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1 /* |
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2 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. Oracle designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Oracle in the LICENSE file that accompanied this code. |
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10 * |
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11 * This code is distributed in the hope that it will be useful, but WITHOUT |
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 * version 2 for more details (a copy is included in the LICENSE file that |
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15 * accompanied this code). |
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16 * |
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17 * You should have received a copy of the GNU General Public License version |
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 * |
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 * or visit www.oracle.com if you need additional information or have any |
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23 * questions. |
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24 */ |
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25 |
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26 package com.sun.tools.internal.xjc.reader.xmlschema; |
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27 |
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28 import java.util.Iterator; |
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29 |
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30 import com.sun.xml.internal.xsom.XSWildcard; |
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31 import com.sun.xml.internal.xsom.visitor.XSWildcardFunction; |
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32 |
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33 import com.sun.xml.internal.rngom.nc.AnyNameExceptNameClass; |
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34 import com.sun.xml.internal.rngom.nc.ChoiceNameClass; |
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35 import com.sun.xml.internal.rngom.nc.NameClass; |
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36 import com.sun.xml.internal.rngom.nc.NsNameClass; |
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37 |
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38 /** |
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39 * Builds a name class representation of a wildcard. |
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40 * |
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41 * <p> |
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42 * Singleton. Use the build method to create a NameClass. |
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43 * |
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44 * @author |
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45 * Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com) |
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46 */ |
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47 public final class WildcardNameClassBuilder implements XSWildcardFunction<NameClass> { |
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48 private WildcardNameClassBuilder() {} |
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49 |
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50 private static final XSWildcardFunction<NameClass> theInstance = |
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51 new WildcardNameClassBuilder(); |
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52 |
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53 public static NameClass build( XSWildcard wc ) { |
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54 return wc.apply(theInstance); |
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55 } |
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56 |
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57 public NameClass any(XSWildcard.Any wc) { |
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58 return NameClass.ANY; |
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59 } |
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60 |
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61 public NameClass other(XSWildcard.Other wc) { |
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62 return new AnyNameExceptNameClass( |
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63 new ChoiceNameClass( |
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64 new NsNameClass(""), |
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65 new NsNameClass(wc.getOtherNamespace()))); |
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66 } |
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67 |
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68 public NameClass union(XSWildcard.Union wc) { |
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69 NameClass nc = null; |
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70 for (Iterator itr = wc.iterateNamespaces(); itr.hasNext();) { |
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71 String ns = (String) itr.next(); |
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72 |
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73 if(nc==null) nc = new NsNameClass(ns); |
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74 else |
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75 nc = new ChoiceNameClass(nc,new NsNameClass(ns)); |
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76 } |
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77 |
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78 // there should be at least one. |
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79 assert nc!=null; |
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80 |
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81 return nc; |
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82 } |
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83 |
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84 } |