From 9341b0be0b348797a7fa3e29a9cb047e76e1d81c Mon Sep 17 00:00:00 2001
From: Andreas Fitzek <andreas.fitzek@iaik.tugraz.at>
Date: Tue, 15 Jul 2014 18:51:47 +0200
Subject: Implemented Reload Service to reload configuration with restart
---
.../gv/egiz/pdfas/web/servlets/ReloadServlet.java | 90 ++++++++++++++++++++++
1 file changed, 90 insertions(+)
create mode 100644 pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/servlets/ReloadServlet.java
(limited to 'pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/servlets')
diff --git a/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/servlets/ReloadServlet.java b/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/servlets/ReloadServlet.java
new file mode 100644
index 00000000..84e86634
--- /dev/null
+++ b/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/servlets/ReloadServlet.java
@@ -0,0 +1,90 @@
+package at.gv.egiz.pdfas.web.servlets;
+
+import java.io.IOException;
+import java.io.OutputStream;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import at.gv.egiz.pdfas.web.config.WebConfiguration;
+import at.gv.egiz.pdfas.web.helper.PdfAsHelper;
+
+public class ReloadServlet extends HttpServlet {
+
+ /**
+ *
+ */
+ private static final long serialVersionUID = 6108555300743896727L;
+
+ private static final Logger logger = LoggerFactory
+ .getLogger(ReloadServlet.class);
+
+ public static final String PDF_AS_WEB_CONF = "pdf-as-web.conf";
+ public static final String PARAM_PASSWD = "PASSWD";
+
+ /**
+ * @see HttpServlet#HttpServlet()
+ */
+ public ReloadServlet() {
+ super();
+ }
+
+ /**
+ * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse
+ * response)
+ */
+ protected void doGet(HttpServletRequest request,
+ HttpServletResponse response) throws ServletException, IOException {
+
+ if(!WebConfiguration.getReloadEnabled()) {
+ logger.info("Reload Servlet disabled. " + request.getRemoteAddr() + " tried to call it");
+ response.setStatus(HttpServletResponse.SC_FORBIDDEN);
+ response.setContentLength(0);
+ return;
+ }
+
+ logger.info("Called Reload Servlet from: " + request.getRemoteAddr());
+
+ logger.info("Checking Password!");
+
+ String pwd = request.getParameter(PARAM_PASSWD);
+
+ if(pwd == null) {
+ response.setStatus(HttpServletResponse.SC_FORBIDDEN);
+ response.setContentLength(0);
+ return;
+ }
+
+ if(!pwd.equals(WebConfiguration.getReloadPassword())) {
+ response.setStatus(HttpServletResponse.SC_FORBIDDEN);
+ response.setContentLength(0);
+ return;
+ }
+
+ String webconfig = System.getProperty(PDF_AS_WEB_CONF);
+
+ if(webconfig == null) {
+ logger.error("No web configuration provided! Please specify: " + PDF_AS_WEB_CONF);
+ throw new RuntimeException("No web configuration provided! Please specify: " + PDF_AS_WEB_CONF);
+ }
+
+ WebConfiguration.configure(webconfig);
+ PdfAsHelper.reloadConfig();
+
+ logger.info("Reloaded!");
+
+ StringBuilder sb = new StringBuilder();
+
+ sb.append("<html><head></head><body>OK</body></html>");
+
+ response.setContentType("text/html");
+ OutputStream os = response.getOutputStream();
+ os.write(sb.toString().getBytes());
+ os.close();
+ }
+}
--
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