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| # | Location | File | Last Modified |
|---|---|---|---|
| 1 | IV-eHMP_CIF.zip\IMAG_Source\VISA\Java\ImagingDicomRouter\main\src\java\gov\va\med\imaging\core\router\commands | ProcessEmailQueueCommandImpl.java | Mon Dec 4 21:35:24 2017 UTC |
| 2 | IV-eHMP_CIF.zip\IMAG_Source\VISA\Java\ImagingDicomRouter\main\src\java\gov\va\med\imaging\core\router\commands | ProcessEmailQueueCommandImpl.java | Mon Dec 4 22:02:54 2017 UTC |
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| 1 | package go v.va.med.i maging.cor e.router.c ommands; | |
| 2 | ||
| 3 | import gov .va.med.Ro utingToken ; | |
| 4 | import gov .va.med.im aging.core .annotatio ns.routerf acade.Rout erCommandE xecution; | |
| 5 | import gov .va.med.im aging.core .interface s.exceptio ns.Connect ionExcepti on; | |
| 6 | import gov .va.med.im aging.core .interface s.exceptio ns.Invalid UserCreden tialsExcep tion; | |
| 7 | import gov .va.med.im aging.core .interface s.exceptio ns.MethodE xception; | |
| 8 | import gov .va.med.im aging.core .interface s.router.C ommand; | |
| 9 | import gov .va.med.im aging.core .router.Ab stractComm andImpl; | |
| 10 | import gov .va.med.im aging.core .router.fa cade.Inter nalContext ; | |
| 11 | import gov .va.med.im aging.exch ange.busin ess.Durabl eQueue; | |
| 12 | import gov .va.med.im aging.exch ange.busin ess.Durabl eQueueMess age; | |
| 13 | import gov .va.med.im aging.exch ange.busin ess.Queued EmailMessa ge; | |
| 14 | import gov .va.med.im aging.exch ange.busin ess.dicom. DicomServe rConfigura tion; | |
| 15 | import gov .va.med.im aging.noti fications. Notificati on; | |
| 16 | import gov .va.med.im aging.noti fications. Notificati onFacade; | |
| 17 | import gov .va.med.im aging.noti fications. Notificati onTypes; | |
| 18 | import gov .va.med.im aging.noti fications. email.Noti ficationEm ailConfigu ration; | |
| 19 | import gov .va.med.im aging.noti fications. email.Noti ficationEm ailProtoco l; | |
| 20 | ||
| 21 | import jav a.util.Arr ayList; | |
| 22 | import jav a.util.Cal endar; | |
| 23 | import jav a.util.Lis t; | |
| 24 | ||
| 25 | import jav ax.mail.in ternet.Add ressExcept ion; | |
| 26 | import jav ax.mail.in ternet.Int ernetAddre ss; | |
| 27 | ||
| 28 | import org .apache.lo gging.log4 j.LogManag er; | |
| 29 | import org .apache.lo gging.log4 j.Logger; | |
| 30 | ||
| 31 | import com .thoughtwo rks.xstrea m.XStream; | |
| 32 | import com .thoughtwo rks.xstrea m.XStreamE xception; | |
| 33 | ||
| 34 | /** | |
| 35 | * Checks queued ema il message s stored i n VistA. Finds like email mes sages and combined t hem into | |
| 36 | * a sing le email m essage to avoid gene rating too much emai l traffic for the re cipients. Determine s | |
| 37 | * if an email mess age is to be sent im mediately or sent la ter. Erro r email me ssage are sent immed iately. | |
| 38 | * Warnin g messages are sent later. Th ere is log ic to not allow an e mail messa ge to sit in the que ue for mor e | |
| 39 | * than a day. | |
| 40 | * | |
| 41 | * @author
|
|
| 42 | * | |
| 43 | */ | |
