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/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.fs.azurebfs;
import java.io.IOException;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.util.Map;
import io.prestosql.hadoop.$internal.com.google.common.annotations.VisibleForTesting;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.azurebfs.contracts.annotations.ConfigurationValidationAnnotations.IntegerConfigurationValidatorAnnotation;
import org.apache.hadoop.fs.azurebfs.contracts.annotations.ConfigurationValidationAnnotations.LongConfigurationValidatorAnnotation;
import org.apache.hadoop.fs.azurebfs.contracts.annotations.ConfigurationValidationAnnotations.StringConfigurationValidatorAnnotation;
import org.apache.hadoop.fs.azurebfs.contracts.annotations.ConfigurationValidationAnnotations.Base64StringConfigurationValidatorAnnotation;
import org.apache.hadoop.fs.azurebfs.contracts.annotations.ConfigurationValidationAnnotations.BooleanConfigurationValidatorAnnotation;
import org.apache.hadoop.fs.azurebfs.contracts.exceptions.AzureBlobFileSystemException;
import org.apache.hadoop.fs.azurebfs.contracts.exceptions.ConfigurationPropertyNotFoundException;
import org.apache.hadoop.fs.azurebfs.contracts.exceptions.InvalidConfigurationValueException;
import org.apache.hadoop.fs.azurebfs.contracts.exceptions.KeyProviderException;
import org.apache.hadoop.fs.azurebfs.contracts.exceptions.TokenAccessProviderException;
import org.apache.hadoop.fs.azurebfs.diagnostics.Base64StringConfigurationBasicValidator;
import org.apache.hadoop.fs.azurebfs.diagnostics.BooleanConfigurationBasicValidator;
import org.apache.hadoop.fs.azurebfs.diagnostics.IntegerConfigurationBasicValidator;
import org.apache.hadoop.fs.azurebfs.diagnostics.LongConfigurationBasicValidator;
import org.apache.hadoop.fs.azurebfs.diagnostics.StringConfigurationBasicValidator;
import org.apache.hadoop.fs.azurebfs.extensions.AbfsAuthorizationException;
import org.apache.hadoop.fs.azurebfs.extensions.AbfsAuthorizer;
import org.apache.hadoop.fs.azurebfs.extensions.CustomTokenProviderAdaptee;
import org.apache.hadoop.fs.azurebfs.oauth2.AccessTokenProvider;
import org.apache.hadoop.fs.azurebfs.oauth2.ClientCredsTokenProvider;
import org.apache.hadoop.fs.azurebfs.oauth2.CustomTokenProviderAdapter;
import org.apache.hadoop.fs.azurebfs.oauth2.MsiTokenProvider;
import org.apache.hadoop.fs.azurebfs.oauth2.RefreshTokenBasedTokenProvider;
import org.apache.hadoop.fs.azurebfs.oauth2.UserPasswordTokenProvider;
import org.apache.hadoop.fs.azurebfs.security.AbfsDelegationTokenManager;
import org.apache.hadoop.fs.azurebfs.services.AuthType;
import org.apache.hadoop.fs.azurebfs.services.KeyProvider;
import org.apache.hadoop.fs.azurebfs.services.SimpleKeyProvider;
import org.apache.hadoop.fs.azurebfs.utils.SSLSocketFactoryEx;
import org.apache.hadoop.security.ProviderUtils;
import org.apache.hadoop.util.ReflectionUtils;
import static org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys.*;
import static org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations.*;
/**
* Configuration for Azure Blob FileSystem.
