/* * reserved comment block * DO NOT REMOVE OR ALTER! */ /* * Copyright 2005 The Apache Software Foundation. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ 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> */ 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 ); } }