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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.IAnyTypeData;
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import org.jbind.xml.core.data.IDuration;
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import org.jbind.xml.core.data.IDurationData;
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import org.jbind.xml.core.data.IHasOrder;
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import org.jbind.xml.msg.IConstraintViolations;
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import org.jbind.xml.msg.XmlException;
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import org.jbind.xml.msg.XmlMessages;
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public class DurationData extends AbstractDateOrTimeData implements IDurationData {
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private IDuration myValue = null;
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public DurationData() {}
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protected void doAccept(String aString) throws XmlException {
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super.doAccept(aString);
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int idx = 0;
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ensureChar(aString, idx);
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int sign = 1;
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if (aString.charAt(0) == '-') {
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sign = -1;
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idx++;
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}
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parseChar(aString, idx, 'P');
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idx++;
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int years = 0;
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int months = 0;
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int days = 0;
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int hours = 0;
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int minutes = 0;
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int seconds = 0;
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BigDecimal fraction = null;
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boolean parsedTimeDesignator = false;
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boolean parsedItem = false;
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for (StrBuffer symbols = new StrBuffer("YMDTHMS");
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(symbols.length() > 0) && (idx < aString.length()); ) {
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int symbolIdx = symbolIdx(aString, idx);
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if (symbolIdx < 0) {
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throw new XmlException(XmlMessages.invalidDuration(aString, getImpl_()));
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}
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char symbol = aString.charAt(symbolIdx);
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if (!validSymbol(symbol, symbols)) {
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throw new XmlException(XmlMessages.invalidDurationDesignator(aString, new Integer(symbolIdx), new Character(symbol), getImpl_()));
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}
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switch (symbol) {
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case 'Y':
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years = parseInt(aString, idx);
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idx = advanceInt(aString, idx);
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parsedItem = true;
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break;
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case 'M':
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if (parsedTimeDesignator) {
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minutes = parseInt(aString, idx);
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idx = advanceInt(aString, idx);
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parsedItem = true;
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} else {
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months = parseInt(aString, idx);
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idx = advanceInt(aString, idx);
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parsedItem = true;
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}
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break;
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case 'D':
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days = parseInt(aString, idx);
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idx = advanceInt(aString, idx);
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parsedItem = true;
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break;
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case 'T':
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if (idx != symbolIdx) {
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throw new XmlException(XmlMessages.invalidDuration(aString, getImpl_()));
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}
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parsedTimeDesignator = true;
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break;
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case 'H':
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if (!parsedTimeDesignator) {
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throw new XmlException(XmlMessages.invalidDuration(aString, getImpl_()));
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}
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hours = parseInt(aString, idx);
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idx = advanceInt(aString, idx);
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parsedItem = true;
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break;
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case 'S':
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if (!parsedTimeDesignator) {
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throw new XmlException(XmlMessages.invalidDuration(aString, getImpl_()));
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}
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seconds = parseInt(aString, idx);
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idx = advanceInt(aString, idx);
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parsedItem = true;
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if ((idx < aString.length()) && (aString.charAt(idx) == '.')) {
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int begin = idx;
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idx++;
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while ((idx < aString.length()) && Character.isDigit(aString.charAt(idx))) {
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idx++;
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}
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if (begin == idx - 1) {
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throw new XmlException(XmlMessages.invalidDuration(aString, getImpl_()));
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}
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fraction = new BigDecimal("0" + aString.substring(begin, idx));
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}
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break;
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default:
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assert false;
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}
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idx++;// advance over symbol
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}
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if (!parsedItem) {
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throw new XmlException(XmlMessages.invalidDuration(aString, getImpl_()));
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}
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if (idx < aString.length()) {
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throw new XmlException(XmlMessages.unexpectedCharactersAfterDuration(aString, getImpl_()));
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}
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myValue = new Duration(sign, years, months, days, hours, minutes, seconds, fraction);
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}
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private boolean validSymbol(char aSymbol, StrBuffer aSymbols) {
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while (true) {
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char c = aSymbols.charAt(0);
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aSymbols.replace(0, 1, "");
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if (c == aSymbol) {
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return true;
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}
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if (aSymbols.length() == 0) {
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return false;
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}
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}
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}
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private int symbolIdx(String aString, int anIndex) {
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int res = -1;
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for (int i = anIndex; i < aString.length(); i++) {
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char c = aString.charAt(i);
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if (!Character.isDigit(c) && (c != '.')) {
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res = i;
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break;
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}
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}
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return res;
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}
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public String getCanonicalForm_() {
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return String.valueOf(myValue);
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}
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public IDuration getDuration() {
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return myValue;
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}
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public void setDuration(IDuration aNewValue) throws XmlException {
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IDuration oldValue = myValue;
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myValue = aNewValue;
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IConstraintViolations violations = completeSimpleStorageAssignment_();
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if (!violations.isEmpty()) {
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myValue = oldValue;
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throw new XmlException(violations);
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}
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}
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public boolean simpleStorageValueEquals(IAnyTypeData aData) {
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return (aData instanceof IDurationData) && myValue.equals(((IDurationData)aData).getDuration());
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}
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public int simpleStorageValueHashCode() {
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return myValue.hashCode();
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}
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public Object getSimpleStorageObject() {
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return myValue;
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}
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public void setSimpleStorageObject(Object aValue) {
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myValue = (IDuration)aValue;
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}
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protected CompareResult doGetCompareResult(IHasOrder aData) {
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return myValue.compareTo(((IDurationData)aData).getDuration());
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}
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}
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