org.exolab.castor.types.GYear Maven / Gradle / Ivy
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* Copyright 2001 (C) Intalio, Inc. All Rights Reserved.
*
* $Id$ Date Author Changes 05/24/2001 Arnaud Blandin Created
*/
package org.exolab.castor.types;
import java.text.SimpleDateFormat;
import java.text.ParseException;
/**
* Describe an XML schema gYear type.
*
* The format is defined by W3C XML Schema Recommendation and ISO8601 i.e
* (-)CCYY(Z|(+|-)hh:mm)
*
* @author Arnaud Blandin
* @author Edward Kuns
* @version $Revision$
*/
public class GYear extends DateTimeBase {
/** SerialVersionUID */
private static final long serialVersionUID = -8977039151222106864L;
/** The gYear SimpleDateFormat string. */
private static final String YEAR_FORMAT = "yyyy";
/** Prefix of any complaint we make. */
private static final String BAD_GYEAR = "Bad gYear format: ";
/**
* public only for the generated source code
*/
public GYear() {
// Nothing to do
}
/**
* Instantiates a new gYear given the value of the century and year.
*
* @param century the month value
* @param year the year value
*/
public GYear(short century, short year) {
setCentury(century);
setYear(year);
}
/**
* Instantiates a new gYear given the value of the year. Here, the year is the normal
* representation of a year, that is, a four-digit value.
*
* @param year the year value
*/
public GYear(int year) {
short century = (short) (year / 100);
year = year % 100;
setCentury(century);
setYear((short) year);
}
/**
* Constructs a XML Schema GYear instance given all the values of the different fields. By default
* a GYear is not UTC and is local.
*
* @param values an array of shorts that represent the different fields of Time.
*/
public GYear(short[] values) {
this.setValues(values);
}
/**
* Construct a GYear from a string value
*
* @param gyear the string representation of the GYear to instantiate
* @throws ParseException a parse exception is thrown if the string to parse does not follow the
* rigth format (see the description of this class)
*/
public GYear(String gyear) throws ParseException {
parseGYearInternal(gyear, this);
}
/**
* Sets all the fields by reading the values in an array
*
* if a Time Zone is specificied it has to be set by using
* {@link DateTimeBase#setZone(short, short) setZone}.
*
* @param values an array of shorts with the values the array is supposed to be of length 2 and
* ordered like the following:
*
* - century
* - year
*
*/
public void setValues(short[] values) {
if (values.length != 2) {
throw new IllegalArgumentException("GYear#setValues: not the right number of values");
}
this.setCentury(values[0]);
this.setYear(values[1]);
}
/**
* Returns an array of short with all the fields that describe this gYear type.
*
* Note:the time zone is not included.
*
* @return an array of short with all the fields that describe this Date type.
*/
public short[] getValues() {
short[] result = new short[2];
result[0] = this.getCentury();
result[1] = this.getYear();
return result;
} // getValues
/**
* converts this gYear into a local java Date.
*
* @return a local date representing this Date.
*/
public java.util.Date toDate() {
SimpleDateFormat df = new SimpleDateFormat(YEAR_FORMAT);
setDateFormatTimeZone(df);
java.util.Date date = null;
try {
date = df.parse(this.toString());
} catch (ParseException e) {
// this can't happen since toString() should return the proper string format
e.printStackTrace();
return null;
}
return date;
} // toDate()
/**
* convert this gYear to a string The format is defined by W3C XML Schema recommendation and
* ISO8601 i.e (+|-)CCYY-MM(Z|(+|-)hh:mm)
*
* @return a string representing this Date
*/
public String toString() {
StringBuffer result = new StringBuffer();
if (isNegative()) {
result.append('-');
}
if ((this.getCentury() / 10) == 0) {
result.append(0);
}
result.append(this.getCentury());
if ((this.getYear() / 10) == 0) {
result.append(0);
}
result.append(this.getYear());
appendTimeZoneString(result);
return result.toString();
}// toString
/**
* parse a String and convert it into an java.lang.Object
*
* @param str the string to parse
* @return an Object represented by the string
* @throws ParseException a parse exception is thrown if the string to parse does not follow the
* rigth format (see the description of this class)
*/
public static Object parse(String str) throws ParseException {
return parseGYear(str);
}
/**
* parse a String and convert it into a gYear.
