mirror of
https://github.com/purplecabbage/phonegap-plugins.git
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Add Globalization Plugin for Android.
This commit is contained in:
Bryce Curtis
488
Android/Globalization/GlobalizationCommand.java
Executable file
488
Android/Globalization/GlobalizationCommand.java
Executable file
@@ -0,0 +1,488 @@
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/**
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*
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*/
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package com.phonegap.plugins.globalization;
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import org.json.JSONArray;
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import org.json.JSONException;
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import org.json.JSONObject;
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import android.text.format.Time;
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import com.phonegap.api.Plugin;
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import com.phonegap.api.PluginResult;
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import java.text.DateFormat;
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import java.text.DateFormatSymbols;
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import java.text.DecimalFormat;
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import java.text.SimpleDateFormat;
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import java.util.Calendar;
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import java.util.Currency;
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import java.util.Date;
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import java.util.TimeZone;
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import java.util.Locale;
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/**
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*
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*/
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public class GlobalizationCommand extends Plugin {
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@Override
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public PluginResult execute(String action, JSONArray data, String callbackId) {
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PluginResult.Status status = PluginResult.Status.OK;
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JSONObject obj = new JSONObject();
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try{
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if (action.equals(Resources.GETLOCALENAME)){
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obj = getLocaleName();
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return new PluginResult(status, obj);
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}else if(action.equalsIgnoreCase(Resources.DATETOSTRING)){
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obj = getDateToString(data);
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return new PluginResult(PluginResult.Status.OK, obj);
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}else if(action.equalsIgnoreCase(Resources.STRINGTODATE)){
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obj = getStringtoDate(data);
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return new PluginResult(PluginResult.Status.OK, obj);
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}else if(action.equalsIgnoreCase(Resources.GETDATEPATTERN)){
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obj = getDatePattern(data);
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return new PluginResult(PluginResult.Status.OK, obj);
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}else if(action.equalsIgnoreCase(Resources.GETDATENAMES)){
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obj = getDateNames(data);
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return new PluginResult(PluginResult.Status.OK, obj);
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}else if(action.equalsIgnoreCase(Resources.ISDAYLIGHTSAVINGSTIME)){
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obj = getIsDayLightSavingsTime(data);
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return new PluginResult(PluginResult.Status.OK, obj);
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}else if(action.equalsIgnoreCase(Resources.GETFIRSTDAYOFWEEK)){
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obj = getFirstDayOfWeek(data);
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return new PluginResult(PluginResult.Status.OK, obj);
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}else if(action.equalsIgnoreCase(Resources.NUMBERTOSTRING)){
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obj = getNumberToString(data);
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return new PluginResult(PluginResult.Status.OK, obj);
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}else if(action.equalsIgnoreCase(Resources.STRINGTONUMBER)){
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obj = getStringToNumber(data);
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return new PluginResult(PluginResult.Status.OK, obj);
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}else if(action.equalsIgnoreCase(Resources.GETNUMBERPATTERN)){
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obj = getNumberPattern(data);
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return new PluginResult(PluginResult.Status.OK, obj);
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}else if(action.equalsIgnoreCase(Resources.GETCURRENCYPATTERN)){
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obj = getCurrencyPattern(data);
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return new PluginResult(PluginResult.Status.OK, obj);
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}
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}catch (GlobalizationError ge){
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return new PluginResult(PluginResult.Status.ERROR, ge.getErrorCode());
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}catch (Exception e){
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return new PluginResult(PluginResult.Status.JSON_EXCEPTION);
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}
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return new PluginResult(PluginResult.Status.INVALID_ACTION);
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}
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/*
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* @Description: Returns the string identifier for the client's current locale setting
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*
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* @Return: JSONObject
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* Object.value {String}: The locale identifier
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*
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* @throws: GlobalizationError.UNKNOWN_ERROR
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*/
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private JSONObject getLocaleName() throws GlobalizationError{
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JSONObject obj = new JSONObject();
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String value = null;
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try{
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value = Locale.getDefault().getDisplayName(); //get the locale from the Android Device
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obj.put("value",value);
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return obj;
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}catch(Exception e){
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throw new GlobalizationError(GlobalizationError.UNKNOWN_ERROR);
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}
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}
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/*
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* @Description: Returns a date formatted as a string according to the client's user preferences and
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* calendar using the time zone of the client.
