1/*
2 * Copyright (c) 1997, 2013, 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.generator.bean.field;
27
28import com.sun.codemodel.internal.JBlock;
29import com.sun.codemodel.internal.JExpression;
30import com.sun.codemodel.internal.JFieldRef;
31import com.sun.codemodel.internal.JFieldVar;
32import com.sun.codemodel.internal.JMod;
33import com.sun.codemodel.internal.JType;
34import com.sun.codemodel.internal.JVar;
35import com.sun.tools.internal.xjc.generator.bean.ClassOutlineImpl;
36import com.sun.tools.internal.xjc.model.CPropertyInfo;
37
38/**
39 *
40 *
41 * @author
42 *     Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com), Martin Grebac
43 */
44abstract class AbstractFieldWithVar extends AbstractField {
45
46    /**
47     * Field declaration of the actual list object that we use
48     * to store data.
49     */
50    private JFieldVar field;
51
52    /**
53     * Invoke {@link #createField()} after calling the
54     * constructor.
55     */
56    AbstractFieldWithVar( ClassOutlineImpl outline, CPropertyInfo prop ) {
57        super(outline,prop);
58    }
59
60    protected final void createField() {
61        field = outline.implClass.field( JMod.PROTECTED,
62            getFieldType(), prop.getName(false) );
63
64        annotate(field);
65    }
66
67    /**
68     * Gets the name of the getter method.
69     *
70     * <p>
71     * This encapsulation is necessary because sometimes we use
72     * {@code isXXXX} as the method name.
73     */
74    protected String getGetterMethod() {
75        if (getOptions().enableIntrospection) {
76            return ((getFieldType().isPrimitive() &&
77                     getFieldType().boxify().getPrimitiveType()==codeModel.BOOLEAN) ?
78                         "is":"get") + prop.getName(true);
79        } else {
80            return (getFieldType().boxify().getPrimitiveType()==codeModel.BOOLEAN?"is":"get")+prop.getName(true);
81        }
82    }
83
84    /**
85     * Returns the type used to store the value of the field in memory.
86     */
87    protected abstract JType getFieldType();
88
89    protected JFieldVar ref() { return field; }
90
91    public final JType getRawType() {
92        return exposedType;
93    }
94
95    protected abstract class Accessor extends AbstractField.Accessor {
96
97        protected Accessor(JExpression $target) {
98            super($target);
99            this.$ref = $target.ref(AbstractFieldWithVar.this.ref());
100        }
101
102        /**
103         * Reference to the field bound by the target object.
104         */
105        protected final JFieldRef $ref;
106
107        public final void toRawValue(JBlock block, JVar $var) {
108            if (getOptions().enableIntrospection) {
109                block.assign($var,$target.invoke(getGetterMethod()));
110            } else {
111                block.assign($var,$target.invoke(getGetterMethod()));
112            }
113        }
114
115        public final void fromRawValue(JBlock block, String uniqueName, JExpression $var) {
116            block.invoke($target,("set"+prop.getName(true))).arg($var);
117        }
118    }
119}
120