| /******************************************************************************* |
| * Copyright (c) 2005, 2009 Andrea Bittau, University College London, and others |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Andrea Bittau - initial API and implementation from the PsychoPath XPath 2.0 |
| * David Carver (STAR) - bug 262765 - Fix parsing of gMonthDay to valid date |
| * David Carver (STAR) - bug 282223 - fix timezone adjustment creation. |
| * fixed casting issue. |
| * David Carver - bug 280547 - fix dates for comparison |
| *******************************************************************************/ |
| |
| package org.eclipse.wst.xml.xpath2.processor.internal.types; |
| |
| import org.eclipse.wst.xml.xpath2.processor.DynamicContext; |
| import org.eclipse.wst.xml.xpath2.processor.DynamicError; |
| import org.eclipse.wst.xml.xpath2.processor.ResultSequence; |
| import org.eclipse.wst.xml.xpath2.processor.ResultSequenceFactory; |
| import org.eclipse.wst.xml.xpath2.processor.internal.function.*; |
| |
| import java.util.*; |
| |
| /** |
| * A representation of the MonthDay datatype |
| */ |
| public class XSGMonthDay extends CalendarType implements CmpEq { |
| |
| private static final String XS_G_MONTH_DAY = "xs:gMonthDay"; |
| private Calendar _calendar; |
| private boolean _timezoned; |
| private XSDuration _tz; |
| |
| |
| /** |
| * Initialises a representation of the supplied month and day |
| * |
| * @param cal |
| * Calendar representation of the month and day to be stored |
| * @param tz |
| * Timezone associated with this month and day |
| */ |
| public XSGMonthDay(Calendar cal, XSDuration tz) { |
| _calendar = cal; |
| if (tz != null) { |
| _timezoned = true; |
| _tz = tz; |
| } |
| } |
| |
| /** |
| * Initialises a representation of the current month and day |
| */ |
| public XSGMonthDay() { |
| this(new GregorianCalendar(TimeZone.getTimeZone("GMT")), null); |
| } |
| |
| /** |
| * Retrieves the datatype's name |
| * |
| * @return "gMonthDay" which is the datatype's name |
| */ |
| @Override |
| public String type_name() { |
| return "gMonthDay"; |
| } |
| |
| /** |
| * Parses a String representation of a month and day and constructs a new |
| * XSGMonthDay representation of it. |
| * |
| * @param str |
| * The String representation of the month and day (and optional |
| * timezone) |
| * @return The XSGMonthDay representation of the supplied date |
| */ |
| public static XSGMonthDay parse_gMonthDay(String str) { |
| |
| String startdate = "1972-"; |
| String starttime = "T00:00:00"; |
| |
| int index = str.lastIndexOf('+', str.length()); |
| |
| if (index == -1) |
| index = str.lastIndexOf('-'); |
| if (index == -1) |
| index = str.lastIndexOf('Z', str.length()); |
| if (index != -1) { |
| int zIndex = str.lastIndexOf('Z', str.length()); |
| if (zIndex == -1) { |
| if (index > 5) |
| zIndex = index; |
| } |
| if (zIndex == -1) { |
| zIndex = str.lastIndexOf('+'); |
| } |
| |
| |
| String[] split = str.split("-"); |
| startdate += split[2].replace("Z", "") + "-" + split[3].replace("Z", "").substring(0, 2); |
| |
| if (split.length > 4) { |
| String[] timesplit = split[4].split(":"); |
| if (timesplit.length < 3) { |
| starttime = "T"; |
| StringBuffer buf = new StringBuffer(starttime); |
| for (int cnt = 0; cnt < timesplit.length; cnt++) { |
| buf.append(timesplit[cnt] + ":"); |
| } |
| buf.append("00"); |
| starttime = buf.toString(); |
| } else { |
| starttime += timesplit[0] + ":" + timesplit[1] + ":" + timesplit[2]; |
| } |
| } |
| |
| startdate = startdate.trim(); |
| startdate += starttime; |
| |
| |
| if (zIndex != -1) { |
| startdate += str.substring(zIndex); |
| } |
| } else { |
| startdate += starttime; |
| } |
| |
| XSDateTime dt = XSDateTime.parseDateTime(startdate); |
| if (dt == null) |
| return null; |
| |
| return new XSGMonthDay(dt.calendar(), dt.tz()); |
| } |
| |
| /** |
| * Creates a new ResultSequence consisting of the extractable gMonthDay in |
| * the supplied ResultSequence |
| * |
| * @param arg |
| * The ResultSequence from which the gMonthDay is to be extracted |
| * @return New ResultSequence consisting of the supplied month and day |
| * @throws DynamicError |
| */ |
| @Override |
| public ResultSequence constructor(ResultSequence arg) throws DynamicError { |
| ResultSequence rs = ResultSequenceFactory.create_new(); |
| |
| if (arg.empty()) |
| return rs; |
| |
| AnyAtomicType aat = (AnyAtomicType) arg.first(); |
