gvsig-scripting / org.gvsig.scripting / trunk / org.gvsig.scripting / org.gvsig.scripting.lib / org.gvsig.scripting.lib.impl / src / main / java / org / gvsig / scripting / impl / DefaultScriptingManager.java @ 361
History | View | Annotate | Download (13.8 KB)
1 |
package org.gvsig.scripting.impl; |
---|---|
2 |
|
3 |
import java.io.BufferedReader; |
4 |
import java.io.BufferedWriter; |
5 |
import java.io.File; |
6 |
import java.io.FileNotFoundException; |
7 |
import java.io.FileReader; |
8 |
import java.io.FileWriter; |
9 |
import java.io.IOException; |
10 |
import java.io.Writer; |
11 |
import java.util.ArrayList; |
12 |
import java.util.HashMap; |
13 |
import java.util.Iterator; |
14 |
import java.util.List; |
15 |
import java.util.Map; |
16 |
|
17 |
import javax.script.ScriptContext; |
18 |
import javax.script.ScriptEngine; |
19 |
import javax.script.ScriptEngineFactory; |
20 |
import javax.script.ScriptEngineManager; |
21 |
import javax.script.SimpleBindings; |
22 |
import javax.swing.ImageIcon; |
23 |
|
24 |
import org.gvsig.scripting.ScriptingBaseScript; |
25 |
import org.gvsig.scripting.ScriptingDialog; |
26 |
import org.gvsig.scripting.ScriptingFolder; |
27 |
import org.gvsig.scripting.ScriptingHelpManager; |
28 |
import org.gvsig.scripting.ScriptingManager; |
29 |
import org.gvsig.scripting.ScriptingProject; |
30 |
import org.gvsig.scripting.ScriptingScript; |
31 |
import org.gvsig.scripting.ScriptingUnit; |
32 |
import org.slf4j.Logger; |
33 |
import org.slf4j.LoggerFactory; |
34 |
|
35 |
public class DefaultScriptingManager implements ScriptingManager{ |
36 |
|
37 |
private static final Logger LOG = LoggerFactory |
38 |
.getLogger(DefaultScriptingManager.class); |
39 |
|
40 |
protected Map<String, ImageIcon> icons; |
41 |
protected List<RegisterSystemFolder> systemFolders = new ArrayList<RegisterSystemFolder>(); |
42 |
protected ScriptEngineManager engineManager = null; |
43 |
private final SimpleBindings bindings = new SimpleBindings(); |
44 |
private ScriptingHelpManager helpManager = null; |
45 |
private List<String> unitTypes = null; |
46 |
private ClassLoader classLoader = null; |
47 |
private List<File> libFolders = new ArrayList<File>(); |
48 |
private File home = null; |
49 |
|
50 |
public DefaultScriptingManager() {
|
51 |
this.classLoader = getClass().getClassLoader();
|
52 |
this.setHomeFolder(null); |
53 |
this.bindings.put("ScriptingManager", this); |
54 |
} |
55 |
|
56 |
public DefaultScriptingManager(ClassLoader classLoader) { |
57 |
this();
|
58 |
this.classLoader = classLoader;
|
59 |
} |
60 |
|
61 |
private void createFolder(File f){ |
62 |
if( !f.exists() ) {
|
63 |
try {
|
64 |
if( f.mkdir() ) {
|
65 |
LOG.info("Created scripting folder '"+f.getAbsolutePath()+"'"); |
66 |
} |
67 |
} catch (Throwable e) { |
68 |
// Ignore it.
