jdk8-mips64-public/jaxws: src/share/jaxws_classes/com/sun/xml/internal/org/jvnet/mimepull/PropUtil.java@b0610cd08440

     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  */

    26 /* FROM mail.jar */

    27 package com.sun.xml.internal.org.jvnet.mimepull;

    29 import java.util.*;

    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 {

    39     // No one should instantiate this class.

    40     private PropUtil() {

    41     }

    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         }

    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     }

    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     }

    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 }

Mercurial > jdk8-mips64-public > jaxws / file revision