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1 package org.tigris.scarab.util.build;
2
3
48
49 import java.io.BufferedReader  ;
50 import java.io.File ;
51 import java.io.FileReader ;
52 import java.io.FileWriter ;
53 import java.io.IOException ;
54 import java.io.PrintWriter ;
55 import java.io.Reader ;
56 import java.io.Writer ;
57 import java.util.Hashtable ;
58 import java.util.List ;
59 import java.util.Map ;
60 import java.util.StringTokenizer ;
61 import java.util.Vector ;
62
63
70
71 public class PropertyFileGenerator
72 {
73
78 private File templateFile;
79
80
87 private File customFile;
88
89
94
95 private Map userProperties;
96
97
103 public boolean setTemplate(String theTemplatePath)
104 {
105 boolean status = true;
106 templateFile = new File (theTemplatePath);
107 if(!templateFile.exists())
108 {
109 status = false;
110 }
111 return status;
112 }
113
114
119 public String getTemplate()
120 {
121 return (templateFile==null)? null:templateFile.getAbsolutePath();
122 }
123
124
130 public boolean setCustom(String theCustomPath)
131 {
132 boolean status = true;
133 customFile = new File (theCustomPath);
134 if(!customFile.getParentFile().exists())
135 {
136 customFile.getParentFile().mkdir();
137 }
138
139 if(customFile.exists() &&
140 !customFile.canWrite())
141 {
142 status = false;
143 }
144
145 return status;
146 }
147
148
153 public String getCustom()
154 {
155 String result = null;
156 if ( customFile != null )
157 {
158 result = customFile.getAbsolutePath();
159 }
160 return result;
161 }
162
163
171 public boolean setProperties(String theUserPathes)
172 {
173 List filePathes = createPathList(theUserPathes);
174
175 if(filePathes != null)
176 {
177 userProperties = new Hashtable ();
178 for(int index=0; index<filePathes.size(); index++)
179 {
180 File file = new File ((String )filePathes.get(index));
181 if(file.exists())
182 {
183 if(!file.canRead())
184 {
185 throw new RuntimeException ("No Read permission for file ["+filePathes.get(index)+"]");
186 }
187 try
188 {
189 addUnresolvedProperties(file,userProperties);
190 }
191 catch (IOException e)
192 {
193 throw new RuntimeException ("Could not read file ["+filePathes.get(index)+"]");
194 }
195 }
196 }
197 }
198 return true;
199 }
200
201
205 private void addUnresolvedProperties(File file, Map properties) throws IOException
206 {
207 Reader reader = new FileReader (file);
208 BufferedReader br = new BufferedReader (reader);
209
210 String line;
211
212 while((line=br.readLine()) != null)
213 {
214 String trimmedLine = line.trim();
215 if ( trimmedLine.equals("")
216 ||trimmedLine.startsWith("#") )
217 {
218 continue; }
220 else
221 {
222 String name = null;
223 String value = null;
224 int index = line.indexOf("=");
225 if(index >=0)
226 {
227 name = line.substring(0,index).trim();
228 value = line.substring(index+1).trim();
229 }
230 else
231 {
232 name = line.trim();
233 value = "";
234 }
235
236 if(properties.get(name) == null)
237 {
238 properties.put(name,value);
239 }
240 }
241 }
242 br.close();
243 }
244
245
254 private List createPathList(String theUserPathes)
255 {
256 List result = null;
257 StringTokenizer stok = new StringTokenizer (theUserPathes,":");
258 while(stok.hasMoreTokens())
259 {
260 String path = stok.nextToken();
261 if(path.length()==1 && stok.hasMoreTokens())
262 {
263 path+=":"+stok.nextToken();
265 }
266
267 if(result == null)
268 {
269 result = new Vector ();
270 }
271
272 result.add(path);
273 }
274 return result;
275 }
276
277
278
296 public void execute(PropertyGetter props) throws IOException {
297
298
299 Reader reader = new FileReader (templateFile);
300 Writer writer = new FileWriter (customFile);
301 BufferedReader br = new BufferedReader (reader);
302 PrintWriter pw = new PrintWriter (writer);
303
304 String line;
305
306 while((line=br.readLine()) != null)
307 {
308 String trimmedLine = line.trim();
309 if ( trimmedLine.equals("")
310 ||trimmedLine.startsWith("#") )
311 {
312 pw.println(line);
313 }
314 else
315 {
316 String resultLine = createResultLine(line, props);
317 pw.println(resultLine);
318 }
319 }
320 pw.close();
321 br.close();
322
323 }
324
325
345 private String createResultLine(String line, PropertyGetter props)
346 {
347 String propertyName = null;
348 String templateValue = null;
349 String resultLine;
350 int index = line.indexOf("=");
351 if(index >=0)
352 {
353 propertyName = line.substring(0,index).trim();
354 templateValue = line.substring(index+1).trim();
355 int beginOfValue = line.indexOf(templateValue,index+1);
356 resultLine = (beginOfValue == -1) ?
357 line : line.substring(0,beginOfValue);
358 }
359 else
360 {
361 propertyName = line.trim();
362 templateValue = "";
363 int endOfLine = line.indexOf(propertyName)+propertyName.length();
364 resultLine = ((endOfLine == -1) ? line : line.substring(0,endOfLine)) + " = ";
365 }
366
367 String newValue = (String ) userProperties.get(propertyName);
368
369 if(newValue == null)
370 {
371 newValue = (String ) props.getProperty(propertyName,templateValue);
372 if(newValue == null)
373 {
374 newValue = "";
375 }
376 }
377 else if(newValue.equalsIgnoreCase("**generated**"))
378 {
379 String dbtype = (String )props.getProperty("scarab.database.type","hypersonic");
380 if(dbtype.equals(""))
381 {
382 dbtype="hypersonic";
383 }
384 newValue = "${"+propertyName+"."+dbtype+"}";
385 }
386
387 if ( newValue.equals(templateValue))
388 {
389 resultLine = line;
390 }
391 else
392 {
393 resultLine += newValue;
394 }
395 return resultLine;
396 }
397 }
398 |
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