/**
* get the value in the config.properties
*
* @param key
* @return
* @throws Exception
*/
public synchronized String getValue(String key) {
Properties properties = new Properties();
String value = null;
try {
String filePath = getClass().getClassLoader().getResource(file).getPath();
File configFile = new File(filePath);
if (configFile.exists()) {
logger.info("config file Path:" + filePath);
FileInputStream fis = new FileInputStream(new File(filePath));
properties.load(fis);
fis.close();
} else {
properties.load(this.getClass().getClassLoader().getResourceAsStream(file));
}
value = (String) properties.get(key);
} catch (FileNotFoundException e) {
logger.error(key + " value cant find in " + file);
} catch (IOException e) {
logger.error(file + " config file io exception");
} catch (Exception e) {
logger.error(file + " config file get value error !");
} finally {
if (value == null) {
logger.info(
"can't get the right value of " + key + " from " + file + " , you will get null .");
}
}
return value;
}
public static Object byteArraytoObject(byte[] bytes) throws Exception {
Object o = null;
try {
ByteArrayInputStream in = new ByteArrayInputStream(bytes);
ObjectInputStream oin;
oin = new ObjectInputStream(in);
o = oin.readObject();
oin.close();
in.close();
} catch (Exception e) {
logger.error("can't covert these bytes to Object, please check the input !");
throw e;
}
return o;
}
public static byte[] getBytes(Object obj) throws Exception {
byte[] arr = null;
try {
ByteArrayOutputStream bout = new ByteArrayOutputStream();
ObjectOutputStream out = new ObjectOutputStream(bout);
out.writeObject(obj);
out.flush();
arr = bout.toByteArray();
out.close();
bout.close();
} catch (Exception e) {
logger.error("can't covert this Object to bytes, please check the input !");
throw e;
}
return arr;
}
