1 /*
   2  * Copyright (c) 1997, 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 
  26 package com.sun.tools.internal.ws.wsdl.framework;
  27 
  28 /**
  29  *
  30  * Maintains wsdl:location context. This is used with
  31  * TWSDLParserContextImpl, where one each WSDL being imported its location is pushed.
  32  *
  33  * @author WS Development Team
  34  */
  35 public class WSDLLocation {
  36     WSDLLocation() {
  37         reset();
  38     }
  39 
  40     public void push() {
  41         int max = contexts.length;
  42         idPos++;
  43         if (idPos >= max) {
  44             LocationContext newContexts[] = new LocationContext[max * 2];
  45             System.arraycopy(contexts, 0, newContexts, 0, max);
  46             max *= 2;
  47             contexts = newContexts;
  48         }
  49         currentContext = contexts[idPos];
  50         if (currentContext == null) {
  51             contexts[idPos] = currentContext = new LocationContext();
  52         }
  53         if (idPos > 0) {
  54             currentContext.setParent(contexts[idPos - 1]);
  55         }
  56 
  57     }
  58 
  59     public void pop() {
  60         idPos--;
  61         if (idPos >= 0) {
  62             currentContext = contexts[idPos];
  63         }
  64     }
  65 
  66     public void reset() {
  67         contexts = new LocationContext[32];
  68         idPos = 0;
  69         contexts[idPos] = currentContext = new LocationContext();
  70     }
  71 
  72     public String getLocation() {
  73         return currentContext.getLocation();
  74     }
  75 
  76     public void setLocation(String loc) {
  77         currentContext.setLocation(loc);
  78     }
  79 
  80     private LocationContext[] contexts;
  81     private int idPos;
  82     private LocationContext currentContext;
  83 
  84     // LocationContext - inner class
  85     private static class LocationContext {
  86         void setLocation(String loc) {
  87             location = loc;
  88         }
  89 
  90         String getLocation() {
  91             return location;
  92         }
  93 
  94         void setParent(LocationContext parent) {
  95             parentLocation = parent;
  96         }
  97 
  98         private String location;
  99         private LocationContext parentLocation;
 100     }
 101 }