|
69 |
} |
70 |
} |
71 |
} |
72 |
|
73 |
private void createDefaultFolders(File home) { |
74 |
createFolder(new File(home,"scripts")); |
75 |
createFolder(new File(home,"help")); |
76 |
createFolder(new File(home,"lib")); |
77 |
} |
78 |
|
79 |
public File getHomeFolder() { |
80 |
if( !this.home.exists() ) { |
81 |
createFolder(home); |
82 |
createDefaultFolders(home); |
83 |
} |
84 |
return this.home; |
85 |
} |
86 |
|
87 |
public void setHomeFolder(File home) { |
88 |
if( home == null ) { |
89 |
this.home = new File(System.getProperty("user.home"), ".gvsig-scripting"); |
90 |
} else {
|
91 |
this.home = home;
|
92 |
} |
93 |
createDefaultFolders(this.home);
|
94 |
LOG.info("Set scripting home to '"+this.home.getAbsolutePath()+"'"); |
95 |
this.addLibFolder(new File(this.home,"lib")); |
96 |
} |
97 |
|
98 |
protected ScriptEngineManager getEngineManager(){
|
99 |
if(this.engineManager == null){ |
100 |
this.engineManager =
|
101 |
classLoader == null ? new ScriptEngineManager() |
102 |
: new ScriptEngineManager(classLoader);
|
103 |
showEnginesInfo(engineManager); |
104 |
} |
105 |
return this.engineManager; |
106 |
} |
107 |
|
108 |
private void showEnginesInfo(ScriptEngineManager mgr) { |
109 |
if (LOG.isInfoEnabled()) {
|
110 |
List<ScriptEngineFactory> factories = mgr.getEngineFactories();
|
111 |
StringBuffer buffer = new StringBuffer(); |
112 |
List<Object> values = new ArrayList<Object>(); |
113 |
buffer.append("Scripting engines available:");
|
114 |
for (ScriptEngineFactory factory : factories) {
|
115 |
|
116 |
// Main engine info
|
117 |
buffer |
118 |
.append("\n- {}: version = {}, language = {}, langVersion = {}");
|
119 |
values.add(factory.getEngineName()); |
120 |
values.add(factory.getEngineVersion()); |
121 |
values.add(factory.getLanguageName()); |
122 |
values.add(factory.getLanguageVersion()); |
123 |
|
124 |
// Aliases
|
125 |
buffer.append("\n\t- Aliases: ");
|
126 |
List<String> engNames = factory.getNames(); |
127 |
int size = engNames.size();
|
128 |
for (String name : engNames) { |
129 |
size--; |
130 |
buffer.append("{}");
|
131 |
if (size > 0) { |
132 |
buffer.append(", ");
|
133 |
} |
134 |
values.add(name); |
135 |
} |
136 |
buffer.append("\n\t- File extensions: ");
|
137 |
List<String> extNames = factory.getExtensions(); |
138 |
size = extNames.size(); |
139 |
for (String name : extNames) { |
140 |
size--; |
141 |
buffer.append("{}");
|
142 |
if (size > 0) { |
143 |
buffer.append(", ");
|
144 |
} |
145 |
values.add(name); |
146 |
} |
147 |
buffer.append("\n\t- Mime types: ");
|
148 |
List<String> mimeNames = factory.getMimeTypes(); |
149 |
size = mimeNames.size(); |
150 |
for (String name : mimeNames) { |
151 |
size--; |
152 |
buffer.append("{}");
|
153 |
if (size > 0) { |
154 |
buffer.append(", ");
|
155 |
} |
156 |
values.add(name); |
157 |
} |
158 |
|
159 |
} |
160 |
LOG.info(buffer.toString(), values.toArray()); |
161 |
} |
162 |
} |
163 |
|
164 |
protected ScriptEngine getEngine(String langName) { |
165 |
ScriptEngine engine = this.getEngineManager().getEngineByName(langName);
|
166 |
engine.getBindings(ScriptContext.ENGINE_SCOPE).putAll(bindings); |
167 |
return engine;
|
168 |
} |
169 |
|
170 |
public ImageIcon getIcon(String name){ |
171 |
return this.icons.get(name); |
172 |
} |
173 |
|
174 |
public Map<String,String> getSupportedLanguagesByExtension(){ |
175 |
