| /* |
| * 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 |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package com.sun.tools.internal.xjc.reader.xmlschema; |
| |
| import java.math.BigInteger; |
| import com.sun.tools.internal.xjc.model.Multiplicity; |
| import com.sun.xml.internal.xsom.XSElementDecl; |
| import com.sun.xml.internal.xsom.XSModelGroup; |
| import com.sun.xml.internal.xsom.XSModelGroupDecl; |
| import com.sun.xml.internal.xsom.XSParticle; |
| import com.sun.xml.internal.xsom.XSWildcard; |
| import com.sun.xml.internal.xsom.visitor.XSTermFunction; |
| |
| import static com.sun.tools.internal.xjc.model.Multiplicity.ONE; |
| import static com.sun.tools.internal.xjc.model.Multiplicity.ZERO; |
| |
| /** |
| * Counts {@link Multiplicity} for a particle/term. |
| * |
| * @author Kohsuke Kawaguchi |
| */ |
| public final class MultiplicityCounter implements XSTermFunction<Multiplicity> { |
| |
| public static final MultiplicityCounter theInstance = new MultiplicityCounter(); |
| |
| private MultiplicityCounter() {} |
| |
| public Multiplicity particle( XSParticle p ) { |
| Multiplicity m = p.getTerm().apply(this); |
| |
| BigInteger max; |
| if (m.max==null || (BigInteger.valueOf(XSParticle.UNBOUNDED).equals(p.getMaxOccurs()))) |
| max=null; |
| else |
| max=p.getMaxOccurs(); |
| |
| return Multiplicity.multiply( m, Multiplicity.create(p.getMinOccurs(),max) ); |
| } |
| |
| public Multiplicity wildcard(XSWildcard wc) { |
| return ONE; |
| } |
| |
| public Multiplicity modelGroupDecl(XSModelGroupDecl decl) { |
| return modelGroup(decl.getModelGroup()); |
| } |
| |
| public Multiplicity modelGroup(XSModelGroup group) { |
| boolean isChoice = group.getCompositor() == XSModelGroup.CHOICE; |
| |
| Multiplicity r = ZERO; |
| |
| for( XSParticle p : group.getChildren()) { |
| Multiplicity m = particle(p); |
| |
| if(r==null) { |
| r=m; |
| continue; |
| } |
| if(isChoice) { |
| r = Multiplicity.choice(r,m); |
| } else { |
| r = Multiplicity.group(r,m); |
| } |
| } |
| return r; |
| } |
| |
| public Multiplicity elementDecl(XSElementDecl decl) { |
| return ONE; |
| } |
| } |