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1 package gnu.text;
2 import java.text.Format  ;
3 import java.text.FieldPosition ;
4 import java.io.Writer ;
5
6 public class CompoundFormat extends ReportFormat
7 {
8 protected int length;
9 protected Format [] formats;
10
11 public CompoundFormat(Format [] formats, int length)
12 {
13 this.formats = formats;
14 this.length = length;
15 }
16
17 public CompoundFormat(Format [] formats)
18 {
19 this.formats = formats;
20 this.length = formats.length;
21 }
22
23 public int format(Object [] args, int start, Writer dst, FieldPosition fpos)
24 throws java.io.IOException
25 {
26 for (int i = 0; i < length; i++)
27 {
28 Format fmt = formats[i];
29 if (fmt instanceof ReportFormat)
30 {
31 start = ((ReportFormat) fmt).format(args, start, dst, fpos);
32 if (start < 0)
33 return start;
34 }
35 else if (start >= args.length)
36 dst.write("#<missing format argument>");
37 else
38 {
39 StringBuffer sbuf = new StringBuffer ();
40 fmt.format(args[start], sbuf, fpos);
41 dst.write(sbuf.toString());
42 start++;
43 }
44 }
45 return start;
46 }
47
48 public final int format(Object [] args, int start,
49 StringBuffer sbuf, FieldPosition fpos)
50 {
51 for (int i = 0; i < length; i++)
52 {
53 Format fmt = formats[i];
54 if (fmt instanceof ReportFormat)
55 {
56 start = ((ReportFormat) fmt).format(args, start, sbuf, fpos);
57 if (start < 0)
58 return start;
59 }
60 else
61 {
62 fmt.format(args[start], sbuf, fpos);
63 start++;
64 }
65 }
66 return start;
67 }
68
69 public Object parseObject(String text, java.text.ParsePosition status)
70 {
71 throw new Error ("CompoundFormat.parseObject - not implemented");
72 }
73
74 public String toString()
75 {
76 StringBuffer sbuf = new StringBuffer ();
77 sbuf.append("CompoundFormat[");
78 for (int i = 0; i < length; i++)
79 {
80 if (i > 0)
81 sbuf.append(", ");
82 sbuf.append(formats[i]);
83 }
84 sbuf.append("]");
85 return sbuf.toString();
86 }
87
88 }
89 |
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