List<ScriptEngineFactory> factories =
|
176 |
getEngineManager().getEngineFactories(); |
177 |
Map<String, String> extToLang = new HashMap<String, String>(); |
178 |
|
179 |
for (ScriptEngineFactory factory : factories) {
|
180 |
List<String> extNames = factory.getExtensions(); |
181 |
for (String name : extNames) { |
182 |
extToLang.put(".".concat(name), factory.getLanguageName());
|
183 |
} |
184 |
} |
185 |
|
186 |
return extToLang;
|
187 |
} |
188 |
|
189 |
public Map<String, String> getExtensionsByLanguages(){ |
190 |
Map<String, String> l = getSupportedLanguagesByExtension(); |
191 |
Map<String,String> result = new HashMap<String,String>(); |
192 |
Iterator<Map.Entry<String, String>> it = l.entrySet().iterator(); |
193 |
while (it.hasNext()) {
|
194 |
Map.Entry<String, String> pairs = it.next(); |
195 |
result.put(pairs.getValue(), pairs.getKey()); |
196 |
} |
197 |
return result;
|
198 |
} |
199 |
|
200 |
public boolean validateUnitId(ScriptingFolder folder, String id){ |
201 |
List<ScriptingUnit> units = folder.getUnits();
|
202 |
String fileName;
|
203 |
String s[]; |
204 |
String extension;
|
205 |
for(int i=0; i<units.size();i++){ |
206 |
fileName = (units.get(i)).getId(); |
207 |
s = fileName.split("\\.");
|
208 |
extension = null;
|
209 |
if (s.length>1){ |
210 |
extension ="." + s[s.length-1]; |
211 |
fileName = fileName.substring(0,fileName.length()-extension.length());
|
212 |
} |
213 |
if(fileName.equals(id)){
|
214 |
return false; |
215 |
} |
216 |
} |
217 |
return true; |
218 |
} |
219 |
|
220 |
public static String getStringFromFile(String filename){ |
221 |
|
222 |
BufferedReader b = null; |
223 |
try {
|
224 |
b = new BufferedReader(new FileReader(filename)); |
225 |
} catch (FileNotFoundException e) { |
226 |
// TODO Auto-generated catch block
|
227 |
e.printStackTrace(); |
228 |
} |
229 |
StringBuffer sb=new StringBuffer(); |
230 |
String str;
|
231 |
try {
|
232 |
while((str=b.readLine())!=null) { |
233 |
sb.append(str); |
234 |
sb.append('\n');
|
235 |
} |
236 |
} catch (IOException e) { |
237 |
// TODO Auto-generated catch block
|
238 |
e.printStackTrace(); |
239 |
} |
240 |
return sb.toString();
|
241 |
|
242 |
} |
243 |
|
244 |
public ScriptingDialog createDialog(ScriptingFolder folder, String id) { |
245 |
DefaultScriptingDialog sd = new DefaultScriptingDialog(this); |
246 |
sd.setId(id); |
247 |
File file = new File(((DefaultScriptingFolder)folder).getPath()+File.separator+id); |
248 |
try {
|
249 |
file.createNewFile(); |
250 |
} catch (IOException e) { |
251 |
// TODO Auto-generated catch block
|
252 |
e.printStackTrace(); |
253 |
} |
254 |
|
255 |
// Eliminamos la extensión, para crear el '.dlg'
|
256 |
String s[] = id.split("\\."); |
257 |
String newId;
|
258 |
if (s.length>=2){ |
259 |
String extension ="." + s[s.length-1]; |
260 |
newId = id.substring(0,id.length()-extension.length());
|
261 |
}else{
|
262 |
newId = id; |
263 |
} |
264 |
File fileDlg = new File(((DefaultScriptingFolder)folder).getPath()+File.separator+newId+".dlg"); |
265 |
try {
|
266 |
fileDlg.createNewFile(); |
267 |
} catch (IOException e) { |
268 |
// TODO Auto-generated catch block
|
269 |
e.printStackTrace(); |
270 |
} |
271 |
|
272 |
// Escribimos en el fichero '.dlg' lo mínimo para que pueda ejecutarse
|
273 |
Writer output = null; |
274 |
try {
|
275 |
output = new BufferedWriter(new FileWriter(fileDlg)); |
