1 /*
2  * Copyright (C) 2007 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.android.dx.cf.attrib;
18 
19 import com.android.dx.rop.cst.CstNat;
20 import com.android.dx.rop.cst.CstType;
21 
22 /**
23  * Attribute class for standards-track {@code EnclosingMethod}
24  * attributes.
25  */
26 public final class AttEnclosingMethod extends BaseAttribute {
27     /** {@code non-null;} attribute name for attributes of this type */
28     public static final String ATTRIBUTE_NAME = "EnclosingMethod";
29 
30     /** {@code non-null;} the innermost enclosing class */
31     private final CstType type;
32 
33     /** {@code null-ok;} the name-and-type of the innermost enclosing method, if any */
34     private final CstNat method;
35 
36     /**
37      * Constructs an instance.
38      *
39      * @param type {@code non-null;} the innermost enclosing class
40      * @param method {@code null-ok;} the name-and-type of the innermost enclosing
41      * method, if any
42      */
AttEnclosingMethod(CstType type, CstNat method)43     public AttEnclosingMethod(CstType type, CstNat method) {
44         super(ATTRIBUTE_NAME);
45 
46         if (type == null) {
47             throw new NullPointerException("type == null");
48         }
49 
50         this.type = type;
51         this.method = method;
52     }
53 
54     /** {@inheritDoc} */
55     @Override
byteLength()56     public int byteLength() {
57         return 10;
58     }
59 
60     /**
61      * Gets the innermost enclosing class.
62      *
63      * @return {@code non-null;} the innermost enclosing class
64      */
getEnclosingClass()65     public CstType getEnclosingClass() {
66         return type;
67     }
68 
69     /**
70      * Gets the name-and-type of the innermost enclosing method, if
71      * any.
72      *
73      * @return {@code null-ok;} the name-and-type of the innermost enclosing
74      * method, if any
75      */
getMethod()76     public CstNat getMethod() {
77         return method;
78     }
79 }
80