001: /*
002: * Copyright 2006 Sun Microsystems, Inc. All Rights Reserved.
003: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
004: *
005: * This code is free software; you can redistribute it and/or modify it
006: * under the terms of the GNU General Public License version 2 only, as
007: * published by the Free Software Foundation. Sun designates this
008: * particular file as subject to the "Classpath" exception as provided
009: * by Sun in the LICENSE file that accompanied this code.
010: *
011: * This code is distributed in the hope that it will be useful, but WITHOUT
012: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
013: * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
014: * version 2 for more details (a copy is included in the LICENSE file that
015: * accompanied this code).
016: *
017: * You should have received a copy of the GNU General Public License version
018: * 2 along with this work; if not, write to the Free Software Foundation,
019: * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
020: *
021: * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
022: * CA 95054 USA or visit www.sun.com if you need additional information or
023: * have any questions.
024: */
025:
026: package com.sun.tools.internal.xjc.reader.xmlschema.ct;
027:
028: import java.util.HashMap;
029: import java.util.Map;
030:
031: import com.sun.tools.internal.xjc.reader.xmlschema.BGMBuilder;
032: import com.sun.tools.internal.xjc.reader.xmlschema.BindingComponent;
033: import com.sun.xml.internal.xsom.XSComplexType;
034:
035: /**
036: * single entry point of building a field expression from a complex type.
037: *
038: * One object is created for one {@link BGMBuilder}.
039: *
040: * @author
041: * Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)
042: */
043: public final class ComplexTypeFieldBuilder extends BindingComponent {
044:
045: /**
046: * All installed available complex type builders.
047: *
048: * <p>
049: * Builders are tried in this order, to put specific ones first.
050: */
051: private final CTBuilder[] complexTypeBuilders = new CTBuilder[] {
052: new ChoiceContentComplexTypeBuilder(),
053: new MixedComplexTypeBuilder(),
054: new FreshComplexTypeBuilder(),
055: new ExtendedComplexTypeBuilder(),
056: new RestrictedComplexTypeBuilder(),
057: new STDerivedComplexTypeBuilder() };
058:
059: /** Records ComplexTypeBindingMode for XSComplexType. */
060: private final Map<XSComplexType, ComplexTypeBindingMode> complexTypeBindingModes = new HashMap<XSComplexType, ComplexTypeBindingMode>();
061:
062: /**
063: * Binds a complex type to a field expression.
064: */
065: public void build(XSComplexType type) {
066: for (CTBuilder ctb : complexTypeBuilders)
067: if (ctb.isApplicable(type)) {
068: ctb.build(type);
069: return;
070: }
071:
072: assert false; // shall never happen
073: }
074:
075: /**
076: * Records the binding mode of the given complex type.
077: *
078: * <p>
079: * Binding of a derived complex type often depends on that of the
080: * base complex type. For example, when a base type is bound to
081: * the getRest() method, all the derived complex types will be bound
082: * in the same way.
083: *
084: * <p>
085: * For this reason, we have to record how each complex type is being
086: * bound.
087: */
088: protected void recordBindingMode(XSComplexType type,
089: ComplexTypeBindingMode flag) {
090: // it is an error to override the flag.
091: Object o = complexTypeBindingModes.put(type, flag);
092: assert o == null;
093: }
094:
095: /**
096: * Obtains the binding mode recorded through
097: * {@link #recordBindingMode(XSComplexType, ComplexTypeBindingMode)}.
098: */
099: protected ComplexTypeBindingMode getBindingMode(XSComplexType type) {
100: ComplexTypeBindingMode r = complexTypeBindingModes.get(type);
101: assert r != null;
102: return r;
103: }
104: }
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