jdk8-mips64-public/corba: src/share/classes/sun/rmi/rmic/iiop/NameContext.java@9c913ea7e4a1 (annotated)

src/share/classes/sun/rmi/rmic/iiop/NameContext.java@9c913ea7e4a1 (annotated)

src/share/classes/sun/rmi/rmic/iiop/NameContext.java

Thu, 24 May 2018 16:41:12 +0800

author: aoqi
date: Thu, 24 May 2018 16:41:12 +0800
changeset 1410: 9c913ea7e4a1
parent 748: 6845b95cba6b
permissions: -rw-r--r--

Merge

 /*
  * Copyright (c) 1998, 2007, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.  Oracle designates this
  * particular file as subject to the "Classpath" exception as provided
  * by Oracle in the LICENSE file that accompanied this code.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
 /*
  * Licensed Materials - Property of IBM
  * RMI-IIOP v1.0
  * Copyright IBM Corp. 1998 1999  All Rights Reserved
  *
  */
 package sun.rmi.rmic.iiop;
 import java.util.Hashtable;
 /**
  * A NameContext enables detection of strings which differ only
  * in case.
  *
  * @author      Bryan Atsatt
  */
 class NameContext {
     private Hashtable table;
     private boolean allowCollisions;
     /**
      * Get a context for the given name. Name may be null, in
      * which case this method will return the default context.
      */
     public static synchronized NameContext forName (String name,
                                                     boolean allowCollisions,
                                                     BatchEnvironment env) {
         NameContext result = null;
         // Do we need to use the default context?
         if (name == null) {
             // Yes.
             name = "null";
         }
         // Have we initialized our hashtable?
         if (env.nameContexts == null) {
             // Nope, so do it...
             env.nameContexts = new Hashtable();
         } else {
             // Yes, see if we already have the requested
             // context...
             result = (NameContext) env.nameContexts.get(name);
         }
         // Do we have the requested context?
         if (result == null) {
             // Nope, so create and add it...
             result = new NameContext(allowCollisions);
             env.nameContexts.put(name,result);
         }
         return result;
     }
     /**
      * Construct a context.
      * @param allowCollisions true if case-sensitive name collisions
      * are allowed, false if not.
      */
     public NameContext (boolean allowCollisions) {
         this.allowCollisions = allowCollisions;
         table = new Hashtable();
     }
     /**
      * Add a name to this context. If constructed with allowCollisions
      * false and a collision occurs, this method will throw an exception
      * in which the message contains the string: "name" and "collision".
      */
     public void assertPut (String name) throws Exception {
         String message = add(name);
         if (message != null) {
             throw new Exception(message);
         }
     }
     /**
      * Add a name to this context..
      */
     public void put (String name) {
         if (allowCollisions == false) {
             throw new Error("Must use assertPut(name)");
         }
         add(name);
     }
     /**
      * Add a name to this context. If constructed with allowCollisions
      * false and a collision occurs, this method will return a message
      * string, otherwise returns null.
      */
     private String add (String name) {
         // First, create a key by converting name to lowercase...
         String key = name.toLowerCase();
         // Does this key exist in the context?
         Name value = (Name) table.get(key);
         if (value != null) {
             // Yes, so they match if we ignore case. Do they match if
             // we don't ignore case?
             if (!name.equals(value.name)) {
                 // No, so this is a case-sensitive match. Are we
                 // supposed to allow this?
                 if (allowCollisions) {
                     // Yes, make sure it knows that it collides...
                     value.collisions = true;
                 } else {
                     // No, so return a message string...
                     return new String("\"" + name + "\" and \"" + value.name + "\"");
                 }
             }
         } else {
             // No, so add it...
             table.put(key,new Name(name,false));
         }
         return null;
     }
     /**
      * Get a name from the context. If it has collisions, the name
      * will be converted as specified in section 5.2.7.
      */
     public String get (String name) {
         Name it = (Name) table.get(name.toLowerCase());
         String result = name;
         // Do we need to mangle it?
         if (it.collisions) {
             // Yep, so do it...
             int length = name.length();
             boolean allLower = true;
             for (int i = 0; i < length; i++) {
                 if (Character.isUpperCase(name.charAt(i))) {
                     result += "_";
                     result += i;
                     allLower = false;
                 }
             }
             if (allLower) {
                 result += "_";
             }
         }
         return result;
     }
     /**
      * Remove all entries.
      */
     public void clear () {
         table.clear();
     }
     public class Name {
         public String name;
         public boolean collisions;
         public Name (String name, boolean collisions) {
             this.name = name;
             this.collisions = collisions;
         }
     }
 }

Mercurial > jdk8-mips64-public > corba / annotate

src/share/classes/sun/rmi/rmic/iiop/NameContext.java@9c913ea7e4a1 (annotated)

src/share/classes/sun/rmi/rmic/iiop/NameContext.java