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1 package org.jahia.data.containers;
2
3 import java.util.List  ;
4 import java.util.Arrays ;
5
6
13 public class NumberFormats {
14
15 public static final String BYTE_FORMAT = "Byte";
16 public static final String SHORT_FORMAT = "Short";
17 public static final String INTEGER_FORMAT = "Integer";
18 public static final String LONG_FORMAT = "Long";
19 public static final String FLOAT_FORMAT = "Float";
20 public static final String DOUBLE_FORMAT = "Double";
21
22 private static final String [] formats = {BYTE_FORMAT,SHORT_FORMAT,INTEGER_FORMAT,
23 LONG_FORMAT,FLOAT_FORMAT,DOUBLE_FORMAT};
24
25 private static List formatsList;
26
27 static {
28 formatsList = Arrays.asList(formats);
29 }
30
31
37 public static boolean isValidFormat(String format){
38 if ( format == null ){
39 return false;
40 }
41 return formatsList.contains(format);
42 }
43
44
51 public static int compareNumber(String v1,
52 String v2,
53 String format){
54 int result = 0;
55 if ( BYTE_FORMAT.equals(format) ){
56 return compareByte(v1,v2);
57 } else if ( SHORT_FORMAT.equals(format) ){
58 return compareShort(v1,v2);
59 } else if ( INTEGER_FORMAT.equals(format) ){
60 return compareInteger(v1,v2);
61 } else if ( LONG_FORMAT.equals(format) ){
62 return compareLong(v1,v2);
63 } else if ( FLOAT_FORMAT.equals(format) ){
64 return compareFloat(v1,v2);
65 } else if ( DOUBLE_FORMAT.equals(format) ){
66 return compareDouble(v1,v2);
67 }
68 return result;
69 }
70
71
72 public static int compareByte(String v1, String v2){
73 int result = 0;
74 byte n1 = 0;
75 byte n2 = 0;
76
77 try {
78 n1 = Byte.parseByte(v1);
79 } catch ( Throwable t){
80 n1 = Byte.MIN_VALUE;
81 }
82 try {
83 n2 = Byte.parseByte(v2);
84 } catch ( Throwable t){
85 n2 = Byte.MIN_VALUE;
86 }
87 if ( n1 == n2 ){
88 return 0;
89 } else if ( n1 > n2 ){
90 return 1;
91 }
92 return -1;
93 }
94
95 public static int compareShort(String v1, String v2){
96 int result = 0;
97 short n1 = 0;
98 short n2 = 0;
99
100 try {
101 n1 = Short.parseShort(v1);
102 } catch ( Throwable t){
103 n1 = Short.MIN_VALUE;
104 }
105 try {
106 n2 = Short.parseShort(v2);
107 } catch ( Throwable t){
108 n2 = Short.MIN_VALUE;
109 }
110 if ( n1 == n2 ){
111 return 0;
112 } else if ( n1 > n2 ){
113 return 1;
114 }
115 return -1;
116 }
117
118 public static int compareInteger(String v1, String v2){
119 int result = 0;
120 int n1 = 0;
121 int n2 = 0;
122
123 try {
124 n1 = Integer.parseInt(v1);
125 } catch ( Throwable t){
126 n1 = Integer.MIN_VALUE;
127 }
128 try {
129 n2 = Integer.parseInt(v2);
130 } catch ( Throwable t){
131 n2 = Integer.MIN_VALUE;
132 }
133 if ( n1 == n2 ){
134 return 0;
135 } else if ( n1 > n2 ){
136 return 1;
137 }
138 return -1;
139 }
140
141 public static int compareLong(String v1, String v2){
142 int result = 0;
143 long n1 = 0;
144 long n2 = 0;
145
146 try {
147 n1 = Long.parseLong(v1);
148 } catch ( Throwable t){
149 n1 = Long.MIN_VALUE;
150 }
151 try {
152 n2 = Long.parseLong(v2);
153 } catch ( Throwable t){
154 n2 = Long.MIN_VALUE;
155 }
156 if ( n1 == n2 ){
157 return 0;
158 } else if ( n1 > n2 ){
159 return 1;
160 }
161 return -1;
162 }
163
164 public static int compareFloat(String v1, String v2){
165 int result = 0;
166 float n1 = 0;
167 float n2 = 0;
168
169 try {
170 n1 = Float.parseFloat(v1);
171 } catch ( Throwable t){
172 n1 = Float.MIN_VALUE;
173 }
174 try {
175 n2 = Float.parseFloat(v2);
176 } catch ( Throwable t){
177 n2 = Float.MIN_VALUE;
178 }
179 if ( n1 == n2 ){
180 return 0;
181 } else if ( n1 > n2 ){
182 return 1;
183 }
184 return -1;
185 }
186
187 public static int compareDouble(String v1, String v2){
188 int result = 0;
189 double n1 = 0;
190 double n2 = 0;
191
192 try {
193 n1 = Double.parseDouble(v1);
194 } catch ( Throwable t){
195 n1 = Double.MIN_VALUE;
196 }
197 try {
198 n2 = Double.parseDouble(v2);
199 } catch ( Throwable t){
200 n2 = Double.MIN_VALUE;
201 }
202 if ( n1 == n2 ){
203 return 0;
204 } else if ( n1 > n2 ){
205 return 1;
206 }
207 return -1;
208 }
209
210 }
211 |
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