8193507: [REDO] Startup regression due to JDK-8185582
Co-authored-by: Xueming Shen <xueming.shen@oracle.com> Reviewed-by: alanb, rriggs
This commit is contained in:
parent
8374bf4e3c
commit
a9a271179d
@ -25,6 +25,9 @@
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package java.util.zip;
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package java.util.zip;
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import java.lang.ref.Cleaner.Cleanable;
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import jdk.internal.ref.CleanerFactory;
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/**
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/**
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* This class provides support for general purpose compression using the
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* This class provides support for general purpose compression using the
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* popular ZLIB compression library. The ZLIB compression library was
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* popular ZLIB compression library. The ZLIB compression library was
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@ -88,7 +91,7 @@ package java.util.zip;
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public class Deflater {
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public class Deflater {
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private final ZStreamRef zsRef;
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private final DeflaterZStreamRef zsRef;
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private byte[] buf = new byte[0];
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private byte[] buf = new byte[0];
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private int off, len;
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private int off, len;
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private int level, strategy;
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private int level, strategy;
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@ -183,9 +186,8 @@ public class Deflater {
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public Deflater(int level, boolean nowrap) {
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public Deflater(int level, boolean nowrap) {
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this.level = level;
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this.level = level;
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this.strategy = DEFAULT_STRATEGY;
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this.strategy = DEFAULT_STRATEGY;
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this.zsRef = ZStreamRef.get(this,
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this.zsRef = DeflaterZStreamRef.get(this,
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() -> init(level, DEFAULT_STRATEGY, nowrap),
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init(level, DEFAULT_STRATEGY, nowrap));
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Deflater::end);
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}
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}
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/**
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/**
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@ -591,4 +593,75 @@ public class Deflater {
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private static native int getAdler(long addr);
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private static native int getAdler(long addr);
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private static native void reset(long addr);
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private static native void reset(long addr);
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private static native void end(long addr);
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private static native void end(long addr);
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/**
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* A reference to the native zlib's z_stream structure. It also
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* serves as the "cleaner" to clean up the native resource when
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* the Deflater is ended, closed or cleaned.
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*/
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static class DeflaterZStreamRef implements Runnable {
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private long address;
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private final Cleanable cleanable;
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private DeflaterZStreamRef(Deflater owner, long addr) {
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this.cleanable = (owner != null) ? CleanerFactory.cleaner().register(owner, this) : null;
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this.address = addr;
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}
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long address() {
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return address;
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}
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void clean() {
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cleanable.clean();
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}
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public synchronized void run() {
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long addr = address;
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address = 0;
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if (addr != 0) {
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end(addr);
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}
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}
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/*
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* If {@code Deflater} has been subclassed and the {@code end} method is
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* overridden, uses {@code finalizer} mechanism for resource cleanup. So
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* {@code end} method can be called when the {@code Deflater} is unreachable.
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* This mechanism will be removed when the {@code finalize} method is
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* removed from {@code Deflater}.
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*/
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static DeflaterZStreamRef get(Deflater owner, long addr) {
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Class<?> clz = owner.getClass();
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while (clz != Deflater.class) {
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try {
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clz.getDeclaredMethod("end");
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return new FinalizableZStreamRef(owner, addr);
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} catch (NoSuchMethodException nsme) {}
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clz = clz.getSuperclass();
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}
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return new DeflaterZStreamRef(owner, addr);
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}
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private static class FinalizableZStreamRef extends DeflaterZStreamRef {
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final Deflater owner;
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FinalizableZStreamRef (Deflater owner, long addr) {
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super(null, addr);
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this.owner = owner;
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}
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@Override
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void clean() {
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run();
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}
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@Override
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@SuppressWarnings("deprecation")
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protected void finalize() {
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owner.end();
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}
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}
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}
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}
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}
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@ -25,6 +25,9 @@
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package java.util.zip;
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package java.util.zip;
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import java.lang.ref.Cleaner.Cleanable;
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import jdk.internal.ref.CleanerFactory;
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/**
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/**
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* This class provides support for general purpose decompression using the
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* This class provides support for general purpose decompression using the
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* popular ZLIB compression library. The ZLIB compression library was
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* popular ZLIB compression library. The ZLIB compression library was
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@ -88,7 +91,7 @@ package java.util.zip;
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public class Inflater {
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public class Inflater {
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private final ZStreamRef zsRef;
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private final InflaterZStreamRef zsRef;
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private byte[] buf = defaultBuf;
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private byte[] buf = defaultBuf;
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private int off, len;
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private int off, len;
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private boolean finished;
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private boolean finished;
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@ -115,7 +118,7 @@ public class Inflater {
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* @param nowrap if true then support GZIP compatible compression
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* @param nowrap if true then support GZIP compatible compression
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*/
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*/
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public Inflater(boolean nowrap) {
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public Inflater(boolean nowrap) {
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this.zsRef = ZStreamRef.get(this, () -> init(nowrap), Inflater::end);
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this.zsRef = InflaterZStreamRef.get(this, init(nowrap));
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}
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}
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/**
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/**
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@ -428,4 +431,75 @@ public class Inflater {
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private static native int getAdler(long addr);
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private static native int getAdler(long addr);
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private static native void reset(long addr);
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private static native void reset(long addr);
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private static native void end(long addr);
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private static native void end(long addr);
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/**
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* A reference to the native zlib's z_stream structure. It also
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* serves as the "cleaner" to clean up the native resource when
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* the Inflater is ended, closed or cleaned.
