1 files changed, 70 insertions, 0 deletions
diff --git a/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/servlets/PDFPositioningDataServlet.java b/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/servlets/PDFPositioningDataServlet.java
new file mode 100644
index 00000000..95307c9c
--- /dev/null
+++ b/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/servlets/PDFPositioningDataServlet.java
@@ -0,0 +1,70 @@
+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.common.exceptions.PdfAsException;
+import at.gv.egiz.pdfas.web.helper.PdfAsHelper;
+
+public class PDFPositioningDataServlet extends HttpServlet {
+
+	/**
+	 * 
+	 */
+	private static final long serialVersionUID = -8729046942909293640L;
+
+	public static final String PARAM_TOKEN = "token";
+
+	private static final Logger logger = LoggerFactory
+			.getLogger(PDFPositioningDataServlet.class);
+
+	/**
+	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse
+	 *      response)
+	 */
+	protected void doGet(HttpServletRequest request,
+			HttpServletResponse response) throws ServletException, IOException {
+		this.process(request, response);
+	}
+
+	protected void process(HttpServletRequest request,
+			HttpServletResponse response) throws ServletException, IOException {
+		try {
+			logger.debug("Access to pdf data");
+			String token = request.getParameter(PARAM_TOKEN);
+
+			if (token == null) {
+				logger.warn("No access token provided");
+				throw new PdfAsException("No access token provided");
+			}
+
+			logger.debug("Access to pdf data with token: {}", token);
+			
+			byte[] pdfData = PdfAsHelper.getPdfData(request);
+			
+			if(pdfData == null) {
+				logger.warn("No PDF Data available or token does not match");
+				throw new PdfAsException("No PDF Data available");
+			}
+			
+			response.setContentType("application/pdf");
+			OutputStream os = response.getOutputStream();
+			os.write(pdfData);
+			os.close();
+		} catch (Throwable e) {
+			PdfAsHelper.clearPdfData(request);
+			logger.error("Failed to access pdf data for positioning!");
+			PdfAsHelper.setSessionException(request, response, e.getMessage(),
+					e);
+			PdfAsHelper.gotoError(getServletContext(), request, response);
+		}
+	}
+}