*/
@InterfaceAudience.Private
@InterfaceStability.Evolving
public class AbfsConfiguration{
private final Configuration rawConfig;
private final String accountName;
private final boolean isSecure;
@IntegerConfigurationValidatorAnnotation(ConfigurationKey = AZURE_WRITE_BUFFER_SIZE,
MinValue = MIN_BUFFER_SIZE,
MaxValue = MAX_BUFFER_SIZE,
DefaultValue = DEFAULT_WRITE_BUFFER_SIZE)
private int writeBufferSize;
@IntegerConfigurationValidatorAnnotation(ConfigurationKey = AZURE_READ_BUFFER_SIZE,
MinValue = MIN_BUFFER_SIZE,
MaxValue = MAX_BUFFER_SIZE,
DefaultValue = DEFAULT_READ_BUFFER_SIZE)
private int readBufferSize;
@IntegerConfigurationValidatorAnnotation(ConfigurationKey = AZURE_MIN_BACKOFF_INTERVAL,
DefaultValue = DEFAULT_MIN_BACKOFF_INTERVAL)
private int minBackoffInterval;
@IntegerConfigurationValidatorAnnotation(ConfigurationKey = AZURE_MAX_BACKOFF_INTERVAL,
DefaultValue = DEFAULT_MAX_BACKOFF_INTERVAL)
private int maxBackoffInterval;
@IntegerConfigurationValidatorAnnotation(ConfigurationKey = AZURE_BACKOFF_INTERVAL,
DefaultValue = DEFAULT_BACKOFF_INTERVAL)
private int backoffInterval;
@IntegerConfigurationValidatorAnnotation(ConfigurationKey = AZURE_MAX_IO_RETRIES,
MinValue = 0,
DefaultValue = DEFAULT_MAX_RETRY_ATTEMPTS)
private int maxIoRetries;
@LongConfigurationValidatorAnnotation(ConfigurationKey = AZURE_BLOCK_SIZE_PROPERTY_NAME,
MinValue = 0,
MaxValue = MAX_AZURE_BLOCK_SIZE,
DefaultValue = MAX_AZURE_BLOCK_SIZE)
private long azureBlockSize;
@StringConfigurationValidatorAnnotation(ConfigurationKey = AZURE_BLOCK_LOCATION_HOST_PROPERTY_NAME,
DefaultValue = AZURE_BLOCK_LOCATION_HOST_DEFAULT)
private String azureBlockLocationHost;
@IntegerConfigurationValidatorAnnotation(ConfigurationKey = AZURE_CONCURRENT_CONNECTION_VALUE_OUT,
MinValue = 1,
DefaultValue = MAX_CONCURRENT_WRITE_THREADS)
private int maxConcurrentWriteThreads;
@IntegerConfigurationValidatorAnnotation(ConfigurationKey = AZURE_CONCURRENT_CONNECTION_VALUE_IN,
MinValue = 1,
DefaultValue = MAX_CONCURRENT_READ_THREADS)
private int maxConcurrentReadThreads;
@BooleanConfigurationValidatorAnnotation(ConfigurationKey = AZURE_TOLERATE_CONCURRENT_APPEND,
DefaultValue = DEFAULT_READ_TOLERATE_CONCURRENT_APPEND)
private boolean tolerateOobAppends;
@StringConfigurationValidatorAnnotation(ConfigurationKey = FS_AZURE_ATOMIC_RENAME_KEY,
DefaultValue = DEFAULT_FS_AZURE_ATOMIC_RENAME_DIRECTORIES)
private String azureAtomicDirs;
@BooleanConfigurationValidatorAnnotation(ConfigurationKey = AZURE_CREATE_REMOTE_FILESYSTEM_DURING_INITIALIZATION,
DefaultValue = DEFAULT_AZURE_CREATE_REMOTE_FILESYSTEM_DURING_INITIALIZATION)
private boolean createRemoteFileSystemDuringInitialization;
@BooleanConfigurationValidatorAnnotation(ConfigurationKey = AZURE_SKIP_USER_GROUP_METADATA_DURING_INITIALIZATION,
DefaultValue = DEFAULT_AZURE_SKIP_USER_GROUP_METADATA_DURING_INITIALIZATION)
private boolean skipUserGroupMetadataDuringInitialization;
@IntegerConfigurationValidatorAnnotation(ConfigurationKey = FS_AZURE_READ_AHEAD_QUEUE_DEPTH,
DefaultValue = DEFAULT_READ_AHEAD_QUEUE_DEPTH)
private int readAheadQueueDepth;
@BooleanConfigurationValidatorAnnotation(ConfigurationKey = FS_AZURE_ENABLE_FLUSH,
DefaultValue = DEFAULT_ENABLE_FLUSH)
private boolean enableFlush;
@BooleanConfigurationValidatorAnnotation(ConfigurationKey = FS_AZURE_ENABLE_AUTOTHROTTLING,
DefaultValue = DEFAULT_ENABLE_AUTOTHROTTLING)
private boolean enableAutoThrottling;
@StringConfigurationValidatorAnnotation(ConfigurationKey = FS_AZURE_USER_AGENT_PREFIX_KEY,
DefaultValue = "")
private String userAgentId;
@BooleanConfigurationValidatorAnnotation(ConfigurationKey = FS_AZURE_ENABLE_DELEGATION_TOKEN,
