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1
9 package org.ozoneDB.DxLib;
10
11 import java.io.*;
12
13
14 public class DxString extends DxObject implements Externalizable {
15
16 final static long serialVersionUID = 1L;
17
18 String  value = new String ();
19
20
21 public DxString() {
22 super();
23 }
24
25
26 public DxString( DxString s ) {
27 super();
28 value = new String ( s.value );
29 }
30
31
32 public DxString( String v ) {
33 super();
34 value = new String ( v );
35 }
36
37
38 public Object clone() {
39 return new DxString( value );
40 }
41
42
43 public boolean equals( String obj ) {
44 return value.equals( obj );
45 }
46
47
48 public boolean equals( Object obj ) {
49 if (this == obj) {
50 return true;
51 }
52 if (obj instanceof DxString && obj != null) {
53 return value.equals( ((DxString)obj).value );
54 } else {
55 return false;
56 }
57 }
58
59
60 public boolean isLess( DxCompatible obj ) {
61 if (this == obj) {
62 return false;
63 }
64 return value.compareTo( ((DxString)obj).value ) < 0;
65 }
66
67
68 public String toString() {
69 return value;
70 }
71
72
73 public int hashCode() {
74 return value.hashCode();
76 }
77
78
79 public DxString append( DxString s ) {
80 value += s;
81 return this;
82 }
83
84
85 public DxString append( String s ) {
86 return append( new DxString( s ) );
87 }
88
89
90 public DxString prepend( DxString s ) {
91 value = s + value;
92 return this;
93 }
94
95
96 public DxString prepend( String s ) {
97 return prepend( new DxString( s ) );
98 }
99
100
101 public void insertAt( DxString s, int a ) {
102 insertAt( s, a, s.length() );
103 }
104
105
106 public void insertAt( String s, int a ) {
107 insertAt( new DxString( s ), a, s.length() );
108 }
109
110
111 public void insertAt( DxString s, int a, int len ) {
112 String pre = value.substring( 0, a );
113 String app = value.substring( a, value.length() );
114 value = pre + s.value.substring( 0, len ) + app;
115 }
116
117
118 public void insertAt( String s, int a, int len ) {
119 insertAt( new DxString( s ), a, len );
120 }
121
122
123 public void deleteAt( int a ) {
124 deleteAt( a, value.length() - a );
125 }
126
127
128 public void deleteAt( int a, int len ) {
129 String pre = value.substring( 0, a );
130 String app = value.substring( a + len, value.length() );
131 value = pre + app;
132 }
133
134
135 public DxString at( int a, int len ) {
136 return new DxString( value.substring( a, a + len ) );
137 }
138
139
140 public int length() {
141 return value.length();
142 }
143
144
145 public void writeExternal( ObjectOutput out ) throws IOException {
146 out.writeUTF( value );
147 }
148
149
150 public void readExternal( ObjectInput in ) throws IOException, ClassNotFoundException {
151 value = in.readUTF();
152 }
153
154 }
155 |
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