// $Id: DatatypeFactoryImpl.java,v 1.4 2004/04/30 01:40:53 jsuttor Exp $
/*
* @(#)DatatypeFactoryImpl.java 1.2 04/07/26
*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*/
package com.sun.org.apache.xerces.internal.jaxp.datatype;
import java.math.BigInteger;
import java.math.BigDecimal;
import java.util.GregorianCalendar;
import javax.xml.datatype.DatatypeConstants;
import javax.xml.datatype.DatatypeFactory;
import javax.xml.datatype.Duration;
import javax.xml.datatype.XMLGregorianCalendar;
/**
* <p>Factory that creates new <code>javax.xml.datatype</code> <code>Object</code>s that map XML to/from Java <code>Object</code>s.</p>
*
* <p id="DatatypeFactory.newInstance">{@link #newInstance()} is used to create a new <code>DatatypeFactory</code>.
* The following implementation resolution mechanisms are used in the following order:</p>
* <ol>
* <li>
* If the system property specified by {@link #DATATYPEFACTORY_PROPERTY}, "<code>javax.xml.datatype.DatatypeFactory</code>",
* exists, a class with the name of the property's value is instantiated.
* Any Exception thrown during the instantiation process is wrapped as a {@link DatatypeConfigurationException}.
* </li>
* <li>
* If the file ${JAVA_HOME}/lib/jaxp.properties exists, it is loaded in a {@link java.util.Properties} <code>Object</code>.
* The <code>Properties</code> <code>Object </code> is then queried for the property as documented in the prior step
* and processed as documented in the prior step.
* </li>
* <li>
* The services resolution mechanism is used, e.g. <code>META-INF/services/java.xml.datatype.DatatypeFactory</code>.
* Any Exception thrown during the instantiation process is wrapped as a {@link DatatypeConfigurationException}.
* </li>
* <li>
* The final mechanism is to attempt to instantiate the <code>Class</code> specified by
* {@link #DATATYPEFACTORY_IMPLEMENTATION_CLASS}, "<code>javax.xml.datatype.DatatypeFactoryImpl</code>".
* Any Exception thrown during the instantiation process is wrapped as a {@link DatatypeConfigurationException}.
* </li>
* </ol>
*
* @author <a href="mailto:Joseph.Fialli@Sun.COM">Joseph Fialli</a>
* @author <a href="mailto:Jeff.Suttor@Sun.com">Jeff Suttor</a>
* @version $Revision: 1.4 $, $Date: 2004/04/30 01:40:53 $
* @since 1.5
*/
public class DatatypeFactoryImpl
extends DatatypeFactory {
/**
* <p>Public constructor is empty..</p>
*
* <p>Use {@link DatatypeFactory#newInstance()} to create a <code>DatatypeFactory<code>.</p>
*/
public DatatypeFactoryImpl() {
}
/**
* <p>Obtain a new instance of a <code>Duration</code>
* specifying the <code>Duration</code> as its string representation, "PnYnMnDTnHnMnS",
* as defined in XML Schema 1.0 section 3.2.6.1.</p>
*
* <p>XML Schema Part 2: Datatypes, 3.2.6 duration, defines <code>duration</code> as:</p>
* <blockquote>
* duration represents a duration of time.
* The value space of duration is a six-dimensional space where the coordinates designate the
* Gregorian year, month, day, hour, minute, and second components defined in Section 5.5.3.2 of [ISO 8601], respectively.
* These components are ordered in their significance by their order of appearance i.e. as
* year, month, day, hour, minute, and second.
* </blockquote>
* <p>All six values are set and availabe from the created {@link Duration}</p>
*
* <p>The XML Schema specification states that values can be of an arbitrary size.
* Implementations may chose not to or be incapable of supporting arbitrarily large and/or small values.
* An {@link UnsupportedOperationException} will be thrown with a message indicating implementation limits
* if implementation capacities are exceeded.</p>
*
* @param lexicalRepresentation <code>String</code> representation of a <code>Duration</code>.
*
* @return New <code>Duration</code> created from parsing the <code>lexicalRepresentation</code>.
*
* @throws IllegalArgumentException If <code>lexicalRepresentation</code> is not a valid representation of a <code>Duration</code>.
* @throws UnsupportedOperationException If implementation cannot support requested values.
* @throws NullPointerException if <code>lexicalRepresentation</code> is <code>null</code>.
*/
public Duration newDuration(final String lexicalRepresentation) {
return new DurationImpl(lexicalRepresentation);
}
/**
* <p>Obtain a new instance of a <code>Duration</code>
* specifying the <code>Duration</code> as milliseconds.</p>
*
* <p>XML Schema Part 2: Datatypes, 3.2.6 duration, defines <code>duration</code> as:</p>
* <blockquote>
* duration represents a duration of time.
* The value space of duration is a six-dimensional space where the coordinates designate the
* Gregorian year, month, day, hour, minute, and second components defined in Section 5.5.3.2 of [ISO 8601], respectively.