DefaultValue = DEFAULT_ENABLE_DELEGATION_TOKEN)
private boolean enableDelegationToken;
@StringConfigurationValidatorAnnotation(ConfigurationKey = ABFS_EXTERNAL_AUTHORIZATION_CLASS,
DefaultValue = "")
private String abfsExternalAuthorizationClass;
@BooleanConfigurationValidatorAnnotation(ConfigurationKey = FS_AZURE_ALWAYS_USE_HTTPS,
DefaultValue = DEFAULT_ENABLE_HTTPS)
private boolean alwaysUseHttps;
private Map storageAccountKeys;
public AbfsConfiguration(final Configuration rawConfig, String accountName)
throws IllegalAccessException, InvalidConfigurationValueException, IOException {
this.rawConfig = ProviderUtils.excludeIncompatibleCredentialProviders(
rawConfig, AzureBlobFileSystem.class);
this.accountName = accountName;
this.isSecure = getBoolean(FS_AZURE_SECURE_MODE, false);
validateStorageAccountKeys();
Field[] fields = this.getClass().getDeclaredFields();
for (Field field : fields) {
field.setAccessible(true);
if (field.isAnnotationPresent(IntegerConfigurationValidatorAnnotation.class)) {
field.set(this, validateInt(field));
} else if (field.isAnnotationPresent(LongConfigurationValidatorAnnotation.class)) {
field.set(this, validateLong(field));
} else if (field.isAnnotationPresent(StringConfigurationValidatorAnnotation.class)) {
field.set(this, validateString(field));
} else if (field.isAnnotationPresent(Base64StringConfigurationValidatorAnnotation.class)) {
field.set(this, validateBase64String(field));
} else if (field.isAnnotationPresent(BooleanConfigurationValidatorAnnotation.class)) {
field.set(this, validateBoolean(field));
}
}
}
/**
* Appends an account name to a configuration key yielding the
* account-specific form.
* @param key Account-agnostic configuration key
* @return Account-specific configuration key
*/
public String accountConf(String key) {
return key + "." + accountName;
}
/**
* Returns the account-specific value if it exists, then looks for an
* account-agnostic value.
* @param key Account-agnostic configuration key
* @return value if one exists, else null
*/
public String get(String key) {
return rawConfig.get(accountConf(key), rawConfig.get(key));
}
/**
* Returns the account-specific value if it exists, then looks for an
* account-agnostic value, and finally tries the default value.
* @param key Account-agnostic configuration key
* @param defaultValue Value returned if none is configured
* @return value if one exists, else the default value
*/
public boolean getBoolean(String key, boolean defaultValue) {
return rawConfig.getBoolean(accountConf(key), rawConfig.getBoolean(key, defaultValue));
}
/**
* Returns the account-specific value if it exists, then looks for an
* account-agnostic value, and finally tries the default value.
* @param key Account-agnostic configuration key
* @param defaultValue Value returned if none is configured
* @return value if one exists, else the default value
*/
public long getLong(String key, long defaultValue) {
return rawConfig.getLong(accountConf(key), rawConfig.getLong(key, defaultValue));
}
/**
* Returns the account-specific password in string form if it exists, then
* looks for an account-agnostic value.
* @param key Account-agnostic configuration key
* @return value in String form if one exists, else null
* @throws IOException
*/
public String getPasswordString(String key) throws IOException {
char[] passchars = rawConfig.getPassword(accountConf(key));
if (passchars == null) {
passchars = rawConfig.getPassword(key);
}
if (passchars != null) {
return new String(passchars);
}
return null;
}
/**
* Returns the account-specific Class if it exists, then looks for an
* account-agnostic value, and finally tries the default value.
