package org.gcube.portlets.user.uriresolvermanager.type;

import java.io.IOException;
import java.io.InputStream;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;

import org.apache.log4j.Logger;

public class ApplicationTypePropertyReader {

	protected static final String RESOURCE_FILE_PROPERTIES = "applicationtyperesources.properties";
	
	private Map<String, String> applicationTypes; //A map ApplicationType - Resource Name
	
	private Logger logger = Logger.getLogger(ApplicationTypePropertyReader.class);
	
	public ApplicationTypePropertyReader() throws PropertyFileNotFoundException {

		Properties prop = new Properties();
		
		try {
			
			InputStream in = (InputStream) ApplicationTypePropertyReader.class.getResourceAsStream(RESOURCE_FILE_PROPERTIES);

			// load a properties file
			prop.load(in);
			
			applicationTypes = new HashMap<String, String>(prop.keySet().size());
			
			for (Object key : prop.keySet()) {
				String resource = (String) prop.get(key);
				applicationTypes.put((String)key, resource);
			}

		} catch (IOException e) {
			logger.error("An error occurred on read property file "+e, e);
			throw new PropertyFileNotFoundException("An error occurred on read property file "+e);
		}
	}

	@Override
	public String toString() {
		StringBuilder builder = new StringBuilder();
		builder.append("ApplicationTypePropertyReader [applicationTypes=");
		builder.append(applicationTypes);
		builder.append("]");
		return builder.toString();
	}
	
	public Map<String, String> getApplicationTypes() {
		return applicationTypes;
	}
	
	public static void main(String[] args) {
		try {
			ApplicationTypePropertyReader reader = new ApplicationTypePropertyReader();
			System.out.println(reader);
		} catch (PropertyFileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}


}