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*/
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static class InflaterZStreamRef implements Runnable {
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private long address;
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private final Cleanable cleanable;
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private InflaterZStreamRef(Inflater owner, long addr) {
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this.cleanable = (owner != null) ? CleanerFactory.cleaner().register(owner, this) : null;
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this.address = addr;
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}
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long address() {
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return address;
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}
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void clean() {
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cleanable.clean();
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}
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public synchronized void run() {
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long addr = address;
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address = 0;
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if (addr != 0) {
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end(addr);
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}
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}
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/*
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* If {@code Inflater} has been subclassed and the {@code end} method is
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* overridden, uses {@code finalizer} mechanism for resource cleanup. So
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* {@code end} method can be called when the {@code Inflater} is unreachable.
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* This mechanism will be removed when the {@code finalize} method is
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* removed from {@code Inflater}.
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*/
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static InflaterZStreamRef get(Inflater owner, long addr) {
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Class<?> clz = owner.getClass();
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while (clz != Inflater.class) {
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try {
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clz.getDeclaredMethod("end");
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return new FinalizableZStreamRef(owner, addr);
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} catch (NoSuchMethodException nsme) {}
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clz = clz.getSuperclass();
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}
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return new InflaterZStreamRef(owner, addr);
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}
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private static class FinalizableZStreamRef extends InflaterZStreamRef {
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final Inflater owner;
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FinalizableZStreamRef(Inflater owner, long addr) {
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super(null, addr);
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this.owner = owner;
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}
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@Override
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void clean() {
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run();
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}
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@Override
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@SuppressWarnings("deprecation")
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protected void finalize() {
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owner.end();
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}
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}
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}
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}
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}
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@ -1,113 +0,0 @@
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/*
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* Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package java.util.zip;
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import java.util.function.LongConsumer;
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import java.util.function.LongSupplier;
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import java.lang.ref.Cleaner.Cleanable;
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import jdk.internal.ref.CleanerFactory;
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/**
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* A reference to the native zlib's z_stream structure. It also
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* serves as the "cleaner" to clean up the native resource when
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* the deflater or infalter is ended, closed or cleaned.
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*/
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class ZStreamRef implements Runnable {
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private LongConsumer end;
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private long address;
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private final Cleanable cleanable;
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private ZStreamRef (Object owner, LongSupplier addr, LongConsumer end) {
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this.cleanable = CleanerFactory.cleaner().register(owner, this);
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this.end = end;
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this.address = addr.getAsLong();
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}
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long address() {
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return address;
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}
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void clean() {
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cleanable.clean();
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}
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public synchronized void run() {
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long addr = address;
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address = 0;
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if (addr != 0) {
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end.accept(addr);
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}
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}
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private ZStreamRef (LongSupplier addr, LongConsumer end) {
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this.cleanable = null;
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this.end = end;
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this.address = addr.getAsLong();
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}
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/*
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* If {@code Inflater/Deflater} has been subclassed and the {@code end} method
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* is overridden, uses {@code finalizer} mechanism for resource cleanup. So
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* {@code end} method can be called when the {@code Inflater/Deflater} is
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* unreachable. This mechanism will be removed when the {@code finalize} method
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* is removed from {@code Inflater/Deflater}.
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*/
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static ZStreamRef get(Object owner, LongSupplier addr, LongConsumer end) {
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Class<?> clz = owner.getClass();
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while (clz != Deflater.class && clz != Inflater.class) {
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try {
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clz.getDeclaredMethod("end");
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return new FinalizableZStreamRef(owner, addr, end);
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} catch (NoSuchMethodException nsme) {}
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clz = clz.getSuperclass();
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}
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return new ZStreamRef(owner, addr, end);
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}
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private static class FinalizableZStreamRef extends ZStreamRef {
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final Object owner;
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FinalizableZStreamRef (Object owner, LongSupplier addr, LongConsumer end) {
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super(addr, end);
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this.owner = owner;
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}
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@Override
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void clean() {
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run();
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}
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@Override
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@SuppressWarnings("deprecation")
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protected void finalize() {
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if (owner instanceof Inflater)
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((Inflater)owner).end();
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else
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((Deflater)owner).end();
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}
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}
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}
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@ -412,6 +412,21 @@ class ZipFile implements ZipConstants, Closeable {
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}
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}
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}
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}
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private static class InflaterCleanupAction implements Runnable {
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private final Inflater inf;
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private final CleanableResource res;
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InflaterCleanupAction(Inflater inf, CleanableResource res) {
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this.inf = inf;
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this.res = res;
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}
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@Override
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public void run() {
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res.releaseInflater(inf);
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}
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}
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private class ZipFileInflaterInputStream extends InflaterInputStream {
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private class ZipFileInflaterInputStream extends InflaterInputStream {
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private volatile boolean closeRequested;
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private volatile boolean closeRequested;
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private boolean eof = false;
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private boolean eof = false;
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@ -427,8 +442,8 @@ class ZipFile implements ZipConstants, Closeable {
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Inflater inf, int size) {
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Inflater inf, int size) {
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super(zfin, inf, size);
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super(zfin, inf, size);
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this.cleanable = CleanerFactory.cleaner().register(this,
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this.cleanable = CleanerFactory.cleaner().register(this,
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() -> res.releaseInflater(inf));
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new InflaterCleanupAction(inf, res));
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}
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}
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public void close() throws IOException {
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public void close() throws IOException {
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if (closeRequested)
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if (closeRequested)
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