*
* @param str the string to parse
* @return the Date represented by the string
* @throws ParseException a parse exception is thrown if the string to parse does not follow the
* rigth format (see the description of this class)
*/
public static GYear parseGYear(String str) throws ParseException {
return parseGYearInternal(str, null);
}
private static GYear parseGYearInternal(String str, GYear result) throws ParseException {
if (str == null) {
throw new IllegalArgumentException("The string to be parsed must not be null.");
}
if (result == null) {
result = new GYear();
}
char[] chars = str.toCharArray();
int idx = 0;
// Negative?
if (chars[idx] == '-') {
result.setNegative();
idx++;
}
// Century
if (!Character.isDigit(chars[idx]) || !Character.isDigit(chars[idx + 1])
|| !Character.isDigit(chars[idx + 2]) || !Character.isDigit(chars[idx + 3])) {
throw new ParseException(
BAD_GYEAR + str + "\nA gYear must follow the pattern CCYY(Z|((+|-)hh:mm)).", idx);
}
short value1 = (short) ((chars[idx] - '0') * 10 + (chars[idx + 1] - '0'));
short value2 = (short) ((chars[idx + 2] - '0') * 10 + (chars[idx + 3] - '0'));
if (value1 == 0 && value2 == 0) {
throw new ParseException(BAD_GYEAR + str + "\n'0000' is not allowed as a year.", idx);
}
result.setCentury(value1);
result.setYear(value2);
idx += 4;
parseTimeZone(str, result, chars, idx, BAD_GYEAR);
return result;
}// parse
/////////////////////////// DISALLOWED METHODS ///////////////////////////
public boolean hasMonth() {
return false;
}
public short getMonth() {
String err = "org.exolab.castor.types.GYear does not have a Month field.";
throw new UnsupportedOperationException(err);
}
public void setMonth(short year) {
String err = "org.exolab.castor.types.GYear does not have a Month field.";
throw new UnsupportedOperationException(err);
}
public boolean hasDay() {
return false;
}
public short getDay() {
String err = "org.exolab.castor.types.GYear does not have a Day field.";
throw new UnsupportedOperationException(err);
}
public void setDay(short month) {
String err = "org.exolab.castor.types.GYear does not have a Day field.";
throw new UnsupportedOperationException(err);
}
public boolean hasHour() {
return false;
}
public short getHour() {
String err = "org.exolab.castor.types.GYear does not have an Hour field.";
throw new UnsupportedOperationException(err);
}
public void setHour(short hour) {
String err = "org.exolab.castor.types.GYear does not have an Hour field.";
throw new UnsupportedOperationException(err);
}
public boolean hasMinute() {
return false;
}
public short getMinute() {
String err = "org.exolab.castor.types.GYear does not have a Minute field.";
throw new UnsupportedOperationException(err);
}
public void setMinute(short minute) {
String err = "org.exolab.castor.types.GYear does not have a Minute field.";
throw new UnsupportedOperationException(err);
}
public boolean hasSeconds() {
return false;
}
public short getSeconds() {
String err = "org.exolab.castor.types.GYear does not have a Seconds field.";
throw new UnsupportedOperationException(err);
}
public void setSecond(short second) {
String err = "org.exolab.castor.types.GYear does not have a Seconds field.";
throw new UnsupportedOperationException(err);
}
public boolean hasMilli() {
return false;
}
public short getMilli() {
String err = "org.exolab.castor.types.GYear does not have a Milliseconds field.";
throw new UnsupportedOperationException(err);
}
public void setMilliSecond(short millisecond) {
String err = "org.exolab.castor.types.GYear does not have a Milliseconds field.";
throw new UnsupportedOperationException(err);
}
}