/**
* 如果为0,则返回默认值
*
* @param originalInt
* @param defaultInt 默认Integer
* @return
*/
public static Integer defaultIfError(String originalStr, Integer defaultInt) {
try {
return Integer.parseInt(StringUtil.trimToEmpty(originalStr));
} catch (Exception e) {
return defaultInt;
}
}
/** 将String 转化成 Integer，如果小于等于0，将抛异常 */
public static Integer exceptionIfSmallerThan0(String originalStr) throws Exception {
try {
int num = Integer.parseInt(StringUtil.trimToEmpty(originalStr));
if (num > 0) return num;
else throw new Exception();
} catch (Exception e) {
throw new Exception(originalStr + " is smaller than 0, or it is a invalid parameter ");
}
}
/**
* Load the *.properties for config
*
* @throws java.io.IOException
*/
public static Properties loadProperty() throws IOException {
String filePathOfProperty =
StringUtil.trimToEmpty(System.getProperty(BaseConstant.SYSTEM_PROPERTY_CONFIG_FILE_PATH));
if (StringUtil.isBlank(filePathOfProperty)) {
throw new FileNotFoundException(
"Please defined,such as -DconfigFilePath=\"W:\\TaoKeeper\\taokeeper\\config\\config-test.properties\"");
}
return FileUtil.readPropertyFile(filePathOfProperty);
}
/**
* 获取当前操作系统的语言
*
* @return 操作系统语言，例如zh（中文），en（英文）
*/
public static String getOSLanguage() {
return StringUtil.trimToEmpty(System.getProperty(USER_LANGYAGE));
}
/**
* 获取当前操作系统名称
*
* @return 操作系统名称，例如windows xp，linux等。
*/
public static String getOSName() {
return StringUtil.trimToEmpty(System.getProperty(OS_NAME)).toLowerCase();
}