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1 package com.daffodilwoods.daffodildb.utils.field;
2
3 import com.daffodilwoods.daffodildb.utils.BufferRange;
4 import java.io.*;
5 import com.daffodilwoods.daffodildb.utils.GetByteComparator;
6 import com.daffodilwoods.database.resource.DException;
7 import java.text.Collator  ;
8 import java.util.*;
9
10 public class FieldString extends FieldBase implements Comparable {
11
12 public FieldString(BufferRange bufferRange0,int datatype0,Collator collator0) {
13
14 bufferRange = bufferRange0;
15 datatype = datatype0;
16 collator = collator0;
17 }
18
19
20 public Object getObject() {
21 if (bufferRange.getNull())
22 return null;
23 if (object != null)
24 return object;
25 try {
26 object = new String (bufferRange.getFulBytes(), bufferRange.getOffSet(),
27 bufferRange.getLength(),
28 collator != null ? "UTF16" : "ISO-8859-1");
29 }
30 catch (UnsupportedEncodingException ex) {
31 return null;
32 }
33 return object;
34 }
35
36 public boolean equals(Object fieldBase){
37 try {
38 return (getDatatype() != ((FieldBase)fieldBase).getDatatype()) ? false :
39 collator == null ? GetByteComparator.stringComparator.compare(this,fieldBase) == 0
40 : collator.compare(((FieldBase)fieldBase).getObject(),getObject()) == 0;
41 }
42 catch (DException ex) {
43 return false;
44 }
45 }
46
47 public int compareTo(Object fieldBase){
48 try {
49 return (collator == null) ? GetByteComparator.stringComparator.compare(this,fieldBase)
50 : collator.compare(((FieldBase)fieldBase).getObject(),getObject()) ;
51 }
52 catch (DException ex) {
53 return -1;
54 }
55 }
56
57
58 public String toString() {
59 return (String )getObject() ;
60
61 }
62
63 public int getSize()throws DException{
64 return bufferRange.getLength();
65 }
66
67 }
68 |
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