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author | alexanders@b2ef00c0-3703-41da-baef-cfe82387ac0c <none@none> | 2010-02-03 00:50:41 +0000 |
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committer | alexanders@b2ef00c0-3703-41da-baef-cfe82387ac0c <none@none> | 2010-02-03 00:50:41 +0000 |
commit | 89bda83e0570ab87c6e449f5955613d5385e90b3 (patch) | |
tree | beae82eff98e4b6e18e1521c49d48d087a8cef55 /infrastructure/net.appjet.ajstdlib/ajstdlib.scala | |
parent | d912ef9675f2e516df4eba081107729afbffe10c (diff) | |
download | etherpad-89bda83e0570ab87c6e449f5955613d5385e90b3.tar.gz etherpad-89bda83e0570ab87c6e449f5955613d5385e90b3.tar.bz2 etherpad-89bda83e0570ab87c6e449f5955613d5385e90b3.zip |
removed obsolete svn folder from hg tree
--HG--
extra : convert_revision : svn%3Ab2ef00c0-3703-41da-baef-cfe82387ac0c/trunk%408
Diffstat (limited to 'infrastructure/net.appjet.ajstdlib/ajstdlib.scala')
-rw-r--r-- | infrastructure/net.appjet.ajstdlib/ajstdlib.scala | 253 |
1 files changed, 253 insertions, 0 deletions
diff --git a/infrastructure/net.appjet.ajstdlib/ajstdlib.scala b/infrastructure/net.appjet.ajstdlib/ajstdlib.scala new file mode 100644 index 0000000..8d285af --- /dev/null +++ b/infrastructure/net.appjet.ajstdlib/ajstdlib.scala @@ -0,0 +1,253 @@ +/** + * Copyright 2009 Google Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS-IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package net.appjet.ajstdlib; + +import java.util.concurrent.locks.ReentrantLock; +import java.util.concurrent.{ScheduledThreadPoolExecutor, Callable}; +import scala.collection.mutable.{HashMap, SynchronizedMap}; + +import org.mozilla.javascript.{Context, ScriptableObject, Function, RhinoException, Scriptable}; + +import net.appjet.oui.{SpecialJarOrNotFile, DiskLibrary, FixedDiskLibrary, VariableDiskLibrary, ExecutionContext, ExecutionContextUtils, ScopeReuseManager, config, exceptionlog}; +import net.appjet.bodylock.{BodyLock, ExecutionException}; +import net.appjet.common.util.LenientFormatter; + +import org.mortbay.jetty.nio.SelectChannelConnector; +import org.mortbay.util.ajax.ContinuationSupport; + +object ajstdlib { + def runModuleInNewScope(cx: ExecutionContext, moduleName: String): Any = { + val newScope = BodyLock.subScope(cx.runner.globalScope); + if (! libraryExists(moduleName)) + return Context.getUndefinedValue(); // unfortunately, returning "false" doesn't really do the right thing here. + try { + libraryExecutable(moduleName).execute(newScope); + } catch { + case e: ExecutionException => throw e; + case e => throw new ExecutionException("Error occurred while running module: "+moduleName, e); + // TODO: There was code here to print errors to the response if something didn't compile. Replace this code? + } + newScope; + } + + private val modules = new HashMap[String, DiskLibrary] with SynchronizedMap[String, DiskLibrary]; + private def library(name: String) = modules.getOrElseUpdate(name+".js", new VariableDiskLibrary(name+".js")); + private def libraryExists(name: String) = { + val lib = library(name); + // ScopeReuseManager.watch(lib); + lib.exists; + } + private def libraryExecutable(name: String) = { + val lib = library(name); + // ScopeReuseManager.watch(lib); + lib.executable; + } + + val globalLock = new ReentrantLock(); + val attributes = new HashMap[String, Any] with SynchronizedMap[String, Any]; + + def init() { + // any other ajstdlib initialization goes here. + Comet.init(); + } +} + +object printf { + def printf(format: String, list: Array[Object]): String = { +// val list: Array[Object] = new Array[Object](argList.getLength) +// for (i <- List.range(0, list.length)) +// list(i) = argList.getElement(i).getOrElse(null) match { +// case AppVM.JSNumber(n) => n +// case AppVM.JSString(s) => s +// case AppVM.JSBoolean(b) => b +// case _ => null +// } + val args = list.map(x => Context.jsToJava(x, classOf[Object])); + try { + val fmt = new LenientFormatter() + fmt.format(format, args: _*) + fmt.toString() + } catch { + case e: java.util.IllegalFormatException => + throw new ExecutionException("String Format Error: <tt>printf</tt> error: "+e.getMessage(), e) + } + } +} + + +import java.security.MessageDigest; + +object md5 { + def md5(input: String): String = { + val bytes = input.getBytes("UTF-8"); + md5(bytes); + } + def md5(bytes: Array[byte]): String = { + var md = MessageDigest.getInstance("MD5"); + var digest = md.digest(bytes); + var builder = new StringBuilder(); + for (b <- digest) { + builder.append(Integer.toString((b >> 4) & 0xf, 16)); + builder.append(Integer.toString(b & 0xf, 16)); + } + builder.toString(); + } +} + +object execution { + def runAsync(ec: