package railo.commons.i18n;
import java.nio.charset.Charset;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.TimeZone;
import org.apache.commons.collections.map.ReferenceMap;
import railo.commons.date.TimeZoneConstants;
import railo.commons.io.IOUtil;
import railo.commons.io.res.Resource;
import railo.commons.lang.StringUtil;
import railo.runtime.config.Config;
import railo.runtime.engine.ThreadLocalPageContext;
public class FormatUtil {
public static final short FORMAT_TYPE_DATE=1;
public static final short FORMAT_TYPE_TIME=2;
public static final short FORMAT_TYPE_DATE_TIME=3;
public static final short FORMAT_TYPE_DATE_ALL=4;
private final static Map<String,DateFormat[]> formats=new ReferenceMap(ReferenceMap.SOFT,ReferenceMap.SOFT);
public static DateFormat[] getDateTimeFormats(Locale locale,TimeZone tz,boolean lenient) {
String id="dt-"+locale.hashCode()+"-"+tz.getID()+"-"+lenient;
DateFormat[] df=formats.get(id);
if(df==null) {
List<DateFormat> list=new ArrayList<DateFormat>();
list.add(DateFormat.getDateTimeInstance(DateFormat.FULL,DateFormat.FULL,locale));
list.add(DateFormat.getDateTimeInstance(DateFormat.FULL,DateFormat.LONG,locale));
list.add(DateFormat.getDateTimeInstance(DateFormat.FULL,DateFormat.MEDIUM,locale));
list.add(DateFormat.getDateTimeInstance(DateFormat.FULL,DateFormat.SHORT,locale));
list.add(DateFormat.getDateTimeInstance(DateFormat.LONG,DateFormat.FULL,locale));
list.add(DateFormat.getDateTimeInstance(DateFormat.LONG,DateFormat.LONG,locale));
list.add(DateFormat.getDateTimeInstance(DateFormat.LONG,DateFormat.MEDIUM,locale));
list.add(DateFormat.getDateTimeInstance(DateFormat.LONG,DateFormat.SHORT,locale));
list.add(DateFormat.getDateTimeInstance(DateFormat.MEDIUM,DateFormat.FULL,locale));
list.add(DateFormat.getDateTimeInstance(DateFormat.MEDIUM,DateFormat.LONG,locale));
list.add(DateFormat.getDateTimeInstance(DateFormat.MEDIUM,DateFormat.MEDIUM,locale));
list.add(DateFormat.getDateTimeInstance(DateFormat.MEDIUM,DateFormat.SHORT,locale));
list.add(DateFormat.getDateTimeInstance(DateFormat.SHORT,DateFormat.FULL,locale));
list.add(DateFormat.getDateTimeInstance(DateFormat.SHORT,DateFormat.LONG,locale));
list.add(DateFormat.getDateTimeInstance(DateFormat.SHORT,DateFormat.MEDIUM,locale));
list.add(DateFormat.getDateTimeInstance(DateFormat.SHORT,DateFormat.SHORT,locale));
add24(list, locale);
addCustom(list, locale, FORMAT_TYPE_DATE_TIME);
df=list.toArray(new DateFormat[list.size()]);
for(int i=0;i<df.length;i++){
df[i].setLenient(lenient);
df[i].setTimeZone(tz);
}
formats.put(id, df);
}
return df;
}
public static DateFormat[] getDateFormats(Locale locale,TimeZone tz,boolean lenient) {
String id="d-"+locale.hashCode()+"-"+tz.getID()+"-"+lenient;
DateFormat[] df= formats.get(id);
if(df==null) {
List<DateFormat> list=new ArrayList<DateFormat>();
list.add(DateFormat.getDateInstance(DateFormat.FULL,locale));
list.add(DateFormat.getDateInstance(DateFormat.LONG,locale));
list.add(DateFormat.getDateInstance(DateFormat.MEDIUM,locale));
list.add(DateFormat.getDateInstance(DateFormat.SHORT,locale));
addCustom(list, locale, FORMAT_TYPE_DATE);
df=list.toArray(new DateFormat[list.size()]);
for(int i=0;i<df.length;i++){
df[i].setLenient(lenient);
df[i].setTimeZone(tz);
}
formats.put(id, df);
}
return df;
}
public static DateFormat[] getTimeFormats(Locale locale,TimeZone tz,boolean lenient) {
String id="t-"+locale.hashCode()+"-"+tz.getID()+"-"+lenient;
DateFormat[] df= formats.get(id);
if(df==null) {
List<DateFormat> list=new ArrayList<DateFormat>();
list.add(DateFormat.getTimeInstance(DateFormat.FULL,locale));
list.add(DateFormat.getTimeInstance(DateFormat.LONG,locale));
list.add(DateFormat.getTimeInstance(DateFormat.MEDIUM,locale));
list.add(DateFormat.getTimeInstance(DateFormat.SHORT,locale));
add24(list, locale);
addCustom(list, locale, FORMAT_TYPE_TIME);
df=list.toArray(new DateFormat[list.size()]);
for(int i=0;i<df.length;i++){
df[i].setLenient(lenient);
df[i].setTimeZone(tz);
}
formats.put(id, df);
}
return df;
}
private static void add24(List<DateFormat> list,Locale locale) {
// if found h:mm:ss a add H:mm:ss ...
