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ConfigStore: Add a rename method and implement it

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Signed-off-by: Samuel Holland <samuel@sholland.org>
This commit is contained in:
Samuel Holland 2018-01-10 00:01:31 -06:00
parent 5ce7eba2bf
commit 951afaa9b2
2 changed files with 19 additions and 0 deletions
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8
app/src/main/java/com/wireguard/android/configStore/ConfigStore.java
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@ -42,6 +42,14 @@ public interface ConfigStore {
*/ */
Config load(final String name) throws Exception; Config load(final String name) throws Exception;
/**
* Rename the configuration for the tunnel given by {@code name}.
*
* @param name The identifier for the existing configuration in persistent storage.
* @param replacement The new identifier for the configuration in persistent storage.
*/
void rename(String name, String replacement) throws Exception;
/** /**
* Save the configuration for an existing tunnel given by {@code name}. * Save the configuration for an existing tunnel given by {@code name}.
* *

11
app/src/main/java/com/wireguard/android/configStore/FileConfigStore.java
View File

@ -69,6 +69,17 @@ public final class FileConfigStore implements ConfigStore {
} }
} }
@Override
public void rename(final String name, final String replacement) throws IOException {
Log.d(TAG, "Renaming configuration for tunnel " + name + " to " + replacement);
final File file = fileFor(name);
final File replacementFile = fileFor(replacement);
if (!replacementFile.createNewFile())
throw new IOException("Configuration for " + replacement + " already exists");
if (!file.renameTo(replacementFile))
throw new IOException("Cannot rename configuration file " + file.getName());
}
@Override @Override
public Config save(final String name, final Config config) throws IOException { public Config save(final String name, final Config config) throws IOException {
Log.d(TAG, "Saving configuration for tunnel " + name); Log.d(TAG, "Saving configuration for tunnel " + name);