jimu-decompiled/sources/com/bumptech/glide/disklrucache/DiskLruCache.java
2025-05-13 19:24:51 +02:00

561 lines
18 KiB
Java

package com.bumptech.glide.disklrucache;
import java.io.BufferedWriter;
import java.io.Closeable;
import java.io.EOFException;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.concurrent.Callable;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
/* loaded from: classes.dex */
public final class DiskLruCache implements Closeable {
private final File a;
private final File b;
private final File c;
private final File d;
private final int e;
private long f;
private final int g;
private Writer i;
private int k;
private long h = 0;
private final LinkedHashMap<String, Entry> j = new LinkedHashMap<>(0, 0.75f, true);
private long l = 0;
final ThreadPoolExecutor m = new ThreadPoolExecutor(0, 1, 60, TimeUnit.SECONDS, new LinkedBlockingQueue(), new DiskLruCacheThreadFactory());
private final Callable<Void> n = new Callable<Void>() { // from class: com.bumptech.glide.disklrucache.DiskLruCache.1
@Override // java.util.concurrent.Callable
public Void call() throws Exception {
synchronized (DiskLruCache.this) {
if (DiskLruCache.this.i == null) {
return null;
}
DiskLruCache.this.g();
if (DiskLruCache.this.c()) {
DiskLruCache.this.f();
DiskLruCache.this.k = 0;
}
return null;
}
}
};
private static final class DiskLruCacheThreadFactory implements ThreadFactory {
private DiskLruCacheThreadFactory() {
}
@Override // java.util.concurrent.ThreadFactory
public synchronized Thread newThread(Runnable runnable) {
Thread thread;
thread = new Thread(runnable, "glide-disk-lru-cache-thread");
thread.setPriority(1);
return thread;
}
}
public final class Editor {
private final Entry a;
private final boolean[] b;
private boolean c;
public void c() throws IOException {
DiskLruCache.this.a(this, true);
this.c = true;
}
private Editor(Entry entry) {
this.a = entry;
this.b = entry.e ? null : new boolean[DiskLruCache.this.g];
}
public File a(int i) throws IOException {
File b;
synchronized (DiskLruCache.this) {
if (this.a.f != this) {
throw new IllegalStateException();
}
if (!this.a.e) {
this.b[i] = true;
}
b = this.a.b(i);
if (!DiskLruCache.this.a.exists()) {
DiskLruCache.this.a.mkdirs();
}
}
return b;
}
public void b() {
if (this.c) {
return;
}
try {
a();
} catch (IOException unused) {
}
}
public void a() throws IOException {
DiskLruCache.this.a(this, false);
}
}
private final class Entry {
private final String a;
private final long[] b;
File[] c;
File[] d;
private boolean e;
private Editor f;
private long g;
private Entry(String str) {
this.a = str;
this.b = new long[DiskLruCache.this.g];
this.c = new File[DiskLruCache.this.g];
this.d = new File[DiskLruCache.this.g];
StringBuilder sb = new StringBuilder(str);
sb.append('.');
int length = sb.length();
for (int i = 0; i < DiskLruCache.this.g; i++) {
sb.append(i);
this.c[i] = new File(DiskLruCache.this.a, sb.toString());
sb.append(".tmp");
this.d[i] = new File(DiskLruCache.this.a, sb.toString());
sb.setLength(length);
}
}
/* JADX INFO: Access modifiers changed from: private */
public void b(String[] strArr) throws IOException {
if (strArr.length != DiskLruCache.this.g) {
a(strArr);
throw null;
}
for (int i = 0; i < strArr.length; i++) {
try {
this.b[i] = Long.parseLong(strArr[i]);
} catch (NumberFormatException unused) {
a(strArr);
throw null;
}
}
}
public String a() throws IOException {
StringBuilder sb = new StringBuilder();
for (long j : this.b) {
sb.append(' ');
sb.append(j);
}
return sb.toString();
}
public File b(int i) {
return this.d[i];
}
private IOException a(String[] strArr) throws IOException {
throw new IOException("unexpected journal line: " + Arrays.toString(strArr));
}
public File a(int i) {
return this.c[i];
}
}
public final class Value {
private final File[] a;
public File a(int i) {
return this.a[i];
}
private Value(DiskLruCache diskLruCache, String str, long j, File[] fileArr, long[] jArr) {
this.a = fileArr;
}
}
private DiskLruCache(File file, int i, int i2, long j) {
this.a = file;
