(refs #32)Example of custom action extension

src/main/scala/servlet/PluginActionInvokeFilter.scala

@@ -0,0 +1,40 @@
+package servlet
+
+import javax.servlet._
+import javax.servlet.http.{HttpServletResponse, HttpServletRequest}
+import org.apache.commons.io.IOUtils
+
+class PluginActionInvokeFilter extends Filter {
+
+  def init(config: FilterConfig) = {}
+
+  def destroy(): Unit = {}
+
+  def doFilter(req: ServletRequest, res: ServletResponse, chain: FilterChain): Unit = {
+    (req, res) match {
+      case (request: HttpServletRequest, response: HttpServletResponse) => {
+        val path = req.asInstanceOf[HttpServletRequest].getRequestURI
+        //println(req.asInstanceOf[HttpServletRequest].getContextPath)
+        //println(req.asInstanceOf[HttpServletRequest].getRequestURL)
+
+        val action = plugin.PluginSystem.actions.find(_.path == path)
+        if(action.isDefined){
+          val result = action.get.function(request, response)
+          result match {
+            case x: String => {
+              response.setContentType("text/plain; charset=UTF-8")
+              IOUtils.write(x.getBytes("UTF-8"), response.getOutputStream)
+            }
+            case x => {
+              // TODO returns as JSON?
+            }
+          }
+        } else {
+          chain.doFilter(req, res)
+        }
+      }
+    }
+  }
+
+
+}