src/main/java/org/pcmm/PCMMProperties.java

   1 package org.pcmm;
   2
   3 import java.io.IOException;
   4 import java.io.InputStream;
   5 import java.util.Properties;
   6
   7 import org.slf4j.Logger;
   8 import org.slf4j.LoggerFactory;
   9
  10 /**
  11  * Loads the PCMM Properties file.
  12  *
  13  */
  14 public class PCMMProperties implements PCMMConstants {
  15
  16         private static Properties properties;
  17         private static Logger logger = LoggerFactory.getLogger(PCMMProperties.class);
  18
  19         static {
  20                 try {
  21                         InputStream in = PCMMProperties.class.getClassLoader().getResourceAsStream("pcmm.properties");
  22                         properties = new Properties();
  23                         properties.load(in);
  24                         in.close();
  25                 } catch (IOException ie) {
  26                         logger.error(ie.getMessage());
  27                 }
  28         }
  29
  30         protected static String get(String key) {
  31                 return properties.getProperty(key);
  32         }
  33
  34         @SuppressWarnings("unchecked")
  35         public static <T> T get(String key, Class<T> type, Object _default) {
  36                 String prop = get(key);
  37                 if (prop != null && !prop.isEmpty()) {
  38                         if (Boolean.class.isAssignableFrom(type))
  39                                 return (T) Boolean.valueOf(prop);
  40                         else if (Integer.class.isAssignableFrom(type))
  41                                 return (T) Integer.valueOf(prop);
  42                         else if (Short.class.isAssignableFrom(type))
  43                                 return (T) Short.valueOf(prop);
  44                         if (Float.class.isAssignableFrom(type))
  45                                 return (T) Float.valueOf(prop);
  46                         if (Long.class.isAssignableFrom(type))
  47                                 return (T) Long.valueOf(prop);
  48                         if (Double.class.isAssignableFrom(type))
  49                                 return (T) Double.valueOf(prop);
  50                         else if (String.class.isAssignableFrom(type))
  51                                 return (T) prop;
  52                 }
  53                 return (T) _default;
  54         }
  55
  56         public static <T> T get(String key, Class<T> type) {
  57                 return get(key, type, null);
  58         }
  59
  60 }