public CoordinateReferenceSystem readPrjToCRS() throws IOException {
Resource prj = getPrjFile();
if (prj == null || !Resources.exists(prj)) {
return null;
}
try (InputStream is = prj.in()) {
return CRS.parseWKT(IOUtils.toString(is));
} catch (Exception e) {
throw (IOException) new IOException().initCause(e);
}
}
void initializeDataSource() throws Exception {
Resource monitoringDir = dataDirectory.get("monitoring");
Resource dbprops = monitoringDir.get("db.properties");
if (Resources.exists(dbprops)) {
LOGGER.info("Configuring monitoring database from: " + dbprops.path());
// attempt to configure
try {
configureDataSource(dbprops, monitoringDir);
} catch (SQLException e) {
// configure failed, try db1.properties
dbprops = monitoringDir.get("db1.properties");
if (Resources.exists(dbprops)) {
try {
configureDataSource(dbprops, monitoringDir);
// secondary file worked, return
return;
} catch (SQLException e1) {
// secondary file failed as well, try for third
dbprops = monitoringDir.get("db2.properties");
if (Resources.exists(dbprops)) {
try {
configureDataSource(dbprops, monitoringDir);
// third file worked, return
return;
} catch (SQLException e2) {
}
}
}
}
throw e;
}
} else {
// no db.properties file, use internal default
configureDataSource(null, monitoringDir);
}
}
/**
* Check for the existence of the file, if the file exists do nothing.
*
* <p>If the file does not exist, check for a template file contained in the jar with the same
* name, if found, use it.
*
* <p>If no template was found, use the default template
*
* @param fileName target location
* @param namedRoot parent dir if fileName is relative
* @param defaultResource the standard template
* @throws IOException
* @return the file to use
*/
protected Resource checkORCreateJDBCPropertyFile(
String fileName, Resource namedRoot, String defaultResource) throws IOException {
Resource resource;
fileName = fileName != null ? fileName : defaultResource;
File file = new File(fileName);
if (file.isAbsolute()) {
resource = Files.asResource(file);
} else {
resource = namedRoot.get(fileName);
}
if (Resources.exists(resource)) {
return resource; // we are happy
}
// try to find a template with the same name
InputStream is = this.getClass().getResourceAsStream(fileName);
if (is != null) IOUtils.copy(is, resource.out());
else // use the default template
FileUtils.copyURLToFile(getClass().getResource(defaultResource), file);
return resource;
}