26 package java.nio;
27
28
29 // ## If the sequence is a string, use reflection to share its array
30
31 class StringCharBuffer // package-private
32 extends CharBuffer
33 {
34 CharSequence str;
35
36 StringCharBuffer(CharSequence s, int start, int end) { // package-private
37 super(-1, start, end, s.length());
38 int n = s.length();
39 if ((start < 0) || (start > n) || (end < start) || (end > n))
40 throw new IndexOutOfBoundsException();
41 str = s;
42 this.isReadOnly = true;
43 }
44
45 public CharBuffer slice() {
46 return new StringCharBuffer(str,
47 -1,
48 0,
49 this.remaining(),
50 this.remaining(),
51 offset + this.position());
52 }
53
54 private StringCharBuffer(CharSequence s,
55 int mark,
56 int pos,
57 int limit,
58 int cap,
59 int offset) {
60 super(mark, pos, limit, cap, null, offset);
61 str = s;
62 this.isReadOnly = true;
63 }
64
65 public CharBuffer duplicate() {
66 return new StringCharBuffer(str, markValue(),
67 position(), limit(), capacity(), offset);
68 }
69
70 public CharBuffer asReadOnlyBuffer() {
71 return duplicate();
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26 package java.nio;
27
28
29 // ## If the sequence is a string, use reflection to share its array
30
31 class StringCharBuffer // package-private
32 extends CharBuffer
33 {
34 CharSequence str;
35
36 StringCharBuffer(CharSequence s, int start, int end) { // package-private
37 super(-1, start, end, s.length());
38 int n = s.length();
39 if ((start < 0) || (start > n) || (end < start) || (end > n))
40 throw new IndexOutOfBoundsException();
41 str = s;
42 this.isReadOnly = true;
43 }
44
45 public CharBuffer slice() {
46 int pos = this.position();
47 int lim = this.limit();
48 int rem = (pos <= lim ? lim - pos : 0);
49 return new StringCharBuffer(str,
50 -1,
51 0,
52 rem,
53 rem,
54 offset + pos);
55 }
56
57 private StringCharBuffer(CharSequence s,
58 int mark,
59 int pos,
60 int limit,
61 int cap,
62 int offset) {
63 super(mark, pos, limit, cap, null, offset);
64 str = s;
65 this.isReadOnly = true;
66 }
67
68 public CharBuffer duplicate() {
69 return new StringCharBuffer(str, markValue(),
70 position(), limit(), capacity(), offset);
71 }
72
73 public CharBuffer asReadOnlyBuffer() {
74 return duplicate();
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