276 |
output.write("<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n<panel/>");
|
277 |
output.close(); |
278 |
} catch (IOException e) { |
279 |
// TODO Auto-generated catch block
|
280 |
e.printStackTrace(); |
281 |
} |
282 |
|
283 |
sd.load(folder, id); |
284 |
return sd;
|
285 |
} |
286 |
|
287 |
public ScriptingFolder createFolder(ScriptingFolder folder, String id) { |
288 |
DefaultScriptingFolder fd = new DefaultScriptingFolder(this); |
289 |
File dir = new File(((DefaultScriptingFolder)folder).getPath()+File.separator+id); |
290 |
dir.mkdir(); |
291 |
fd.load(folder,id); |
292 |
return fd;
|
293 |
} |
294 |
|
295 |
public ScriptingProject createProject(ScriptingFolder folder, String id) { |
296 |
// TODO Auto-generated method stub
|
297 |
return null; |
298 |
} |
299 |
|
300 |
public ScriptingScript createScript(ScriptingFolder folder, String id) { |
301 |
DefaultScriptingScript sc = new DefaultScriptingScript(this); |
302 |
sc.setId(id); |
303 |
File file = new File(((DefaultScriptingFolder)folder).getPath()+File.separator+id); |
304 |
try {
|
305 |
file.createNewFile(); |
306 |
} catch (IOException e) { |
307 |
// TODO Auto-generated catch block
|
308 |
e.printStackTrace(); |
309 |
return null; |
310 |
} |
311 |
sc.load(folder, id); |
312 |
return sc;
|
313 |
} |
314 |
|
315 |
public ScriptingBaseScript getScript(File file) { |
316 |
ScriptingBaseScript script = (ScriptingBaseScript) this.getUnit(file);
|
317 |
|
318 |
if (script == null){ |
319 |
throw new RuntimeException(file.getPath()); |
320 |
} |
321 |
return script;
|
322 |
} |
323 |
|
324 |
public ScriptingFolder getFolder(File file) { |
325 |
ScriptingFolder folder = (ScriptingFolder) this.getUnit(file);
|
326 |
if (folder == null){ |
327 |
throw new RuntimeException(file.getAbsolutePath()); |
328 |
} |
329 |
return folder;
|
330 |
} |
331 |
|
332 |
public ScriptingUnit getUnit(File file) { |
333 |
ScriptingFolder folder = null;
|
334 |
ScriptingUnit unit = null;
|
335 |
|
336 |
folder = this.getUserFolder();
|
337 |
unit = folder.getUnit(file); |
338 |
if( unit != null ) { |
339 |
return unit;
|
340 |
} |
341 |
|
342 |
folder = this.getSystemFolder();
|
343 |
unit = folder.getUnit(file); |
344 |
if( unit != null ) { |
345 |
return unit;
|
346 |
} |
347 |
|
348 |
return null; |
349 |
} |
350 |
|
351 |
public ScriptingFolder getSystemFolder() {
|
352 |
return new SystemFolder(this); |
353 |
} |
354 |
|
355 |
public ScriptingFolder getUserFolder() {
|
356 |
return new UserFolder(this,this.getRootUserFolder()); |
357 |
} |
358 |
|
359 |
public ScriptingBaseScript getScript(String name) { |
360 |
return (ScriptingBaseScript)findScript(null, name); |
361 |
} |
362 |
|
363 |
private ScriptingUnit findScript(ScriptingFolder folder, String name) { |
364 |
if( name==null ) { |
365 |
return null; |
366 |
} |
367 |
if( name.trim().length()==0 ) { |
368 |
return null; |
369 |
} |
370 |
ScriptingUnit unit = null;
|
371 |
if( folder == null ) { |
372 |
unit = findScript(this.getUserFolder(), name);
|
373 |
if( unit != null ) { |
374 |
return unit;
|
375 |
} |
376 |
unit = findScript(this.getSystemFolder(), name);
|
377 |
return unit;
|
378 |
} |
379 |
List<ScriptingUnit> units = folder.getUnits();
|
380 |
Iterator it = units.iterator();
|
381 |
while( it.hasNext() ) {
|
382 |
unit = (ScriptingUnit) it.next(); |
383 |