| 44 | @RouterCom mandExecut ion(asynch ronous = t rue, distr ibutable = false) | |
| 45 | public cla ss Process EmailQueue CommandImp l extends | |
| 46 | Abst ractComman dImpl<Bool ean> { | |
| 47 | ||
| 48 | pr ivate stat ic final l ong serial VersionUID = 4923784 727344L; | |
| 49 | pr ivate fina l static S tring EMAI L_QUEUE_NA ME = "E-Ma il Queue"; | |
| 50 | pr ivate Logg er logger = LogManag er | |
| 51 | .getLo gger(Proce ssEmailQue ueCommandI mpl.class) ; | |
| 52 | pr ivate stat ic final D icomServer Configurat ion config = getConf ig(); | |
| 53 | pr ivate stat ic final N otificatio nEmailConf iguration emailConfi g = getEma ilConfig() ; | |
| 54 | ||
| 55 | privat e DurableQ ueue email Queue; | |
| 56 | ||
| 57 | pu blic Proce ssEmailQue ueCommandI mpl() { | |
| 58 | } | |
| 59 | ||
| 60 | @O verride | |
| 61 | pu blic Boole an callSyn chronously InTransact ionContext () | |
| 62 | throws MethodExc eption, Co nnectionEx ception { | |
| 63 | logg er.info("C hecking " + EMAIL_QU EUE_NAME + " for E-m ail messag es to send "); | |
| 64 | Proc essEmails( ); | |
| 65 | retu rn true; | |
| 66 | } | |
| 67 | ||
| 68 | @O verride | |
| 69 | pu blic boole an equals( Object obj ) { | |
| 70 | retu rn false; | |
| 71 | } | |
| 72 | ||
| 73 | @O verride | |
| 74 | pu blic Comma nd<Boolean > getNewPe riodicInst ance() thr ows Method Exception { | |
| 75 | Proc essEmailQu eueCommand Impl comma nd = new P rocessEmai lQueueComm andImpl(); | |
| 76 | comm and.setPer iodic(true ); | |
| 77 | comm and.setPer iodicExecu tionDelay( this.getPe riodicExec utionDelay ()); | |
| 78 | retu rn command ; | |
| 79 | } | |
| 80 | ||
| 81 | pu blic List< Class<? ex tends Meth odExceptio n>> getFat alPeriodic ExceptionC lasses() | |
| 82 | { | |
| 83 | List <Class<? e xtends Met hodExcepti on>> fatal Exceptions = new Arr ayList<Cla ss<? exten ds MethodE xception>> (); | |
| 84 | fata lException s.add(Inva lidUserCre dentialsEx ception.cl ass); | |
| 85 | retu rn fatalEx ceptions; | |
| 86 | } | |
| 87 | ||
| 88 | /* * | |
| 89 | * This meth od is call ed when a periodic c ommand has thrown a fatal exce ption as d efined by the list i n getFatal PeriodicEx ceptionCla sses(). At the point when this method is called | |
| 90 | * the perio dic comman d has alre ady stoppe d executin g and will not execu te again. This meth od is mean t to allow the comma nd to aler t someone of the fai lure (such as by sen ding | |
| 91 | * an email message) | |
| 92 | * @param t | |
| 93 | * / | |
| 94 | pu blic void handleFata lPeriodicE xception(T hrowable t ) | |
| 95 | { | |
| 96 | Stri ng subject = "Invali d HDIG ser vice accou nt credent ials"; | |
| 97 | Stri ng message = "The Pr ocessEmail Queue peri odic comma nd has shu t down due to invali d HDIG ser vice accou nt credent ials."; | |
| 98 | Noti ficationFa cade.sendN otificatio n(Notifica tionTypes. InvalidSer viceAccoun tCredentia ls, subjec t, message ); | |
| 99 | } | |
| 100 | ||
| 101 | /* * | |
| 102 | * @return | |
| 103 | * / | |
| 104 | pr otected st atic Dicom ServerConf iguration getConfig( ) { | |
| 105 | retu rn DicomSe rverConfig uration.ge tConfigura tion(); | |