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*
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* @Return: JSONObject
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* Object.value {String}: The localized date string
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*
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* @throws: GlobalizationError.FORMATTING_ERROR
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*/
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private JSONObject getDateToString(JSONArray options) throws GlobalizationError{
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JSONObject obj = new JSONObject();
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try{
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Date date = new Date((Long)options.getJSONObject(0).get(Resources.DATE));
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//get formatting pattern from android device (Will only have device specific formatting for short form of date) or options supplied
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JSONObject datePattern = getDatePattern(options);
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SimpleDateFormat fmt = new SimpleDateFormat(datePattern.getString("pattern"));
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//return formatted date
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return obj.put("value",fmt.format(date));
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}catch(Exception ge){
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throw new GlobalizationError(GlobalizationError.FORMATTING_ERROR);
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}
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}
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/*
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* @Description: Parses a date formatted as a string according to the client's user
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* preferences and calendar using the time zone of the client and returns
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* the corresponding date object
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* @Return: JSONObject
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* Object.year {Number}: The four digit year
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* Object.month {Number}: The month from (0 - 11)
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* Object.day {Number}: The day from (1 - 31)
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* Object.hour {Number}: The hour from (0 - 23)
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* Object.minute {Number}: The minute from (0 - 59)
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* Object.second {Number}: The second from (0 - 59)
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* Object.millisecond {Number}: The milliseconds (from 0 - 999), not available on all platforms
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*
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* @throws: GlobalizationError.PARSING_ERROR
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*/
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private JSONObject getStringtoDate(JSONArray options)throws GlobalizationError{
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JSONObject obj = new JSONObject();
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Date date;
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try{
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//get format pattern from android device (Will only have device specific formatting for short form of date) or options supplied
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DateFormat fmt = new SimpleDateFormat(getDatePattern(options).getString("pattern"));
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//attempt parsing string based on user preferences
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date = fmt.parse(options.getJSONObject(0).get(Resources.DATESTRING).toString());
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//set Android Time object
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Time time = new Time();
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time.set(date.getTime());
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//return properties;
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obj.put("year", time.year);
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obj.put("month", time.month);
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obj.put("day", time.monthDay);
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obj.put("hour", time.hour);
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obj.put("minute", time.minute);
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obj.put("second", time.second);
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obj.put("millisecond", new Long(0));
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return obj;
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}catch(Exception ge){
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throw new GlobalizationError(GlobalizationError.PARSING_ERROR);
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}
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}
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/*
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* @Description: Returns a pattern string for formatting and parsing dates according to the client's
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* user preferences.
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* @Return: JSONObject
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*
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* Object.pattern {String}: The date and time pattern for formatting and parsing dates.
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* The patterns follow Unicode Technical Standard #35
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* http://unicode.org/reports/tr35/tr35-4.html
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* Object.timezone {String}: The abbreviated name of the time zone on the client
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* Object.utc_offset {Number}: The current difference in seconds between the client's
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* time zone and coordinated universal time.
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* Object.dst_offset {Number}: The current daylight saving time offset in seconds
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* between the client's non-daylight saving's time zone
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* and the client's daylight saving's time zone.