if( unit instanceof ScriptingFolder ) { |
384 |
unit = findScript((ScriptingFolder) unit, name); |
385 |
if( unit!= null ) { |
386 |
return unit;
|
387 |
} |
388 |
} else if( unit instanceof ScriptingBaseScript ) { |
389 |
if( name.equalsIgnoreCase(unit.getId())) {
|
390 |
return unit;
|
391 |
} |
392 |
} |
393 |
} |
394 |
return null; |
395 |
} |
396 |
|
397 |
public File getRootUserFolder() { |
398 |
return new File(this.getHomeFolder(),"scripts"); |
399 |
} |
400 |
|
401 |
public void registerSystemFolder(String name, File folder) { |
402 |
this.systemFolders.add(new RegisterSystemFolder(name, folder)); |
403 |
LOG.info("Register system folder name '"+name+"' folder "+folder.getAbsolutePath()+"'"); |
404 |
|
405 |
} |
406 |
|
407 |
public List<RegisterSystemFolder> getSystemFolders(){ |
408 |
return this.systemFolders; |
409 |
} |
410 |
|
411 |
|
412 |
public static class RegisterSystemFolder { |
413 |
public String name; |
414 |
public File folder; |
415 |
|
416 |
public RegisterSystemFolder(String name, File folder) { |
417 |
this.name = name;
|
418 |
this.folder = folder;
|
419 |
} |
420 |
} |
421 |
|
422 |
|
423 |
public String getExtensionByLanguage(String langName) { |
424 |
Map<String, String> extensions = getSupportedLanguagesByExtension(); |
425 |
Iterator<String> iterator = extensions.keySet().iterator(); |
426 |
String extension = null; |
427 |
String s = null; |
428 |
|
429 |
while (iterator. hasNext()){
|
430 |
extension = iterator.next(); |
431 |
s = extensions.get(extension); |
432 |
if (s.equalsIgnoreCase(langName)) {
|
433 |
return extension;
|
434 |
} |
435 |
|
436 |
} |
437 |
|
438 |
return null; |
439 |
} |
440 |
|
441 |
public Object get(String key) { |
442 |
return this.bindings.get(key); |
443 |
} |
444 |
|
445 |
public void put(String key, Object value) { |
446 |
this.bindings.put(key,value);
|
447 |
|
448 |
} |
449 |
|
450 |
public ScriptingHelpManager getHelpManager() {
|
451 |
if( this.helpManager == null ) { |
452 |
this.helpManager = new DefaultScriptingHelpManager(this); |
453 |
} |
454 |
return this.helpManager; |
455 |
} |
456 |
|
457 |
public ScriptingUnit createUnit(String unitType, ScriptingFolder folder, String id) { |
458 |
if(unitType.equals(UNIT_SCRIPT)){
|
459 |
return this.createScript(folder, id); |
460 |
} |
461 |
if(unitType.equals(UNIT_DIALOG)){
|
462 |
return this.createDialog(folder, id); |
463 |
} |
464 |
if(unitType.equals(UNIT_FOLDER)){
|
465 |
return this.createFolder(folder, id); |
466 |
} |
467 |
if(unitType.equals(UNIT_PROJECT)){
|
468 |
return null; |
469 |
} |
470 |
return null; |
471 |
} |
472 |
|
473 |
public List<String> getUnitTypes() { |
474 |
if(this.unitTypes==null){ |
475 |
this.unitTypes=new ArrayList<String>(); |
476 |
this.unitTypes.add(UNIT_SCRIPT);
|
477 |
this.unitTypes.add(UNIT_DIALOG);
|
478 |
this.unitTypes.add(UNIT_PROJECT);
|
479 |
this.unitTypes.add(UNIT_FOLDER);
|
480 |
} |
481 |
return this.unitTypes; |
482 |
} |
483 |
|
484 |
public void addLibFolder(File lib) { |
485 |
if( lib.exists() ) {
|
486 |
LOG.info("Add scripting lib folder '"+lib.getAbsolutePath()+"'"); |
487 |
this.libFolders.add(lib);
|
488 |
} else {
|
489 |
LOG.info("Skip add scripting lib folder '"+lib.getAbsolutePath()+"', folder don't exist"); |
490 |
} |
491 |
} |
492 |
|
493 |
public List<File> getLibFolders() { |
494 |
return this.libFolders; |
495 |
} |
496 |
} |