| 106 | } | |
| 107 | ||
| 108 | pr otected st atic Notif icationEma ilConfigur ation getE mailConfig (){ | |
| 109 | retu rn Notific ationEmail Configurat ion.getCon figuration (); | |
| 110 | } | |
| 111 | ||
| 112 | @O verride | |
| 113 | pr otected St ring param eterToStri ng() { | |
| 114 | retu rn ""; | |
| 115 | } | |
| 116 | ||
| 117 | pr otected vo id Process Emails() t hrows Meth odExceptio n, Connect ionExcepti on | |
| 118 | { | |
| 119 | / / | |
| 120 | / / Get the next queue d Email m essage | |
| 121 | / / | |
| 122 | R outingToke n routingT oken = con fig.getRou tingToken( ); | |
| 123 | D urableQueu e queue = getEmailQu eue(); | |
| 124 | S tring msgG roupID = c onfig.getH ostName(); // localh ost | |
| 125 | ||
| 126 | Q ueuedEmail Message qu euedEmail = null; | |
| 127 | D urableQueu eMessage m essage = n ull; | |
| 128 | A rrayList<Q ueuedEmail Message> e mailMessag es = new A rrayList<Q ueuedEmail Message>() ; | |
| 129 | b oolean mor eMessages = true; | |
| 130 | / / collect messages u p to a MB | |
| 131 | w hile (more Messages){ | |
| 132 | //ge t the next message f rom Durabl e Queue. | |
| 133 | mess age = getQ ueueMessag e(routingT oken, queu e, msgGrou pID); | |
| 134 | ||
| 135 | if ( message != null){ // new messa ge | |
| 136 | //get the message fr om the dur able queue message a nd de-seri alize it i nto a | |
| 137 | // email message ob ject. | |
| 138 | try{ | |
| 139 | queuedEm ail = dese rializeUsi ngXStream( message.ge tMessage() ); | |
| 140 | ||
| 141 | // determine if this em ail messag e matches another em ail messag e already in the lis t. | |
| 142 | // Use the Subject Li ne for mat ching. Th is is beca use nothin g else mak es much se nse. | |
| 143 | in t emailInd ex = email Messages.i ndexOf(que uedEmail); | |
| 144 | if (emailInde x < 0){ | |
| 145 | //if the re is no m atch, add this new e mail messa ge to the list. | |
| 146 | emailMes sages.add( queuedEmai l); | |
| 147 | } | |
| 148 | el se{ | |
| 149 | QueuedEm ailMessage m = (Queu edEmailMes sage)email Messages.g et(emailIn dex); | |
| 150 | //if the re is a ma tch, add s ubject lin e and body to existi ng email b ody. | |
| 151 | // increment message co unt. | |
| 152 | StringBu ffer buf = new Strin gBuffer(m. getMessage Body()); | |
| 153 | StringBu ffer addSt ring = new StringBuf fer("\r\n- ---------- ---------- ---------- ---------- ---\r\n"+ | |
| 154 | "S ubject: "+ queuedEmai l.getSubje ctLine()+" \r\nMessag e:\r\n"+qu euedEmail. getMessage Body()); | |
| 155 | buf.appe nd(addStri ng); | |
| 156 | m.setMes sageBody(b uf.toStrin g()); | |
| 157 | m.setMes sageCount( m.getMessa geCount() + queuedEm ail.getMes sageCount( )); | |
| 158 | m.setBod yByteSize( m.getBodyB yteSize() + queuedEm ail.getBod yByteSize( )); | |
| 159 | } | |
| 160 | } | |
| 161 | catch(XStr eamExcepti on xsX){ | |
| 162 | logger .error(thi s.getClass ().getName ()+": Bad Durable Qu eue Messag e. Will sk ip message " | |
| 163 | +message.g etId()); | |
| 164 | logger.e rror(xsX.g etMessage( ), xsX); | |
| 165 | } | |
| 166 | } | |
| 167 | else { | |