ExecutionContext, f: Function) { + ec.asyncs += f; + } + + def executeCodeInNewScope(parentScope: Scriptable, + code: String, name: String, + startLine: Int): Scriptable = { + val ec = ExecutionContextUtils.currentContext; + val executable = + try { + BodyLock.compileString(code, name, startLine); + } catch { + case e: RhinoException => + throw new ExecutionException( + "Failed to execute code in new scope.", e); + } + if (ec == null || ec.runner == null) { + Thread.dumpStack(); + } + val scope = BodyLock.subScope( + if (parentScope != null) parentScope + else ec.runner.mainScope); + scope.setParentScope(ec.runner.mainScope); + executable.execute(scope); + scope; + } + + def runTask(taskName: String, args: Array[Object]): AnyRef = { + val ec = net.appjet.oui.execution.runOutOfBand( + net.appjet.oui.execution.scheduledTaskExecutable, + "Task "+taskName, + Some(Map("taskName" -> taskName, + "taskArguments" -> args)), + { error => + error match { + case e: Throwable => exceptionlog(e); + case _ => exceptionlog(error.toString); + } + }); + ec.result; + } + + def runTaskSimply(taskName: String, args: Array[Object]): AnyRef = { + net.appjet.oui.execution.runOutOfBandSimply( + net.appjet.oui.execution.scheduledTaskExecutable, + Some(Map("taskName" -> taskName, + "taskArguments" -> args))); + } + + def wrapRunTask(taskName: String, args: Array[Object], + returnType: Class[_]): Function0[AnyRef] = { + new Function0[AnyRef] { + def apply = Context.jsToJava(runTaskSimply(taskName, args), returnType); + } + } + + val threadpools = new HashMap[String, ScheduledThreadPoolExecutor] + with SynchronizedMap[String, ScheduledThreadPoolExecutor]; + + def createNamedTaskThreadPool(name: String, poolSize: Int) { + threadpools.put(name, new ScheduledThreadPoolExecutor(poolSize)); + } + + class TaskRunner(val taskName: String, args: Array[Object]) extends Callable[AnyRef] { + def call(): AnyRef = { + runTask(taskName, args); + } + } + + def scheduleTaskInPool(poolName: String, taskName: String, delayMillis: Long, args: Array[Object]) = { + val pool = threadpools.getOrElse(poolName, throw new RuntimeException("No such task threadpool: "+poolName)); + pool.schedule(new TaskRunner(taskName, args), delayMillis, java.util.concurrent.TimeUnit.MILLISECONDS); + } + + def shutdownAndWaitOnTaskThreadPool(poolName: String, timeoutMillis: Long) = { + val pool = threadpools.getOrElse(poolName, throw new RuntimeException("No such task threadpool: "+poolName)); + pool.shutdown(); + pool.awaitTermination(timeoutMillis, java.util.concurrent.TimeUnit.MILLISECONDS); + } + + def getContinuation(ec: ExecutionContext) = { + val req = ec.request.req; + ContinuationSupport.getContinuation(req, req).asInstanceOf[SelectChannelConnector.RetryContinuation]; + } + + def sync[T](obj: AnyRef)(block: => T): T = { + obj.synchronized { + block; + } + } +} + +import javax.mail._; +import javax.mail.internet._; +import java.util.Properties; + +object email { + def sendEmail(toAddr: Array[String], fromAddr: String, subject: String, headers: Scriptable, content: String): String = { + try { + val badAddresses = for (a <- toAddr if (a.indexOf("@") == -1)) yield a; + if (badAddresses.length > 0) { + "The email address"+(if (badAddresses.length > 1) "es" else "")+" "+ + badAddresses.mkString("\"", "\", \"", "\"")+" do"+(if (badAddresses.length == 1) "es" else "")+ + " not appear to be valid."; + } else { + val debug = false; + + val props = new Properties; + props.put("mail.smtp.host", config.smtpServerHost); + props.put("mail.smtp.port", config.smtpServerPort.toString()); + if (config.smtpUser != "") + props.put("mail.smtp.auth", "true"); + + val session = Session.getInstance(props, if (config.smtpUser != "") new Authenticator { + override def getPasswordAuthentication() = + new PasswordAuthentication(config.smtpUser, config.smtpPass); + } else null); + session.setDebug(debug); + + val msg = new MimeMessage(session); + val fromIAddr = new InternetAddress(fromAddr); + msg.setFrom(fromIAddr); + val toIAddr: Array[Address] = toAddr.map(x => (new InternetAddress(x))); // new InternetAddress(toAddr); + msg.setRecipients(Message.RecipientType.TO, toIAddr); + + if (headers != null) + for (o <- headers.getIds() if o.isInstanceOf[String]) { + val k = o.asInstanceOf[String] + msg.addHeader(k, headers.get(k, headers).asInstanceOf[String]); + } + + msg.setSubject(subject); + msg.setContent(content, "text/plain"); + Transport.send(msg); + ""; + } + } catch { + case e: MessagingException => { exceptionlog(e); e.printStackTrace() ; "Messaging exception: "+e.getMessage+"."; } + case e: Exception => { exceptionlog(e); e.printStackTrace(); "Unknown error."; } + } + } +} |