001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * The contents of this file are subject to the terms of either the GNU
007: * General Public License Version 2 only ("GPL") or the Common Development
008: * and Distribution License("CDDL") (collectively, the "License"). You
009: * may not use this file except in compliance with the License. You can obtain
010: * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
011: * or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
012: * language governing permissions and limitations under the License.
013: *
014: * When distributing the software, include this License Header Notice in each
015: * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
016: * Sun designates this particular file as subject to the "Classpath" exception
017: * as provided by Sun in the GPL Version 2 section of the License file that
018: * accompanied this code. If applicable, add the following below the License
019: * Header, with the fields enclosed by brackets [] replaced by your own
020: * identifying information: "Portions Copyrighted [year]
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022: *
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024: *
025: * If you wish your version of this file to be governed by only the CDDL or
026: * only the GPL Version 2, indicate your decision by adding "[Contributor]
027: * elects to include this software in this distribution under the [CDDL or GPL
028: * Version 2] license." If you don't indicate a single choice of license, a
029: * recipient has the option to distribute your version of this file under
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035: */
036:
037: package com.sun.tools.xjc.reader.xmlschema;
038:
039: import com.sun.tools.xjc.model.Multiplicity;
040: import com.sun.xml.xsom.XSElementDecl;
041: import com.sun.xml.xsom.XSModelGroup;
042: import com.sun.xml.xsom.XSModelGroupDecl;
043: import com.sun.xml.xsom.XSParticle;
044: import com.sun.xml.xsom.XSWildcard;
045: import com.sun.xml.xsom.visitor.XSTermFunction;
046:
047: import static com.sun.tools.xjc.model.Multiplicity.ONE;
048: import static com.sun.tools.xjc.model.Multiplicity.ZERO;
049:
050: /**
051: * Counts {@link Multiplicity} for a particle/term.
052: *
053: * @author Kohsuke Kawaguchi
054: */
055: public final class MultiplicityCounter implements
056: XSTermFunction<Multiplicity> {
057:
058: public static final MultiplicityCounter theInstance = new MultiplicityCounter();
059:
060: private MultiplicityCounter() {
061: }
062:
063: public Multiplicity particle(XSParticle p) {
064: Multiplicity m = p.getTerm().apply(this );
065:
066: Integer max;
067: if (m.max == null || p.getMaxOccurs() == XSParticle.UNBOUNDED)
068: max = null;
069: else
070: max = p.getMaxOccurs();
071:
072: return Multiplicity.multiply(m, Multiplicity.create(p
073: .getMinOccurs(), max));
074: }
075:
076: public Multiplicity wildcard(XSWildcard wc) {
077: return ONE;
078: }
079:
080: public Multiplicity modelGroupDecl(XSModelGroupDecl decl) {
081: return modelGroup(decl.getModelGroup());
082: }
083:
084: public Multiplicity modelGroup(XSModelGroup group) {
085: boolean isChoice = group.getCompositor() == XSModelGroup.CHOICE;
086:
087: Multiplicity r = ZERO;
088:
089: for (XSParticle p : group.getChildren()) {
090: Multiplicity m = particle(p);
091:
092: if (r == null) {
093: r = m;
094: continue;
095: }
096: if (isChoice) {
097: r = Multiplicity.choice(r, m);
098: } else {
099: r = Multiplicity.group(r, m);
100: }
101: }
102: return r;
103: }
104:
105: public Multiplicity elementDecl(XSElementDecl decl) {
106: return ONE;
107: }
108: }
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