jdk8-mips64-public/jaxws: src/share/jaxws_classes/com/sun/xml/internal/xsom/impl/Util.java@e530533619ec

     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  */

    26 package com.sun.xml.internal.xsom.impl;

    28 import com.sun.xml.internal.xsom.XSComplexType;

    29 import com.sun.xml.internal.xsom.XSType;

    31 import java.util.ArrayList;

    32 import java.util.HashSet;

    33 import java.util.Iterator;

    34 import java.util.Set;

    36 /**

    37  *

    38  *

    39  * @author

    40  *     Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)

    41  */

    42 class Util {

    43     private static XSType[] listDirectSubstitutables( XSType _this ) {

    44         ArrayList r = new ArrayList();

    46         // TODO: handle @block

    47         Iterator itr = ((SchemaImpl)_this.getOwnerSchema()).parent.iterateTypes();

    48         while( itr.hasNext() ) {

    49             XSType t = (XSType)itr.next();

    50             if( t.getBaseType()==_this )

    51                 r.add(t);

    52         }

    53         return (XSType[]) r.toArray(new XSType[r.size()]);

    54     }

    56     public static XSType[] listSubstitutables( XSType _this ) {

    57         Set substitables = new HashSet();

    58         buildSubstitutables( _this, substitables );

    59         return (XSType[]) substitables.toArray(new XSType[substitables.size()]);

    60     }

    62     public static void buildSubstitutables( XSType _this, Set substitutables ) {

    63         if( _this.isLocal() )    return;

    64         buildSubstitutables( _this, _this, substitutables );

    65     }

    67     private static void buildSubstitutables( XSType head, XSType _this, Set substitutables ) {

    68         if(!isSubstitutable(head,_this))

    69             return;    // no derived type of _this can substitute head.

    71         if(substitutables.add(_this)) {

    72             XSType[] child = listDirectSubstitutables(_this);

    73             for( int i=0; i<child.length; i++ )

    74                 buildSubstitutables( head, child[i], substitutables );

    75         }

    76     }

    78     /**

    79      * Implements

    80      * <code>Validation Rule: Schema-Validity Assessment (Element) 1.2.1.2.4</code>

    81      */

    82     private static boolean isSubstitutable( XSType _base, XSType derived ) {

    83         // too ugly to the point that it's almost unbearable.

    84         // I mean, it's not even transitive. Thus we end up calling this method

    85         // for each candidate

    86         if( _base.isComplexType() ) {

    87             XSComplexType base = _base.asComplexType();

    89             for( ; base!=derived; derived=derived.getBaseType() ) {

    90                 if( base.isSubstitutionProhibited( derived.getDerivationMethod() ) )

    91                     return false;    // Type Derivation OK (Complex)-1

    92             }

    93             return true;

    94         } else {

    95             // simple type don't have any @block

    96             return true;

    97         }

    98     }

   100 }

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