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8263560: Remove needless wrapping with BufferedInputStream

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Reviewed-by: prr, alanb, dfuchs, serb
This commit is contained in:
Sergey Tsypanov 2021-03-30 06:47:54 +00:00 • committed by Aleksey Shipilev
parent 182b11c31a
commit 1a681fa743
2 changed files with 7 additions and 10 deletions
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10
src/java.base/share/classes/jdk/internal/jmod/JmodFile.java
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@ -25,7 +25,6 @@
package jdk.internal.jmod;
import java.io.BufferedInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
@ -52,11 +51,12 @@ public class JmodFile implements AutoCloseable {
};
public static void checkMagic(Path file) throws IOException {
try (InputStream in = Files.newInputStream(file);
BufferedInputStream bis = new BufferedInputStream(in)) {
try (InputStream in = Files.newInputStream(file)) {
// validate the header
byte[] magic = new byte[4];
bis.read(magic);
byte[] magic = in.readNBytes(4);
if (magic.length != 4) {
throw new IOException("Invalid JMOD file: " + file);
}
if (magic[0] != JMOD_MAGIC_NUMBER[0] ||
magic[1] != JMOD_MAGIC_NUMBER[1]) {
throw new IOException("Invalid JMOD file: " + file.toString());