HeapCharBufferR


1   /*
2    * @(#)Heap-X-Buffer.java   1.28 03/12/19
3    *
4    * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
5    * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
6    */
7   
8   // -- This file was mechanically generated: Do not edit! -- //
9   
10  package java.nio;
11  
12  
13  /**
14  
15  
16  
17   * A read-only HeapCharBuffer.  This class extends the corresponding
18   * read/write class, overriding the mutation methods to throw a {@link
19   * ReadOnlyBufferException} and overriding the view-buffer methods to return an
20   * instance of this class rather than of the superclass.
21  
22   */
23  
24  class HeapCharBufferR
25      extends HeapCharBuffer  
26  {
27  
28      // For speed these fields are actually declared in X-Buffer;
29      // these declarations are here as documentation
30      /*
31  
32  
33  
34  
35      */
36  
37      HeapCharBufferR(int cap, int lim) {     // package-private
38  
39  
40  
41  
42  
43  
44  
45      super(cap, lim);
46      this.isReadOnly = true;
47  
48      }
49  
50      HeapCharBufferR(char[] buf, int off, int len) { // package-private
51  
52  
53  
54  
55  
56  
57  
58      super(buf, off, len);
59      this.isReadOnly = true;
60  
61      }
62  
63      protected HeapCharBufferR(char[] buf,
64                     int mark, int pos, int lim, int cap,
65                     int off)
66      {
67  
68  
69  
70  
71  
72  
73  
74      super(buf, mark, pos, lim, cap, off);
75      this.isReadOnly = true;
76  
77      }
78  
79      public CharBuffer   slice() {
80      return new HeapCharBufferR  (hb,
81                      -1,
82                      0,
83                      this.remaining(),
84                      this.remaining(),
85                      this.position() + offset);
86      }
87  
88      public CharBuffer   duplicate() {
89      return new HeapCharBufferR  (hb,
90                      this.markValue(),
91                      this.position(),
92                      this.limit(),
93                      this.capacity(),
94                      offset);
95      }
96  
97      public CharBuffer   asReadOnlyBuffer() {
98  
99  
100 
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104 
105 
106     return duplicate();
107 
108     }
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139     public boolean isReadOnly() {
140     return true;
141     }
142 
143     public CharBuffer   put(char x) {
144 
145 
146 
147 
148     throw new ReadOnlyBufferException  ();
149 
150     }
151 
152     public CharBuffer   put(int i, char x) {
153 
154 
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156 
157     throw new ReadOnlyBufferException  ();
158 
159     }
160 
161     public CharBuffer   put(char[] src, int offset, int length) {
162 
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170     throw new ReadOnlyBufferException  ();
171 
172     }
173 
174     public CharBuffer   put(CharBuffer   src) {
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198     throw new ReadOnlyBufferException  ();
199 
200     }
201 
202     public CharBuffer   compact() {
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209     throw new ReadOnlyBufferException  ();
210 
211     }
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540     String   toString(int start, int end) {       // package-private
541     try {
542         return new String  (hb, start + offset, end - start);
543     } catch (StringIndexOutOfBoundsException   x) {
544         throw new IndexOutOfBoundsException  ();
545     }
546     }
547 
548 
549     // --- Methods to support CharSequence ---
550 
551     public CharSequence   subSequence(int start, int end) {
552         if ((start < 0)
553         || (end > length())
554         || (start > end))
555         throw new IndexOutOfBoundsException  ();
556         int len = end - start;
557         return new HeapCharBufferR  (hb,
558                       -1, 0, len, len,
559                       offset + position() + start);
560     }
561 
562 
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565 
566 
567     public ByteOrder   order() {
568     return ByteOrder.nativeOrder();
569     }
570 
571 
572 
573 }
574
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