| /************************************************************************ |
| * |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER |
| * |
| * Copyright 2008, 2010 Oracle and/or its affiliates. All rights reserved. |
| * |
| * Use is subject to license terms. |
| * |
| * 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. You can also |
| * obtain a copy of the License at http://odftoolkit.org/docs/license.txt |
| * |
| * 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 org.odftoolkit.odfdom.type; |
| |
| import javax.xml.datatype.DatatypeFactory; |
| import javax.xml.datatype.XMLGregorianCalendar; |
| |
| /** |
| * This class represents the in OpenDocument format used data type {@odf.datatype date} |
| * Details of the type can be found in the <a href="http://www.w3.org/TR/xmlschema-2/#date">W3C XML Schema specification</a>. |
| */ |
| public class Date implements OdfFieldDataType, OdfDataType { |
| |
| private XMLGregorianCalendar mDate; |
| |
| /** |
| * Construct an newly Date object that represents the specified |
| * XMLGregorianCalendar value |
| * |
| * @param date |
| * the value to be represented by the Date Object |
| * @throws IllegalArgumentException if the given argument is not a valid Date |
| * |
| */ |
| public Date(XMLGregorianCalendar date) throws IllegalArgumentException { |
| if (date == null) { |
| throw new IllegalArgumentException("parameter can not be null for date"); |
| } |
| // validate 'date' type which is defined in W3C schema |
| // see http://www.w3.org/TR/xmlschema-2/#date |
| if (!W3CSchemaType.isValid("date", date.toXMLFormat())) { |
| throw new IllegalArgumentException("parameter is invalid for datatype date"); |
| } |
| mDate = date; |
| } |
| |
| /** |
| * Returns a String Object representing this Date value |
| * |
| * @return return a string representation of the value of this Date object |
| */ |
| @Override |
| public String toString() { |
| return mDate.toXMLFormat(); |
| } |
| |
| /** |
| * Returns a Date instance representing the specified String value |
| * |
| * @param stringValue |
| * a String value |
| * @return return a Date instance representing stringValue |
| * @throws IllegalArgumentException If the stringValue is not a date |
| */ |
| public static Date valueOf(String stringValue) throws IllegalArgumentException { |
| Date date = null; |
| try { |
| DatatypeFactory aFactory = new org.apache.xerces.jaxp.datatype.DatatypeFactoryImpl(); |
| date = new Date(aFactory.newXMLGregorianCalendar(stringValue)); |
| } catch (Throwable t) { |
| throw new IllegalArgumentException(t); |
| } |
| return date; |
| } |
| |
| /** |
| * Returns the value of this Date object as an XMLGregorianCalendar |
| * |
| * @return the XMLGregorianCalendar value of this Date object. |
| */ |
| public XMLGregorianCalendar getXMLGregorianCalendar() { |
| return mDate; |
| } |
| |
| /** |
| * check if the specified XMLGregorianCalendar instance is a valid {@odf.datatype date} data |
| * type |
| * |
| * @param date |
| * the value to be tested |
| * @return true if the value of argument is valid for {@odf.datatype date} data type false |
| * otherwise |
| */ |
| public static boolean isValid(XMLGregorianCalendar date) { |
| boolean isDate = false; |
| if (date != null) { |
| isDate = W3CSchemaType.isValid("date", date.toXMLFormat()); |
| } |
| return isDate; |
| } |
| } |