(refs #464)Experimental implementation of Scala based plugin

This commit is contained in:
Naoki Takezoe
2014-08-10 04:33:36 +09:00
parent 66efdac757
commit 098b18fe6d
7 changed files with 85 additions and 165 deletions

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@@ -40,7 +40,6 @@ object MyBuild extends Build {
"org.apache.httpcomponents" % "httpclient" % "4.3",
"org.apache.sshd" % "apache-sshd" % "0.11.0",
"com.typesafe.slick" %% "slick" % "2.1.0-RC3",
"org.mozilla" % "rhino" % "1.7R4",
"com.novell.ldap" % "jldap" % "2009-10-07",
"org.quartz-scheduler" % "quartz" % "2.2.1",
"com.h2database" % "h2" % "1.4.180",

View File

@@ -111,15 +111,15 @@ trait SystemSettingsControllerBase extends ControllerBase {
redirect("/admin/plugins")
})
// get("/admin/plugins/console")(adminOnly {
// admin.plugins.html.console()
// })
//
// post("/admin/plugins/console")(adminOnly {
// val script = request.getParameter("script")
// val result = plugin.JavaScriptPlugin.evaluateJavaScript(script)
// Ok(result)
// })
get("/admin/plugins/console")(adminOnly {
admin.plugins.html.console()
})
post("/admin/plugins/console")(adminOnly {
val script = request.getParameter("script")
val result = plugin.ScalaPlugin.eval(script)
Ok()
})
// TODO Move these methods to PluginSystem or Service?
private def deletePlugins(pluginIds: List[String]): Unit = {

View File

@@ -1,117 +0,0 @@
package plugin
import org.mozilla.javascript.{Context => JsContext}
import org.mozilla.javascript.{Function => JsFunction}
import scala.collection.mutable.ListBuffer
import plugin.PluginSystem._
import util.ControlUtil._
import plugin.PluginSystem.GlobalMenu
import plugin.PluginSystem.RepositoryAction
import plugin.PluginSystem.Action
import plugin.PluginSystem.RepositoryMenu
class JavaScriptPlugin(val id: String, val version: String,
val author: String, val url: String, val description: String) extends Plugin {
private val repositoryMenuList = ListBuffer[RepositoryMenu]()
private val globalMenuList = ListBuffer[GlobalMenu]()
private val repositoryActionList = ListBuffer[RepositoryAction]()
private val globalActionList = ListBuffer[Action]()
def repositoryMenus : List[RepositoryMenu] = repositoryMenuList.toList
def globalMenus : List[GlobalMenu] = globalMenuList.toList
def repositoryActions : List[RepositoryAction] = repositoryActionList.toList
def globalActions : List[Action] = globalActionList.toList
def addRepositoryMenu(label: String, name: String, url: String, icon: String, condition: JsFunction): Unit = {
repositoryMenuList += RepositoryMenu(label, name, url, icon, (context) => {
val context = JsContext.enter()
try {
condition.call(context, condition, condition, Array(context)).asInstanceOf[Boolean]
} finally {
JsContext.exit()
}
})
}
def addGlobalMenu(label: String, url: String, icon: String, condition: JsFunction): Unit = {
globalMenuList += GlobalMenu(label, url, icon, (context) => {
val context = JsContext.enter()
try {
condition.call(context, condition, condition, Array(context)).asInstanceOf[Boolean]
} finally {
JsContext.exit()
}
})
}
def addGlobalAction(path: String, function: JsFunction): Unit = {
globalActionList += Action(path, (request, response) => {
val context = JsContext.enter()
try {
function.call(context, function, function, Array(request, response))
} finally {
JsContext.exit()
}
})
}
def addRepositoryAction(path: String, function: JsFunction): Unit = {
repositoryActionList += RepositoryAction(path, (request, response, repository) => {
val context = JsContext.enter()
try {
function.call(context, function, function, Array(request, response, repository))
} finally {
JsContext.exit()
}
})
}
object db {
// TODO Use JavaScript Map instead of java.util.Map
def select(sql: String): Array[java.util.Map[String, String]] = {
defining(PluginConnectionHolder.threadLocal.get){ conn =>
using(conn.prepareStatement(sql)){ stmt =>
using(stmt.executeQuery()){ rs =>
val list = new java.util.ArrayList[java.util.Map[String, String]]()
while(rs.next){
defining(rs.getMetaData){ meta =>
val map = new java.util.HashMap[String, String]()
Range(1, meta.getColumnCount).map { i =>
val name = meta.getColumnName(i)
map.put(name, rs.getString(name))
}
list.add(map)
}
}
list.toArray(new Array[java.util.Map[String, String]](list.size))
}
}
}
}
}
}
object JavaScriptPlugin {
def define(id: String, version: String, author: String, url: String, description: String)
= new JavaScriptPlugin(id, version, author, url, description)
def evaluateJavaScript(script: String, vars: Map[String, Any] = Map.empty): Any = {
val context = JsContext.enter()
try {
val scope = context.initStandardObjects()
scope.put("PluginSystem", scope, PluginSystem)
scope.put("JavaScriptPlugin", scope, this)
vars.foreach { case (key, value) =>
scope.put(key, scope, value)
}
val result = context.evaluateString(scope, script, "<cmd>", 1, null)
result
} finally {
JsContext.exit
}
}
}

