1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
|
// java.io.DataOutputStream
// An implementation of the Java Language Specification section 22.21
// Written by Charles Briscoe-Smith; refer to the file LEGAL for details.
package java.io;
public class DataOutputStream extends FilterOutputStream implements DataOutput {
protected int written;
public DataOutputStream(OutputStream o) { super(o); }
public void write(int b) throws IOException
{
out.write(b & 0xff);
written++;
}
public void write(byte[] b, int off, int len)
throws IOException, NullPointerException,
IndexOutOfBoundsException
{
out.write(b, off, len);
written+=len;
}
public void flush() throws IOException
{
out.flush();
}
public final void writeBoolean(boolean v) throws IOException
{
write(v?1:0);
}
public final void writeByte(int v) throws IOException
{
write(v);
}
public final void writeShort(int v) throws IOException
{
write(v>>8);
write(v);
}
public final void writeChar(int v) throws IOException
{
writeShort(v);
}
public final void writeInt(int v) throws IOException
{
write(v>>24);
write(v>>16);
write(v>>8);
write(v);
}
public final void writeLong(long v) throws IOException
{
write((int)v>>56);
write((int)v>>48);
write((int)v>>40);
write((int)v>>32);
write((int)v>>24);
write((int)v>>16);
write((int)v>>8);
write((int)v);
}
public final void writeFloat(float v) throws IOException
{
// FIXME
throw new InternalError("Can't output floats yet.");
// writeInt(Float.floatToIntBits(v));
}
public final void writeDouble(double v) throws IOException
{
// FIXME
throw new InternalError("Can't output doubles yet.");
// writeLong(Double.doubleToLongBits(v));
}
public final void writeBytes(String s)
throws IOException, NullPointerException,
IndexOutOfBoundsException
{
for (int i=0; i<s.length(); i++) {
write(s.charAt(i));
}
}
public final void writeChars(String s)
throws IOException, NullPointerException,
IndexOutOfBoundsException
{
for (int i=0; i<s.length(); i++) {
writeChar(s.charAt(i));
}
}
public final void writeUTF(String s)
throws IOException, NullPointerException,
IndexOutOfBoundsException
{
int toWrite=0;
char[] str=new char[s.length()];
s.getChars(0, str.length, str, 0);
for (int i=0; i<str.length; i++) {
if (str[i]>0 && str[i]<0x80) toWrite++;
else if (str[i]<0x800) toWrite+=2;
else toWrite+=3;
}
if (toWrite>65535) throw new UTFDataFormatException();
writeShort(toWrite);
for (int i=0; i<str.length; i++) {
if (str[i]>0 && str[i]<0x80)
write(str[i]);
else if (str[i]<0x800) {
write(0xc0 | (0x1f & (str[i]>>6)));
write(0x80 | (0x3f & str[i]));
} else {
write(0xc0 | (0x0f & (str[i]>>12)));
write(0x80 | (0x3f & (str[i]>>6)));
write(0x80 | (0x3f & str[i]));
}
}
}
public final int size()
{
return written;
}
}
|