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*
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* @throws: GlobalizationError.PATTERN_ERROR
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*/
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private JSONObject getDatePattern(JSONArray options) throws GlobalizationError{
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JSONObject obj = new JSONObject();
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try{
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SimpleDateFormat fmtDate = (SimpleDateFormat)android.text.format.DateFormat.getDateFormat(this.ctx); //default user preference for date
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SimpleDateFormat fmtTime = (SimpleDateFormat)android.text.format.DateFormat.getTimeFormat(this.ctx); //default user preference for time
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String fmt = fmtDate.toLocalizedPattern() + " " + fmtTime.toLocalizedPattern(); //default SHORT date/time format. ex. dd/MM/yyyy h:mm a
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//get Date value + options (if available)
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if (options.getJSONObject(0).length() > 1){
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//options were included
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//get formatLength option
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if (!((JSONObject)options.getJSONObject(0).get(Resources.OPTIONS)).isNull(Resources.FORMATLENGTH)){
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String fmtOpt = (String)((JSONObject)options.getJSONObject(0).get(Resources.OPTIONS)).get(Resources.FORMATLENGTH);
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if (fmtOpt.equalsIgnoreCase(Resources.MEDIUM)){//medium
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fmtDate = (SimpleDateFormat)android.text.format.DateFormat.getMediumDateFormat(this.ctx);
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}else if (fmtOpt.equalsIgnoreCase(Resources.LONG) || fmtOpt.equalsIgnoreCase(Resources.FULL)){ //long/full
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fmtDate = (SimpleDateFormat)android.text.format.DateFormat.getLongDateFormat(this.ctx);
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}
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}
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//return pattern type
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fmt = fmtDate.toLocalizedPattern() + " " + fmtTime.toLocalizedPattern();
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if (!((JSONObject)options.getJSONObject(0).get(Resources.OPTIONS)).isNull(Resources.SELECTOR)){
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String selOpt = (String)((JSONObject)options.getJSONObject(0).get(Resources.OPTIONS)).get(Resources.SELECTOR);
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if (selOpt.equalsIgnoreCase(Resources.DATE)){
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fmt = fmtDate.toLocalizedPattern();
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}else if (selOpt.equalsIgnoreCase(Resources.TIME)){
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fmt = fmtTime.toLocalizedPattern();
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}
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}
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}
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//TimeZone from users device
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//TimeZone tz = Calendar.getInstance(Locale.getDefault()).getTimeZone(); //substitute method
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TimeZone tz = TimeZone.getTimeZone(Time.getCurrentTimezone());
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obj.put("pattern", fmt);
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obj.put("timezone", tz.getDisplayName(tz.inDaylightTime(Calendar.getInstance().getTime()),TimeZone.SHORT));
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obj.put("utc_offset", tz.getRawOffset()/1000);
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obj.put("dst_offset", tz.getDSTSavings()/1000);
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return obj;
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}catch(Exception ge){
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throw new GlobalizationError(GlobalizationError.PATTERN_ERROR);
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}
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}
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/*
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* @Description: Returns an array of either the names of the months or days of the week
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* according to the client's user preferences and calendar
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* @Return: JSONObject
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* Object.value {Array{String}}: The array of names starting from either
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* the first month in the year or the
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* first day of the week.
