< prev index next >

src/java.base/share/classes/sun/util/resources/Bundles.java

Print this page
rev 51958 : 8211122: Reduce the number of internal classes made accessible to jdk.unsupported
Reviewed-by: alanb, dfuchs, kvn
   1 /*
   2  * Copyright (c) 2015, 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


  39  */
  40 
  41 package sun.util.resources;
  42 
  43 import java.lang.ref.ReferenceQueue;
  44 import java.lang.ref.SoftReference;
  45 import java.security.AccessController;
  46 import java.security.PrivilegedAction;
  47 import java.util.Enumeration;
  48 import java.util.Iterator;
  49 import java.util.List;
  50 import java.util.Locale;
  51 import java.util.MissingResourceException;
  52 import java.util.Objects;
  53 import java.util.ResourceBundle;
  54 import java.util.ServiceConfigurationError;
  55 import java.util.ServiceLoader;
  56 import java.util.concurrent.ConcurrentHashMap;
  57 import java.util.concurrent.ConcurrentMap;
  58 import java.util.spi.ResourceBundleProvider;
  59 import jdk.internal.misc.JavaUtilResourceBundleAccess;
  60 import jdk.internal.misc.SharedSecrets;
  61 
  62 /**
  63  */
  64 public abstract class Bundles {
  65 
  66     /** initial size of the bundle cache */
  67     private static final int INITIAL_CACHE_SIZE = 32;
  68 
  69     /** constant indicating that no resource bundle exists */
  70     private static final ResourceBundle NONEXISTENT_BUNDLE = new ResourceBundle() {
  71             @Override
  72             public Enumeration<String> getKeys() { return null; }
  73             @Override
  74             protected Object handleGetObject(String key) { return null; }
  75             @Override
  76             public String toString() { return "NONEXISTENT_BUNDLE"; }
  77         };
  78 
  79     private static final JavaUtilResourceBundleAccess bundleAccess
  80                             = SharedSecrets.getJavaUtilResourceBundleAccess();


   1 /*
   2  * Copyright (c) 2015, 2018, 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


  39  */
  40 
  41 package sun.util.resources;
  42 
  43 import java.lang.ref.ReferenceQueue;
  44 import java.lang.ref.SoftReference;
  45 import java.security.AccessController;
  46 import java.security.PrivilegedAction;
  47 import java.util.Enumeration;
  48 import java.util.Iterator;
  49 import java.util.List;
  50 import java.util.Locale;
  51 import java.util.MissingResourceException;
  52 import java.util.Objects;
  53 import java.util.ResourceBundle;
  54 import java.util.ServiceConfigurationError;
  55 import java.util.ServiceLoader;
  56 import java.util.concurrent.ConcurrentHashMap;
  57 import java.util.concurrent.ConcurrentMap;
  58 import java.util.spi.ResourceBundleProvider;
  59 import jdk.internal.access.JavaUtilResourceBundleAccess;
  60 import jdk.internal.access.SharedSecrets;
  61 
  62 /**
  63  */
  64 public abstract class Bundles {
  65 
  66     /** initial size of the bundle cache */
  67     private static final int INITIAL_CACHE_SIZE = 32;
  68 
  69     /** constant indicating that no resource bundle exists */
  70     private static final ResourceBundle NONEXISTENT_BUNDLE = new ResourceBundle() {
  71             @Override
  72             public Enumeration<String> getKeys() { return null; }
  73             @Override
  74             protected Object handleGetObject(String key) { return null; }
  75             @Override
  76             public String toString() { return "NONEXISTENT_BUNDLE"; }
  77         };
  78 
  79     private static final JavaUtilResourceBundleAccess bundleAccess
  80                             = SharedSecrets.getJavaUtilResourceBundleAccess();


< prev index next >