Thu, 12 Oct 2017 19:44:07 +0800
merge
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. Oracle designates this |
aoqi@0 | 8 | * particular file as subject to the "Classpath" exception as provided |
aoqi@0 | 9 | * by Oracle in the LICENSE file that accompanied this code. |
aoqi@0 | 10 | * |
aoqi@0 | 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 14 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 15 | * accompanied this code). |
aoqi@0 | 16 | * |
aoqi@0 | 17 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 20 | * |
aoqi@0 | 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 22 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 23 | * questions. |
aoqi@0 | 24 | */ |
aoqi@0 | 25 | |
aoqi@0 | 26 | package com.sun.xml.internal.xsom.impl; |
aoqi@0 | 27 | |
aoqi@0 | 28 | import com.sun.xml.internal.xsom.XSComplexType; |
aoqi@0 | 29 | import com.sun.xml.internal.xsom.XSType; |
aoqi@0 | 30 | |
aoqi@0 | 31 | import java.util.ArrayList; |
aoqi@0 | 32 | import java.util.HashSet; |
aoqi@0 | 33 | import java.util.Iterator; |
aoqi@0 | 34 | import java.util.Set; |
aoqi@0 | 35 | |
aoqi@0 | 36 | /** |
aoqi@0 | 37 | * |
aoqi@0 | 38 | * |
aoqi@0 | 39 | * @author |
aoqi@0 | 40 | * Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com) |
aoqi@0 | 41 | */ |
aoqi@0 | 42 | class Util { |
aoqi@0 | 43 | private static XSType[] listDirectSubstitutables( XSType _this ) { |
aoqi@0 | 44 | ArrayList r = new ArrayList(); |
aoqi@0 | 45 | |
aoqi@0 | 46 | // TODO: handle @block |
aoqi@0 | 47 | Iterator itr = ((SchemaImpl)_this.getOwnerSchema()).parent.iterateTypes(); |
aoqi@0 | 48 | while( itr.hasNext() ) { |
aoqi@0 | 49 | XSType t = (XSType)itr.next(); |
aoqi@0 | 50 | if( t.getBaseType()==_this ) |
aoqi@0 | 51 | r.add(t); |
aoqi@0 | 52 | } |
aoqi@0 | 53 | return (XSType[]) r.toArray(new XSType[r.size()]); |
aoqi@0 | 54 | } |
aoqi@0 | 55 | |
aoqi@0 | 56 | public static XSType[] listSubstitutables( XSType _this ) { |
aoqi@0 | 57 | Set substitables = new HashSet(); |
aoqi@0 | 58 | buildSubstitutables( _this, substitables ); |
aoqi@0 | 59 | return (XSType[]) substitables.toArray(new XSType[substitables.size()]); |
aoqi@0 | 60 | } |
aoqi@0 | 61 | |
aoqi@0 | 62 | public static void buildSubstitutables( XSType _this, Set substitutables ) { |
aoqi@0 | 63 | if( _this.isLocal() ) return; |
aoqi@0 | 64 | buildSubstitutables( _this, _this, substitutables ); |
aoqi@0 | 65 | } |
aoqi@0 | 66 | |
aoqi@0 | 67 | private static void buildSubstitutables( XSType head, XSType _this, Set substitutables ) { |
aoqi@0 | 68 | if(!isSubstitutable(head,_this)) |
aoqi@0 | 69 | return; // no derived type of _this can substitute head. |
aoqi@0 | 70 | |
aoqi@0 | 71 | if(substitutables.add(_this)) { |
aoqi@0 | 72 | XSType[] child = listDirectSubstitutables(_this); |
aoqi@0 | 73 | for( int i=0; i<child.length; i++ ) |
aoqi@0 | 74 | buildSubstitutables( head, child[i], substitutables ); |
aoqi@0 | 75 | } |
aoqi@0 | 76 | } |
aoqi@0 | 77 | |
aoqi@0 | 78 | /** |
aoqi@0 | 79 | * Implements |
aoqi@0 | 80 | * <code>Validation Rule: Schema-Validity Assessment (Element) 1.2.1.2.4</code> |
aoqi@0 | 81 | */ |
aoqi@0 | 82 | private static boolean isSubstitutable( XSType _base, XSType derived ) { |
aoqi@0 | 83 | // too ugly to the point that it's almost unbearable. |
aoqi@0 | 84 | // I mean, it's not even transitive. Thus we end up calling this method |
aoqi@0 | 85 | // for each candidate |
aoqi@0 | 86 | if( _base.isComplexType() ) { |
aoqi@0 | 87 | XSComplexType base = _base.asComplexType(); |
aoqi@0 | 88 | |
aoqi@0 | 89 | for( ; base!=derived; derived=derived.getBaseType() ) { |
aoqi@0 | 90 | if( base.isSubstitutionProhibited( derived.getDerivationMethod() ) ) |
aoqi@0 | 91 | return false; // Type Derivation OK (Complex)-1 |
aoqi@0 | 92 | } |
aoqi@0 | 93 | return true; |
aoqi@0 | 94 | } else { |
aoqi@0 | 95 | // simple type don't have any @block |
aoqi@0 | 96 | return true; |
aoqi@0 | 97 | } |
aoqi@0 | 98 | } |
aoqi@0 | 99 | |
aoqi@0 | 100 | } |