* These components are ordered in their significance by their order of appearance i.e. as
* year, month, day, hour, minute, and second.
* </blockquote>
* <p>All six values are set by computing their values from the specified milliseconds
* and are availabe using the <code>get</code> methods of the created {@link Duration}.
* The values conform to and are defined by:</p>
* <ul>
* <li>ISO 8601:2000(E) Section 5.5.3.2 Alternative format</li>
* <li><a href="http://www.w3.org/TR/xmlschema-2/#isoformats">
* W3C XML Schema 1.0 Part 2, Appendix D, ISO 8601 Date and Time Formats</a>
* </li>
* <li>{@link XMLGregorianCalendar} Date/Time Datatype Field Mapping Between XML Schema 1.0 and Java Representation</li>
* </ul>
*
* <p>The default start instance is defined by {@link GregorianCalendar}'s use of the start of the epoch: i.e.,
* {@link java.util.Calendar#YEAR} = 1970,
* {@link java.util.Calendar#MONTH} = {@link java.util.Calendar#JANUARY},
* {@link java.util.Calendar#DATE} = 1, etc.
* This is important as there are variations in the Gregorian Calendar,
* e.g. leap years have different days in the month = {@link java.util.Calendar#FEBRUARY}
* so the result of {@link Duration#getMonths()} and {@link Duration#getDays()} can be influenced.</p>
*
* @param durationInMilliseconds Duration in milliseconds to create.
*
* @return New <code>Duration</code> representing <code>durationInMilliseconds</code>.
*/
public Duration newDuration(final long durationInMilliseconds) {
return new DurationImpl(durationInMilliseconds);
}
/**
* <p>Obtain a new instance of a <code>Duration</code>
* specifying the <code>Duration</code> as isPositive, years, months, days, hours, minutes, seconds.</p>
*
* <p>The XML Schema specification states that values can be of an arbitrary size.
* Implementations may chose not to or be incapable of supporting arbitrarily large and/or small values.
* An {@link UnsupportedOperationException} will be thrown with a message indicating implementation limits
* if implementation capacities are exceeded.</p>
*
* @param isPositive Set to <code>false</code> to create a negative duration. When the length
* of the duration is zero, this parameter will be ignored.
* @param years of this <code>Duration</code>
* @param months of this <code>Duration</code>
* @param days of this <code>Duration</code>
* @param hours of this <code>Duration</code>
* @param minutes of this <code>Duration</code>
* @param seconds of this <code>Duration</code>
*
* @return New <code>Duration</code> created from the specified values.
*
* @throws IllegalArgumentException If values are not a valid representation of a <code>Duration</code>.
* @throws UnsupportedOperationException If implementation cannot support requested values.
* @throws NullPointerException If any values are <code>null</code>.
*
* @see #newDuration(boolean isPositive, BigInteger years, BigInteger months, BigInteger days,
* BigInteger hours, BigInteger minutes, BigDecimal seconds)
*/
public Duration newDuration(
final boolean isPositive,
final BigInteger years,
final BigInteger months,
final BigInteger days,
final BigInteger hours,
final BigInteger minutes,
final BigDecimal seconds) {
return new DurationImpl(
isPositive,
years,
months,
days,
hours,
minutes,
seconds
);
}
/**
* <p>Create a new instance of an <code>XMLGregorianCalendar</code>.</p>
*
* <p>All date/time datatype fields set to {@link DatatypeConstants#FIELD_UNDEFINED} or null.</p>
*
* @return New <code>XMLGregorianCalendar</code> with all date/time datatype fields set to
* {@link DatatypeConstants#FIELD_UNDEFINED} or null.
*/
public XMLGregorianCalendar newXMLGregorianCalendar() {
return new XMLGregorianCalendarImpl();
}
/**
* <p>Create a new XMLGregorianCalendar by parsing the String as a lexical representation.</p>
*
* <p>Parsing the lexical string representation is defined in
* <a href="http://www.w3.org/TR/xmlschema-2/#dateTime-order">XML Schema 1.0 Part 2, Section 3.2.[7-14].1,
* <em>Lexical Representation</em>.</a></p>
*
* <p>The string representation may not have any leading and trailing whitespaces.</p>
*
* <p>The parsing is done field by field so that
* the following holds for any lexically correct String x:</p>
* <pre>
* newXMLGregorianCalendar(x).toXMLFormat().equals(x)
* </pre>
* <p>Except for the noted lexical/canonical representation mismatches
* listed in <a href="http://www.w3.org/2001/05/xmlschema-errata#e2-45">
* XML Schema 1.0 errata, Section 3.2.7.2</a>.</p>
*
* @param lexicalRepresentation Lexical representation of one the eight XML Schema date/time datatypes.
*
* @return <code>XMLGregorianCalendar</code> created from the <code>lexicalRepresentation</code>.