String p;
int index;
SimpleDateFormat sdf;
DateFormat[] df=list.toArray(new DateFormat[list.size()]);
for(int i=0;i<df.length;i++){
if(df[i] instanceof SimpleDateFormat) {
p=((SimpleDateFormat) df[i]).toPattern()+"";
if(check(list,p,locale,"hh:mm:ss a","HH:mm:ss")) continue;
if(check(list,p,locale,"h:mm:ss a","H:mm:ss")) continue;
if(check(list,p,locale,"hh:mm a","HH:mm")) continue;
if(check(list,p,locale,"h:mm a","H:mm")) continue;
if(check(list,p,locale,"hh:mm:ssa","HH:mm:ss")) continue;
if(check(list,p,locale,"h:mm:ssa","H:mm:ss")) continue;
if(check(list,p,locale,"hh:mma","HH:mm")) continue;
if(check(list,p,locale,"h:mma","H:mm")) continue;
//if(check(list,p,locale,"HH:mm:ss","hh:mm:ss a")) continue;
//if(check(list,p,locale,"H:mm:ss","h:mm:ss a")) continue;
//if(check(list,p,locale,"HH:mm","hh:mm a")) continue;
//if(check(list,p,locale,"H:mm","h:mm a")) continue;
}
}
}
private static boolean check(List<DateFormat> list, String p,Locale locale, String from, String to) {
int index = p.indexOf(from);
if(index!=-1) {
p=StringUtil.replace(p, from, to, true);
SimpleDateFormat sdf = new SimpleDateFormat(p,locale);
if(!list.contains(sdf))list.add(sdf);
return true;
}
return false;
}
private static void addCustom(List<DateFormat> list,Locale locale,short formatType) {
// get custom formats from file
Config config = ThreadLocalPageContext.getConfig();
Resource dir=config.getConfigDir().getRealResource("locales");
if(dir.isDirectory()) {
String appendix="-datetime";
if(formatType==FORMAT_TYPE_DATE)appendix="-date";
if(formatType==FORMAT_TYPE_TIME)appendix="-time";
Resource file = dir.getRealResource(locale.getLanguage()+"-"+locale.getCountry()+appendix+".df");
if(file.isFile()) {
try {
String content=IOUtil.toString(file, (Charset)null);
String[] arr = railo.runtime.type.util.ListUtil.listToStringArray(content, '\n');
String line;
SimpleDateFormat sdf;
for(int i=0;i<arr.length;i++){
line=arr[i].trim();
if(StringUtil.isEmpty(line)) continue;
sdf = new SimpleDateFormat(line,locale);
if(!list.contains(sdf))list.add(sdf);
}
}
catch (Throwable t) {}
}
}
}
/**
* CFML Supported LS Formats
* @param locale
* @param tz
* @param lenient
* @return
*/
public static DateFormat[] getCFMLFormats(TimeZone tz,boolean lenient) {
String id="cfml-"+Locale.ENGLISH.hashCode()+"-"+tz.getID()+"-"+lenient;
DateFormat[] df= formats.get(id);
if(df==null) {
df= new SimpleDateFormat[]{
new SimpleDateFormat("EEE MMM dd HH:mm:ss z yyyy",Locale.ENGLISH)
,new SimpleDateFormat("MMMM dd, yyyy HH:mm:ss a zzz",Locale.ENGLISH)
,new SimpleDateFormat("MMM dd, yyyy HH:mm:ss a",Locale.ENGLISH)
,new SimpleDateFormat("MMM dd, yyyy HH:mm:ss",Locale.ENGLISH)