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*
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* @throws: GlobalizationError.UNKNOWN_ERROR
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*/
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private JSONObject getDateNames(JSONArray options) throws GlobalizationError{
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JSONObject obj = new JSONObject();
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//String[] value;
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JSONArray value = new JSONArray();
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String[] list;
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try{
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SimpleDateFormat s = (SimpleDateFormat)android.text.format.DateFormat.getDateFormat(this.ctx);
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DateFormatSymbols ds = s.getDateFormatSymbols();
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int type = 0; //default wide
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int item = 0; //default months
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//get options if available
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if (options.getJSONObject(0).length() > 0){
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//get type if available
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if (!((JSONObject)options.getJSONObject(0).get(Resources.OPTIONS)).isNull(Resources.TYPE)){
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String t = (String)((JSONObject)options.getJSONObject(0).get(Resources.OPTIONS)).get(Resources.TYPE);
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if (t.equalsIgnoreCase(Resources.NARROW)){type++;} //DateUtils.LENGTH_MEDIUM
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}
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//get item if available
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if (!((JSONObject)options.getJSONObject(0).get(Resources.OPTIONS)).isNull(Resources.ITEM)){
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String t = (String)((JSONObject)options.getJSONObject(0).get(Resources.OPTIONS)).get(Resources.ITEM);
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if (t.equalsIgnoreCase(Resources.DAYS)){item += 10;} //Days of week start at 1
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}
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}
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//determine return value
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int method = item + type;
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if (method == 1){list = ds.getShortMonths();}//months and narrow
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else if (method == 10){list = ds.getWeekdays();}//days and wide
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else if (method == 11){list = ds.getShortWeekdays();}//days and narrow
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else{list = ds.getMonths();}//default: months and wide
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//convert String[] into JSONArray of String objects
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for (int i = 0; i < list.length; i ++){
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value.put(list[i]);
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}
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//return array of names
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return obj.put("value", value);
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}catch(Exception ge){
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throw new GlobalizationError(GlobalizationError.UNKNOWN_ERROR);
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}
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}
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/*
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* @Description: Returns whether daylight savings time is in effect for a given date using the client's
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* time zone and calendar.
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* @Return: JSONObject
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* Object.dst {Boolean}: The value "true" indicates that daylight savings time is
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* in effect for the given date and "false" indicate that it is not. *
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*
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* @throws: GlobalizationError.UNKNOWN_ERROR
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*/
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private JSONObject getIsDayLightSavingsTime(JSONArray options) throws GlobalizationError{
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JSONObject obj = new JSONObject();
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boolean dst = false;
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try{
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Date date = new Date((Long)options.getJSONObject(0).get(Resources.DATE));
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//TimeZone tz = Calendar.getInstance(Locale.getDefault()).getTimeZone();
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TimeZone tz = TimeZone.getTimeZone(Time.getCurrentTimezone());
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dst = tz.inDaylightTime(date); //get daylight savings data from date object and user timezone settings
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return obj.put("dst",dst);
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}catch(Exception ge){
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throw new GlobalizationError(GlobalizationError.UNKNOWN_ERROR);
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}
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}
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/*
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* @Description: Returns the first day of the week according to the client's user preferences and calendar.
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* The days of the week are numbered starting from 1 where 1 is considered to be Sunday.
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* @Return: JSONObject
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* Object.value {Number}: The number of the first day of the week.
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*
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* @throws: GlobalizationError.UNKNOWN_ERROR
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*/
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private JSONObject getFirstDayOfWeek(JSONArray options) throws GlobalizationError{
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JSONObject obj = new JSONObject();
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try{
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int value = Calendar.getInstance(Locale.getDefault()).getFirstDayOfWeek(); //get first day of week based on user locale settings
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return obj.put("value", value);
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}catch(Exception ge){
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throw new GlobalizationError(GlobalizationError.UNKNOWN_ERROR);
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}
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}
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/*
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* @Description: Returns a number formatted as a string according to the client's user preferences.
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* @Return: JSONObject
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* Object.value {String}: The formatted number string.
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*
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* @throws: GlobalizationError.FORMATTING_ERROR
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*/
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private JSONObject getNumberToString(JSONArray options) throws GlobalizationError{
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JSONObject obj = new JSONObject();
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String value = "";
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try{
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DecimalFormat fmt = getNumberFormatInstance(options);//returns Decimal/Currency/Percent instance
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value = fmt.format(options.getJSONObject(0).get(Resources.NUMBER));
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return obj.put("value", value);
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}catch(Exception ge){
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throw new GlobalizationError(GlobalizationError.FORMATTING_ERROR);
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}
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}
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/*
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* @Description: Parses a number formatted as a string according to the client's user preferences and
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* returns the corresponding number.
