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

 /*

  * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.

  * 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.HashMap;

 import java.util.HashSet;

 import java.util.Map;

 import java.util.Set;

 import java.util.Collections;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

 import com.sun.xml.internal.xsom.visitor.XSVisitor;

 /**

  * Finds which {@link XSComponent}s refer to which {@link XSComplexType}s.

  *

  * @author Kohsuke Kawaguchi

  */

 final class RefererFinder implements XSVisitor {

     private final Set<Object> visited = new HashSet<Object>();

     private final Map<XSComponent,Set<XSComponent>> referers = new HashMap<XSComponent,Set<XSComponent>>();

     public Set<XSComponent> getReferer(XSComponent src) {

         Set<XSComponent> r = referers.get(src);

         if(r==null) return Collections.emptySet();

         return r;

     }

     public void schemaSet(XSSchemaSet xss) {

         if(!visited.add(xss))       return;

         for (XSSchema xs : xss.getSchemas()) {

             schema(xs);

         }

     }

     public void schema(XSSchema xs) {

         if(!visited.add(xs))       return;

         for (XSComplexType ct : xs.getComplexTypes().values()) {

             complexType(ct);

         }

         for (XSElementDecl e : xs.getElementDecls().values()) {

             elementDecl(e);

         }

     }

     public void elementDecl(XSElementDecl e) {

         if(!visited.add(e))       return;

         refer(e,e.getType());

         e.getType().visit(this);

     }

     public void complexType(XSComplexType ct) {

         if(!visited.add(ct))       return;

         refer(ct,ct.getBaseType());

         ct.getBaseType().visit(this);

         ct.getContentType().visit(this);

     }

     public void modelGroupDecl(XSModelGroupDecl decl) {

         if(!visited.add(decl))  return;

         modelGroup(decl.getModelGroup());

     }

     public void modelGroup(XSModelGroup group) {

         if(!visited.add(group))  return;

         for (XSParticle p : group.getChildren()) {

             particle(p);

         }

     }

     public void particle(XSParticle particle) {

         // since the particle method is side-effect free, no need to check for double-visit.

         particle.getTerm().visit(this);

     }

     // things we don't care

     public void simpleType(XSSimpleType simpleType) {}

     public void annotation(XSAnnotation ann) {}

     public void attGroupDecl(XSAttGroupDecl decl) {}

     public void attributeDecl(XSAttributeDecl decl) {}

     public void attributeUse(XSAttributeUse use) {}

     public void facet(XSFacet facet) {}

     public void notation(XSNotation notation) {}

     public void identityConstraint(XSIdentityConstraint decl) {}

     public void xpath(XSXPath xp) {}

     public void wildcard(XSWildcard wc) {}

     public void empty(XSContentType empty) {}

     /**

      * Called for each reference to record the fact.

      *

      * So far we only care about references to types.

      */

     private void refer(XSComponent source, XSType target) {

         Set<XSComponent> r = referers.get(target);

         if(r==null) {

             r = new HashSet<XSComponent>();

             referers.put(target,r);

         }

         r.add(source);

     }

 }