* @param name Account-agnostic configuration key
* @param defaultValue Class returned if none is configured
* @param xface Interface shared by all possible values
* @return Highest-precedence Class object that was found
*/
public Class getClass(String name, Class defaultValue, Class xface) {
return rawConfig.getClass(accountConf(name),
rawConfig.getClass(name, defaultValue, xface),
xface);
}
/**
* Returns the account-specific password in string form if it exists, then
* looks for an account-agnostic value.
* @param name Account-agnostic configuration key
* @param defaultValue Value returned if none is configured
* @return value in String form if one exists, else null
*/
public > T getEnum(String name, T defaultValue) {
return rawConfig.getEnum(accountConf(name),
rawConfig.getEnum(name, defaultValue));
}
/**
* Unsets parameter in the underlying Configuration object.
* Provided only as a convenience; does not add any account logic.
* @param key Configuration key
*/
public void unset(String key) {
rawConfig.unset(key);
}
/**
* Sets String in the underlying Configuration object.
* Provided only as a convenience; does not add any account logic.
* @param key Configuration key
* @param value Configuration value
*/
public void set(String key, String value) {
rawConfig.set(key, value);
}
/**
* Sets boolean in the underlying Configuration object.
* Provided only as a convenience; does not add any account logic.
* @param key Configuration key
* @param value Configuration value
*/
public void setBoolean(String key, boolean value) {
rawConfig.setBoolean(key, value);
}
public boolean isSecureMode() {
return isSecure;
}
public String getStorageAccountKey() throws AzureBlobFileSystemException {
String key;
String keyProviderClass = get(AZURE_KEY_ACCOUNT_KEYPROVIDER);
KeyProvider keyProvider;
if (keyProviderClass == null) {
// No key provider was provided so use the provided key as is.
keyProvider = new SimpleKeyProvider();
} else {
// create an instance of the key provider class and verify it
// implements KeyProvider
Object keyProviderObject;
try {
Class clazz = rawConfig.getClassByName(keyProviderClass);
keyProviderObject = clazz.newInstance();
} catch (Exception e) {
throw new KeyProviderException("Unable to load key provider class.", e);
}
if (!(keyProviderObject instanceof KeyProvider)) {
throw new KeyProviderException(keyProviderClass
+ " specified in config is not a valid KeyProvider class.");
}
keyProvider = (KeyProvider) keyProviderObject;
}
key = keyProvider.getStorageAccountKey(accountName, rawConfig);
if (key == null) {
throw new ConfigurationPropertyNotFoundException(accountName);
}
return key;
}
public Configuration getRawConfiguration() {
return this.rawConfig;
}
public int getWriteBufferSize() {
return this.writeBufferSize;
}
public int getReadBufferSize() {
return this.readBufferSize;
}
public int getMinBackoffIntervalMilliseconds() {
return this.minBackoffInterval;
}
public int getMaxBackoffIntervalMilliseconds() {
return this.maxBackoffInterval;
}
public int getBackoffIntervalMilliseconds() {
return this.backoffInterval;
}
public int getMaxIoRetries() {
return this.maxIoRetries;
}
public long getAzureBlockSize() {
return this.azureBlockSize;
}
public String getAzureBlockLocationHost() {
return this.azureBlockLocationHost;
}
public int getMaxConcurrentWriteThreads() {
return this.maxConcurrentWriteThreads;
}
public int getMaxConcurrentReadThreads() {
return this.maxConcurrentReadThreads;
}
public boolean getTolerateOobAppends() {
return this.tolerateOobAppends;
}
public String getAzureAtomicRenameDirs() {
return this.azureAtomicDirs;
}
public boolean getCreateRemoteFileSystemDuringInitialization() {
return this.createRemoteFileSystemDuringInitialization;
}
public boolean getSkipUserGroupMetadataDuringInitialization() {
return this.skipUserGroupMetadataDuringInitialization;
