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66 brianR 1
/*
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 *   Copyright 2011 Brian Rosenberger (Brutex Network)
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 *
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 *   Licensed under the Apache License, Version 2.0 (the "License");
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 *   you may not use this file except in compliance with the License.
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 *   You may obtain a copy of the License at
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 *
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 *       http://www.apache.org/licenses/LICENSE-2.0
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 *
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 *   Unless required by applicable law or agreed to in writing, software
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 *   distributed under the License is distributed on an "AS IS" BASIS,
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 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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 *   See the License for the specific language governing permissions and
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 *   limitations under the License.
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 */
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package net.brutex.xservices.ws;
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import java.math.BigInteger;
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import java.util.GregorianCalendar;
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import javax.jws.WebMethod;
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import javax.jws.WebParam;
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import javax.jws.WebService;
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import javax.xml.bind.annotation.XmlElement;
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import net.brutex.xservices.types.DateFormatType;
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import net.brutex.xservices.types.DateTimeUnits;
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import net.brutex.xservices.util.BrutexNamespaces;
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import org.apache.cxf.annotations.WSDLDocumentation;
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import org.apache.cxf.annotations.WSDLDocumentationCollection;
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/**
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 * Date and time related services.
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 * @author Brian Rosenberger
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 *
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 */
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@WebService(targetNamespace = BrutexNamespaces.WS_XSERVICES)
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@WSDLDocumentationCollection(
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    {
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    	@WSDLDocumentation(value = BrutexNamespaces.BRUTEX_COPYRIGHT, placement = WSDLDocumentation.Placement.TOP)
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    }
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)
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public interface DateService {
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	public static final String SERVICE_NAME = "DateService";
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	public static final String OPERATION_GETDATE = "getDate";
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	public static final String OPERATION_GETTIMESTAMP = "getTimestamp";
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	public static final String OPERATION_GETINTIMEZONE = "getInTimezone";
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	public static final String OPERATION_FORMATDATE = "formatDate";
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	public static final String OPERATION_FORMATDATEADVANCED = "formatDateAdvanced";
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	public static final String OPERATION_PARSEDATE = "parseDate";
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	public static final String OPERATION_PARSEDATEADVANCED = "parseDateAdvanced";
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	public static final String OPERATION_DATETIMEDIFF = "dateTimeDiff";
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	public static final String OPERATION_DATETIMEDIFF2 = "dateTimeDiff2";
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	public static final String OPERATION_DATEADD = "dateAdd";
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	public static final String PARAM_TIMEZONE = "timezone";
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	public static final String PARAM_DATETIME = "datetime";
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	public static final String PARAM_FORMAT = "format";
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	public static final String PARAM_UNIT = "unit";
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	/**
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	 * Get current date and time.
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	 *
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	 * @param timezone Optional timezone. Defaults to server timezone.
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	 * @return Current date and time.
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	 * @throws XServicesFault
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	 */
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	@WebMethod(operationName=OPERATION_GETDATE)
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	@WSDLDocumentation(value="Get current date and time.")
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	public abstract GregorianCalendar getDate(
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			@WebParam(name=PARAM_TIMEZONE) String timezone) throws XServicesFault;
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	/**
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	 * Get milliseconds since 01.01.1970.
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	 *
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	 * @return timestamp milliseconds
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	 */
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	@WebMethod(operationName=OPERATION_GETTIMESTAMP)
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	@WSDLDocumentation(value="Get milliseconds since 01.01.1970 (Unix timestap).")
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	public abstract BigInteger getTimestamp();
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	/**
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	 * Display a date time with a different time zone.
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	 * Changes representation only (no conversion).
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	 *
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	 * @param cal date time.
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	 * @param timezone time zone
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	 * @return date time
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	 * @throws XServicesFault
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	 */
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	@WebMethod(operationName=OPERATION_GETINTIMEZONE)
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	public abstract GregorianCalendar getInTimezone(
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			@WebParam(name=PARAM_DATETIME) @XmlElement(required=true) GregorianCalendar cal,
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			@WebParam(name=PARAM_TIMEZONE) @XmlElement(required=true) String timezone) throws XServicesFault;
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	/**
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	 * @param cal
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	 * @param format
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	 * @return formatted date/time string
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	 * @throws XServicesFault
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	 */
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	@WebMethod(operationName=OPERATION_FORMATDATE)
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	public abstract String formatDate(
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			@WebParam(name=PARAM_DATETIME) @XmlElement(required=true) GregorianCalendar cal,
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			@WebParam(name=PARAM_FORMAT) @XmlElement(required=true) DateFormatType format) throws XServicesFault;
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	@WebMethod(operationName=OPERATION_FORMATDATEADVANCED)
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	public abstract String formatDateAdvanced(
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			@WebParam(name=PARAM_DATETIME) @XmlElement(required=true) GregorianCalendar cal,
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			@WebParam(name=PARAM_FORMAT) @XmlElement(required=true) String format) throws XServicesFault;
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	@WebMethod(operationName=OPERATION_PARSEDATE)
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	public abstract GregorianCalendar parseDate(
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			@WebParam(name=PARAM_DATETIME) @XmlElement(required=true) String s,
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			@WebParam(name=PARAM_FORMAT) @XmlElement(required=true) DateFormatType format,
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			@WebParam(name=PARAM_TIMEZONE) String timezone) throws XServicesFault;
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	@WebMethod(operationName=OPERATION_PARSEDATEADVANCED)
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	public abstract GregorianCalendar parseDateAdvanced(
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			@WebParam(name=PARAM_DATETIME) @XmlElement(required=true) String s,
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			@WebParam(name=PARAM_FORMAT) @XmlElement(required=true) String format,
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			@WebParam(name=PARAM_TIMEZONE) String timezone) throws XServicesFault;
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	@WebMethod(operationName=OPERATION_DATETIMEDIFF)
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	public abstract BigInteger dateTimeDiff(
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			@WebParam(name="fromDateTime") @XmlElement(required=true) GregorianCalendar fromCal,
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			@WebParam(name="toDateTime") @XmlElement(required=true) GregorianCalendar toCal) throws XServicesFault;
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	/**
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	 * Fully elapsed units between two dates.
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	 * 4:15:10-4:15:55 in minutes = 0 and in seconds = 45
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	 *
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	 * @param fromCal
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	 * @param toCal
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	 * @param unit
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	 * @return Date/time difference in unit
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	 * @throws XServicesFault
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	 */
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	@WebMethod(operationName=OPERATION_DATETIMEDIFF2)
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	@WSDLDocumentation(value="Get elapsed time between to dates.")
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	public abstract BigInteger dateTimeDiff2(
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			@WebParam(name="fromDateTime") @XmlElement(required=true) GregorianCalendar fromCal,
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			@WebParam(name="toDateTime") @XmlElement(required=true) GregorianCalendar toCal,
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			@WebParam(name="PARAM_UNIT") DateTimeUnits unit) throws XServicesFault;
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	/**
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	 * Add or substract a time span from a date.
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	 *
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	 * @param cal
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	 * @param unit
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	 * @return New date and time.
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	 * @throws XServicesFault
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	 */
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	@WebMethod(operationName=OPERATION_DATEADD)
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	@WSDLDocumentation(value="Add or substract a time span from a date.")
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	public abstract GregorianCalendar dateAdd(
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			@WebParam(name=PARAM_DATETIME) @XmlElement(required=true) GregorianCalendar cal,
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			@WebParam(name="value") @XmlElement(required=true) BigInteger value,
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			@WebParam(name=PARAM_UNIT) @XmlElement(required=true) DateTimeUnits unit) throws XServicesFault;
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}