1 files changed, 101 insertions, 0 deletions
diff --git a/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/servlets/ErrorPage.java b/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/servlets/ErrorPage.java
new file mode 100644
index 00000000..fceeed85
--- /dev/null
+++ b/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/servlets/ErrorPage.java
@@ -0,0 +1,101 @@
+package at.gv.egiz.pdfas.web.servlets;
+
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.net.URLEncoder;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.swing.text.html.HTML;
+
+import org.apache.commons.lang3.StringEscapeUtils;
+
+import at.gv.egiz.pdfas.web.helper.HTMLFormater;
+import at.gv.egiz.pdfas.web.helper.PdfAsHelper;
+
+/**
+ * Servlet implementation class ErrorPage
+ */
+public class ErrorPage extends HttpServlet {
+	private static final long serialVersionUID = 1L;
+
+	/**
+	 * @see HttpServlet#HttpServlet()
+	 */
+	public ErrorPage() {
+		super();
+		// TODO Auto-generated constructor stub
+	}
+
+	/**
+	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse
+	 *      response)
+	 */
+	protected void doGet(HttpServletRequest request,
+			HttpServletResponse response) throws ServletException, IOException {
+		process(request, response);
+	}
+
+	/**
+	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse
+	 *      response)
+	 */
+	protected void doPost(HttpServletRequest request,
+			HttpServletResponse response) throws ServletException, IOException {
+		process(request, response);
+	}
+
+	protected void process(HttpServletRequest request,
+			HttpServletResponse response) throws ServletException, IOException {
+		if (PdfAsHelper.getFromDataUrl(request)) {
+			// redirect to here!
+			response.sendRedirect(PdfAsHelper.generateErrorURL(request,
+					response));
+			return;
+		} else {
+			String errorURL = PdfAsHelper.getErrorURL(request, response);
+			Throwable e = PdfAsHelper
+					.getSessionException(request, response);
+			String message = PdfAsHelper.getSessionErrMessage(request,
+					response);
+			if (errorURL != null) {
+				String template = PdfAsHelper.getErrorRedirectTemplateSL();
+				template = template.replace("##ERROR_URL##",
+						errorURL);
+				if (e != null) {
+					template = template.replace("##CAUSE##",
+							URLEncoder.encode(e.getMessage(), "UTF-8"));
+				} else {
+					template = template.replace("##CAUSE##",
+							"");
+				}
+				if (message != null) {
+					template = template.replace("##ERROR##", URLEncoder.encode(message, "UTF-8"));
+				} else {
+					template = template.replace("##ERROR##", "Unbekannter Fehler");
+				}
+				response.setContentType("text/html");
+				response.getWriter().write(template);
+				response.getWriter().close();
+			} else {
+				response.setContentType("text/html");
+				PrintWriter pw = response.getWriter();
+		
+				pw.write("<html><body>Error Page:");
+				if (message != null) {
+					pw.write("<p>" + message + "</p>");
+				}
+
+				if (e != null) {
+					pw.write("<p>"
+							+ HTMLFormater.formatStackTrace(e.getStackTrace())
+							+ "</p>");
+				}
+				pw.write("</body></html>");
+				pw.close();
+			}
+		}
+	}
+}