}
public int getReadAheadQueueDepth() {
return this.readAheadQueueDepth;
}
public boolean isFlushEnabled() {
return this.enableFlush;
}
public boolean isAutoThrottlingEnabled() {
return this.enableAutoThrottling;
}
public String getCustomUserAgentPrefix() {
return this.userAgentId;
}
public SSLSocketFactoryEx.SSLChannelMode getPreferredSSLFactoryOption() {
return getEnum(FS_AZURE_SSL_CHANNEL_MODE_KEY, DEFAULT_FS_AZURE_SSL_CHANNEL_MODE);
}
public AuthType getAuthType(String accountName) {
return getEnum(FS_AZURE_ACCOUNT_AUTH_TYPE_PROPERTY_NAME, AuthType.SharedKey);
}
public boolean isDelegationTokenManagerEnabled() {
return enableDelegationToken;
}
public AbfsDelegationTokenManager getDelegationTokenManager() throws IOException {
return new AbfsDelegationTokenManager(getRawConfiguration());
}
public boolean isHttpsAlwaysUsed() {
return this.alwaysUseHttps;
}
public AccessTokenProvider getTokenProvider() throws TokenAccessProviderException {
AuthType authType = getEnum(FS_AZURE_ACCOUNT_AUTH_TYPE_PROPERTY_NAME, AuthType.SharedKey);
if (authType == AuthType.OAuth) {
try {
Class tokenProviderClass =
getClass(FS_AZURE_ACCOUNT_TOKEN_PROVIDER_TYPE_PROPERTY_NAME, null,
AccessTokenProvider.class);
AccessTokenProvider tokenProvider = null;
if (tokenProviderClass == ClientCredsTokenProvider.class) {
String authEndpoint = getPasswordString(FS_AZURE_ACCOUNT_OAUTH_CLIENT_ENDPOINT);
String clientId = getPasswordString(FS_AZURE_ACCOUNT_OAUTH_CLIENT_ID);
String clientSecret = getPasswordString(FS_AZURE_ACCOUNT_OAUTH_CLIENT_SECRET);
tokenProvider = new ClientCredsTokenProvider(authEndpoint, clientId, clientSecret);
} else if (tokenProviderClass == UserPasswordTokenProvider.class) {
String authEndpoint = getPasswordString(FS_AZURE_ACCOUNT_OAUTH_CLIENT_ENDPOINT);
String username = getPasswordString(FS_AZURE_ACCOUNT_OAUTH_USER_NAME);
String password = getPasswordString(FS_AZURE_ACCOUNT_OAUTH_USER_PASSWORD);
tokenProvider = new UserPasswordTokenProvider(authEndpoint, username, password);
} else if (tokenProviderClass == MsiTokenProvider.class) {
String tenantGuid = getPasswordString(FS_AZURE_ACCOUNT_OAUTH_MSI_TENANT);
String clientId = getPasswordString(FS_AZURE_ACCOUNT_OAUTH_CLIENT_ID);
tokenProvider = new MsiTokenProvider(tenantGuid, clientId);
} else if (tokenProviderClass == RefreshTokenBasedTokenProvider.class) {
String refreshToken = getPasswordString(FS_AZURE_ACCOUNT_OAUTH_REFRESH_TOKEN);
String clientId = getPasswordString(FS_AZURE_ACCOUNT_OAUTH_CLIENT_ID);
tokenProvider = new RefreshTokenBasedTokenProvider(clientId, refreshToken);
} else {
throw new IllegalArgumentException("Failed to initialize " + tokenProviderClass);
}
return tokenProvider;
} catch(IllegalArgumentException e) {
throw e;
} catch (Exception e) {
throw new TokenAccessProviderException("Unable to load key provider class.", e);
}
} else if (authType == AuthType.Custom) {
try {
String configKey = FS_AZURE_ACCOUNT_TOKEN_PROVIDER_TYPE_PROPERTY_NAME;
Class customTokenProviderClass =
getClass(configKey, null, CustomTokenProviderAdaptee.class);
if (customTokenProviderClass == null) {
throw new IllegalArgumentException(
String.format("The configuration value for \"%s\" is invalid.", configKey));
}
CustomTokenProviderAdaptee azureTokenProvider = ReflectionUtils
.newInstance(customTokenProviderClass, rawConfig);
if (azureTokenProvider == null) {
throw new IllegalArgumentException("Failed to initialize " + customTokenProviderClass);
}
azureTokenProvider.initialize(rawConfig, accountName);
return new CustomTokenProviderAdapter(azureTokenProvider);
} catch(IllegalArgumentException e) {
throw e;
} catch (Exception e) {
throw new TokenAccessProviderException("Unable to load custom token provider class.", e);
}
} else {
throw new TokenAccessProviderException(String.format(
"Invalid auth type: %s is being used, expecting OAuth", authType));
