Created
March 17, 2016 23:31
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Using dependency injection for injecting configuration.
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import org.cfg4j.provider.ConfigurationProvider; | |
import org.cfg4j.provider.ConfigurationProviderBuilder; | |
import org.cfg4j.source.ConfigurationSource; | |
import org.cfg4j.source.consul.ConsulConfigurationSourceBuilder; | |
import org.cfg4j.source.context.environment.ImmutableEnvironment; | |
import org.cfg4j.source.reload.strategy.PeriodicalReloadStrategy; | |
import org.springframework.beans.factory.annotation.Value; | |
import org.springframework.context.annotation.Bean; | |
import org.springframework.context.annotation.Configuration; | |
import java.net.MalformedURLException; | |
import java.util.concurrent.TimeUnit; | |
@Configuration | |
class Cfg4jBeansConfig { | |
@Value("${configuration.endpoint.protocol:http}") | |
private String configurationEndpointProtocol; | |
@Value("${configuration.endpoint.hostname:youForgotToSpecifyHost}") | |
private String configurationEndpoint; | |
@Value("${configuration.endpoint.port:8500}") | |
private int configurationEndpointPort; | |
@Bean | |
ConfigurationSource globalConfigurationSource() throws MalformedURLException { | |
return new ConsulConfigurationSourceBuilder() | |
.withHost(configurationEndpoint) | |
.withPort(configurationEndpointPort) | |
.build(); | |
} | |
@Bean | |
ConfigurationProvider configurationProvider(ConfigurationSource configurationSource, | |
@Value("${configuration.environment}") String configurationEnvironment) { | |
return new ConfigurationProviderBuilder() | |
.withConfigurationSource(configurationSource) | |
.withEnvironment(new ImmutableEnvironment("app/" + configurationEnvironment + "/feature")) | |
.withReloadStrategy(new PeriodicalReloadStrategy(30, TimeUnit.SECONDS)) | |
.build(); | |
} | |
public interface SearchConfig { | |
String defaultQuery(); | |
} | |
@Bean | |
SearchConfig searchConfig(ConfigurationProvider configurationProvider) { | |
return configurationProvider.bind("search", SearchConfig.class); | |
} | |
} |
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