1 package org.apache.maven.scm;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 import java.io.File;
23 import java.io.Serializable;
24 import java.util.Date;
25 import java.util.HashMap;
26 import java.util.Map;
27
28 /**
29 * @author <a href="mailto:trygvis@inamo.no">Trygve Laugstøl</a>
30 * @author Olivier Lamy
31 *
32 */
33 public class CommandParameters
34 implements Serializable
35 {
36 private static final long serialVersionUID = -7346070735958137283L;
37
38 private Map<String, Object> parameters = new HashMap<String, Object>();
39
40 // ----------------------------------------------------------------------
41 // String
42 // ----------------------------------------------------------------------
43
44 /**
45 * Return the parameter value as String.
46 *
47 * @param parameter The parameter
48 * @return The parameter value as a String
49 * @throws ScmException if the parameter doesn't exist
50 */
51 public String getString( CommandParameter parameter )
52 throws ScmException
53 {
54 Object object = getObject( String.class, parameter );
55
56 if ( object == null )
57 {
58 throw new ScmException( "Missing parameter: '" + parameter.getName() + "'." );
59 }
60
61 return object.toString();
62 }
63
64 /**
65 * Return the parameter value or the default value if it doesn't exist.
66 *
67 * @param parameter The parameter
68 * @param defaultValue The default value
69 * @return The parameter value as a String
70 * @throws ScmException if the value is in the wrong type
71 */
72 public String getString( CommandParameter parameter, String defaultValue )
73 throws ScmException
74 {
75 Object object = getObject( String.class, parameter, null );
76
77 if ( object == null )
78 {
79 return defaultValue;
80 }
81
82 return object.toString();
83 }
84
85 /**
86 * Set a parameter value.
87 *
88 * @param parameter The parameter name
89 * @param value The value of the parameter
90 * @throws ScmException if the parameter already exist
91 */
92 public void setString( CommandParameter parameter, String value )
93 throws ScmException
94 {
95 setObject( parameter, value );
96 }
97
98 // ----------------------------------------------------------------------
99 // Int
100 // ----------------------------------------------------------------------
101
102 /**
103 * Return the parameter value as int.
104 *
105 * @param parameter The parameter
106 * @return The parameter value as a String
107 * @throws ScmException if the parameter doesn't exist
108 */
109 public int getInt( CommandParameter parameter )
110 throws ScmException
111 {
112 return ( (Integer) getObject( Integer.class, parameter ) ).intValue();
113 }
114
115 /**
116 * Return the parameter value as int or the default value if it doesn't exist.
117 *
118 * @param parameter The parameter
119 * @param defaultValue The defaultValue
120 * @return The parameter value as a int
121 * @throws ScmException if the value is in the wrong type
122 */
123 public int getInt( CommandParameter parameter, int defaultValue )
124 throws ScmException
125 {
126 Integer value = ( (Integer) getObject( Integer.class, parameter, null ) );
127
128 if ( value == null )
129 {
130 return defaultValue;
131 }
132
133 return value.intValue();
134 }
135
136 /**
137 * Set a parameter value.
138 *
139 * @param parameter The parameter name
140 * @param value The value of the parameter
141 * @throws ScmException if the parameter already exist
142 */
143 public void setInt( CommandParameter parameter, int value )
144 throws ScmException
145 {
146 setObject( parameter, Integer.valueOf( value ) );
147 }
148
149 // ----------------------------------------------------------------------
150 // Date
151 // ----------------------------------------------------------------------
152
153 /**
154 * Return the parameter value as Date.
155 *
156 * @param parameter The parameter
157 * @return The parameter value as a Date
158 * @throws ScmException if the parameter doesn't exist
159 */
160 public Date getDate( CommandParameter parameter )
161 throws ScmException
162 {
163 return (Date) getObject( Date.class, parameter );
164 }
165
166 /**
167 * Return the parameter value as String or the default value if it doesn't exist.
168 *
169 * @param parameter The parameter
170 * @param defaultValue The defaultValue
171 * @return The parameter value as a Date
172 * @throws ScmException if the value is in the wrong type
173 */
174 public Date getDate( CommandParameter parameter, Date defaultValue )
175 throws ScmException
176 {
177 return (Date) getObject( Date.class, parameter, defaultValue );
178 }
179
180 /**
181 * Set a parameter value.
182 *
183 * @param parameter The parameter name
184 * @param date The value of the parameter
185 * @throws ScmException if the parameter already exist
186 */
187 public void setDate( CommandParameter parameter, Date date )
188 throws ScmException
189 {
190 setObject( parameter, date );
191 }
192
193 // ----------------------------------------------------------------------
194 // Boolean
195 // ----------------------------------------------------------------------
196
197 /**
198 * Return the parameter value as boolean.
199 *
200 * @param parameter The parameter
201 * @return The parameter value as a boolean
202 * @throws ScmException if the parameter doesn't exist
203 */
204 public boolean getBoolean( CommandParameter parameter )
205 throws ScmException
206 {
207 return Boolean.valueOf( getString( parameter ) ).booleanValue();
208 }
209
210 /**
211 * Return the parameter value as boolean.