| 168 | logger .info("No more entri es in " + EMAIL_QUEU E_NAME + " for " + m sgGroupID + ". Back to sleep. "); | |
| 169 | moreMe ssages = f alse; | |
| 170 | } | |
| 171 | } | |
| 172 | tran sverseQueu edEmailMes sageCollec tion(routi ngToken, q ueue, msgG roupID, em ailMessage s); | |
| 173 | } | |
| 174 | ||
| 175 | ||
| 176 | /* * | |
| 177 | * Re-queue email mess age back i nto VISA q ueue mecha nism. | |
| 178 | * | |
| 179 | * @param ro utingToken | |
| 180 | * @param qu eue repres ents the D urableQueu e for emai ls. | |
| 181 | * @param ms gGroupID r epresents the hostna me of the HDIG. | |
| 182 | * @param qu euedEmail represents the email message. | |
| 183 | * @return | |
| 184 | * @throws C onnectionE xception | |
| 185 | * @throws M ethodExcep tion | |
| 186 | * / | |
| 187 | pr otected Bo olean requ eue(Routin gToken rou tingToken, DurableQu eue queue, String ms gGroupID, QueuedEmai lMessage q ueuedEmail , Boolean doCount) | |
| 188 | throws Connectio nException , MethodEx ception | |
| 189 | { | |
| 190 | if(q ueuedEmail .getRetryC ount() < q ueue.getNu mRetries() ){ | |
| 191 | if (do Count) { | |
| 192 | queuedEm ail.increm entRetryCo unt(); | |
| 193 | } | |
| 194 | Stri ng seriali zedEmail = serialize UsingXStre am(queuedE mail); | |
| 195 | Durabl eQueueMess age messag e = new Du rableQueue Message(qu eue, msgGr oupID, ser ializedEma il); | |
| 196 | try { | |
| 197 | setQueue Message(ro utingToken , message) ; | |
| 198 | logger.d ebug(this. getClass() .getName() +": Email job requeu ed with su bject, \n" +queuedEma il.getSubj ectLine()) ; | |
| 199 | } | |
| 200 | catch( Exception X) { | |
| 201 | logger.e rror(this. getClass() .getName() +": Failed to requeu e Email wi th subject , \n" | |
| 202 | + queuedEmai l.getSubje ctLine() + ". \nNo Em ail will b e sent."); | |
| 203 | } | |
| 204 | return true; | |
| 205 | } | |
| 206 | else { | |
| 207 | //fals e, log mes sage and t hrow away the messag e. | |
| 208 | logger .error(thi s.getClass ().getName ()+": Fail ed to send Email aft er maximum number of retries w ith subjec t, \n" + q ueuedEmail .getSubjec tLine() + | |
| 209 | " \nNo Ema il will be sent."); | |
| 210 | return false; | |
| 211 | } | |
| 212 | } | |
| 213 | ||
| 214 | /* * | |
| 215 | * Send emai l message. | |
| 216 | * | |
| 217 | * @param em ailMessage | |
| 218 | * / | |
| 219 | pr otected vo id sendMai l(QueuedEm ailMessage emailMess age) | |
| 220 | { | |
| 221 | Notifica tionEmailP rotocol nE mailProtoc ol= new No tification EmailProto col(); | |
| 222 | List<Int ernetAddre ss> eMailT Os=new Arr ayList<Int ernetAddre ss>(); | |
| 223 | ArrayLis t<String> emailRecip ients = em ailMessage .getRecipi ents(); | |
| 224 | for (String to s: emailRe cipients) | |
| 225 | try{ | |
| 226 | eMailTOs .add(new I nternetAdd ress(tos)) ; | |
| 227 | } | |
| 228 | catch (AddressEx ception ae ) | |
| 229 | { | |
| 230 | logger.w arn(this.g etClass(). getName()+ ": Bad ema il address , "+tos); | |
| 231 | } | |
| 232 | Noti fication e MailMsg = Notificati on.getGene ricNotific ation(emai lMessage.g etSubjectL ine(), ema ilMessage. getMessage Body()); | |
