what-the-bank/sources/io/grpc/NameResolverRegistry.java

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2024-07-27 18:17:47 +07:00
package io.grpc;
import com.google.common.base.Preconditions;
import com.google.common.collect.ImmutableMap;
import io.grpc.NameResolver;
import io.grpc.ServiceProviders;
import java.net.URI;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.bouncycastle.asn1.cmp.PKIFailureInfo;
/* loaded from: classes6.dex */
public final class NameResolverRegistry {
private static final String UNKNOWN_SCHEME = "unknown";
private static NameResolverRegistry instance;
private static final Logger logger = Logger.getLogger(NameResolverRegistry.class.getName());
private final NameResolver.Factory factory = new NameResolverFactory();
private String defaultScheme = "unknown";
private final LinkedHashSet<NameResolverProvider> allProviders = new LinkedHashSet<>();
private ImmutableMap<String, NameResolverProvider> effectiveProviders = ImmutableMap.of();
public final void register(NameResolverProvider nameResolverProvider) {
synchronized (this) {
addProvider(nameResolverProvider);
refreshProviders();
}
}
private void addProvider(NameResolverProvider nameResolverProvider) {
synchronized (this) {
Preconditions.checkArgument(nameResolverProvider.isAvailable(), "isAvailable() returned false");
this.allProviders.add(nameResolverProvider);
}
}
public final void deregister(NameResolverProvider nameResolverProvider) {
synchronized (this) {
this.allProviders.remove(nameResolverProvider);
refreshProviders();
}
}
private void refreshProviders() {
synchronized (this) {
HashMap hashMap = new HashMap();
String str = "unknown";
Iterator<NameResolverProvider> it = this.allProviders.iterator();
int i = PKIFailureInfo.systemUnavail;
while (it.hasNext()) {
NameResolverProvider next = it.next();
String scheme = next.getScheme();
NameResolverProvider nameResolverProvider = (NameResolverProvider) hashMap.get(scheme);
if (nameResolverProvider == null || nameResolverProvider.priority() < next.priority()) {
hashMap.put(scheme, next);
}
if (i < next.priority()) {
i = next.priority();
str = next.getScheme();
}
}
this.effectiveProviders = ImmutableMap.copyOf((Map) hashMap);
this.defaultScheme = str;
}
}
public static NameResolverRegistry getDefaultRegistry() {
NameResolverRegistry nameResolverRegistry;
synchronized (NameResolverRegistry.class) {
if (instance == null) {
List<NameResolverProvider> loadAll = ServiceProviders.loadAll(NameResolverProvider.class, getHardCodedClasses(), NameResolverProvider.class.getClassLoader(), new NameResolverPriorityAccessor());
if (loadAll.isEmpty()) {
logger.warning("No NameResolverProviders found via ServiceLoader, including for DNS. This is probably due to a broken build. If using ProGuard, check your configuration");
}
instance = new NameResolverRegistry();
for (NameResolverProvider nameResolverProvider : loadAll) {
Logger logger2 = logger;
StringBuilder sb = new StringBuilder();
sb.append("Service loader found ");
sb.append(nameResolverProvider);
logger2.fine(sb.toString());
if (nameResolverProvider.isAvailable()) {
instance.addProvider(nameResolverProvider);
}
}
instance.refreshProviders();
}
nameResolverRegistry = instance;
}
return nameResolverRegistry;
}
final Map<String, NameResolverProvider> providers() {
ImmutableMap<String, NameResolverProvider> immutableMap;
synchronized (this) {
immutableMap = this.effectiveProviders;
}
return immutableMap;
}
static List<Class<?>> getHardCodedClasses() {
ArrayList arrayList = new ArrayList();
try {
arrayList.add(Class.forName("io.grpc.internal.DnsNameResolverProvider"));
} catch (ClassNotFoundException e) {
logger.log(Level.FINE, "Unable to find DNS NameResolver", (Throwable) e);
}
return Collections.unmodifiableList(arrayList);
}
/* loaded from: classes6.dex */
final class NameResolverFactory extends NameResolver.Factory {
final NameResolverRegistry this$0;
private NameResolverFactory(NameResolverRegistry nameResolverRegistry) {
this.this$0 = nameResolverRegistry;
}
@Override // io.grpc.NameResolver.Factory
public final NameResolver newNameResolver(URI uri, NameResolver.Args args) {
NameResolverProvider nameResolverProvider = this.this$0.providers().get(uri.getScheme());
if (nameResolverProvider == null) {
return null;
}
return nameResolverProvider.newNameResolver(uri, args);
}
@Override // io.grpc.NameResolver.Factory
public final String getDefaultScheme() {
String str;
synchronized (this.this$0) {
str = this.this$0.defaultScheme;
}
return str;
}
}
/* JADX INFO: Access modifiers changed from: package-private */
/* loaded from: classes6.dex */
public static final class NameResolverPriorityAccessor implements ServiceProviders.PriorityAccessor<NameResolverProvider> {
private NameResolverPriorityAccessor() {
}
@Override // io.grpc.ServiceProviders.PriorityAccessor
public final boolean isAvailable(NameResolverProvider nameResolverProvider) {
return nameResolverProvider.isAvailable();
}
@Override // io.grpc.ServiceProviders.PriorityAccessor
public final int getPriority(NameResolverProvider nameResolverProvider) {
return nameResolverProvider.priority();
}
}
public final NameResolver.Factory asFactory() {
return this.factory;
}
}