#
# Definition of the internal functions
# 
# Converts name to the initials    
get_initials = public String get_initials(String str) {\
		//if (isCJK(str)) return str;\n\
		if (str==null || str.length()==0) return "";\
		StringTokenizer st = new StringTokenizer(str, " .-");\
		String res = "";\
		String dlmtr = str.indexOf('-') != -1 ? "-" : " ";\
        while (st.hasMoreElements( ))\
        	res += st.nextElement().toString().charAt(0) + "." + dlmtr;\
        return res.substring(0, res.length() - dlmtr.length());\
    }
# gets year from date    
get_year = public String get_year(String str) {\
    	return str != null ? str.split("-")[0] : null;\
    }
# gets months from date    
get_month = public String get_month(String str) {\
    	String[] sa = str.split("-");\
        return sa.length >= 2 ? sa[1] : null; \
    }
# gets months name from date    
get_month_name = public String get_month_name(String str) {\
		String[] months = new String[]{"January","February","March","April","May","June","July","August","September","October","November","December"};\
		String m = get_month(str);\
		if(m==null) return null;\
		int mi = Integer.parseInt(m) - 1;\
		return mi>=0 && mi<=11 ? months[mi]:null;\
	}    
# gets day from date    
get_day = public String get_day(String str) {\
        String[] sa = str.split("-");\
        return sa.length >= 3 ? sa[2] : null;\
    }
# transform String to int    
toInt = public int toInt(String str) {\
        return str==null?0:Integer.parseInt(str);\
    }
# mostRecentDate($F{published-online}, $F{issued}, $F{dateAccepted}, $F{dateSubmitted}, $F{modified}, $F{created})
most_recent_date = public String mostRecentDate(String[] dates) {\
    	List<String> list = Arrays.asList(dates);\
        Collections.replaceAll(list, null, "");\
        Collections.sort(list);\
        return (String)list.get(list.size() - 1);\
    }
    
# mostRecentDateStatus($F{published-online}, $F{issued}, $F{dateAccepted}, $F{dateSubmitted}, $F{modified}, $F{created})
most_recent_date_status = public String mostRecentDateStatus(String[] dates) {\
        String max = mostRecentDate(dates);\
        return max.equals(dates[0]) ? "escidoc.published-online":\
         	   max.equals(dates[1]) ? "escidoc.issued":\
         	   max.equals(dates[2]) ? "escidoc.dateAccepted" :\
         	   max.equals(dates[3]) ? "escidoc.dateSubmitted" :\
         	   max.equals(dates[4]) ? "escidoc.modified":\
         	   max.equals(dates[5]) ? "escidoc.created":\
         	   ""; \
    }
# Joins the elements of the provided array into a single String containing the provided list of elements    
join = public String join(String[] arr, String delimiter)\
	{\
		if ( arr==null || arr.length == 0 ) return null;\
		if ( arr.length == 1 ) return arr[0];\
		StringBuffer sb = new StringBuffer();\
		if (delimiter==null) delimiter="";\
		for (int i=0, n=arr.length; i<n; i++ )\
		{\
			if (arr[i]==null || arr[i].trim().equals(""))\
				continue;\
			sb.append(arr[i]);\
			if (i<n-1) sb.append(delimiter);\
		}\
		String str = sb.toString().replaceAll(Pattern.quote(delimiter)+"$", "");\
		return str;\
	}
# string has CJK Unified Ideographs    
#isCJK = public boolean isCJK(String str)\
#	{\
#		if (str==null || str.trim().equals("")) return true;\
#		for (int i = 0; i < str.length(); i++)\
#		{\
#			int codePoint = str.codePointAt(i);\
#			if(codePoint>=19968 && codePoint<=40911) return true;\
#		}\
#		return false;\
#	}    
#