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1   /*
2    * Copyright (c) 1998, 2004, 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  
26  package com.sun.tools.jdi;
27  
28  import com.sun.jdi.*;
29  
30  
31  public class FieldImpl extends TypeComponentImpl
32                         implements Field, ValueContainer {
33  
34      FieldImpl(VirtualMachine vm, ReferenceTypeImpl declaringType,
35                long ref,
36                String name, String signature,
37                String genericSignature, int modifiers) {
38          super(vm, declaringType, ref, name, signature,
39                genericSignature, modifiers);
40      }
41  
42      public boolean equals(Object obj) {
43          if ((obj != null) && (obj instanceof FieldImpl)) {
44              FieldImpl other = (FieldImpl)obj;
45              return (declaringType().equals(other.declaringType())) &&
46                     (ref() == other.ref()) &&
47                     super.equals(obj);
48          } else {
49              return false;
50          }
51      }
52  
53      public int hashCode() {
54          return (int)ref();
55      }
56  
57      public int compareTo(Field field) {
58          ReferenceTypeImpl declaringType = (ReferenceTypeImpl)declaringType();
59          int rc = declaringType.compareTo(field.declaringType());
60          if (rc == 0) {
61              rc = declaringType.indexOf(this) -
62                   declaringType.indexOf(field);
63          }
64          return rc;
65      }
66  
67      public Type type() throws ClassNotLoadedException {
68          return findType(signature());
69      }
70  
71      public Type findType(String signature) throws ClassNotLoadedException {
72          ReferenceTypeImpl enclosing = (ReferenceTypeImpl)declaringType();
73          return enclosing.findType(signature);
74      }
75  
76      /**
77       * @return a text representation of the declared type
78       * of this field.
79       */
80      public String typeName() {
81          JNITypeParser parser = new JNITypeParser(signature());
82          return parser.typeName();
83      }
84  
85      public boolean isTransient() {
86          return isModifierSet(VMModifiers.TRANSIENT);
87      }
88  
89      public boolean isVolatile() {
90          return isModifierSet(VMModifiers.VOLATILE);
91      }
92  
93      public boolean isEnumConstant() {
94          return isModifierSet(VMModifiers.ENUM_CONSTANT);
95      }
96  
97      public String toString() {
98          StringBuffer buf = new StringBuffer();
99  
100         buf.append(declaringType().name());
101         buf.append('.');
102         buf.append(name());
103 
104         return buf.toString();
105     }
106 }