private void patchConfiguration() throws IOException {
message("Patching configuration config/config.ldif...");
InputStream defaultCurrentConfig = null;
InputStream defaultNewConfig = null;
InputStream currentConfig = null;
OutputStream newCurrentConfig = null;
try {
defaultCurrentConfig =
new FileInputStream(installRoot + "/" + "config/upgrade/config.ldif." + currentVersion);
defaultNewConfig =
new FileInputStream(installRoot + "/" + "config/upgrade/config.ldif." + newVersion);
currentConfig = new FileInputStream(getBackupFileName("config/config.ldif"));
newCurrentConfig = new FileOutputStream(installRoot + "/" + "config/config.ldif");
final LDIFEntryReader defaultCurrentConfigReader = new LDIFEntryReader(defaultCurrentConfig);
final LDIFEntryReader defaultNewConfigReader = new LDIFEntryReader(defaultNewConfig);
final LDIFEntryReader currentConfigReader = new LDIFEntryReader(currentConfig);
final LDIFEntryWriter newConfigWriter = new LDIFEntryWriter(newCurrentConfig);
LDIF.copyTo(
LDIF.patch(
currentConfigReader, LDIF.diff(defaultCurrentConfigReader, defaultNewConfigReader)),
newConfigWriter);
newConfigWriter.flush();
message("done");
} catch (final IOException ioe) {
message("failed: " + ioe.getMessage());
throw ioe;
} finally {
closeIfNotNull(newCurrentConfig);
closeIfNotNull(currentConfig);
closeIfNotNull(defaultNewConfig);
closeIfNotNull(defaultCurrentConfig);
}
}
