/**
* 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.curator.x.rpc.configuration;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.jsontype.SubtypeResolver;
import com.fasterxml.jackson.databind.jsontype.impl.StdSubtypeResolver;
import io.dropwizard.configuration.ConfigurationFactory;
import io.dropwizard.configuration.ConfigurationFactoryFactory;
import io.dropwizard.configuration.ConfigurationSourceProvider;
import io.dropwizard.configuration.DefaultConfigurationFactoryFactory;
import io.dropwizard.jackson.AnnotationSensitivePropertyNamingStrategy;
import io.dropwizard.jackson.LogbackModule;
import io.dropwizard.logging.ConsoleAppenderFactory;
import io.dropwizard.logging.FileAppenderFactory;
import io.dropwizard.logging.LoggingFactory;
import io.dropwizard.logging.SyslogAppenderFactory;
import org.jboss.netty.logging.InternalLoggerFactory;
import org.jboss.netty.logging.Slf4JLoggerFactory;
import javax.validation.Validation;
import javax.validation.ValidatorFactory;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.Charset;
public class ConfigurationBuilder
{
private final String configurationSource;
static
{
LoggingFactory.bootstrap();
InternalLoggerFactory.setDefaultFactory(new Slf4JLoggerFactory());
}
public ConfigurationBuilder(String configurationSource)
{
this.configurationSource = configurationSource;
}
public Configuration build() throws Exception
{
ObjectMapper mapper = new ObjectMapper();
mapper.registerModule(new LogbackModule());
mapper.setPropertyNamingStrategy(new AnnotationSensitivePropertyNamingStrategy());
SubtypeResolver subtypeResolver = new StdSubtypeResolver();
subtypeResolver.registerSubtypes
(
ConsoleAppenderFactory.class,
FileAppenderFactory.class,
SyslogAppenderFactory.class,
ExponentialBackoffRetryConfiguration.class,
RetryNTimesConfiguration.class
);
mapper.setSubtypeResolver(subtypeResolver);
ValidatorFactory validatorFactory = Validation.buildDefaultValidatorFactory();
ConfigurationFactoryFactory<Configuration> factoryFactory = new DefaultConfigurationFactoryFactory<Configuration>();
ConfigurationFactory<Configuration> configurationFactory = factoryFactory.create(Configuration.class, validatorFactory.getValidator(), mapper, "curator");
ConfigurationSourceProvider provider = new ConfigurationSourceProvider()
{
@Override
public InputStream open(String path) throws IOException
{
return new ByteArrayInputStream(configurationSource.getBytes(Charset.defaultCharset()));
}
};
return configurationFactory.build(provider, "");
}
}