1/*
2 * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26package com.sun.tools.internal.xjc.model;
27
28import javax.xml.XMLConstants;
29import javax.xml.bind.annotation.adapters.XmlJavaTypeAdapter;
30import javax.xml.namespace.QName;
31
32import com.sun.tools.internal.xjc.model.nav.NClass;
33import com.sun.tools.internal.xjc.model.nav.NType;
34import com.sun.tools.internal.xjc.reader.xmlschema.BGMBuilder;
35import com.sun.xml.internal.bind.v2.model.core.PropertyInfo;
36import com.sun.xml.internal.bind.v2.model.core.TypeRef;
37import com.sun.xml.internal.bind.v2.runtime.RuntimeUtil;
38import com.sun.xml.internal.xsom.XSType;
39import com.sun.xml.internal.xsom.XmlString;
40import com.sun.xml.internal.xsom.XSElementDecl;
41import com.sun.istack.internal.Nullable;
42
43/**
44 * {@link TypeRef} for XJC.
45 *
46 * TODO: do we need the source schema component support here?
47 *
48 * @author Kohsuke Kawaguchi
49 */
50public final class CTypeRef implements TypeRef<NType,NClass> {
51    /**
52     * In-memory type.
53     *
54     * This is the type used when
55     */
56    @XmlJavaTypeAdapter(RuntimeUtil.ToStringAdapter.class)
57    private final CNonElement type;
58
59    private final QName elementName;
60
61    /**
62     * XML Schema type name of {@link #type}, if available.
63     */
64    /*package*/ final @Nullable QName typeName;
65
66    private final boolean nillable;
67    public final XmlString defaultValue;
68
69    public CTypeRef(CNonElement type, XSElementDecl decl) {
70        this(type, BGMBuilder.getName(decl),getSimpleTypeName(decl), decl.isNillable(), decl.getDefaultValue() );
71    }
72
73    public QName getTypeName() {
74        return typeName;
75    }
76
77    public static QName getSimpleTypeName(XSElementDecl decl) {
78        if(decl==null || !decl.getType().isSimpleType())
79            return null; // null if not simple type
80        return resolveSimpleTypeName(decl.getType());
81    }
82
83    /**
84     * Recursively search for type name.
85     *
86     * This is needed to find correct type for refs like:
87     *
88     *<xs:simpleType name="parent">
89     *  <xs:restriction base="xs:date"/>
90     *</xs:simpleType>
91     *<xs:simpleType name="child">
92     *  <xs:restriction base="parent"/>
93     *</xs:simpleType>
94     *
95     *<xs:element name="testField" type="child"/>
96     *
97     * @param declType given type
98     * @return simpleTypeName or null
99     */
100    private static QName resolveSimpleTypeName(XSType declType) {
101        QName name = BGMBuilder.getName(declType);
102        QName result = null;
103        if (name != null && !XMLConstants.W3C_XML_SCHEMA_NS_URI.equals(name.getNamespaceURI())) {
104            result = resolveSimpleTypeName(declType.getBaseType());
105        } else {
106            if ( !"anySimpleType".equals(declType.getName()) ) {
107                result = name;
108            }
109        }
110        return result;
111    }
112
113    public CTypeRef(CNonElement type, QName elementName, QName typeName, boolean nillable, XmlString defaultValue) {
114        assert type!=null;
115        assert elementName!=null;
116
117        this.type = type;
118        this.elementName = elementName;
119        this.typeName = typeName;
120        this.nillable = nillable;
121        this.defaultValue = defaultValue;
122    }
123
124    public CNonElement getTarget() {
125        return type;
126    }
127
128    public QName getTagName() {
129        return elementName;
130    }
131
132    public boolean isNillable() {
133        return nillable;
134    }
135
136    /**
137     * Inside XJC, use {@link #defaultValue} that has context information.
138     * This method is to override the one defined in the runtime model.
139     *
140     * @see #defaultValue
141     */
142    public String getDefaultValue() {
143        if(defaultValue!=null)
144            return defaultValue.value;
145        else
146            return null;
147    }
148
149    public boolean isLeaf() {
150        // TODO: implement this method later
151        throw new UnsupportedOperationException();
152    }
153
154    public PropertyInfo<NType, NClass> getSource() {
155        // TODO: implement this method later
156        throw new UnsupportedOperationException();
157    }
158}
159