Mercurial > jdk8-mips64-public > jaxws / file revision

 /*

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  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

  *

  * This code is free software; you can redistribute it and/or modify it

  * under the terms of the GNU General Public License version 2 only, as

  * published by the Free Software Foundation.  Oracle designates this

  * particular file as subject to the "Classpath" exception as provided

  * by Oracle in the LICENSE file that accompanied this code.

  *

  * This code is distributed in the hope that it will be useful, but WITHOUT

  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

  * version 2 for more details (a copy is included in the LICENSE file that

  * accompanied this code).

  *

  * You should have received a copy of the GNU General Public License version

  * 2 along with this work; if not, write to the Free Software Foundation,

  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

  *

  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 package com.sun.tools.internal.xjc.reader.xmlschema;

 import java.util.Collection;

 import com.sun.tools.internal.xjc.model.CPropertyInfo;

 import com.sun.tools.internal.xjc.model.Multiplicity;

 import com.sun.tools.internal.xjc.reader.RawTypeSet;

 import com.sun.tools.internal.xjc.reader.gbind.ConnectedComponent;

 import com.sun.tools.internal.xjc.reader.gbind.Element;

 import com.sun.tools.internal.xjc.reader.gbind.Expression;

 import com.sun.tools.internal.xjc.reader.gbind.Graph;

 import com.sun.tools.internal.xjc.reader.xmlschema.bindinfo.BIProperty;

 import com.sun.xml.internal.bind.v2.model.core.WildcardMode;

 import com.sun.xml.internal.xsom.XSParticle;

 /**

  * {@link ParticleBinder} that uses {@link ExpressionBuilder} et al

  * for better, more intuitive (but non spec-conforming) binding.

  *

  * @author Kohsuke Kawaguchi

  */

 final class ExpressionParticleBinder extends ParticleBinder {

     public void build(XSParticle p, Collection<XSParticle> forcedProps) {

         // this class isn't about spec conformance, but

         // for the ease of use.

         // so we don't give a damn about 'forcedProps'.

         // although, for a future note, it's conceivable to expand

         // the binding algorithm to cover this notion.

         Expression tree = ExpressionBuilder.createTree(p);

         Graph g = new Graph(tree);

         for (ConnectedComponent cc : g) {

             buildProperty(cc);

         }

     }

     /**

      * Builds a property ouf ot a connected component.

      */

     private void buildProperty(ConnectedComponent cc) {

         StringBuilder propName = new StringBuilder(); // property name

         int nameTokenCount = 0; // combine only up to 3

         RawTypeSetBuilder rtsb = new RawTypeSetBuilder();

         for (Element e : cc) {

             GElement ge = (GElement)e;

             if(nameTokenCount<3) {

                 if(nameTokenCount!=0)

                     propName.append("And");

                 propName.append(makeJavaName(cc.isCollection(),ge.getPropertyNameSeed()));

                 nameTokenCount++;

             }

             if(e instanceof GElementImpl) {

                 GElementImpl ei = (GElementImpl) e;

                 rtsb.elementDecl(ei.decl);

                 continue;

             }

             if(e instanceof GWildcardElement) {

                 GWildcardElement w = (GWildcardElement)e;

                 rtsb.getRefs().add(new RawTypeSetBuilder.WildcardRef(

                     w.isStrict() ? WildcardMode.STRICT : WildcardMode.SKIP));

                 continue;

             }

             assert false : e;   // no other kind should be here

         }

         Multiplicity m = Multiplicity.ONE;

         if(cc.isCollection())

             m = m.makeRepeated();

         if(!cc.isRequired())

             m = m.makeOptional();

         RawTypeSet rts = new RawTypeSet(rtsb.getRefs(),m);

         XSParticle p = findSourceParticle(cc);

         BIProperty cust = BIProperty.getCustomization(p);

         CPropertyInfo prop = cust.createElementOrReferenceProperty(

             propName.toString(), false, p, rts );

         getCurrentBean().addProperty(prop);

     }

     /**

      * Finds a {@link XSParticle} that can serve as the representative property of

      * the given {@link ConnectedComponent}.

      *

      * The representative property is used for reporting an error location and

      * taking {@link BIProperty} customization. Right now, the algorithm is just pick

      * the first one with {@link BIProperty}, but one can think of a better algorithm,

      * such as taking a choice of (A|B) if CC={A,B}.

      */

     private XSParticle findSourceParticle(ConnectedComponent cc) {

         XSParticle first = null;

         for (Element e : cc) {

             GElement ge = (GElement)e;

             for (XSParticle p : ge.particles) {

                 if(first==null)

                     first = p;

                 if(getLocalPropCustomization(p)!=null)

                     return p;

             }

             // if there are multiple property customizations,

             // all but one will be left unused, which will be detected as an error

             // later, so no need to check that now.

         }

         // if no customization was found, just use the first one.

         return first;

     }

     public boolean checkFallback(XSParticle p) {

         // this algorithm never falls back to 'getContent'.

         return false;

     }

 }