View File

@@ -10,6 +10,9 @@ import org.apache.commons.io.FileUtils
import util.JGitUtil
import org.eclipse.jgit.api.Git
import service.RepositoryService.RepositoryInfo
import scala.reflect.runtime.currentMirror
import scala.tools.reflect.ToolBox
/**
* Provides extension points to plug-ins.
@@ -54,25 +57,26 @@ object PluginSystem {
// TODO Method name seems to not so good.
def installPlugin(id: String): Unit = {
val pluginDir = new java.io.File(PluginHome)
val javaScriptFile = new java.io.File(pluginDir, id + "/plugin.js")
if(javaScriptFile.exists && javaScriptFile.isFile){
val scalaFile = new java.io.File(pluginDir, id + "/plugin.scala")
if(scalaFile.exists && scalaFile.isFile){
val properties = new java.util.Properties()
using(new java.io.FileInputStream(new java.io.File(pluginDir, id + "/plugin.properties"))){ in =>
properties.load(in)
}
val script = FileUtils.readFileToString(javaScriptFile, "UTF-8")
val source = s"""
|val id = "${properties.getProperty("id")}"
|val version = "${properties.getProperty("version")}"
|val author = "${properties.getProperty("author")}"
|val url = "${properties.getProperty("url")}"
|val description = "${properties.getProperty("description")}"
""".stripMargin + FileUtils.readFileToString(scalaFile, "UTF-8")
try {
JavaScriptPlugin.evaluateJavaScript(script, Map(
"id" -> properties.getProperty("id"),
"version" -> properties.getProperty("version"),
"author" -> properties.getProperty("author"),
"url" -> properties.getProperty("url"),
"description" -> properties.getProperty("description")
))
ScalaPlugin.eval(source)
} catch {
case e: Exception => logger.warn(s"Error in plugin loading for ${javaScriptFile.getAbsolutePath}", e)
case e: Exception => logger.warn(s"Error in plugin loading for ${scalaFile.getAbsolutePath}", e)
}
}
}
@@ -109,17 +113,6 @@ object PluginSystem {
}
}
// TODO This is a test
// addGlobalMenu("Google", "http://www.google.co.jp/", "data:image/png;base64,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")
// { context => context.loginAccount.isDefined }
//
// addRepositoryMenu("Board", "board", "/board", "data:image/png;base64,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")
// { context => true}
//
// addGlobalAction("/hello"){ (request, response) =>
// "Hello World!"
// }
}