}
}
public String getAbfsExternalAuthorizationClass() {
return this.abfsExternalAuthorizationClass;
}
public AbfsAuthorizer getAbfsAuthorizer() throws IOException {
String authClassName = getAbfsExternalAuthorizationClass();
AbfsAuthorizer authorizer = null;
try {
if (authClassName != null && !authClassName.isEmpty()) {
@SuppressWarnings("unchecked")
Class authClass = (Class) rawConfig.getClassByName(authClassName);
authorizer = authClass.getConstructor(new Class[] {Configuration.class}).newInstance(rawConfig);
authorizer.init();
}
} catch (
IllegalAccessException
| InstantiationException
| ClassNotFoundException
| IllegalArgumentException
| InvocationTargetException
| NoSuchMethodException
| SecurityException
| AbfsAuthorizationException e) {
throw new IOException(e);
}
return authorizer;
}
void validateStorageAccountKeys() throws InvalidConfigurationValueException {
Base64StringConfigurationBasicValidator validator = new Base64StringConfigurationBasicValidator(
FS_AZURE_ACCOUNT_KEY_PROPERTY_NAME, "", true);
this.storageAccountKeys = rawConfig.getValByRegex(FS_AZURE_ACCOUNT_KEY_PROPERTY_NAME_REGX);
for (Map.Entry account : storageAccountKeys.entrySet()) {
validator.validate(account.getValue());
}
}
int validateInt(Field field) throws IllegalAccessException, InvalidConfigurationValueException {
IntegerConfigurationValidatorAnnotation validator = field.getAnnotation(IntegerConfigurationValidatorAnnotation.class);
String value = get(validator.ConfigurationKey());
// validate
return new IntegerConfigurationBasicValidator(
validator.MinValue(),
validator.MaxValue(),
validator.DefaultValue(),
validator.ConfigurationKey(),
validator.ThrowIfInvalid()).validate(value);
}
long validateLong(Field field) throws IllegalAccessException, InvalidConfigurationValueException {
LongConfigurationValidatorAnnotation validator = field.getAnnotation(LongConfigurationValidatorAnnotation.class);
String value = rawConfig.get(validator.ConfigurationKey());
// validate
return new LongConfigurationBasicValidator(
validator.MinValue(),
validator.MaxValue(),
validator.DefaultValue(),
validator.ConfigurationKey(),
validator.ThrowIfInvalid()).validate(value);
}
String validateString(Field field) throws IllegalAccessException, InvalidConfigurationValueException {
StringConfigurationValidatorAnnotation validator = field.getAnnotation(StringConfigurationValidatorAnnotation.class);
String value = rawConfig.get(validator.ConfigurationKey());
// validate
return new StringConfigurationBasicValidator(
validator.ConfigurationKey(),
validator.DefaultValue(),
validator.ThrowIfInvalid()).validate(value);
}
String validateBase64String(Field field) throws IllegalAccessException, InvalidConfigurationValueException {
Base64StringConfigurationValidatorAnnotation validator = field.getAnnotation((Base64StringConfigurationValidatorAnnotation.class));
String value = rawConfig.get(validator.ConfigurationKey());
// validate
return new Base64StringConfigurationBasicValidator(
validator.ConfigurationKey(),
validator.DefaultValue(),
validator.ThrowIfInvalid()).validate(value);
}
boolean validateBoolean(Field field) throws IllegalAccessException, InvalidConfigurationValueException {
BooleanConfigurationValidatorAnnotation validator = field.getAnnotation(BooleanConfigurationValidatorAnnotation.class);
String value = rawConfig.get(validator.ConfigurationKey());
// validate
return new BooleanConfigurationBasicValidator(
validator.ConfigurationKey(),
validator.DefaultValue(),
validator.ThrowIfInvalid()).validate(value);
}
@VisibleForTesting
void setReadBufferSize(int bufferSize) {
this.readBufferSize = bufferSize;
}
@VisibleForTesting
void setWriteBufferSize(int bufferSize) {
this.writeBufferSize = bufferSize;
}
@VisibleForTesting
void setEnableFlush(boolean enableFlush) {
this.enableFlush = enableFlush;
}
}