolean) { | |
| 106 return ((Boolean)value).booleanValue(); | |
| 107 } | |
| 108 return def; | |
| 109 } | |
| 110 } |