| 233 | nEma ilProtocol .sendTo(eM ailTOs, eM ailMsg); | |
| 234 | } | |
| 235 | ||
| 236 | /* * | |
| 237 | * Get Durab leQueue co ntaining e mail messa ges. This was creat ed primari ly for uni t testing. | |
| 238 | * | |
| 239 | * @return | |
| 240 | * @throws C onnectionE xception | |
| 241 | * @throws M ethodExcep tion | |
| 242 | * / | |
| 243 | pr otected Du rableQueue getEmailQ ueue() thr ows Connec tionExcept ion, Metho dException | |
| 244 | { | |
| 245 | if ( emailQueue == null){ | |
| 246 | emailQ ueue = Int ernalConte xt.getRout er().getDu rableQueue ByName(con fig.getRou tingToken( ), EMAIL_Q UEUE_NAME) ; | |
| 247 | } | |
| 248 | retu rn emailQu eue; | |
| 249 | } | |
| 250 | ||
| 251 | /* * | |
| 252 | * Get the n ext email message in the queue . This wa s created primarily for unit t esting. | |
| 253 | * | |
| 254 | * @param ro utingToken | |
| 255 | * @param qu eue repres ents the D urableQueu e for emai ls. | |
| 256 | * @param ms gGroupID r epresents the hostna me of the HDIG. | |
| 257 | * @return | |
| 258 | * @throws M ethodExcep tion | |
| 259 | * @throws C onnectionE xception | |
| 260 | * / | |
| 261 | pr otected Du rableQueue Message ge tQueueMess age(Routin gToken rou tingToken, | |
| 262 | Durabl eQueue que ue, String msgGroupI D) throws MethodExce ption, | |
| 263 | Connec tionExcept ion { | |
| 264 | retu rn Interna lContext.g etRouter() .dequeueDu rableQueue Message(ro utingToken , queue.ge tId(), msg GroupID); | |
| 265 | } | |
| 266 | ||
| 267 | pr otected Qu euedEmailM essage des erializeUs ingXStream (String se rializedXm l)throws X StreamExce ption{ | |
| 268 | XStr eam xstrea m = new XS tream(); | |
| 269 | retu rn (Queued EmailMessa ge)xstream .fromXML(s erializedX ml); | |
| 270 | } | |
| 271 | ||
| 272 | pr otected St ring seria lizeUsingX Stream(Que uedEmailMe ssage emai lMessage){ | |
| 273 | XStr eam xstrea m = new XS tream(); | |
| 274 | retu rn xstream .toXML(ema ilMessage) ; | |
| 275 | } | |
| 276 | ||
| 277 | /* * | |
| 278 | * Re-queue an email m essage in the queue. This was created p rimarily f or unit te sting. | |
| 279 | * | |
| 280 | * @param ro utingToken | |
| 281 | * @param me ssage repr esents the email mes sage. | |
| 282 | * @throws M ethodExcep tion | |
| 283 | * @throws C onnectionE xception | |
| 284 | * / | |
| 285 | pr ivate void setQueueM essage(Rou tingToken routingTok en, | |
| 286 | Durabl eQueueMess age messag e) throws MethodExce ption, | |
| 287 | Connec tionExcept ion { | |
| 288 | Inte rnalContex t.getRoute r().enqueu eDurableQu eueMessage (routingTo ken, messa ge); | |
| 289 | } | |
| 290 | ||
| 291 | /* * | |
| 292 | * A collect ion of ema il message s was buil t from the queue. T his method now deter mines what should ha ppen | |
| 293 | * to t he email m essages. Email mess ages could be sent o ut immedia tely or it could be place back into | |
| 294 | * the queu e for late r transmis sion. Bas ically, er ror messag es are sen t out imme diately an d warning | |
| 295 | * warning message ar e re-queue d for late r. | |
| 296 | * | |
| 297 | * @param ro utingToken | |