this.e = i;
this.b = new File(file, "journal");
this.c = new File(file, "journal.tmp");
this.d = new File(file, "journal.bkp");
this.g = i2;
this.f = j;
}
/* JADX INFO: Access modifiers changed from: private */
public void g() throws IOException {
while (this.h > this.f) {
c(this.j.entrySet().iterator().next().getKey());
}
}
@Override // java.io.Closeable, java.lang.AutoCloseable
public synchronized void close() throws IOException {
if (this.i == null) {
return;
}
Iterator it = new ArrayList(this.j.values()).iterator();
while (it.hasNext()) {
Entry entry = (Entry) it.next();
if (entry.f != null) {
entry.f.a();
}
}
g();
this.i.close();
this.i = null;
}
/* JADX INFO: Access modifiers changed from: private */
public boolean c() {
int i = this.k;
return i >= 2000 && i >= this.j.size();
}
private void d(String str) throws IOException {
String substring;
int indexOf = str.indexOf(32);
if (indexOf == -1) {
throw new IOException("unexpected journal line: " + str);
}
int i = indexOf + 1;
int indexOf2 = str.indexOf(32, i);
if (indexOf2 == -1) {
substring = str.substring(i);
if (indexOf == 6 && str.startsWith("REMOVE")) {
this.j.remove(substring);
return;
}
} else {
substring = str.substring(i, indexOf2);
}
Entry entry = this.j.get(substring);
if (entry == null) {
entry = new Entry(substring);
this.j.put(substring, entry);
}
if (indexOf2 != -1 && indexOf == 5 && str.startsWith("CLEAN")) {
String[] split = str.substring(indexOf2 + 1).split(" ");
entry.e = true;
entry.f = null;
entry.b(split);
return;
}
if (indexOf2 == -1 && indexOf == 5 && str.startsWith("DIRTY")) {
entry.f = new Editor(entry);
return;
}
if (indexOf2 == -1 && indexOf == 4 && str.startsWith("READ")) {
return;
}
throw new IOException("unexpected journal line: " + str);
}
private void e() throws IOException {
StrictLineReader strictLineReader = new StrictLineReader(new FileInputStream(this.b), Util.a);
try {
String b = strictLineReader.b();
String b2 = strictLineReader.b();
String b3 = strictLineReader.b();
String b4 = strictLineReader.b();
String b5 = strictLineReader.b();
if (!"libcore.io.DiskLruCache".equals(b) || !"1".equals(b2) || !Integer.toString(this.e).equals(b3) || !Integer.toString(this.g).equals(b4) || !"".equals(b5)) {
throw new IOException("unexpected journal header: [" + b + ", " + b2 + ", " + b4 + ", " + b5 + "]");
}
int i = 0;
while (true) {
try {
d(strictLineReader.b());
i++;
} catch (EOFException unused) {
this.k = i - this.j.size();
if (strictLineReader.a()) {
f();
} else {
this.i = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(this.b, true), Util.a));
}
Util.a(strictLineReader);
return;
}
}
} catch (Throwable th) {
Util.a(strictLineReader);
throw th;
}
}
/* JADX INFO: Access modifiers changed from: private */
public synchronized void f() throws IOException {
if (this.i != null) {
this.i.close();
}
BufferedWriter bufferedWriter = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(this.c), Util.a));
try {
bufferedWriter.write("libcore.io.DiskLruCache");
bufferedWriter.write("\n");
bufferedWriter.write("1");
bufferedWriter.write("\n");
bufferedWriter.write(Integer.toString(this.e));
bufferedWriter.write("\n");
bufferedWriter.write(Integer.toString(this.g));
bufferedWriter.write("\n");
bufferedWriter.write("\n");
for (Entry entry : this.j.values()) {
if (entry.f != null) {
bufferedWriter.write("DIRTY " + entry.a + '\n');
} else {
bufferedWriter.write("CLEAN " + entry.a + entry.a() + '\n');
}
}
bufferedWriter.close();
if (this.b.exists()) {
a(this.b, this.d, true);
}
a(this.c, this.b, false);
this.d.delete();
this.i = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(this.b, true), Util.a));
} catch (Throwable th) {
bufferedWriter.close();
throw th;
}
}
public synchronized Value b(String str) throws IOException {
b();
Entry entry = this.j.get(str);
if (entry == null) {
return null;
}
if (!entry.e) {
return null;
}
for (File file : entry.c) {
if (!file.exists()) {
return null;
}
}
this.k++;
this.i.append((CharSequence) "READ");
this.i.append(' ');
this.i.append((CharSequence) str);
