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8200124: Various cleanups in jar/zip

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Reviewed-by: sherman, ulfzibis
This commit is contained in:
Martin Buchholz 2018-03-28 21:14:03 -07:00
parent 6f37b4cbce
commit 08adfe31b3
4 changed files with 8 additions and 11 deletions
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13
src/java.base/share/classes/java/util/zip/ZipFile.java
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@ -64,6 +64,7 @@ import jdk.internal.misc.SharedSecrets;
import jdk.internal.misc.VM;
import jdk.internal.perf.PerfCounter;
import jdk.internal.ref.CleanerFactory;
import jdk.internal.vm.annotation.Stable;
import static java.util.zip.ZipConstants64.*;
import static java.util.zip.ZipUtils.*;
@ -98,14 +99,14 @@ class ZipFile implements ZipConstants, Closeable {
private final String name; // zip file name
private volatile boolean closeRequested;
private ZipCoder zc;
private final @Stable ZipCoder zc;
// The "resource" used by this zip file that needs to be
// cleaned after use.
// a) the input streams that need to be closed
// b) the list of cached Inflater objects
// c) the "native" source of this zip file.
private final CleanableResource res;
private final @Stable CleanableResource res;
private static final int STORED = ZipEntry.STORED;
private static final int DEFLATED = ZipEntry.DEFLATED;
@ -369,7 +370,7 @@ class ZipFile implements ZipConstants, Closeable {
public InputStream getInputStream(ZipEntry entry) throws IOException {
Objects.requireNonNull(entry, "entry");
int pos = -1;
ZipFileInputStream in = null;
ZipFileInputStream in;
Source zsrc = res.zsrc;
Set<InputStream> istreams = res.istreams;
synchronized (this) {
@ -604,9 +605,7 @@ class ZipFile implements ZipConstants, Closeable {
private String getEntryName(int pos) {
byte[] cen = res.zsrc.cen;
int nlen = CENNAM(cen, pos);
int clen = CENCOM(cen, pos);
int flag = CENFLG(cen, pos);
if (!zc.isUTF8() && (flag & EFS) != 0) {
if (!zc.isUTF8() && (CENFLG(cen, pos) & EFS) != 0) {
return zc.toStringUTF8(cen, pos + CENHDR, nlen);
} else {
return zc.toString(cen, pos + CENHDR, nlen);
@ -1218,7 +1217,7 @@ class ZipFile implements ZipConstants, Closeable {
static Source get(File file, boolean toDelete) throws IOException {
Key key = new Key(file,
Files.readAttributes(file.toPath(), BasicFileAttributes.class));
Source src = null;
Source src;
synchronized (files) {
src = files.get(key);
if (src != null) {