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/*
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* JBind
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*
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* Copyright (c) by Stefan Wachter. All rights reserved.
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*
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* Usage, modification, and redistribution is subject to license terms that are
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* available at 'http://www.jbind.org'. The JBind license is like the
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* 'Apache Software License V 1.1'.
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*/
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package org.jbind.xml.instance.data;
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import java.math.BigDecimal;
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import org.jbind.util.other.StrBuffer;
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import org.jbind.xml.core.data.CompareResult;
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import org.jbind.xml.core.data.IDateTime;
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import org.jbind.xml.core.data.ITimeZone;
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public class DateTime extends PointInTime implements IDateTime {
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private static ITimeZone MIN_SHIFT = new TimeZone(-1, 14, 0);
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private static ITimeZone MAX_SHIFT = new TimeZone(1, 14, 0);
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public static IDateTime create(int aSign, int aYear, int aMonth, int aDay, int anHour, int aMinute, int aSecond, BigDecimal aFraction, ITimeZone aTimeZone) {
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IDateTime dt = new DateTime(aSign, aYear, aMonth, aDay, anHour, aMinute, aSecond, aFraction, null != aTimeZone);
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IDateTime res = null;
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if (null != aTimeZone) {
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res = TimeHelper.subtract(dt, aTimeZone);
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} else {
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res = dt;
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}
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return res;
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}
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protected int mySign;
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protected int myYear;
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protected int myMonth;
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protected int myDay;
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public int getSign() {
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return mySign;
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}
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public int getYear() {
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return myYear;
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}
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public int getMonth() {
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return myMonth;
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}
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public int getDay() {
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return myDay;
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}
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public DateTime(int aSign, int aYear, int aMonth, int aDay, int anHour, int aMinute, int aSecond, BigDecimal aFraction, boolean aHadTimeZone) {
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super(anHour, aMinute, aSecond, aFraction, aHadTimeZone);
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mySign = aSign;
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myYear = aYear;
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myMonth = aMonth;
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myDay = aDay;
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}
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public CompareResult compareTo(IDateTime aDateTime) {
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CompareResult res1, res2;
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if (mySign < 0) {
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if (aDateTime.getSign() < 0) {
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res1 = CompareResult.GREATER;
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res2 = CompareResult.LESS;
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} else {
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res1 = CompareResult.LESS;
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res2 = CompareResult.LESS;
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}
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} else {
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if (aDateTime.getSign() < 0) {
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res1 = CompareResult.GREATER;
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res2 = CompareResult.GREATER;
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} else {
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res1 = CompareResult.LESS;
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res2 = CompareResult.GREATER;
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}
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}
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if ((hadTimeZone() && aDateTime.hadTimeZone()) || (!hadTimeZone() && !aDateTime.hadTimeZone())) {
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if (getYear() < aDateTime.getYear()) {
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return res1;
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} else if (getYear() > aDateTime.getYear()) {
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return res2;
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}
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if (getMonth() < aDateTime.getMonth()) {
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return res1;
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} else if (getMonth() > aDateTime.getMonth()) {
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return res2;
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}
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if (getDay() < aDateTime.getDay()) {
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return res1;
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} else if (getDay() > aDateTime.getDay()) {
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return res2;
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}
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if (getHour() < aDateTime.getHour()) {
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return res1;
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} else if (getHour() > aDateTime.getHour()) {
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return res2;
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}
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if (getMinute() < aDateTime.getMinute()) {
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return res1;
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} else if (getMinute() > aDateTime.getMinute()) {
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return res2;
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}
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if (getSecond() < aDateTime.getSecond()) {
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return res1;
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} else if (getSecond() > aDateTime.getSecond()) {
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return res2;
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}
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if ((null != getFraction()) && (null != aDateTime.getFraction())) {
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int c = getFraction().compareTo(aDateTime.getFraction());
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return (c < 0) ? res1 : ((c > 0) ? res2 : CompareResult.EQUAL);
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} else if (null != getFraction()) {
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return res2;
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} else if (null != aDateTime.getFraction()) {
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return res1;
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}
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return CompareResult.EQUAL;
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} else {
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IDateTime thisMin = hadTimeZone() ? this : TimeHelper.subtract(this, MIN_SHIFT);
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IDateTime thisMax = hadTimeZone() ? this : TimeHelper.subtract(this, MAX_SHIFT);
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IDateTime thatMin = aDateTime.hadTimeZone() ? aDateTime : TimeHelper.subtract(aDateTime, MIN_SHIFT);
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IDateTime thatMax = aDateTime.hadTimeZone() ? aDateTime : TimeHelper.subtract(aDateTime, MAX_SHIFT);
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CompareResult r1 = thisMin.compareTo(thatMax);
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CompareResult r2 = thisMax.compareTo(thatMin);
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return (r1 == r2) ? r1 : CompareResult.UNDETERMINED;
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}
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}
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public boolean equals(Object anObject) {
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boolean res = super.equals(anObject);
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if (res) {
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res = anObject instanceof IDateTime;
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if (res) {
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IDateTime t = (IDateTime)anObject;
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res = (mySign == t.getSign()) && (myYear == t.getYear()) && (myMonth == t.getMonth()) && (myDay == t.getDay());
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}
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}
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return res;
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}
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public int hashCode() {
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return super.hashCode() + mySign + myYear + myMonth + myDay;
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}
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public String toString() {
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StrBuffer sb = new StrBuffer();
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if (mySign < 0) {
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sb.append('-');
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}
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if (myYear > 9999) {
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StringBuffer b = new StringBuffer();
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for (int x = myYear; x != 0; x /= 10) {
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b.append((char)('0' + x % 10));
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}
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for (int i = b.length(); --i >= 0; ) {
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sb.append(b.charAt(i));
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}
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} else {
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TimeHelper.output(myYear, 4, sb);
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}
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sb.append('-');
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TimeHelper.output(myMonth, 2, sb);
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sb.append('-');
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TimeHelper.output(myDay, 2, sb);
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sb.append('T');
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sb.append(super.toString());
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return sb.toString();
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}
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}
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