,new SimpleDateFormat("MMMM d yyyy HH:mm:ssZ",Locale.ENGLISH)
,new SimpleDateFormat("MMMM d yyyy HH:mm:ss",Locale.ENGLISH)
,new SimpleDateFormat("MMMM d yyyy HH:mm",Locale.ENGLISH)
,new SimpleDateFormat("EEE, MMM dd, yyyy HH:mm:ssZ",Locale.ENGLISH)
,new SimpleDateFormat("EEE, MMM dd, yyyy HH:mm:ss",Locale.ENGLISH)
,new SimpleDateFormat("EEEE, MMMM dd, yyyy H:mm:ss a zzz",Locale.ENGLISH)
,new SimpleDateFormat("dd-MMM-yy HH:mm a",Locale.ENGLISH)
,new SimpleDateFormat("dd-MMMM-yy HH:mm a",Locale.ENGLISH)
,new SimpleDateFormat("EE, dd-MMM-yyyy HH:mm:ss zz",Locale.ENGLISH)
,new SimpleDateFormat("EE, dd MMM yyyy HH:mm:ss zz",Locale.ENGLISH)
,new SimpleDateFormat("EEE d, MMM yyyy HH:mm:ss zz",Locale.ENGLISH)
,new SimpleDateFormat("dd-MMM-yyyy",Locale.ENGLISH)
,new SimpleDateFormat("MMMM, dd yyyy HH:mm:ssZ",Locale.ENGLISH)
,new SimpleDateFormat("MMMM, dd yyyy HH:mm:ss",Locale.ENGLISH)
,new SimpleDateFormat("yyyy/MM/dd HH:mm:ss zz",Locale.ENGLISH)
,new SimpleDateFormat("dd MMM yyyy HH:mm:ss zz",Locale.ENGLISH)
,new SimpleDateFormat("EEE MMM dd yyyy HH:mm:ss 'GMT'ZZ (z)",Locale.ENGLISH)
,new SimpleDateFormat("dd MMM, yyyy HH:mm:ss",Locale.ENGLISH)
//,new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss",Locale.ENGLISH)
};
for(int i=0;i<df.length;i++){
df[i].setLenient(lenient);
df[i].setTimeZone(tz);
}
formats.put(id, df);
}
return df;
}
public static DateFormat[] getFormats(Locale locale,TimeZone tz,boolean lenient, short formatType) {
if(FORMAT_TYPE_DATE_TIME==formatType)return getDateTimeFormats(locale,TimeZoneConstants.GMT,true);
if(FORMAT_TYPE_DATE==formatType)return getDateFormats(locale,TimeZoneConstants.GMT,true);
if(FORMAT_TYPE_TIME==formatType)return getTimeFormats(locale,TimeZoneConstants.GMT,true);
DateFormat[] dt = getDateTimeFormats(locale,TimeZoneConstants.GMT,true);
DateFormat[] d = getDateFormats(locale,TimeZoneConstants.GMT,true);
DateFormat[] t = getTimeFormats(locale,TimeZoneConstants.GMT,true);
DateFormat[] all=new DateFormat[dt.length+d.length+t.length];
for(int i=0;i<dt.length;i++){
all[i]=dt[i];
}
for(int i=0;i<d.length;i++){
all[i+dt.length]=d[i];
}
for(int i=0;i<t.length;i++){
all[i+dt.length+d.length]=t[i];
}
return getDateTimeFormats(locale,TimeZoneConstants.GMT,true);
}
public static String[] getSupportedPatterns(Locale locale, short formatType) {
DateFormat[] _formats = getFormats(locale,TimeZoneConstants.GMT,true,formatType);
String[] patterns=new String[_formats.length];
for(int i=0;i<_formats.length;i++){
if(!(_formats[i] instanceof SimpleDateFormat))return null; // all or nothing
patterns[i]=((SimpleDateFormat)_formats[i]).toPattern();
}
return patterns;
}
}