/**
* Copyright (c) 2013, impossibl.com
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of impossibl.com nor the names of its contributors may
* be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
package com.impossibl.postgres.system;
import com.impossibl.postgres.datetime.DateTimeFormat;
import com.impossibl.postgres.datetime.ISODateFormat;
import com.impossibl.postgres.datetime.ISOTimeFormat;
import com.impossibl.postgres.datetime.ISOTimestampFormat;
/**
* Utility methods for handling PostgreSQL DateStyle parameters
*
* @author kdubb
*
*/
public class DateStyle {
/**
* Parses a DateStyle string into its separate components
*
* @param value DateStyle to parse
* @return Parsed DateStyle components
*/
public static String[] parse(String value) {
String[] parsed = value.split(",");
if (parsed.length != 2)
return null;
parsed[0] = parsed[0].trim().toUpperCase();
parsed[1] = parsed[1].trim().toUpperCase();
return parsed;
}
/**
* Creates a DateFormat for handling Dates from a parsed DateStyle string
*
* @param dateStyle
* Parsed DateStyle
* @return DateFormat for handling dates in the style specified in dateStyle
*/
public static DateTimeFormat getDateFormatter(String[] dateStyle) {
switch(dateStyle[0]) {
case "ISO":
return new ISODateFormat();
case "POSTGRES":
case "SQL":
case "GERMAN":
default:
return null;
}
}
/**
* Creates a DateFormat for handling Times from a parsed DateStyle string
*
* @param dateStyle
* Parsed DateStyle
* @return DateFormat for handling times in the style specified in dateStyle
*/
public static DateTimeFormat getTimeFormatter(String[] dateStyle) {
switch(dateStyle[0]) {
case "ISO":
return new ISOTimeFormat();
case "POSTGRES":
case "SQL":
case "GERMAN":
default:
return null;
}
}
/**
* Creates a DateFormat for handling Timestamps from a parsed DateStyle string
*
* @param dateStyle
* Parsed DateStyle
* @return DateFormat for handling timestamps in the style specified in
* dateStyle
*/
public static DateTimeFormat getTimestampFormatter(String[] dateStyle) {
switch(dateStyle[0]) {
case "ISO":
return new ISOTimestampFormat();
case "POSTGRES":
case "SQL":
case "GERMAN":
default:
return null;
}
}
}