/**
* startLogger initializes and returns a file at logLoc with the results of logging at level
* logLevel.
*
* @param logLoc location of the output log file- a string
* @param logLevel logging level (is parsed by level.parse())
* @return Logger object to log to.
*/
public Logger startLogger(String logLoc, String logLevel) {
try {
fh = new FileHandler(logLoc); // sets output log file at logLoc
} catch (SecurityException e) {
e.printStackTrace();
System.err.println("SecurityException establishing logger. Exiting...\n");
System.exit(1);
} catch (IOException e) {
e.printStackTrace();
System.err.println("IOException establishing logger. Exiting...\n");
System.exit(1);
}
fh.setFormatter(new SimpleFormatter()); // format of log is 'human-readable' simpleformat
logger.addHandler(fh); // attach formatter to logger
logger.setLevel(Level.parse(logLevel)); // set log level
return logger;
}
// TODO add exception for invalid options
private void loadCLO(String[] args) {
Options options = new Options();
String[][] clolist = {
// {"variable/optionname", "description"},
{"genConfig", "general configuration file location"},
{"inWeightsLoc", "input weights configuration file location"},
{"inDBLoc", "input database file location"},
{"outWeightsLoc", "output weights configuration file location"},
{"outDBLoc", "output database file location"},
{"p3pLocation", "adding to DB: single policy file location"},
{"p3pDirLocation", "adding to DB: multiple policy directory location"},
{"newDB", "create new database in place of old one (doesn't check for existence of old one"},
{"newPolicyLoc", "the policy object to process"},
{"userResponse", "response to specified policy"},
{"userIO", "user interface"},
{"userInit", "initialization via user interface"},
{"policyDB", "PolicyDatabase backend"},
{"cbrV", "CBR to use"},
{"blanketAccept", "automatically accept the user suggestion"},
{"loglevel", "level of things save to the log- see java logging details"},
{"policyDB", "PolicyDatabase backend"},
{"NetworkRType", "Network Resource type"},
{"NetworkROptions", "Network Resource options"},
{"confidenceLevel", "Confidence threshold for consulting a networked resource"},
{"useNet", "use networking options"},
{"loglocation", "where to save the log file"},
{"loglevel", "the java logging level to use. See online documentation for enums."}
};
for (String[] i : clolist) {
options.addOption(i[0], true, i[1]);
}
CommandLineParser parser = new PosixParser();
CommandLine cmd = null;
try {
cmd = parser.parse(options, args);
} catch (ParseException e) {
System.err.println("Error parsing commandline arguments.");
e.printStackTrace();
System.exit(3);
}
/*
for(String i : args)
{
System.err.println(i);
}
*/
for (String[] i : clolist) {
if (cmd.hasOption(i[0])) {
System.err.println("found option i: " + i);
genProps.setProperty(i[0], cmd.getOptionValue(i[0]));
}
}
System.err.println(genProps);
}
/**
* returns the policy object from the policyObject option
*
* @return the policy object to be processed
*/
public void loadPO() {
if (genProps.getProperty("newPolicyLoc", null) == null)
System.err.println("newPolLoc == null in gio:loadPO");
File pLoc = new File(genProps.getProperty("newPolicyLoc", null));
if (!pLoc.exists()) {
System.err.println("no file found at p3p policy location specified by the new policy option");
System.exit(1);
}
po = (new P3PParser()).parse(pLoc.getAbsolutePath());
// TODO make sure that the context is parsed if avaliable
if (po.getContext().getDomain() == null) {
po.setContext(
new Context(
new Date(System.currentTimeMillis()),
new Date(System.currentTimeMillis()),
genProps.getProperty("newPolicyLoc")));
}
}
/**
* writes a property file to disk
*
* @param wprops the property file to write
* @param wloc where to write to
*/
private void writePropertyFile(Properties wprops, String wloc) {
if (wprops == null) System.out.println("wrops null in gio/writepropertyfile");
if (wloc == null) System.out.println("wloc null in gio/writepropertyfile");
try {
wprops.store(new FileOutputStream(wloc), null);
} catch (IOException e) {
System.err.println("Error writing weights to file.");
e.printStackTrace();
System.exit(3);
}
}
/**
* converts a string into a valid CBR
*
* @param string the string to parse
* @return the CBR to use
* @throws Exception
*/
private CBR parseCBR(String string) throws Exception {
try {
return (string == null) ? (null) : (new CBR(this)).parse(string);
} catch (Exception e) {
System.err.println("error parsing CBR, exiting.");
e.printStackTrace();
System.exit(5);
return null;
}
}
// TODO add exception for invalid options
public Properties loadFromConfig(String fileLoc) {
Properties configFile = new Properties();
try {
File localConfig = new File(fileLoc);
InputStream is = null;
if (localConfig.exists()) {
is = new FileInputStream(localConfig);
} else {
System.err.println(
"No configuration file at " + fileLoc + ". Please place one in the working directory.");
System.exit(3);
}
configFile.load(is);
} catch (IOException e) {
e.printStackTrace();
System.err.println("IOException reading first configuration file. Exiting...\n");
System.exit(1);
}
return configFile;
}
/** loads [additional] policies from commandline (either -p or -f) */
private void loadCLPolicies() {
// we already checked to make sure we have one of the options avaliable
File pLoc = null;
PolicyObject p = null;
if (genProps.getProperty("p3pLocation", null) != null) {
pLoc = new File(genProps.getProperty("p3pLocation"));
if (!pLoc.exists()) {
System.err.println(
"no file found at p3p policy location specified by the -p3p option: "
+ genProps.getProperty("p3pLocation"));
System.err.println("current location is " + System.getProperty("user.dir"));
System.exit(1);
}
try {
p = (new P3PParser()).parse(pLoc.getAbsolutePath());
if (p.getContextDomain() == null) {
p.setContext(
new Context(
new Date(System.currentTimeMillis()),
new Date(System.currentTimeMillis()),
genProps.getProperty("p3pLocation")));
}
pdb.addPolicy(p);
} catch (Exception e) {
System.err.println("Error with parsing or database");
e.printStackTrace();
// System.exit(5);
}
}
if (genProps.getProperty("p3pDirLocation", null) != null) {
pLoc = new File(genProps.getProperty("p3pDirLocation"));
File[] pfiles = pLoc.listFiles();
// System.err.println("pfiles for p3pDirLocation: "+pfiles);
for (int i = 0; i < pfiles.length; i++) {
pLoc = (pfiles[i]);
if (!pLoc.exists()) {
System.err.println(
"no file found at p3p policy location specified by the -p3pDirLocation option, "
+ genProps.getProperty("p3pDirLocation"));
System.exit(1);
}
try {
p = (new P3PParser()).parse(pLoc.getAbsolutePath());
if (p.getContext().getDomain() == null) {
p.setContext(
new Context(
new Date(System.currentTimeMillis()),
new Date(System.currentTimeMillis()),
pfiles[i].getAbsolutePath()));
}
pdb.addPolicy(p);
} catch (Exception e) {
System.err.println("Einar needs to fix this parsing error.");
e.printStackTrace();
}
}
}
}