LineageOS/android_packages_modules_Connectivity
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Merge "Remove Preconditions, Protocol @hide usage"

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This commit is contained in:
Paul Hu
2021-12-14 02:52:11 +00:00
committed by Gerrit Code Review
parent ffff856279 28053d0561
commit 224a57bf3b
1 changed files with 56 additions and 46 deletions
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102
framework-t/src/android/net/nsd/NsdManager.java
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@@ -16,10 +16,6 @@
package android.net.nsd;
import static com.android.internal.util.Preconditions.checkArgument;
import static com.android.internal.util.Preconditions.checkNotNull;
import static com.android.internal.util.Preconditions.checkStringNotEmpty;
import android.annotation.SdkConstant;
import android.annotation.SdkConstant.SdkConstantType;
import android.annotation.SystemService;
@@ -32,11 +28,13 @@ import android.os.HandlerThread;
import android.os.Looper;
import android.os.Message;
import android.os.RemoteException;
import android.text.TextUtils;
import android.util.Log;
import android.util.SparseArray;
import com.android.internal.annotations.VisibleForTesting;
import com.android.internal.util.Protocol;
import java.util.Objects;
/**
* The Network Service Discovery Manager class provides the API to discover services
@@ -175,65 +173,63 @@ public final class NsdManager {
*/
public static final int NSD_STATE_ENABLED = 2;
private static final int BASE = Protocol.BASE_NSD_MANAGER;
/** @hide */
public static final int DISCOVER_SERVICES = 1;
/** @hide */
public static final int DISCOVER_SERVICES_STARTED = 2;
/** @hide */
public static final int DISCOVER_SERVICES_FAILED = 3;
/** @hide */
public static final int SERVICE_FOUND = 4;
/** @hide */
public static final int SERVICE_LOST = 5;
/** @hide */
public static final int DISCOVER_SERVICES = BASE + 1;
public static final int STOP_DISCOVERY = 6;
/** @hide */
public static final int DISCOVER_SERVICES_STARTED = BASE + 2;
public static final int STOP_DISCOVERY_FAILED = 7;
/** @hide */
public static final int DISCOVER_SERVICES_FAILED = BASE + 3;
/** @hide */
public static final int SERVICE_FOUND = BASE + 4;
/** @hide */
public static final int SERVICE_LOST = BASE + 5;
public static final int STOP_DISCOVERY_SUCCEEDED = 8;
/** @hide */
public static final int STOP_DISCOVERY = BASE + 6;
public static final int REGISTER_SERVICE = 9;
/** @hide */
public static final int STOP_DISCOVERY_FAILED = BASE + 7;
public static final int REGISTER_SERVICE_FAILED = 10;
/** @hide */
public static final int STOP_DISCOVERY_SUCCEEDED = BASE + 8;
public static final int REGISTER_SERVICE_SUCCEEDED = 11;
/** @hide */
public static final int REGISTER_SERVICE = BASE + 9;
public static final int UNREGISTER_SERVICE = 12;
/** @hide */
public static final int REGISTER_SERVICE_FAILED = BASE + 10;
public static final int UNREGISTER_SERVICE_FAILED = 13;
/** @hide */
public static final int REGISTER_SERVICE_SUCCEEDED = BASE + 11;
public static final int UNREGISTER_SERVICE_SUCCEEDED = 14;
/** @hide */
public static final int UNREGISTER_SERVICE = BASE + 12;
public static final int RESOLVE_SERVICE = 15;
/** @hide */
public static final int UNREGISTER_SERVICE_FAILED = BASE + 13;
public static final int RESOLVE_SERVICE_FAILED = 16;
/** @hide */
public static final int UNREGISTER_SERVICE_SUCCEEDED = BASE + 14;
public static final int RESOLVE_SERVICE_SUCCEEDED = 17;
/** @hide */
public static final int RESOLVE_SERVICE = BASE + 18;
/** @hide */
public static final int RESOLVE_SERVICE_FAILED = BASE + 19;
