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;
}
/**
* Store a properties file. The header and the date is not written.
*
* @param fileName the target file name
*/
public synchronized void store(String fileName) throws IOException {
ByteArrayOutputStream out = new ByteArrayOutputStream();
store(out, null);
ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray());
InputStreamReader reader = new InputStreamReader(in, "ISO8859-1");
LineNumberReader r = new LineNumberReader(reader);
Writer w;
try {
w = new OutputStreamWriter(IOUtils.openFileOutputStream(fileName, false));
} catch (Exception e) {
throw DbException.convertToIOException(e);
}
PrintWriter writer = new PrintWriter(new BufferedWriter(w));
while (true) {
String line = r.readLine();
if (line == null) {
break;
}
if (!line.startsWith("#")) {
writer.print(line + "\n");
}
}
writer.close();
}
