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/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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*
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* Copyright 2011 OpenConcerto, by ILM Informatique. All rights reserved.
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*
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* The contents of this file are subject to the terms of the GNU General Public License Version 3
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* only ("GPL"). You may not use this file except in compliance with the License. You can obtain a
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* copy of the License at http://www.gnu.org/licenses/gpl-3.0.html See the License for the specific
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* language governing permissions and limitations under the License.
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*
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* When distributing the software, include this License Header Notice in each file.
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*/
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package org.openconcerto.openoffice.style.data;
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import org.openconcerto.openoffice.ODPackage;
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import org.openconcerto.openoffice.StyleProperties;
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import org.openconcerto.openoffice.XMLVersion;
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import org.openconcerto.openoffice.spreadsheet.CellStyle;
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import java.math.BigDecimal;
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import java.text.DecimalFormat;
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import java.text.DecimalFormatSymbols;
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import java.text.SimpleDateFormat;
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import java.util.Calendar;
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import java.util.Date;
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import java.util.List;
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import java.util.Locale;
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import org.jdom.Attribute;
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import org.jdom.Element;
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import org.jdom.Namespace;
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// from section 16.27.10 in v1.2-cs01-part1
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public class DateStyle extends DataStyle {
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// see http://download.oracle.com/javase/6/docs/technotes/guides/intl/calendar.doc.html
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private static final Locale BUDDHIST_LOCALE = new Locale("th", "TH");
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private static final Locale JAPANESE_LOCALE = new Locale("ja", "JP", "JP");
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private static final Locale GREGORIAN_LOCALE = new Locale("fr", "FR");
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public static final DataStyleDesc<DateStyle> DESC = new DataStyleDesc<DateStyle>(DateStyle.class, XMLVersion.OD, "date-style", "N") {
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@Override
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public DateStyle create(ODPackage pkg, Element e) {
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return new DateStyle(pkg, e);
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}
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};
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static final boolean isShort(final Element elem) {
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// in OOo the default is short
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return !"long".equals(elem.getAttributeValue("style", elem.getNamespace("number")));
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}
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public static final Locale getLocale(final Element elem) {
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final Locale res;
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final String country = elem.getAttributeValue("country", elem.getNamespace());
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final String lang = elem.getAttributeValue("language", elem.getNamespace());
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if (lang != null) {
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res = new Locale(lang, country == null ? "" : country);
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} else {
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res = Locale.getDefault();
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}
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return res;
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}
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private static final Locale getCalendarLocale(final Element elem, Locale defaultLocale) {
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final Locale res;
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final String cal = elem.getAttributeValue("calendar", elem.getNamespace());
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if (cal == null) {
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res = defaultLocale;
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} else if ("buddhist".equals(cal)) {
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res = BUDDHIST_LOCALE;
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} else if ("gengou".equals(cal)) {
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res = JAPANESE_LOCALE;
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} else if ("gregorian".equals(cal)) {
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res = GREGORIAN_LOCALE;
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} else {
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throw new IllegalArgumentException("Unsupported calendar : " + cal);
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}
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return res;
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}
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private static final Locale getCalendarLocale(final Locale locale) {
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final Locale res;
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if (locale.equals(BUDDHIST_LOCALE) || locale.equals(JAPANESE_LOCALE)) {
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res = locale;
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} else {
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res = GREGORIAN_LOCALE;
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}
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return res;
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}
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static String formatSecondFraction(final Locale styleLocale, final BigDecimal seconds, final int decPlaces) {
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if (decPlaces > 0) {
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final DecimalFormat decFormat = new DecimalFormat();
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decFormat.setDecimalFormatSymbols(new DecimalFormatSymbols(styleLocale));
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decFormat.setMinimumIntegerDigits(0);
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decFormat.setMaximumIntegerDigits(0);
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decFormat.setMinimumFractionDigits(decPlaces);
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decFormat.setMaximumFractionDigits(decPlaces);