212 *
213 * @since 1.7
214 * @param parameter The parameter
215 * @param defaultValue default value if parameter not exists
216 * @return The parameter value as a boolean
217 */
218 public boolean getBoolean( CommandParameter parameter, boolean defaultValue )
219 throws ScmException
220 {
221 return Boolean.valueOf( getString( parameter, Boolean.toString( defaultValue ) ) ).booleanValue();
222 }
223
224 // ----------------------------------------------------------------------
225 // ScmVersion
226 // ----------------------------------------------------------------------
227
228 /**
229 * Return the parameter value as ScmVersion.
230 *
231 * @param parameter The parameter
232 * @return The parameter value as a ScmVersion
233 * @throws ScmException if the parameter doesn't exist
234 */
235 public ScmVersion getScmVersion( CommandParameter parameter )
236 throws ScmException
237 {
238 return (ScmVersion) getObject( ScmVersion.class, parameter );
239 }
240
241 /**
242 * Return the parameter value as ScmVersion or the default value.
243 *
244 * @param parameter The parameter
245 * @param defaultValue The default value
246 * @return The parameter value as a ScmVersion
247 * @throws ScmException if the parameter doesn't exist
248 */
249 public ScmVersion getScmVersion( CommandParameter parameter, ScmVersion defaultValue )
250 throws ScmException
251 {
252 return (ScmVersion) getObject( ScmVersion.class, parameter, defaultValue );
253 }
254
255 /**
256 * Set a parameter value.
257 *
258 * @param parameter The parameter name
259 * @param scmVersion The tbranch/tag/revision
260 * @throws ScmException if the parameter already exist
261 */
262 public void setScmVersion( CommandParameter parameter, ScmVersion scmVersion )
263 throws ScmException
264 {
265 setObject( parameter, scmVersion );
266 }
267
268 // ----------------------------------------------------------------------
269 // File[]
270 // ----------------------------------------------------------------------
271
272 /**
273 * @param parameter not null
274 * @return an array of files
275 * @throws ScmException if any
276 */
277 public File[] getFileArray( CommandParameter parameter )
278 throws ScmException
279 {
280 return (File[]) getObject( File[].class, parameter );
281 }
282
283 /**
284 * @param parameter not null
285 * @param defaultValue could be null
286 * @return an array of files
287 * @throws ScmException if any
288 */
289 public File[] getFileArray( CommandParameter parameter, File[] defaultValue )
290 throws ScmException
291 {
292 return (File[]) getObject( File[].class, parameter, defaultValue );
293 }
294
295
296 public ScmTagParameters getScmTagParameters( CommandParameter parameter )
297 throws ScmException
298 {
299 return (ScmTagParameters) getObject( ScmTagParameters.class, parameter, new ScmTagParameters() );
300 }
301
302 public void setScmTagParameters( CommandParameter parameter, ScmTagParameters scmTagParameters )
303 throws ScmException
304 {
305 setObject( parameter, scmTagParameters );
306 }
307
308 public void setScmBranchParameters( CommandParameter parameter, ScmBranchParameters scmBranchParameters )
309 throws ScmException
310 {
311 setObject( parameter, scmBranchParameters );
312 }
313
314 public ScmBranchParameters getScmBranchParameters( CommandParameter parameter )
315 throws ScmException
316 {
317 return (ScmBranchParameters) getObject( ScmBranchParameters.class, parameter, new ScmBranchParameters() );
318 }
319
320 // ----------------------------------------------------------------------
321 //
322 // ----------------------------------------------------------------------
323
324 /**
325 * Return the value object.
326 *
327 * @param clazz The type of the parameter value
328 * @param parameter The parameter
329 * @return The parameter value
330 * @throws ScmException if the parameter doesn't exist
331 */
332 private Object getObject( Class<?> clazz, CommandParameter parameter )
333 throws ScmException
334 {
335 Object object = getObject( clazz, parameter, null );
336
337 if ( object == null )
338 {
339 throw new ScmException( "Missing parameter: '" + parameter.getName() + "'." );
340 }
341
342 return object;
343 }
344
345 /**
346 * Return the value object or the default value if it doesn't exist.
347 *
348 * @param clazz The type of the parameter value
349 * @param parameter The parameter
350 * @param defaultValue The defaultValue
351 * @return The parameter value
352 * @throws ScmException if the defaultValue is in the wrong type
353 */
354 private Object getObject( Class<?> clazz, CommandParameter parameter, Object defaultValue )
355 throws ScmException
356 {
357 Object object = parameters.get( parameter.getName() );
358
359 if ( object == null )
360 {
361 return defaultValue;
362 }
363
364 if ( clazz != null && !clazz.isAssignableFrom( object.getClass() ) )
365 {
366 throw new ScmException(
367 "Wrong parameter type for '" + parameter.getName() + ". " + "Expected: " + clazz.getName() + ", got: "
368 + object.getClass().getName() );
369 }
370
371 return object;
372 }
373
374 /**
375 * Set the parameter value.
376 *
377 * @param parameter The parameter
378 * @param value The parameter value
379 * @throws ScmException if the parameter already exist
380 */
381 private void setObject( CommandParameter parameter, Object value )
382 throws ScmException
383 {
384 Object object = getObject( null, parameter, null );
385
386 if ( object != null )
387 {
388 throw new ScmException( "The parameter is already set: " + parameter.getName() );
389 }
390
391 parameters.put( parameter.getName(), value );
392 }
393
394 /**
395 * Removes a parameter, silent if it didn't exist.
396 *
397 * @param parameter name of the parameter to remove
398 */
399 public void remove( CommandParameter parameter )
400 {
401 parameters.remove( parameter );
402 }
403 }