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package org.onap.sdc.dcae.composition;
import org.onap.sdc.common.onaplog.Enums.LogLevel;
import org.onap.sdc.common.onaplog.OnapLoggerDebug;
import org.onap.sdc.common.onaplog.OnapLoggerError;
import org.onap.sdc.dcae.composition.util.SystemProperties;
import org.onap.sdc.dcae.errormng.ErrConfMgr;
import org.onap.sdc.dcae.errormng.ErrorConfigurationLoader;
import org.onap.sdc.dcae.filter.LoggingFilter;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.CommandLineRunner;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.builder.SpringApplicationBuilder;
import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.boot.web.support.SpringBootServletInitializer;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.PropertySource;
import org.springframework.scheduling.annotation.EnableScheduling;
import org.springframework.web.servlet.config.annotation.CorsRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
import javax.servlet.ServletContext;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Properties;
import java.util.jar.Attributes;
import java.util.jar.Manifest;
@Configuration
@EnableScheduling
@SpringBootApplication
@ComponentScan("org.onap.sdc.dcae")
@EnableAutoConfiguration
@PropertySource("file:${jetty.base}/config/dcae-be/application.properties")
public class CompositionEngine extends SpringBootServletInitializer implements CommandLineRunner{
private static final String SPECIFICATION_VERSION = "Specification-Version";
@Autowired
ServletContext servletContext;
private static final String MANIFEST_FILE_NAME = "/META-INF/MANIFEST.MF";
private static String dcaeVersion;
private OnapLoggerError errLogger = OnapLoggerError.getInstance();
private OnapLoggerDebug debugLogger = OnapLoggerDebug.getInstance();
public static void main(String[] args) {
SpringApplication.run(CompositionEngine.class, args);
}
/**
* Creates and returns a new instance of a {@link SystemProperties} class.
*
* @return New instance of {@link SystemProperties}.
*/
@Override
protected SpringApplicationBuilder configure(SpringApplicationBuilder application) {
return application.sources(CompositionEngine.class);
}
@Bean
public WebMvcConfigurer corsConfigurer() {
return new WebMvcConfigurerAdapter() {
@Override
public void addCorsMappings(CorsRegistry registry) {
registry.addMapping("/**")
.allowedOrigins("*")
.allowedHeaders("*")
.allowedMethods("GET", "POST", "OPTIONS", "PUT")
.allowCredentials(false)
.maxAge(3600);
}
};
}
@Override
public void run(String... args) throws Exception {
ErrorConfigurationLoader errorConfigurationLoader = new ErrorConfigurationLoader(System.getProperty("jetty.base"));
ErrConfMgr instance = ErrConfMgr.INSTANCE;
InputStream inputStream = servletContext.getResourceAsStream(MANIFEST_FILE_NAME);
//setLogbackXmlLocation();
String version = null;
try {
Manifest mf = new Manifest(inputStream);
Attributes atts = mf.getMainAttributes();
version = atts.getValue(SPECIFICATION_VERSION);
if (version == null || version.isEmpty()) {
errLogger.log(LogLevel.ERROR, this.getClass().getName(), "failed to read DCAE version from MANIFEST.");
} else {
debugLogger.log(LogLevel.DEBUG, this.getClass().getName(), "DCAE version from MANIFEST is {}", version);
dcaeVersion = version;
}
} catch (IOException e) {
errLogger.log(LogLevel.ERROR, this.getClass().getName(), "failed to read DCAE version from MANIFEST: {}", e.getMessage());
}
}
private void setLogbackXmlLocation() throws Exception {
String jettyBase = System.getProperty("config.home");
Properties props = System.getProperties();
debugLogger.log(LogLevel.DEBUG, this.getClass().getName(), "Current System Properties are: {}", props);
if (jettyBase == null) {
String msg = "Couldn't resolve config.home environmental variable";
errLogger.log(LogLevel.ERROR, this.getClass().getName(), msg);
throw new Exception(msg + ". Failed to configure logback.xml location... aborting.");
}
String logbackXmlLocation = jettyBase+"/dcae-be/logback.xml";
props.setProperty("logback.configurationFile", logbackXmlLocation);
debugLogger.log(LogLevel.DEBUG, this.getClass().getName(), "Successfuly set the logback.xml location to {}", logbackXmlLocation);
}
@Bean
public FilterRegistrationBean contextLifecycleFilter() {
Collection<String> urlPatterns = new ArrayList<>();
urlPatterns.add("/*");
FilterRegistrationBean filterRegistrationBean = new FilterRegistrationBean(new LoggingFilter());
filterRegistrationBean.setUrlPatterns(urlPatterns);
return filterRegistrationBean;
}
public static String getDcaeVersion() {
return dcaeVersion;
}
}
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