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.  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 package sun.util.locale.provider;

    27 

    28 import java.lang.reflect.InvocationTargetException;

    29 import java.lang.reflect.Method;

    30 import java.util.spi.LocaleServiceProvider;

    31 

    32 /**

    33  * LocaleProviderAdapter implementation for the host locale data.

    34  * Currently it is only implemented on Windows Vista or later.

    35  *

    36  * @author Naoto Sato

    37  */

    38 public class HostLocaleProviderAdapter extends AuxLocaleProviderAdapter {

    39 

    40     /**

    41      * Returns the type of this LocaleProviderAdapter

    42      */

    43     @Override

    44     public LocaleProviderAdapter.Type getAdapterType() {

    45         return LocaleProviderAdapter.Type.HOST;

    46     }

    47 

    48     @Override

    49     @SuppressWarnings("unchecked")

    50     protected <P extends LocaleServiceProvider> P findInstalledProvider(final Class<P> c) {

    51         try {

    52             Method getter = HostLocaleProviderAdapterImpl.class.getMethod(

    53                     "get" + c.getSimpleName(), (Class<?>[]) null);

    54             return (P)getter.invoke(null, (Object[]) null);

    55         }  catch (NoSuchMethodException |

    56                   IllegalAccessException |

    57                   IllegalArgumentException |

    58                   InvocationTargetException ex) {

    59             LocaleServiceProviderPool.config(HostLocaleProviderAdapter.class, ex.toString());

    60         }

    61         return null;

    62     }

    63 }