jdk8-mips64-public/corba: src/share/classes/com/sun/corba/se/spi/orb/ParserImplBase.java@6845b95cba6b

     1 /*

     2  * Copyright (c) 2002, 2010, 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 package com.sun.corba.se.spi.orb ;

    27 import java.util.Map ;

    28 import java.util.Set ;

    29 import java.util.Iterator ;

    30 import java.util.Properties ;

    32 import java.security.PrivilegedExceptionAction ;

    33 import java.security.PrivilegedActionException ;

    34 import java.security.AccessController ;

    36 import java.lang.reflect.Field ;

    38 import org.omg.CORBA.INTERNAL ;

    40 import com.sun.corba.se.spi.logging.CORBALogDomains ;

    42 import com.sun.corba.se.impl.logging.ORBUtilSystemException ;

    44 import com.sun.corba.se.impl.orbutil.ObjectUtility ;

    46 // XXX This could probably be further extended by using more reflection and

    47 // a dynamic proxy that satisfies the interfaces that are inherited by the

    48 // more derived class.  Do we want to go that far?

    49 public abstract class ParserImplBase {

    50     private ORBUtilSystemException wrapper ;

    52     protected abstract PropertyParser makeParser() ;

    54     /** Override this method if there is some needed initialization

    55     * that takes place after argument parsing.  It is always called

    56     * at the end of setFields.

    57     */

    58     protected void complete()

    59     {

    60     }

    62     public ParserImplBase()

    63     {

    64         // Do nothing in this case: no parsing takes place

    65         wrapper = ORBUtilSystemException.get(

    66             CORBALogDomains.ORB_LIFECYCLE ) ;

    67     }

    69     public void init( DataCollector coll )

    70     {

    71         PropertyParser parser = makeParser() ;

    72         coll.setParser( parser ) ;

    73         Properties props = coll.getProperties() ;

    74         Map map = parser.parse( props ) ;

    75         setFields( map ) ;

    76     }

    78     private Field getAnyField( String name )

    79     {

    80         Field result = null ;

    82         try {

    83             Class cls = this.getClass() ;

    84             result = cls.getDeclaredField( name ) ;

    85             while (result == null) {

    86                 cls = cls.getSuperclass() ;

    87                 if (cls == null)

    88                     break ;

    90                 result = cls.getDeclaredField( name ) ;

    91             }

    92         } catch (Exception exc) {

    93             throw wrapper.fieldNotFound( exc, name ) ;

    94         }

    96         if (result == null)

    97             throw wrapper.fieldNotFound( name ) ;

    99         return result ;

   100     }

   102     protected void setFields( Map map )

   103     {

   104         Set entries = map.entrySet() ;

   105         Iterator iter = entries.iterator() ;

   106         while (iter.hasNext()) {

   107             java.util.Map.Entry entry = (java.util.Map.Entry)(iter.next()) ;

   108             final String name = (String)(entry.getKey()) ;

   109             final Object value = entry.getValue() ;

   111             try {

   112                 AccessController.doPrivileged(

   113                     new PrivilegedExceptionAction() {

   114                         public Object run() throws IllegalAccessException,

   115                             IllegalArgumentException

   116                         {

   117                             Field field = getAnyField( name ) ;

   118                             field.setAccessible( true ) ;

   119                             field.set( ParserImplBase.this, value ) ;

   120                             return null ;

   121                         }

   122                     }

   123                 ) ;

   124             } catch (PrivilegedActionException exc) {

   125                 // Since exc wraps the actual exception, use exc.getCause()

   126                 // instead of exc.

   127                 throw wrapper.errorSettingField( exc.getCause(), name,

   128                     value.toString() ) ;

   129             }

   130         }

   132         // Make sure that any extra initialization takes place after all the

   133         // fields are set from the map.

   134         complete() ;

   135     }

   136 }

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