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* @Return: JSONObject
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* Object.value {Number}: The parsed number.
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*
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* @throws: GlobalizationError.PARSING_ERROR
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*/
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private JSONObject getStringToNumber(JSONArray options) throws GlobalizationError{
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JSONObject obj = new JSONObject();
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Number value;
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try{
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DecimalFormat fmt = getNumberFormatInstance(options); //returns Decimal/Currency/Percent instance
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value = fmt.parse((String)options.getJSONObject(0).get(Resources.NUMBERSTRING));
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return obj.put("value", value);
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}catch(Exception ge){
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throw new GlobalizationError(GlobalizationError.PARSING_ERROR);
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}
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}
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/*
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* @Description: Returns a pattern string for formatting and parsing numbers according to the client's user
|
||||
* preferences.
|
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* @Return: JSONObject
|
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* Object.pattern {String}: The number pattern for formatting and parsing numbers.
|
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* The patterns follow Unicode Technical Standard #35.
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* http://unicode.org/reports/tr35/tr35-4.html
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* Object.symbol {String}: The symbol to be used when formatting and parsing
|
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* e.g., percent or currency symbol.
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* Object.fraction {Number}: The number of fractional digits to use when parsing and
|
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* formatting numbers.
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* Object.rounding {Number}: The rounding increment to use when parsing and formatting.
|
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* Object.positive {String}: The symbol to use for positive numbers when parsing and formatting.
|
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* Object.negative: {String}: The symbol to use for negative numbers when parsing and formatting.
|
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* Object.decimal: {String}: The decimal symbol to use for parsing and formatting.
|
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* Object.grouping: {String}: The grouping symbol to use for parsing and formatting.
|
||||
*
|
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* @throws: GlobalizationError.PATTERN_ERROR
|
||||
*/
|
||||
private JSONObject getNumberPattern(JSONArray options) throws GlobalizationError{
|
||||
JSONObject obj = new JSONObject();
|
||||
try{
|
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//uses java.text.DecimalFormat to format value
|
||||
DecimalFormat fmt = (DecimalFormat) DecimalFormat.getInstance(Locale.getDefault()); //default format
|
||||
String symbol = String.valueOf(fmt.getDecimalFormatSymbols().getDecimalSeparator());
|
||||
//get Date value + options (if available)
|
||||
if (options.getJSONObject(0).length() > 0){
|
||||
//options were included
|
||||
if (!((JSONObject)options.getJSONObject(0).get(Resources.OPTIONS)).isNull(Resources.TYPE)){
|
||||
String fmtOpt = (String)((JSONObject)options.getJSONObject(0).get(Resources.OPTIONS)).get(Resources.TYPE);
|
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if (fmtOpt.equalsIgnoreCase(Resources.CURRENCY)){
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fmt = (DecimalFormat) DecimalFormat.getCurrencyInstance(Locale.getDefault());
|
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symbol = fmt.getDecimalFormatSymbols().getCurrencySymbol();
|
||||
}else if(fmtOpt.equalsIgnoreCase(Resources.PERCENT)){
|
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fmt = (DecimalFormat) DecimalFormat.getPercentInstance(Locale.getDefault());
|
||||
symbol = String.valueOf(fmt.getDecimalFormatSymbols().getPercent());
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
//return properties
|
||||
obj.put("pattern", fmt.toPattern());
|
||||
obj.put("symbol", symbol);
|
||||
obj.put("fraction", fmt.getMinimumFractionDigits());
|
||||
obj.put("rounding", new Integer(0));
|
||||
obj.put("positive", fmt.getPositivePrefix());
|
||||
obj.put("negative", fmt.getNegativePrefix());
|
||||
obj.put("decimal", String.valueOf(fmt.getDecimalFormatSymbols().getDecimalSeparator()));
|
||||
obj.put("grouping", String.valueOf(fmt.getDecimalFormatSymbols().getGroupingSeparator()));
|
||||
|
||||
return obj;
|
||||
}catch(Exception ge){
|
||||
throw new GlobalizationError(GlobalizationError.PATTERN_ERROR);
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* @Description: Returns a pattern string for formatting and parsing currency values according to the client's
|
||||
* user preferences and ISO 4217 currency code.
