33 lines
1.0 KiB
Java
33 lines
1.0 KiB
Java
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package com.baeldung.servlets;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import javax.servlet.annotation.WebServlet;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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@WebServlet("/download")
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public class DownloadServlet extends HttpServlet {
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private final int ARBITARY_SIZE = 1048;
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@Override
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protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {
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resp.setContentType("text/plain");
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resp.setHeader("Content-disposition", "attachment; filename=sample.txt");
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try (InputStream in = req.getServletContext().getResourceAsStream("/WEB-INF/sample.txt");
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OutputStream out = resp.getOutputStream()) {
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byte[] buffer = new byte[ARBITARY_SIZE];
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int numBytesRead;
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while ((numBytesRead = in.read(buffer)) > 0) {
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out.write(buffer, 0, numBytesRead);
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}
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}
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}
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}
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