net.sf.jasperreports.engine.util.DefaultFormatFactory Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of jasperreports Show documentation
Show all versions of jasperreports Show documentation
Free Java Reporting Library
/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2022 TIBCO Software Inc. All rights reserved.
* http://www.jaspersoft.com
*
* Unless you have purchased a commercial license agreement from Jaspersoft,
* the following license terms apply:
*
* This program is part of JasperReports.
*
* JasperReports is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* JasperReports is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with JasperReports. If not, see .
*/
package net.sf.jasperreports.engine.util;
import java.lang.reflect.InvocationTargetException;
import java.text.DateFormat;
import java.text.DecimalFormat;
import java.text.NumberFormat;
import java.text.SimpleDateFormat;
import java.util.Locale;
import java.util.TimeZone;
import net.sf.jasperreports.engine.JRRuntimeException;
/**
* @author Teodor Danciu ([email protected])
*/
public class DefaultFormatFactory implements FormatFactory
{
public static final String EXCEPTION_MESSAGE_KEY_FACTORY_INSTANCE_ERROR = "util.format.factory.instance.error";
public static final String EXCEPTION_MESSAGE_KEY_FACTORY_LOADING_ERROR = "util.format.factory.loading.error";
/**
* Used in the date pattern to specify the default style.
* @see java.text.DateFormat#DEFAULT
*/
public static final String STANDARD_DATE_FORMAT_DEFAULT = "default";
/**
* Used in the date pattern to specify the short style.
* @see java.text.DateFormat#SHORT
*/
public static final String STANDARD_DATE_FORMAT_SHORT = "short";
/**
* Used in the date pattern to specify the medium style.
* @see java.text.DateFormat#MEDIUM
*/
public static final String STANDARD_DATE_FORMAT_MEDIUM = "medium";
/**
* Used in the date pattern to specify the long style.
* @see java.text.DateFormat#LONG
*/
public static final String STANDARD_DATE_FORMAT_LONG = "long";
/**
* Used in the date pattern to specify the full style.
* @see java.text.DateFormat#FULL
*/
public static final String STANDARD_DATE_FORMAT_FULL = "full";
/**
* Used in the date pattern to specify that the date or time should not be included.
*/
public static final String STANDARD_DATE_FORMAT_HIDE = "hide";
/**
* Used in the date format pattern to separate the date and time styles.
*/
public static final String STANDARD_DATE_FORMAT_SEPARATOR = ",";
/**
* Number pattern to show integer value as duration expressed in hours:minutes:seconds.
*/
public static final String STANDARD_NUMBER_FORMAT_DURATION = "[h]:mm:ss";
@Override
public DateFormat createDateFormat(String pattern, Locale locale, TimeZone tz)
{
int[] dateStyle = null;
int[] timeStyle = null;
if (pattern != null && pattern.trim().length() > 0)
{
int sepIdx = pattern.indexOf(STANDARD_DATE_FORMAT_SEPARATOR);
String dateTok = sepIdx < 0 ? pattern : pattern.substring(0, sepIdx);
dateStyle = getDateStyle(dateTok);
if (dateStyle != null)
{
if (sepIdx >= 0)
{
String timeTok = pattern.substring(sepIdx + STANDARD_DATE_FORMAT_SEPARATOR.length());
timeStyle = getDateStyle(timeTok);
}
else
{
timeStyle = dateStyle;
}
}
}
DateFormat format;
if (dateStyle != null && timeStyle != null)
{
format = getDateFormat(dateStyle, timeStyle, locale);
}
else
{
if (locale == null)
{
format = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.SHORT);
}
else
{
format = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.SHORT, locale);
}
if (
pattern != null && pattern.trim().length() > 0
&& format instanceof SimpleDateFormat
)
{
((SimpleDateFormat) format).applyPattern(pattern);
}
}
if (tz != null)
{
format.setTimeZone(tz);
}
return format;
}
protected static int[] getDateStyle(String pattern)
{
if (pattern.equalsIgnoreCase(STANDARD_DATE_FORMAT_DEFAULT))
{
return new int[]{DateFormat.DEFAULT};
}
else if (pattern.equalsIgnoreCase(STANDARD_DATE_FORMAT_SHORT))
{
return new int[]{DateFormat.SHORT};
}
else if (pattern.equalsIgnoreCase(STANDARD_DATE_FORMAT_MEDIUM))
{
return new int[]{DateFormat.MEDIUM};
}
else if (pattern.equalsIgnoreCase(STANDARD_DATE_FORMAT_LONG))
{
return new int[]{DateFormat.LONG};
}
else if (pattern.equalsIgnoreCase(STANDARD_DATE_FORMAT_FULL))
{
return new int[]{DateFormat.FULL};
}
else if (pattern.equalsIgnoreCase(STANDARD_DATE_FORMAT_HIDE))
{
return new int[0];
}
else
{
return null;
}
}
protected static DateFormat getDateFormat(int[] dateStyle, int[] timeStyle, Locale locale)
{
if (dateStyle.length == 0)
{
if (timeStyle.length == 0)
{
return new SimpleDateFormat("");
}
return locale == null ?
DateFormat.getTimeInstance(timeStyle[0]) :
DateFormat.getTimeInstance(timeStyle[0], locale);
}
if (timeStyle.length == 0)
{
return locale == null ?
DateFormat.getDateInstance(dateStyle[0]) :
DateFormat.getDateInstance(dateStyle[0], locale);
}
return locale == null ?
DateFormat.getDateTimeInstance(dateStyle[0], timeStyle[0]) :
DateFormat.getDateTimeInstance(dateStyle[0], timeStyle[0], locale);
}
@Override
public NumberFormat createNumberFormat(String pattern, Locale locale)
{
NumberFormat format = null;
if (pattern != null && pattern.trim().length() > 0)
{
if (STANDARD_NUMBER_FORMAT_DURATION.equals(pattern))
{
format = new DurationNumberFormat();
}
else
{
if (locale == null)
{
format = NumberFormat.getNumberInstance();
}
else
{
format = NumberFormat.getNumberInstance(locale);
}
if (format instanceof DecimalFormat)
{
((DecimalFormat) format).applyPattern(pattern);
}
}
}
return format;
}
public static FormatFactory createFormatFactory(String formatFactoryClassName)
{
FormatFactory formatFactory = null;
if (formatFactoryClassName != null)
{
try
{
Class formatFactoryClass = JRClassLoader.loadClassForName(formatFactoryClassName);
formatFactory = (FormatFactory) formatFactoryClass.getDeclaredConstructor().newInstance();
}
catch (ClassNotFoundException e)
{
throw
new JRRuntimeException(
EXCEPTION_MESSAGE_KEY_FACTORY_LOADING_ERROR,
new Object[]{formatFactoryClassName},
e);
}
catch (NoSuchMethodException | InvocationTargetException
| IllegalAccessException | InstantiationException e)
{
throw
new JRRuntimeException(
EXCEPTION_MESSAGE_KEY_FACTORY_INSTANCE_ERROR,
new Object[]{formatFactoryClassName},
e);
}
}
else
{
formatFactory = new DefaultFormatFactory();
}
return formatFactory;
}
}