01: /*
02: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
03: *
04: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
05: *
06: * The contents of this file are subject to the terms of either the GNU
07: * General Public License Version 2 only ("GPL") or the Common Development
08: * and Distribution License("CDDL") (collectively, the "License"). You
09: * may not use this file except in compliance with the License. You can obtain
10: * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
11: * or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
12: * language governing permissions and limitations under the License.
13: *
14: * When distributing the software, include this License Header Notice in each
15: * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
16: * Sun designates this particular file as subject to the "Classpath" exception
17: * as provided by Sun in the GPL Version 2 section of the License file that
18: * accompanied this code. If applicable, add the following below the License
19: * Header, with the fields enclosed by brackets [] replaced by your own
20: * identifying information: "Portions Copyrighted [year]
21: * [name of copyright owner]"
22: *
23: * Contributor(s):
24: *
25: * If you wish your version of this file to be governed by only the CDDL or
26: * only the GPL Version 2, indicate your decision by adding "[Contributor]
27: * elects to include this software in this distribution under the [CDDL or GPL
28: * Version 2] license." If you don't indicate a single choice of license, a
29: * recipient has the option to distribute your version of this file under
30: * either the CDDL, the GPL Version 2 or to extend the choice of license to
31: * its licensees as provided above. However, if you add GPL Version 2 code
32: * and therefore, elected the GPL Version 2 license, then the option applies
33: * only if the new code is made subject to such option by the copyright
34: * holder.
35: */
36: package com.sun.tools.xjc.model;
37:
38: import com.sun.codemodel.JCodeModel;
39: import com.sun.codemodel.JType;
40:
41: /**
42: * Symbol space for ID/IDREF.
43: *
44: * In XJC, the whole ID space is considered to be splitted into
45: * one or more "symbol space". For an IDREF to match an ID, we impose
46: * additional restriction to the one stated in the XML rec.
47: *
48: * <p>
49: * That is, XJC'll require that the IDREF belongs to the same symbol
50: * space as the ID. Having this concept allows us to assign more
51: * specific type to IDREF.
52: *
53: * <p>
54: * See the design document for detail.
55: *
56: * @author
57: * <a href="mailto:kohsuke.kawaguchi@sun.com">Kohsuke KAWAGUCHI</a>
58: */
59: public class SymbolSpace {
60: private JType type;
61: private final JCodeModel codeModel;
62:
63: public SymbolSpace(JCodeModel _codeModel) {
64: this .codeModel = _codeModel;
65: }
66:
67: /**
68: * Gets the Java type of this symbol space.
69: *
70: * <p>
71: * A symbol space is said to have a Java type X if all classes
72: * pointed by IDs belonging to this symbol space are assignable
73: * to X.
74: */
75: public JType getType() {
76: if (type == null)
77: return codeModel.ref(Object.class);
78: return type;
79: }
80:
81: public void setType(JType _type) {
82: if (this .type == null)
83: this .type = _type;
84: }
85:
86: public String toString() {
87: if (type == null)
88: return "undetermined";
89: else
90: return type.name();
91: }
92: }
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