From 3925638b7423cd08d1c7284c83d382fee9334f97 Mon Sep 17 00:00:00 2001
From: pauljervis <jervis@12os.co.uk>
Date: Wed, 30 May 2018 18:32:18 +0100
Subject: [PATCH] add sample download file and article code (#4370)

---
 .../baeldung/servlets/DownloadServlet.java    | 35 +++++++++++++++++++
 javax-servlets/src/main/webapp/sample.txt     |  1 +
 2 files changed, 36 insertions(+)
 create mode 100644 javax-servlets/src/main/java/com/baeldung/servlets/DownloadServlet.java
 create mode 100644 javax-servlets/src/main/webapp/sample.txt

diff --git a/javax-servlets/src/main/java/com/baeldung/servlets/DownloadServlet.java b/javax-servlets/src/main/java/com/baeldung/servlets/DownloadServlet.java
new file mode 100644
index 0000000000..9bbf8f4095
--- /dev/null
+++ b/javax-servlets/src/main/java/com/baeldung/servlets/DownloadServlet.java
@@ -0,0 +1,35 @@
+package com.baeldung.servlets;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+
+import javax.servlet.ServletException;
+import javax.servlet.annotation.WebServlet;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+@WebServlet("/download")
+public class DownloadServlet extends HttpServlet {
+    private final int ARBITARY_SIZE = 1048;
+
+    @Override
+    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
+        resp.setContentType("text/plain");
+        resp.setHeader("Content-disposition", "attachment; filename=sample.txt");
+        
+        OutputStream out = resp.getOutputStream();
+        InputStream in = req.getServletContext().getResourceAsStream("/WEB-INF/sample.txt");
+
+        byte[] buffer = new byte[ARBITARY_SIZE];
+        
+        int numBytesRead;
+        while ((numBytesRead = in.read(buffer)) > 0) {
+            out.write(buffer, 0, numBytesRead);
+        }
+        
+        in.close();
+        out.flush();
+    }
+}
diff --git a/javax-servlets/src/main/webapp/sample.txt b/javax-servlets/src/main/webapp/sample.txt
new file mode 100644
index 0000000000..bab4636a96
--- /dev/null
+++ b/javax-servlets/src/main/webapp/sample.txt
@@ -0,0 +1 @@
+nice simple text file
\ No newline at end of file