/**
* Here we call the command and parse its output
*
* @param menu The menu of the caller.
*/
public void addItemsToMenu(LauncherMenu menu) {
KindleLauncher.LOG.debug("Refreshing the menu");
try {
parseJSONMenu();
} catch (IOException e) {
KindleLauncher.LOG.error(
"Cannot create menu because script <" + getScriptStr() + "> cannot be executed?");
e.printStackTrace();
} catch (ParseException e) {
KindleLauncher.LOG.error(
"Cannot create menu because script <" + getScriptStr() + "> output cannot be parsed.");
e.printStackTrace();
}
super.addItemsToMenu(menu);
}
/**
* Executes the command stored in the object and parses its stdout as JSON stops executing if
* command returned non-zero exit code or non-empty stderr
*
* @throws IOException if there is a problem reading the JSON text
* @throws ParseException if there is a problem parsing the JSON text
*/
public void parseJSONMenu() throws IOException, ParseException {
mMenuItems = new LauncherMenu[] {};
JSONParser parse = new JSONParser();
StringBuffer out = new StringBuffer();
StringBuffer err = new StringBuffer();
String cmd = "/mnt/us/extensions/wdexec.sh " + mExtDir.getAbsolutePath() + " ";
if (mTimeout > 0) {
cmd += "../timeout.sh -t " + mTimeout + " ";
}
cmd += getScriptStr();
int retcode = KindleLauncher.SERVICES.getDeviceService().exec(cmd, out, err);
if (retcode != 0) {
throw new IOException("Script <" + cmd + "> returned non-zero exit code: " + retcode);
}
if (err.length() != 0) {
throw new IOException("Script <" + cmd + "> returned non-emtpy stderr: " + err.toString());
}
KindleLauncher.LOG.debug("Loading JSON from script <" + cmd + "> stdout: " + out.toString());
JSONObject obj = (JSONObject) parse.parse(out.toString());
updateActions(obj);
}
