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1
12
13 package org.ejtools.jmx.browser.web.action;
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15
16
17 import java.io.IOException  ;
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19 import java.io.PrintWriter ;
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21 import java.io.StringWriter ;
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23 import java.util.Locale ;
24
25 import java.util.Set ;
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27 import java.util.Vector ;
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29
30
31 import javax.management.AttributeValueExp ;
32
33 import javax.management.ObjectName ;
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35 import javax.management.Query ;
36
37 import javax.management.QueryExp ;
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39 import javax.management.ValueExp ;
40
41 import javax.servlet.ServletContext ;
42
43 import javax.servlet.ServletException ;
44
45 import javax.servlet.http.HttpServletRequest ;
46
47 import javax.servlet.http.HttpServletResponse ;
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49
50
51 import org.apache.log4j.Logger;
52
53 import org.apache.struts.action.Action;
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55 import org.apache.struts.action.ActionError;
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57 import org.apache.struts.action.ActionErrors;
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59 import org.apache.struts.action.ActionForm;
60
61 import org.apache.struts.action.ActionForward;
62
63 import org.apache.struts.action.ActionMapping;
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65 import org.apache.struts.util.MessageResources;
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67 import org.ejtools.jmx.browser.web.Constants;
68
69 import org.ejtools.jmx.browser.web.JMXContainer;
70
71 import org.ejtools.jmx.browser.web.form.SearchForm;
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73
74
75
90
91 public class SearchAction extends Action
92
93 {
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95
96
97 private static Logger logger = Logger.getLogger(SearchAction.class);
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99
100
101
102
103
104
105 public SearchAction() { }
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107
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111
132
133 public ActionForward perform(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response)
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135 throws IOException , ServletException
136
137 {
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139 JMXContainer tree = null;
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141 SearchForm searchForm = null;
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143
144
145
147 Locale locale = getLocale(request);
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149 MessageResources messages = getResources();
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151
152
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155 ActionErrors errors = new ActionErrors();
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157
158
159 if (form instanceof SearchForm)
160
161 {
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163 searchForm = (SearchForm) form;
164
165 }
166
167 else
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169 {
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171 errors.add(ActionErrors.GLOBAL_ERROR, new ActionError("web.error.no.form"));
172
173 }
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175
176
177 logger.debug("Connecting to JMX Server");
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179
180
181 ServletContext context = this.getServlet().getServletContext();
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183 tree = (JMXContainer) context.getAttribute(Constants.TREE);
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185
186
187 context.setAttribute(Constants.SEARCH_RESULT, new Vector ());
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189
190
191 if (tree != null)
192
193 {
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195 String filter = searchForm.getFilter();
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197 String attribute = searchForm.getAttribute();
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199 String query = searchForm.getQuery();
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201 String value = searchForm.getValue();
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203 String type = searchForm.getType();
204
205
206
207 try
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209 {
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211 ObjectName name = null;
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213 QueryExp qExp = null;
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215
216
217 if (!("".equals(filter)))
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219 {
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221 name = new ObjectName (filter);
222
223 }
224
225
226
227 logger.debug("ObjectName " + name);
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229
230
231 if (!("".equals(attribute)))
232
233 {
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235 AttributeValueExp attrExp = Query.attr(attribute);
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237 ValueExp valExp = computeValue(type, value);
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239
240
241 qExp = computeQuery(query, attrExp, valExp);
242
243 }
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245
246
247 logger.debug("QueryExp " + qExp);
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249
250
251 Set result = tree.query(name, qExp);
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253
254
255 if (result != null)
256
257 {
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259 logger.debug("Result " + result);
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261
262
263 context.setAttribute(Constants.SEARCH_RESULT, result);
264
265 }
266
267
268
269 }
270
271 catch (Exception e)
272
273 {
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275 errors.add(ActionErrors.GLOBAL_ERROR, new ActionError("web.error.query.filter", filter));
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277 errors.add(ActionErrors.GLOBAL_ERROR, new ActionError("web.error.exception.message", e.getMessage()));
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279
280
281 StringWriter w = new StringWriter ();
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283 PrintWriter pw = new PrintWriter (w);
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285 e.printStackTrace(pw);
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287 pw.close();
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289
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291 errors.add(ActionErrors.GLOBAL_ERROR, new ActionError("web.error.exception.stack", w.toString()));
292
293 }
294
295 }
296
297 else
298
299 {
300
301 errors.add(ActionErrors.GLOBAL_ERROR, new ActionError("web.error.cannot.connect"));
302
303 }
304
305
306
307
309 if (!errors.empty())
310
311 {
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313 saveErrors(request, errors);
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315 return (new ActionForward(mapping.getInput()));
316
317 }
318
319
320
321 return (mapping.findForward("view"));
322
323 }
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325
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327
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329
344
345 protected QueryExp computeQuery(String op, ValueExp value1, ValueExp value2)
346
347 {
348
349 if ("=".equals(op))
350
351 {
352
353 return Query.eq(value1, value2);
354
355 }
356
357 if (">".equals(op))
358
359 {
360
361 return Query.gt(value1, value2);
362
363 }
364
365 if (">=".equals(op))
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367 {
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369 return Query.geq(value1, value2);
370
371 }
372
373 if ("<".equals(op))
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375 {
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377 return Query.lt(value1, value2);
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379 }
380
381 if ("<=".equals(op))
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383 {
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385 return Query.leq(value1, value2);
386
387 }
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389 return null;
390
391 }
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393
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397
412
413 protected ValueExp computeValue(String type, String value)
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415 throws Exception
416
417 {
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419 logger.debug("Converting " + value + " of type " + type);
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421
422
423 if ("java.lang.String".equals(type))
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425 {
426
427 return Query.value(value);
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429 }
430
431
432
433 if ("java.lang.Integer".equals(type))
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435 {
436
437 return Query.value(new Integer (value));
438
439 }
440
441 if ("java.lang.Long".equals(type))
442
443 {
444
445 return Query.value(new Long (value));
446
447 }
448
449 if ("java.lang.Float".equals(type))
450
451 {
452
453 return Query.value(new Float (value));
454
455 }
456
457 if ("java.lang.Double".equals(type))
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459 {
460
461 return Query.value(new Double (value));
462
463 }
464
465 if ("java.lang.Boolean".equals(type))
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467 {
468
469 return Query.value((new Boolean (value)).booleanValue());
470
471 }
472
473
474
475 if ("byte".equals(type))
476
477 {
478
479 return Query.value(Byte.parseByte(value));
480
481 }
482
483 if ("short".equals(type))
484
485 {
486
487 return Query.value(Short.parseShort(value));
488
489 }
490
491 if ("int".equals(type))
492
493 {
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495 return Query.value(Integer.parseInt(value));
496
497 }
498
499 if ("long".equals(type))
500
501 {
502
503 return Query.value(Long.parseLong(value));
504
505 }
506
507 if ("float".equals(type))
508
509 {
510
511 return Query.value(Float.parseFloat(value));
512
513 }
514
515 if ("double".equals(type))
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517 {
518
519 return Query.value(Double.parseDouble(value));
520
521 }
522
523 if ("boolean".equals(type))
524
525 {
526
527 return Query.value((new Boolean (value)).booleanValue());
528
529 }
530
531 return null;
532
533 }
534
535 }
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537 |
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