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@@ -1,10 +1,15 @@
package plugin
import app.Context
import scala.collection.mutable.ListBuffer
import plugin.PluginSystem._
import javax.servlet.http.{HttpServletResponse, HttpServletRequest}
import plugin.PluginSystem.GlobalMenu
import plugin.PluginSystem.Action
import plugin.PluginSystem.RepositoryAction
import app.Context
import plugin.PluginSystem.RepositoryMenu
import service.RepositoryService.RepositoryInfo
import scala.reflect.runtime.currentMirror
import scala.tools.reflect.ToolBox
// TODO This is a sample implementation for Scala based plug-ins.
class ScalaPlugin(val id: String, val version: String,
@@ -37,3 +42,16 @@ class ScalaPlugin(val id: String, val version: String,
}
}
object ScalaPlugin {
def define(id: String, version: String, author: String, url: String, description: String)
= new ScalaPlugin(id, version, author, url, description)
def eval(source: String): Any = {
val toolbox = currentMirror.mkToolBox()
val tree = toolbox.parse(source)
toolbox.eval(tree)
}
}

View File

@@ -0,0 +1,29 @@
import util.ControlUtil._
import scala.collection.mutable.ListBuffer
package object plugin {
object db {
// TODO Use JavaScript Map instead of java.util.Map
def select(sql: String): Seq[Map[String, String]] = {
defining(PluginConnectionHolder.threadLocal.get){ conn =>
using(conn.prepareStatement(sql)){ stmt =>
using(stmt.executeQuery()){ rs =>
val list = new ListBuffer[Map[String, String]]()
while(rs.next){
defining(rs.getMetaData){ meta =>
val map = Range(1, meta.getColumnCount + 1).map { i =>
val name = meta.getColumnName(i)
(name, rs.getString(name))
}.toMap
list += map
}
}
list
}
}
}
}
}
}

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@@ -10,6 +10,7 @@ import util.{JGitUtil, Keys}
import plugin.PluginConnectionHolder
import service.RepositoryService.RepositoryInfo
import service.SystemSettingsService.SystemSettings
import org.json4s.jackson.Json
class PluginActionInvokeFilter extends Filter with SystemSettingsService with RepositoryService with AccountService {
@@ -36,12 +37,7 @@ class PluginActionInvokeFilter extends Filter with SystemSettingsService with Re
val systemSettings = loadSystemSettings()
result match {
case x: String => renderGlobalHtml(request, response, systemSettings, x)
case x: org.mozilla.javascript.NativeObject => {
x.get("format") match {
case "html" => renderGlobalHtml(request, response, systemSettings, x.get("body").toString)
case "json" => renderJson(request, response, x.get("body").toString)
}
}
case x: AnyRef => renderJson(request, response, x)
}
true
} getOrElse false
@@ -65,12 +61,7 @@ class PluginActionInvokeFilter extends Filter with SystemSettingsService with Re
}
result match {
case x: String => renderRepositoryHtml(request, response, systemSettings, repository, x)
case x: org.mozilla.javascript.NativeObject => {
x.get("format") match {
case "html" => renderRepositoryHtml(request, response, systemSettings, repository, x.get("body").toString)
case "json" => renderJson(request, response, x.get("body").toString)
}
}
case x: AnyRef => renderJson(request, response, x)
}
true
}
@@ -96,9 +87,16 @@ class PluginActionInvokeFilter extends Filter with SystemSettingsService with Re
IOUtils.write(html.toString.getBytes("UTF-8"), response.getOutputStream)
}
private def renderJson(request: HttpServletRequest, response: HttpServletResponse, body: String): Unit = {
private def renderJson(request: HttpServletRequest, response: HttpServletResponse, obj: AnyRef): Unit = {
import org.json4s._
import org.json4s.jackson.Serialization
import org.json4s.jackson.Serialization.write
implicit val formats = Serialization.formats(NoTypeHints)
val json = write(obj)
response.setContentType("application/json; charset=UTF-8")
IOUtils.write(body.getBytes("UTF-8"), response.getOutputStream)
IOUtils.write(json.getBytes("UTF-8"), response.getOutputStream)
}
}