| if (aat instanceof NumericType || aat instanceof XSDuration || |
| aat instanceof XSTime || isGDataType(aat) || |
| aat instanceof XSBoolean || aat instanceof XSBase64Binary || |
| aat instanceof XSHexBinary || aat instanceof XSAnyURI) { |
| throw DynamicError.invalidType(); |
| } |
| |
| if (!isCastable(aat)) { |
| throw DynamicError.cant_cast(null); |
| } |
| |
| XSGMonthDay val = castGMonthDay(aat); |
| |
| if (val == null) |
| throw DynamicError.cant_cast(null); |
| |
| rs.add(val); |
| |
| return rs; |
| } |
| |
| protected boolean isGDataType(AnyAtomicType aat) { |
| String type = aat.string_type(); |
| if (type.equals("xs:gDay") || |
| type.equals("xs:gMonth") || |
| type.equals("xs:gYear") || |
| type.equals("xs:gYearMonth")) { |
| return true; |
| } |
| return false; |
| } |
| |
| private boolean isCastable(AnyAtomicType aat) { |
| if (aat instanceof XSString || aat instanceof XSUntypedAtomic) { |
| return true; |
| } |
| |
| if (aat instanceof XSTime) { |
| return false; |
| } |
| |
| if (aat instanceof XSDate || aat instanceof XSDateTime || |
| aat instanceof XSGMonthDay) { |
| return true; |
| } |
| |
| return false; |
| } |
| |
| private XSGMonthDay castGMonthDay(AnyAtomicType aat) { |
| if (aat instanceof XSGMonthDay) { |
| XSGMonthDay gmd = (XSGMonthDay) aat; |
| return new XSGMonthDay(gmd.calendar(), gmd.tz()); |
| } |
| |
| if (aat instanceof XSDate) { |
| XSDate date = (XSDate) aat; |
| return new XSGMonthDay(date.calendar(), date.tz()); |
| } |
| |
| if (aat instanceof XSDateTime) { |
| XSDateTime dateTime = (XSDateTime) aat; |
| return new XSGMonthDay(dateTime.calendar(), dateTime.tz()); |
| } |
| |
| return parse_gMonthDay(aat.string_value()); |
| } |
| |
| /** |
| * Retrieves the actual month as an integer |
| * |
| * @return The actual month as an integer |
| */ |
| public int month() { |
| return _calendar.get(Calendar.MONTH) + 1; |
| } |
| |
| /** |
| * Retrieves the actual day as an integer |
| * |
| * @return The actual day as an integer |
| */ |
| public int day() { |
| return _calendar.get(Calendar.DAY_OF_MONTH); |
| } |
| |
| /** |
| * Check for whether a timezone was specified at creation |
| * |
| * @return True if a timezone was specified. False otherwise |
| */ |
| public boolean timezoned() { |
| return _timezoned; |
| } |
| |
| /** |
| * Retrieves a String representation of the stored month and day |
| * |
| * @return String representation of the stored month and day |
| */ |
| @Override |
| public String string_value() { |
| String ret = "--"; |
| |
| Calendar adjustFortimezone = calendar(); |
| |
| ret += XSDateTime.pad_int(month(), 2); |
| |
| ret += "-"; |
| ret += XSDateTime.pad_int(adjustFortimezone.get(Calendar.DAY_OF_MONTH), 2); |
| |
| if (timezoned()) { |
| |
| int hrs = tz().hours(); |
| int min = tz().minutes(); |
| double secs = tz().seconds(); |
| if (hrs == 0 && min == 0 && secs == 0) { |
| ret += "Z"; |
| } |
| else { |
| String tZoneStr = ""; |
| if (tz().negative()) { |
| tZoneStr += "-"; |
| } |
| else { |
| tZoneStr += "+"; |
| } |
| tZoneStr += XSDateTime.pad_int(hrs, 2); |
| tZoneStr += ":"; |
| tZoneStr += XSDateTime.pad_int(min, 2); |
| |
| ret += tZoneStr; |
| } |
| } |
| |
| return ret; |
| } |
| |
| /** |
| * Retrieves the datatype's full pathname |
| * |
| * @return "xs:gMonthDay" which is the datatype's full pathname |
| */ |
| @Override |
| public String string_type() { |
| return XS_G_MONTH_DAY; |
| } |
| |
| /** |
| * Retrieves the Calendar representation of the month and day stored |
| * |
| * @return Calendar representation of the month and day stored |
| */ |
| public Calendar calendar() { |
| return _calendar; |
| } |
| |
| /** |
| * Equality comparison between this and the supplied representation. This |
| * representation must be of type XSGMonthDay |
| * |
| * @param arg |
| * The XSGMonthDay to compare with |
| * @return True if the two representations are of the same month and day. |
| * False otherwise |
| * @throws DynamicError |
| */ |
| public boolean eq(AnyType arg, DynamicContext context) throws DynamicError { |
| XSGMonthDay val = (XSGMonthDay) NumericType.get_single_type(arg, |
| XSGMonthDay.class); |
| |
| return calendar().equals(val.calendar()); |
| } |
| |
| /** |
| * Retrieves the timezone associated with the date stored |
| * |
| * @return the timezone associated with the date stored |
| */ |
| public XSDuration tz() { |
| return _tz; |
| } |
| |
| } |