private static String remapURL(String url) {
// 比如System.setProperty("h2.urlMap", "E:/H2/my-h2/my-h2-src/my/test/h2.urlMap.properties");
// 假设url="my.url"，那么可以在h2.urlMap.properties中重新映射:
// my.url=my.url=jdbc:h2:tcp://localhost:9092/test9
// 最后返回的url实际是jdbc:h2:tcp://localhost:9092/test9
String urlMap = SysProperties.URL_MAP;
if (urlMap != null && urlMap.length() > 0) {
try {
SortedProperties prop;
prop = SortedProperties.loadProperties(urlMap);
String url2 = prop.getProperty(url);
if (url2 == null) {
prop.put(url, "");
prop.store(urlMap);
} else {
url2 = url2.trim();
if (url2.length() > 0) {
return url2;
}
}
} catch (IOException e) {
throw DbException.convert(e);
}
}
return url;
}
/**
* Convert a String to a map.
*
* @param s the string
* @return the map
*/
public static SortedProperties fromLines(String s) {
SortedProperties p = new SortedProperties();
for (String line : StringUtils.arraySplit(s, '\n', true)) {
int idx = line.indexOf('=');
if (idx > 0) {
p.put(line.substring(0, idx), line.substring(idx + 1));
}
}
return p;
}
/**
* Load a properties object from a file.
*
* @param fileName the name of the properties file
* @return the properties object
*/
public static synchronized SortedProperties loadProperties(String fileName) throws IOException {
SortedProperties prop = new SortedProperties();
if (IOUtils.exists(fileName)) {
InputStream in = null;
try {
in = IOUtils.openFileInputStream(fileName);
prop.load(in);
} finally {
if (in != null) {
in.close();
}
}
}
return prop;
}