package org.kuali.incubator;
   
   import org.apache.log4j.Logger;
   
   import java.io.File;
   import java.io.FileInputStream;
   import java.util.Properties;
   
   /**
   * Created by IntelliJ IDEA.
   * User: pvsubrah
   * Date: 4/8/12
   * Time: 12:56 PM
   * To change this template use File | Settings | File Templates.
   */
  public class PropertyUtil {
      private static final Logger LOG = Logger.getLogger(PropertyUtil.class);
      private static PropertyUtil propertyUtil = new PropertyUtil();
      private String OLE_PROPERTIES_FILE_NAME = "env.properties";
      private String environment;
  
      public static PropertyUtil getPropertyUtil() {
          return propertyUtil;
      }
  
      private Properties props;
  
      private PropertyUtil() {
          props = new Properties();
          try {
              props.load(getClass().getResourceAsStream(OLE_PROPERTIES_FILE_NAME));
              String propsDir = System.getProperty("env.properties.home");
              String fileSeparator = System.getProperty("file.separator");
              File userPropsFile = new File(propsDir + fileSeparator + OLE_PROPERTIES_FILE_NAME);
              if (userPropsFile.exists()) {
                  props.load(new FileInputStream(userPropsFile));
              }
          } catch (Exception e) {
              LOG.error("Unable to load the project.properties file" + e.getMessage());
          }
      }
  
      public String getProperty(String key) {
          environment = System.getProperty("app.environment");
          return props.getProperty(environment + "." + key);
      }
  }