1 /*
   2  * Copyright (c) 2002, 2003, 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 com.sun.corba.se.spi.resolver ;
  27 
  28 import java.io.File ;
  29 
  30 import com.sun.corba.se.impl.resolver.LocalResolverImpl ;
  31 import com.sun.corba.se.impl.resolver.ORBInitRefResolverImpl ;
  32 import com.sun.corba.se.impl.resolver.ORBDefaultInitRefResolverImpl ;
  33 import com.sun.corba.se.impl.resolver.BootstrapResolverImpl ;
  34 import com.sun.corba.se.impl.resolver.CompositeResolverImpl ;
  35 import com.sun.corba.se.impl.resolver.INSURLOperationImpl ;
  36 import com.sun.corba.se.impl.resolver.SplitLocalResolverImpl ;
  37 import com.sun.corba.se.impl.resolver.FileResolverImpl ;
  38 
  39 import com.sun.corba.se.spi.orb.ORB ;
  40 import com.sun.corba.se.spi.orb.Operation ;
  41 import com.sun.corba.se.spi.orb.StringPair ;
  42 
  43 /** Utility class that provides factory methods for all of the
  44  * standard resolvers that we provide.
  45  */
  46 public class ResolverDefault {
  47     /** Return a local resolver that simply stores bindings in a map.
  48     */
  49     public static LocalResolver makeLocalResolver( )
  50     {
  51         return new LocalResolverImpl() ;
  52     }
  53 
  54     /** Return a resolver that relies on configured values of ORBInitRef for data.
  55     */
  56     public static Resolver makeORBInitRefResolver( Operation urlOperation,
  57         StringPair[] initRefs )
  58     {
  59         return new ORBInitRefResolverImpl( urlOperation, initRefs ) ;
  60     }
  61 
  62     public static Resolver makeORBDefaultInitRefResolver( Operation urlOperation,
  63         String defaultInitRef )
  64     {
  65         return new ORBDefaultInitRefResolverImpl( urlOperation,
  66             defaultInitRef ) ;
  67     }
  68 
  69     /** Return a resolver that uses the proprietary bootstrap protocol
  70     * to implement a resolver.  Obtains the necessary host and port
  71     * information from the ORB.
  72     */
  73     public static Resolver makeBootstrapResolver( ORB orb, String host, int port )
  74     {
  75         return new BootstrapResolverImpl( orb, host, port ) ;
  76     }
  77 
  78     /** Return a resolver composed of the two given resolvers.  result.list() is the
  79     * union of first.list() and second.list().  result.resolve( name ) returns
  80     * first.resolve( name ) if that is not null, otherwise returns the result of
  81     * second.resolve( name ).
  82     */
  83     public static Resolver makeCompositeResolver( Resolver first, Resolver second )
  84     {
  85         return new CompositeResolverImpl( first, second ) ;
  86     }
  87 
  88     public static Operation makeINSURLOperation( ORB orb, Resolver bootstrapResolver )
  89     {
  90         return new INSURLOperationImpl(
  91             (com.sun.corba.se.spi.orb.ORB)orb, bootstrapResolver ) ;
  92     }
  93 
  94     public static LocalResolver makeSplitLocalResolver( Resolver resolver,
  95         LocalResolver localResolver )
  96     {
  97         return new SplitLocalResolverImpl( resolver, localResolver ) ;
  98     }
  99 
 100     public static Resolver makeFileResolver( ORB orb, File file )
 101     {
 102         return new FileResolverImpl( orb, file ) ;
 103     }
 104 }