From 828ffa35841a585ddeeac9d934e3a4951e1702c0 Mon Sep 17 00:00:00 2001
From: ulrich
Date: Mon, 28 Dec 2020 09:53:39 +0000
Subject: [PATCH] Von DefaultServlet auf HttpServlet umgestellt

---
 src/de/uhilger/wbx/web/AdocServlet.java |   25 ++++++++++++++++---------
 1 files changed, 16 insertions(+), 9 deletions(-)

diff --git a/src/de/uhilger/wbx/web/AdocServlet.java b/src/de/uhilger/wbx/web/AdocServlet.java
index f89b21f..a80ba5c 100644
--- a/src/de/uhilger/wbx/web/AdocServlet.java
+++ b/src/de/uhilger/wbx/web/AdocServlet.java
@@ -22,6 +22,7 @@
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.IOException;
+import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.io.PrintWriter;
 import java.util.HashMap;
@@ -30,11 +31,13 @@
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 import java.util.Map;
+import javax.servlet.ServletOutputStream;
 
 import static org.asciidoctor.Asciidoctor.Factory.create;
 import org.asciidoctor.Asciidoctor;
 import static org.asciidoctor.AttributesBuilder.attributes;
 import static org.asciidoctor.OptionsBuilder.options;
+import org.asciidoctor.SafeMode;
 
 
 
@@ -89,6 +92,7 @@
       wenn die Quelle sich geandert hat oder 
       die PDF-Datei noch nicht existiert
     */
+    
     String pdf = request.getParameter(PDF);
     if(null != pdf && pdf.equalsIgnoreCase(Boolean.TRUE.toString())) {
       File pdffile = new File(adocfile.getParentFile(), fname + DOT + PDF);
@@ -97,16 +101,17 @@
         response.setContentType("application/pdf");
         transform(absname, PDF);
       }
-    }
-      
-    try (PrintWriter out = response.getWriter()) {
-      // abhaengig vom Parameter pdf HTML- oder PDF-Datei ausgeben
-      FileInputStream in = new FileInputStream(outfile);
-      BufferedReader reader = new BufferedReader(new InputStreamReader(in, "UTF-8"));
-      String line;
-      while ((line = reader.readLine()) != null) {
-        out.println(line);
+      ServletOutputStream os = response.getOutputStream();
+      InputStream bytes = new FileInputStream(outfile);
+      int b = bytes.read();
+      while(b > -1 ) {
+        os.write(b);
+        b = bytes.read();
       }
+    } else {
+      PrintWriter out = response.getWriter();
+      InputStreamReader in = new InputStreamReader(new FileInputStream(outfile), "UTF-8");
+      in.transferTo(out);
     }
   }
   
@@ -146,10 +151,12 @@
     Map<String, Object> options;
     if(null != backend) {
       options = options().inPlace(false)
+              .safe(SafeMode.SERVER)
               .backend(backend).attributes(attributes).asMap();
       
     } else {
       options = options().inPlace(false)
+              .safe(SafeMode.SERVER)
               .attributes(attributes).asMap();
     }
     

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