|
||||
* @Return: JSONObject
|
||||
* Object.pattern {String}: The currency pattern for formatting and parsing currency values.
|
||||
* The patterns follow Unicode Technical Standard #35
|
||||
* http://unicode.org/reports/tr35/tr35-4.html
|
||||
* Object.code {String}: The ISO 4217 currency code for the pattern.
|
||||
* Object.fraction {Number}: The number of fractional digits to use when parsing and
|
||||
* formatting currency.
|
||||
* Object.rounding {Number}: The rounding increment to use when parsing and formatting.
|
||||
* Object.decimal: {String}: The decimal symbol to use for parsing and formatting.
|
||||
* Object.grouping: {String}: The grouping symbol to use for parsing and formatting.
|
||||
*
|
||||
* @throws: GlobalizationError.FORMATTING_ERROR
|
||||
*/
|
||||
private JSONObject getCurrencyPattern(JSONArray options) throws GlobalizationError{
|
||||
JSONObject obj = new JSONObject();
|
||||
try{
|
||||
//get ISO 4217 currency code
|
||||
String code = options.getJSONObject(0).getString(Resources.CURRENCYCODE);
|
||||
|
||||
//uses java.text.DecimalFormat to format value
|
||||
DecimalFormat fmt = (DecimalFormat) DecimalFormat.getCurrencyInstance(Locale.getDefault());
|
||||
|
||||
//set currency format
|
||||
Currency currency = Currency.getInstance(code);
|
||||
fmt.setCurrency(currency);
|
||||
|
||||
//return properties
|
||||
obj.put("pattern", fmt.toPattern());
|
||||
obj.put("code", currency.getCurrencyCode());
|
||||
obj.put("fraction", fmt.getMinimumFractionDigits());
|
||||
obj.put("rounding", new Integer(0));
|
||||
obj.put("decimal", String.valueOf(fmt.getDecimalFormatSymbols().getDecimalSeparator()));
|
||||
obj.put("grouping", String.valueOf(fmt.getDecimalFormatSymbols().getGroupingSeparator()));
|
||||
|
||||
return obj;
|
||||
}catch(Exception ge){
|
||||
throw new GlobalizationError(GlobalizationError.FORMATTING_ERROR);
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* @Description: Parses a JSONArray from user options and returns the correct Instance of Decimal/Percent/Currency.
|
||||
* @Return: DecimalFormat : The Instance to use.
|
||||
*
|
||||
* @throws: JSONException
|
||||
*/
|
||||
private DecimalFormat getNumberFormatInstance(JSONArray options) throws JSONException{
|
||||
DecimalFormat fmt = (DecimalFormat)DecimalFormat.getInstance(Locale.getDefault()); //default format
|
||||
try{
|
||||
if (options.getJSONObject(0).length() > 1){
|
||||
//options were included
|
||||
if (!((JSONObject)options.getJSONObject(0).get(Resources.OPTIONS)).isNull(Resources.TYPE)){
|
||||
String fmtOpt = (String)((JSONObject)options.getJSONObject(0).get(Resources.OPTIONS)).get(Resources.TYPE);
|
||||
if (fmtOpt.equalsIgnoreCase(Resources.CURRENCY)){
|
||||
fmt = (DecimalFormat)DecimalFormat.getCurrencyInstance(Locale.getDefault());
|
||||
}else if(fmtOpt.equalsIgnoreCase(Resources.PERCENT)){
|
||||
fmt = (DecimalFormat)DecimalFormat.getPercentInstance(Locale.getDefault());
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
}catch (JSONException je){}
|
||||
return fmt;
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user