1 /*
   2  * Copyright (c) 1997, 2013, 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             contexts = newContexts;
  47         }
  48         currentContext = contexts[idPos];
  49         if (currentContext == null) {
  50             contexts[idPos] = currentContext = new LocationContext();
  51         }
  52     }
  53 
  54     public void pop() {
  55         idPos--;
  56         if (idPos >= 0) {
  57             currentContext = contexts[idPos];
  58         }
  59     }
  60 
  61     public final void reset() {
  62         contexts = new LocationContext[32];
  63         idPos = 0;
  64         contexts[idPos] = currentContext = new LocationContext();
  65     }
  66 
  67     public String getLocation() {
  68         return currentContext.getLocation();
  69     }
  70 
  71     public void setLocation(String loc) {
  72         currentContext.setLocation(loc);
  73     }
  74 
  75     private LocationContext[] contexts;
  76     private int idPos;
  77     private LocationContext currentContext;
  78 
  79     // LocationContext - inner class
  80     private static class LocationContext {
  81         void setLocation(String loc) {
  82             location = loc;
  83         }
  84 
  85         String getLocation() {
  86             return location;
  87         }
  88 
  89         private String location;
  90     }
  91 }