/** @hide */
public static final int RESOLVE_SERVICE_SUCCEEDED = BASE + 20;
public static final int DAEMON_CLEANUP = 18;
/** @hide */
public static final int DAEMON_CLEANUP = BASE + 21;
public static final int DAEMON_STARTUP = 19;
/** @hide */
public static final int DAEMON_STARTUP = BASE + 22;
public static final int ENABLE = 20;
/** @hide */
public static final int DISABLE = 21;
/** @hide */
public static final int ENABLE = BASE + 24;
/** @hide */
public static final int DISABLE = BASE + 25;
public static final int NATIVE_DAEMON_EVENT = 22;
/** @hide */
public static final int NATIVE_DAEMON_EVENT = BASE + 26;
public static final int REGISTER_CLIENT = 23;
/** @hide */
public static final int REGISTER_CLIENT = BASE + 27;
/** @hide */
public static final int UNREGISTER_CLIENT = BASE + 28;
public static final int UNREGISTER_CLIENT = 24;
/** Dns based service discovery protocol */
public static final int PROTOCOL_DNS_SD = 0x0001;
@@ -550,7 +546,9 @@ public final class NsdManager {
final int key;
synchronized (mMapLock) {
int valueIndex = mListenerMap.indexOfValue(listener);
checkArgument(valueIndex == -1, "listener already in use");
if (valueIndex != -1) {
throw new IllegalArgumentException("listener already in use");
}
key = nextListenerKey();
mListenerMap.put(key, listener);
mServiceMap.put(key, s);
@@ -569,7 +567,9 @@ public final class NsdManager {
checkListener(listener);
synchronized (mMapLock) {
int valueIndex = mListenerMap.indexOfValue(listener);
checkArgument(valueIndex != -1, "listener not registered");
if (valueIndex == -1) {
throw new IllegalArgumentException("listener not registered");
}
return mListenerMap.keyAt(valueIndex);
}
}
@@ -598,7 +598,9 @@ public final class NsdManager {
*/
public void registerService(NsdServiceInfo serviceInfo, int protocolType,
RegistrationListener listener) {
checkArgument(serviceInfo.getPort() > 0, "Invalid port number");
if (serviceInfo.getPort() <= 0) {
throw new IllegalArgumentException("Invalid port number");
}
checkServiceInfo(serviceInfo);
checkProtocol(protocolType);
int key = putListener(listener, serviceInfo);
@@ -660,7 +662,9 @@ public final class NsdManager {
* Cannot be null. Cannot be in use for an active service discovery.
*/
public void discoverServices(String serviceType, int protocolType, DiscoveryListener listener) {
checkStringNotEmpty(serviceType, "Service type cannot be empty");
if (TextUtils.isEmpty(serviceType)) {
throw new IllegalArgumentException("Service type cannot be empty");
}
checkProtocol(protocolType);
NsdServiceInfo s = new NsdServiceInfo();
@@ -719,16 +723,22 @@ public final class NsdManager {
}
private static void checkListener(Object listener) {
checkNotNull(listener, "listener cannot be null");
Objects.requireNonNull(listener, "listener cannot be null");
}
private static void checkProtocol(int protocolType) {
checkArgument(protocolType == PROTOCOL_DNS_SD, "Unsupported protocol");
if (protocolType != PROTOCOL_DNS_SD) {
throw new IllegalArgumentException("Unsupported protocol");
}
}
private static void checkServiceInfo(NsdServiceInfo serviceInfo) {
checkNotNull(serviceInfo, "NsdServiceInfo cannot be null");
checkStringNotEmpty(serviceInfo.getServiceName(), "Service name cannot be empty");
checkStringNotEmpty(serviceInfo.getServiceType(), "Service type cannot be empty");
Objects.requireNonNull(serviceInfo, "NsdServiceInfo cannot be null");
if (TextUtils.isEmpty(serviceInfo.getServiceName())) {
throw new IllegalArgumentException("Service name cannot be empty");
}
if (TextUtils.isEmpty(serviceInfo.getServiceType())) {
throw new IllegalArgumentException("Service type cannot be empty");
}
}
}