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// .12 or .578
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return decFormat.format(seconds);
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} else {
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return "";
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}
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}
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public DateStyle(final ODPackage pkg, Element elem) {
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super(pkg, elem, Date.class);
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}
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@Override
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public String format(Object o, CellStyle defaultStyle, boolean lenient) {
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final Date d = o instanceof Calendar ? ((Calendar) o).getTime() : (Date) o;
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final Namespace numberNS = this.getElement().getNamespace();
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final Locale styleLocale = getLocale(getElement());
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final Locale styleCalendarLocale = getCalendarLocale(styleLocale);
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final StringBuilder res = new StringBuilder();
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Locale currentCalendarLocale = styleCalendarLocale;
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final StringBuilder sb = new StringBuilder();
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@SuppressWarnings("unchecked")
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final List<Element> children = this.getElement().getChildren();
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for (final Element elem : children) {
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if (elem.getNamespace().equals(numberNS)) {
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final Locale calendarLocaleElem = getCalendarLocale(elem, styleCalendarLocale);
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if (!calendarLocaleElem.equals(currentCalendarLocale)) {
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if (sb.length() > 0) {
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res.append(new SimpleDateFormat(sb.toString(), currentCalendarLocale).format(d));
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sb.setLength(0);
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}
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currentCalendarLocale = calendarLocaleElem;
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}
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if (elem.getName().equals("text")) {
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DataStyle.addStringLiteral(sb, elem.getText());
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} else if (elem.getName().equals("era")) {
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sb.append(isShort(elem) ? "G" : "GGGG");
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} else if (elem.getName().equals("year")) {
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sb.append(isShort(elem) ? "yy" : "yyyy");
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} else if (elem.getName().equals("quarter")) {
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final int quarter = Calendar.getInstance(GREGORIAN_LOCALE).get(Calendar.MONTH) / 3 + 1;
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// TODO localize and honor short/long style
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reportError("Quarters are not localized", lenient);
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DataStyle.addStringLiteral(sb, isShort(elem) ? "Q" + quarter : "Q" + quarter);
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} else if (elem.getName().equals("month")) {
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final Attribute possessive = elem.getAttribute("possessive-form", numberNS);
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if (possessive != null)
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reportError("Ignoring " + possessive, lenient);
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if (!StyleProperties.parseBoolean(elem.getAttributeValue("textual", numberNS), false))
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sb.append(isShort(elem) ? "M" : "MM");
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else
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sb.append(isShort(elem) ? "MMM" : "MMMM");
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} else if (elem.getName().equals("week-of-year")) {
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sb.append("w");
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} else if (elem.getName().equals("day")) {
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sb.append(isShort(elem) ? "d" : "dd");
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} else if (elem.getName().equals("day-of-week")) {
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sb.append(isShort(elem) ? "E" : "EEEE");
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} else if (elem.getName().equals("am-pm")) {
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sb.append("a");
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} else if (elem.getName().equals("hours")) {
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// see 16.27.22 : If a <number:am-pm> element is contained in a date or time
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// style, hours are displayed using values from 1 to 12 only.
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if (getElement().getChild("am-pm", numberNS) == null)
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sb.append(isShort(elem) ? "H" : "HH");
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else
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sb.append(isShort(elem) ? "h" : "hh");
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} else if (elem.getName().equals("minutes")) {
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sb.append(isShort(elem) ? "m" : "mm");
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} else if (elem.getName().equals("seconds")) {
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sb.append(isShort(elem) ? "s" : "ss");
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final int decPlaces = StyleProperties.parseInt(elem.getAttributeValue("decimal-places", numberNS), 0);
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if (decPlaces > 0) {
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// use styleLocale since <seconds> hasn't @calendar
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final Calendar cal = Calendar.getInstance(styleLocale);
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cal.setTime(d);
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final BigDecimal secondFractions = new BigDecimal(cal.get(Calendar.MILLISECOND)).movePointLeft(3);
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assert secondFractions.compareTo(BigDecimal.ONE) < 0;
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final String fractionPart = formatSecondFraction(styleLocale, secondFractions, decPlaces);
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DataStyle.addStringLiteral(sb, fractionPart);
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}
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}
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}
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}
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return new SimpleDateFormat(sb.toString(), currentCalendarLocale).format(d);
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}
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}
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