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Update download servlet to try-with-resources block. (#4453)

This commit is contained in:
pauljervis 2018-07-04 08:43:48 +01:00 committed by Eugen
parent 3b3008b6d5
commit 684324fc10
1 changed files with 10 additions and 13 deletions
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11
javax-servlets/src/main/java/com/baeldung/servlets/DownloadServlet.java
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@ -4,7 +4,6 @@ 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;
@ -15,12 +14,12 @@ public class DownloadServlet extends HttpServlet {
private final int ARBITARY_SIZE = 1048;
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws 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");
try (InputStream in = req.getServletContext().getResourceAsStream("/WEB-INF/sample.txt");
OutputStream out = resp.getOutputStream()) {
byte[] buffer = new byte[ARBITARY_SIZE];
@ -28,8 +27,6 @@ public class DownloadServlet extends HttpServlet {
while ((numBytesRead = in.read(buffer)) > 0) {
out.write(buffer, 0, numBytesRead);
}
in.close();
out.flush();
}
}
}