| 298 | * @param qu eue repres ents the D urableQueu e for emai ls. | |
| 299 | * @param ms gGroupID r epresents the hostna me of the HDIG. | |
| 300 | * @param em ailMessage s represen ts the col lection of email mes sages. | |
| 301 | * @throws C onnectionE xception | |
| 302 | * @throws M ethodExcep tion | |
| 303 | * / | |
| 304 | privat e void tra nsverseQue uedEmailMe ssageColle ction(Rout ingToken r outingToke n, Durable Queue queu e, String msgGroupID , | |
| 305 | Ar rayList<Qu euedEmailM essage> em ailMessage s)throws C onnectionE xception, MethodExce ption { | |
| 306 | int maxMessage sPerEmail = emailCon fig.getMax imumMessag eCountPerE mail(); | |
| 307 | int maxBytesPe rEmail = e mailConfig .getMaximu mByteSizeP erEmail(); | |
| 308 | fo r(QueuedEm ailMessage queuedEma il : email Messages){ | |
| 309 | if(( (queuedEma il.getSubj ectLine(). contains(" DUP/")) || (queuedEm ail.getSub jectLine() .contains( "IOD Viola tion")))){ | |
| 310 | Calend ar now = C alendar.ge tInstance( ); | |
| 311 | int no wDay = now .get(Calen dar.DAY_OF _YEAR); | |
| 312 | int po stDay = qu euedEmail. getDateTim ePosted(). get(Calend ar.DAY_OF_ YEAR); | |
| 313 | if((qu euedEmail. getMessage Count() >= maxMessag esPerEmail ) | |
| 314 | || (queued Email.getB odyByteSiz e() >= max BytesPerEm ail) | |
| 315 | || (postDa y < nowDay )){ | |
| 316 | sendQueu edEmailMes sage(routi ngToken, q ueue, msgG roupID, qu euedEmail) ; | |
| 317 | } | |
| 318 | else{ | |
| 319 | requeue( routingTok en, queue, msgGroupI D, queuedE mail, fals e); // do not count retry -- t his is a N OOP | |
| 320 | } | |
| 321 | } | |
| 322 | else { | |
| 323 | sendQueued EmailMessa ge(routing Token, que ue, msgGro upID, queu edEmail); | |
| 324 | } | |
| 325 | } | |
| 326 | } | |
| 327 | ||
| 328 | /* * | |
| 329 | * Prepares email mess age to be sent out. | |
| 330 | * | |
| 331 | * @param ro utingToken | |
| 332 | * @param qu eue repres ents the D urableQueu e for emai ls. | |
| 333 | * @param ms gGroupID r epresents the hostna me of the HDIG. | |
| 334 | * @param qu euedEmail represents an email message. | |
| 335 | * @throws C onnectionE xception | |
| 336 | * @throws M ethodExcep tion | |
| 337 | * / | |
| 338 | pr ivate void sendQueue dEmailMess age(Routin gToken rou tingToken, | |
| 339 | Durabl eQueue que ue, String msgGroupI D, | |
| 340 | Queued EmailMessa ge queuedE mail) thro ws Connect ionExcepti on, | |
| 341 | Method Exception { | |
| 342 | try { | |
| 343 | int ms gCount = q ueuedEmail .getMessag eCount(); | |
| 344 | if (msgCou nt > 1){ / / place co unter on e nd | |
| 345 | String t emp = queu edEmail.ge tSubjectLi ne(); | |
| 346 | temp = t emp.concat ("(Qty: " + String.v alueOf(msg Count) + " )"); | |
| 347 | queuedEm ail.setSub jectLine(t emp); | |
| 348 | } | |
| 349 | sendMail(q ueuedEmail ); | |
| 350 | } | |
| 351 | catc h (Excepti on X){ | |
| 352 | logger .error(X.g etMessage( ), X); | |
| 353 | requeu e(routingT oken, queu e, msgGrou pID, queue dEmail, tr ue); // do count ret ries | |
| 354 | } | |
| 355 | } | |
| 356 | } |
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