*
* @throws IllegalArgumentException If the <code>lexicalRepresentation</code> is not a valid <code>XMLGregorianCalendar</code>.
* @throws NullPointerException If <code>lexicalRepresentation</code> is <code>null</code>.
*/
public XMLGregorianCalendar newXMLGregorianCalendar(final String lexicalRepresentation) {
return new XMLGregorianCalendarImpl(lexicalRepresentation);
}
/**
* <p>Create an <code>XMLGregorianCalendar</code> from a {@link GregorianCalendar}.</p>
*
* <table border="2" rules="all" cellpadding="2">
* <thead>
* <tr>
* <th align="center" colspan="2">
* Field by Field Conversion from
* {@link GregorianCalendar} to an {@link XMLGregorianCalendar}
* </th>
* </tr>
* <tr>
* <th><code>java.util.GregorianCalendar</code> field</th>
* <th><code>javax.xml.datatype.XMLGregorianCalendar</code> field</th>
* </tr>
* </thead>
* <tbody>
* <tr>
* <td><code>ERA == GregorianCalendar.BC ? -YEAR : YEAR</code></td>
* <td>{@link XMLGregorianCalendar#setYear(int year)}</td>
* </tr>
* <tr>
* <td><code>MONTH + 1</code></td>
* <td>{@link XMLGregorianCalendar#setMonth(int month)}</td>
* </tr>
* <tr>
* <td><code>DAY_OF_MONTH</code></td>
* <td>{@link XMLGregorianCalendar#setDay(int day)}</td>
* </tr>
* <tr>
* <td><code>HOUR_OF_DAY, MINUTE, SECOND, MILLISECOND</code></td>
* <td>{@link XMLGregorianCalendar#setTime(int hour, int minute, int second, BigDecimal fractional)}</td>
* </tr>
* <tr>
* <td>
* <code>(ZONE_OFFSET + DST_OFFSET) / (60*1000)</code><br/>
* <em>(in minutes)</em>
* </td>
* <td>{@link XMLGregorianCalendar#setTimezone(int offset)}<sup><em>*</em></sup>
* </td>
* </tr>
* </tbody>
* </table>
* <p><em>*</em>conversion loss of information. It is not possible to represent
* a <code>java.util.GregorianCalendar</code> daylight savings timezone id in the
* XML Schema 1.0 date/time datatype representation.</p>
*
* <p>To compute the return value's <code>TimeZone</code> field,
* <ul>
* <li>when <code>this.getTimezone() != FIELD_UNDEFINED</code>,
* create a <code>java.util.TimeZone</code> with a custom timezone id
* using the <code>this.getTimezone()</code>.</li>
* <li>else use the <code>GregorianCalendar</code> default timezone value
* for the host is defined as specified by
* <code>java.util.TimeZone.getDefault()</code>.</li></p>
*
* @param cal <code>java.util.GregorianCalendar</code> used to create <code>XMLGregorianCalendar</code>
*
* @return <code>XMLGregorianCalendar</code> created from <code>java.util.GregorianCalendar</code>
*
* @throws NullPointerException If <code>cal</code> is <code>null</code>.
*/
public XMLGregorianCalendar newXMLGregorianCalendar(final GregorianCalendar cal) {
return new XMLGregorianCalendarImpl(cal);
}
/**
* <p>Constructor allowing for complete value spaces allowed by
* W3C XML Schema 1.0 recommendation for xsd:dateTime and related
* builtin datatypes. Note that <code>year</code> parameter supports
* arbitrarily large numbers and fractionalSecond has infinite
* precision.</p>
*
* @param year of <code>XMLGregorianCalendar</code> to be created.
* @param month of <code>XMLGregorianCalendar</code> to be created.
* @param day of <code>XMLGregorianCalendar</code> to be created.
* @param hour of <code>XMLGregorianCalendar</code> to be created.
* @param minute of <code>XMLGregorianCalendar</code> to be created.
* @param second of <code>XMLGregorianCalendar</code> to be created.
* @param fractionalSecond of <code>XMLGregorianCalendar</code> to be created.
* @param timezone of <code>XMLGregorianCalendar</code> to be created.
*
* @return <code>XMLGregorianCalendar</code> created from specified values.
*
* @throws IllegalArgumentException If any individual parameter's value is outside the maximum value constraint for the field
* as determined by the Date/Time Data Mapping table in {@link XMLGregorianCalendar}
* or if the composite values constitute an invalid <code>XMLGregorianCalendar</code> instance
* as determined by {@link XMLGregorianCalendar#isValid()}.
* @throws NullPointerException If any parameters are <code>null</code>.
*
*/
public XMLGregorianCalendar newXMLGregorianCalendar(
final BigInteger year,
final int month,
final int day,
final int hour,
final int minute,
final int second,
final BigDecimal fractionalSecond,
final int timezone) {
return new XMLGregorianCalendarImpl(
year,
month,
day,
hour,
minute,
second,
fractionalSecond,
timezone
);
}
}
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