this.i.append('\n');
if (c()) {
this.m.submit(this.n);
}
return new Value(str, entry.g, entry.c, entry.b);
}
public static DiskLruCache a(File file, int i, int i2, long j) throws IOException {
if (j <= 0) {
throw new IllegalArgumentException("maxSize <= 0");
}
if (i2 > 0) {
File file2 = new File(file, "journal.bkp");
if (file2.exists()) {
File file3 = new File(file, "journal");
if (file3.exists()) {
file2.delete();
} else {
a(file2, file3, false);
}
}
DiskLruCache diskLruCache = new DiskLruCache(file, i, i2, j);
if (diskLruCache.b.exists()) {
try {
diskLruCache.e();
diskLruCache.d();
return diskLruCache;
} catch (IOException e) {
System.out.println("DiskLruCache " + file + " is corrupt: " + e.getMessage() + ", removing");
diskLruCache.a();
}
}
file.mkdirs();
DiskLruCache diskLruCache2 = new DiskLruCache(file, i, i2, j);
diskLruCache2.f();
return diskLruCache2;
}
throw new IllegalArgumentException("valueCount <= 0");
}
public synchronized boolean c(String str) throws IOException {
b();
Entry entry = this.j.get(str);
if (entry != null && entry.f == null) {
for (int i = 0; i < this.g; i++) {
File a = entry.a(i);
if (a.exists() && !a.delete()) {
throw new IOException("failed to delete " + a);
}
this.h -= entry.b[i];
entry.b[i] = 0;
}
this.k++;
this.i.append((CharSequence) "REMOVE");
this.i.append(' ');
this.i.append((CharSequence) str);
this.i.append('\n');
this.j.remove(str);
if (c()) {
this.m.submit(this.n);
}
return true;
}
return false;
}
private void b() {
if (this.i == null) {
throw new IllegalStateException("cache is closed");
}
}
private void d() throws IOException {
a(this.c);
Iterator<Entry> it = this.j.values().iterator();
while (it.hasNext()) {
Entry next = it.next();
int i = 0;
if (next.f != null) {
next.f = null;
while (i < this.g) {
a(next.a(i));
a(next.b(i));
i++;
}
it.remove();
} else {
while (i < this.g) {
this.h += next.b[i];
i++;
}
}
}
}
private static void a(File file) throws IOException {
if (file.exists() && !file.delete()) {
throw new IOException();
}
}
private static void a(File file, File file2, boolean z) throws IOException {
if (z) {
a(file2);
}
if (!file.renameTo(file2)) {
throw new IOException();
}
}
public Editor a(String str) throws IOException {
return a(str, -1L);
}
private synchronized Editor a(String str, long j) throws IOException {
b();
Entry entry = this.j.get(str);
if (j != -1 && (entry == null || entry.g != j)) {
return null;
}
if (entry != null) {
if (entry.f != null) {
return null;
}
} else {
entry = new Entry(str);
this.j.put(str, entry);
}
Editor editor = new Editor(entry);
entry.f = editor;
this.i.append((CharSequence) "DIRTY");
this.i.append(' ');
this.i.append((CharSequence) str);
this.i.append('\n');
this.i.flush();
return editor;
}
/* JADX INFO: Access modifiers changed from: private */
public synchronized void a(Editor editor, boolean z) throws IOException {
Entry entry = editor.a;
if (entry.f == editor) {
if (z && !entry.e) {
for (int i = 0; i < this.g; i++) {
if (editor.b[i]) {
if (!entry.b(i).exists()) {
editor.a();
return;
}
} else {
editor.a();
throw new IllegalStateException("Newly created entry didn't create value for index " + i);
}
}
}
for (int i2 = 0; i2 < this.g; i2++) {
File b = entry.b(i2);
if (z) {
if (b.exists()) {
File a = entry.a(i2);
b.renameTo(a);
long j = entry.b[i2];
long length = a.length();
entry.b[i2] = length;
this.h = (this.h - j) + length;
}
} else {
a(b);
}
}
this.k++;
entry.f = null;
if (!(entry.e | z)) {
this.j.remove(entry.a);
this.i.append((CharSequence) "REMOVE");
this.i.append(' ');
this.i.append((CharSequence) entry.a);
this.i.append('\n');
} else {
entry.e = true;
this.i.append((CharSequence) "CLEAN");
this.i.append(' ');
this.i.append((CharSequence) entry.a);
this.i.append((CharSequence) entry.a());
this.i.append('\n');
if (z) {
long j2 = this.l;
this.l = 1 + j2;
entry.g = j2;
}
}
this.i.flush();
if (this.h > this.f || c()) {
this.m.submit(this.n);
}
return;
}
throw new IllegalStateException();
}
public void a() throws IOException {
close();
Util.a(this.a);
}
}