org.android.activityminer.logic.util
Class CSVUtils

java.lang.Object
  org.android.activityminer.logic.util.CSVUtils

public class CSVUtils
extends Object

Utility class for data export in CSV format

Constructor Summary

CSVUtils()

Method Summary

static String	asCsvString(String string) Does quote a string to a CSV representation
static String	fromCsvString(String string) Does remove CSV quotes from a string
static String[]	readCSVHeader(BufferedReader reader) Does read the attribute names from an CSV header.
static String[]	readCSVRow(BufferedReader reader) Does read a CSV row into a String array.
static Activity	readCSVRow(BufferedReader reader, String[] attributes, android.support.v4.util.LongSparseArray<String> cNamesPerId) Does generate a training sample from a CSV row entry.
static void	writeCSVHeader(TrainingActivity activity, PrintWriter writer) Does generate a CSV row from a training sample.
static void	writeCSVRow(String[] values, PrintWriter writer) Does generate a CSV file row from a String array.
static void	writeCSVRow(TrainingActivity activity, String activityName, PrintWriter writer) Does generate a CSV header from a training sample.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

CSVUtils

public CSVUtils()

Method Detail

fromCsvString

public static final String fromCsvString(String string)

Does remove CSV quotes from a string

Parameters:

string - the string to convert

Returns:

a string without CSV quotes

asCsvString

public static final String asCsvString(String string)

Does quote a string to a CSV representation

Parameters:

string - the string to convert to a csv string

Returns:

a CSV compatible string

writeCSVRow

public static final void writeCSVRow(String[] values,
                                     PrintWriter writer)

Does generate a CSV file row from a String array.

Parameters:

values - the values to generate CSV row from

writer - the writer to use

readCSVRow

public static final String[] readCSVRow(BufferedReader reader)
                                 throws IOException

Does read a CSV row into a String array.

Parameters:

reader - the reader to use

Returns:

the string values from the CSV row

Throws:

IOException

writeCSVRow

public static final void writeCSVRow(TrainingActivity activity,
                                     String activityName,
                                     PrintWriter writer)

Does generate a CSV header from a training sample.

Parameters:

activity - the training sample to generate CSV header from

activityName - the activity class name

writer - the writer to use

writeCSVHeader

public static final void writeCSVHeader(TrainingActivity activity,
                                        PrintWriter writer)

Does generate a CSV row from a training sample.

Parameters:

activity - the training sample to generate CSV row from

writer - the writer to use

readCSVRow

public static final Activity readCSVRow(BufferedReader reader,
                                        String[] attributes,
                                        android.support.v4.util.LongSparseArray<String> cNamesPerId)
                                 throws IOException

Does generate a training sample from a CSV row entry.

Parameters:

reader - the reader to use

attributes - the attributes from the header

cNamesPerId - the class name to unique class identifier mapping

Returns:

a training activity created from the row

Throws:

IOException

readCSVHeader

public static final String[] readCSVHeader(BufferedReader reader)
                                    throws IOException

Does read the attribute names from an CSV header.

Parameters:

reader - the reader to use

Returns:

the attribute names

Throws:

IOException