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package org.onap.sdc.dcae.composition.util;

import java.util.Properties;

import org.onap.sdc.common.onaplog.OnapLoggerDebug;
import org.onap.sdc.common.onaplog.OnapLoggerError;
import org.onap.sdc.common.onaplog.Enums.LogLevel;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.PropertySource;
import org.springframework.context.annotation.PropertySources;
import org.springframework.context.annotation.Scope;
import org.springframework.context.support.PropertySourcesPlaceholderConfigurer;
import org.springframework.core.env.Environment;
import org.springframework.stereotype.Component;


/**
 * SystemProperties contains a list of constants used throughout portions of the
 * application. Populated by Spring from multiple configuration files.
 */
@Configuration
@Component
@PropertySources({
	@PropertySource(value="classpath:application-fe.properties", ignoreResourceNotFound=true),
	@PropertySource(value="file:${jetty.base}/config/dcae-be/application.properties", ignoreResourceNotFound=true)
})
@Scope(value = "singleton")
public class SystemProperties {
	private static OnapLoggerDebug debugLogger = OnapLoggerDebug.getInstance();

	@Autowired
	private Environment env;
	
	private Properties applicationProperties = null;
	
	public SystemProperties() {
		super();
	}
	
	@javax.annotation.PostConstruct
	public void init() {
		debugLogger.log(LogLevel.DEBUG, this.getClass().getName(), "****************************************************************************************************************");
		debugLogger.log(LogLevel.DEBUG, this.getClass().getName(), "Configuration: {}", env);
		if(applicationProperties == null){
			applicationProperties = new Properties();
			applicationProperties.setProperty(DcaeBeConstants.Config.URI,              getVal(env.getProperty(DcaeBeConstants.Config.URI)));
	        applicationProperties.setProperty(DcaeBeConstants.Config.ASDC_CATALOG_URL, getVal(env.getProperty(DcaeBeConstants.Config.ASDC_CATALOG_URL))+":"+getVal(env.getProperty(DcaeBeConstants.Config.URI)));
	        applicationProperties.setProperty(DcaeBeConstants.Config.ASDC_ROOTPATH,    getVal(env.getProperty(DcaeBeConstants.Config.ASDC_ROOTPATH)));
		}
		debugLogger.log(LogLevel.DEBUG, this.getClass().getName(), "****************************************************************************************************************");
	}

	private String getVal(String property) {
		return property != null ? property : "";
	}

	public final Properties getProperties() {
        return applicationProperties;
    }
	
	public static PropertySourcesPlaceholderConfigurer propertySourcesPlaceholderConfigurer() {
	    PropertySourcesPlaceholderConfigurer p =  new PropertySourcesPlaceholderConfigurer();
	    p.setIgnoreResourceNotFound(true);
	
	    return p;
	}
}