|
1
6
7 package org.jfox.jms.message;
8
9 import javax.jms.MessageFormatException  ;
10
11
36 public class Conversions {
37
38
46 public static boolean getBoolean(Object value) throws MessageFormatException {
47 if (value instanceof Boolean ) {
48 return ((Boolean ) value).booleanValue();
49 } else if (value instanceof String ) {
50 return Boolean.valueOf((String ) value).booleanValue();
51 } else if (value == null) {
52 return Boolean.valueOf((String ) value).booleanValue();
53 } else {
54 throw new MessageFormatException ("Can't convert value of type "
55 + value.getClass().getName()
56 + " to Boolean");
57 }
58 }
59
60
68 public static byte getByte(Object value) throws MessageFormatException {
69 if (value instanceof Byte ) {
70 return ((Byte ) value).byteValue();
71 } else if (value instanceof String ) {
72 return Byte.parseByte((String ) value);
73 } else if (value == null) {
74 return Byte.valueOf((String ) value).byteValue();
75 } else {
76 throw new MessageFormatException ("Can't convert value of type "
77 + value.getClass().getName()
78 + " to Byte");
79 }
80 }
81
82
90 public static short getShort(Object value) throws MessageFormatException {
91 if (value instanceof Short ) {
92 return ((Short ) value).shortValue();
93 } else if (value instanceof Byte ) {
94 return ((Byte ) value).shortValue();
95 } else if (value instanceof String ) {
96 return Short.parseShort((String ) value);
97 } else if (value == null) {
98 return Short.valueOf((String ) value).shortValue();
99 } else {
100 throw new MessageFormatException ("Can't convert value of type "
101 + value.getClass().getName()
102 + " to Short");
103 }
104 }
105
106
115 public static char getChar(Object value) throws MessageFormatException {
116 if (value == null) {
117 return ((Character ) null).charValue();
118 } else if (value instanceof Character ) {
119 return ((Character ) value).charValue();
120 } else {
121 throw new MessageFormatException ("Can't convert value of type "
122 + value.getClass().getName()
123 + " to Char");
124 }
125 }
126
127
137 public static int getInt(Object value) throws MessageFormatException {
138 if (value instanceof Integer ) {
139 return ((Integer ) value).intValue();
140 } else if (value instanceof Byte ) {
141 return ((Byte ) value).intValue();
142 } else if (value instanceof Short ) {
143 return ((Short ) value).intValue();
144 } else if (value instanceof String ) {
145 return Integer.parseInt((String ) value);
146 } else if (value == null) {
147 return Integer.valueOf((String ) value).intValue();
148 } else {
149 throw new MessageFormatException ("Can't convert value of type "
150 + value.getClass().getName()
151 + " to Int");
152 }
153 }
154
155
165 public static long getLong(Object value) throws MessageFormatException {
166 if (value instanceof Long ) {
167 return ((Long ) value).longValue();
168 } else if (value instanceof Byte ) {
169 return ((Byte ) value).longValue();
170 } else if (value instanceof Short ) {
171 return ((Short ) value).longValue();
172 } else if (value instanceof Integer ) {
173 return ((Integer ) value).longValue();
174 } else if (value instanceof String ) {
175 return Long.parseLong((String ) value);
176 } else if (value == null) {
177 return Long.valueOf((String ) value).longValue();
178 } else {
179 throw new MessageFormatException ("Can't convert value of type "
180 + value.getClass().getName()
181 + " to Long");
182 }
183 }
184
185
195 public static float getFloat(Object value) throws MessageFormatException {
196 if (value instanceof Float ) {
197 return ((Float ) value).floatValue();
198 } else if (value instanceof String ) {
199 return Float.parseFloat((String ) value);
200 } else if (value == null) {
201 return Float.valueOf((String ) value).floatValue();
202 } else {
203 throw new MessageFormatException ("Can't convert value of type "
204 + value.getClass().getName()
205 + " to Float");
206 }
207 }
208
209
219 public static double getDouble(Object value) throws MessageFormatException {
220 if (value instanceof Double ) {
221 return ((Double ) value).doubleValue();
222 } else if (value instanceof Float ) {
223 return ((Float ) value).doubleValue();
224 } else if (value instanceof String ) {
225 return Double.parseDouble((String ) value);
226 } else if (value == null) {
227 return Double.valueOf((String ) value).doubleValue();
228 } else {
229 throw new MessageFormatException ("Can't convert value of type "
230 + value.getClass().getName()
231 + " to Double");
232 }
233 }
234
235
243 public static String getString(Object value) throws MessageFormatException {
244 return (value == null) ? null : String.valueOf(value);
245 }
246
247
255 public static byte[] getBytes(Object value) throws MessageFormatException {
256 if (value == null) {
257 return (byte[]) value;
258 } else if (value instanceof byte[]) {
259 return (byte[]) value;
260 } else {
261 throw new MessageFormatException ("Can't convert value of type "
262 + value.getClass().getName()
263 + " to byte[].");
264 }
265 }
266
267 }
268 |
Popular Tags |
Java API By Example, From Geeks To Geeks.