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brianR |
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/*
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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.impl;
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import java.math.BigInteger;
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import java.text.ParseException;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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import java.util.GregorianCalendar;
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import java.util.TimeZone;
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import javax.jws.WebService;
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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 net.brutex.xservices.ws.DateService;
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import net.brutex.xservices.ws.XServicesFault;
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/**
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* @author Brian Rosenberger
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*
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*/
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@WebService(
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targetNamespace = BrutexNamespaces.WS_XSERVICES,
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endpointInterface = "net.brutex.xservices.ws.DateService",
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serviceName = DateService.SERVICE_NAME
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)
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public class DateServiceImpl implements DateService {
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private static String ERR_INVALIDFORMAT = "Invalid format pattern.";
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private static String ERR_INVALIDTIMEZONE = "Invalid timezone.";
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@Override
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public GregorianCalendar getDate(String timezone) throws XServicesFault {
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if (! isValidTimezone(timezone) ) {
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String valid_ids = "";
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String[] tid = TimeZone.getAvailableIDs();
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for (String s : tid) {
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valid_ids += s + "\n";
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}
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throw new XServicesFault("Please supply a valid timezone id or none. Valid timezones are:\n" + valid_ids,
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new Exception( ));
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}
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if (timezone == null || timezone.length()<1 ) timezone = "GMT0";
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GregorianCalendar c = new GregorianCalendar(TimeZone.getTimeZone(timezone));
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return c;
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}
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@Override
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public BigInteger getTimestamp() {
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Date d = new Date();
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long l = d.getTime();
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BigInteger timestamp = new BigInteger(Long.toString(l));
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return timestamp;
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}
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@Override
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public GregorianCalendar getInTimezone(GregorianCalendar cal,
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String timezone) throws XServicesFault {
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if(! isValidTimezone(timezone)) throw new XServicesFault(ERR_INVALIDTIMEZONE);
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GregorianCalendar c = new GregorianCalendar(TimeZone.getTimeZone(timezone));
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c.setTimeInMillis(cal.getTimeInMillis());
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return c;
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}
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@Override
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public String formatDate(GregorianCalendar cal, DateFormatType format) throws XServicesFault {
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return formatDateAdvanced(cal, format.format());
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}
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@Override
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public String formatDateAdvanced(GregorianCalendar cal, String format)
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throws XServicesFault {
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String result= null;
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try {
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SimpleDateFormat f = new SimpleDateFormat(format);
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result = f.format(cal.getTime());
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} catch (IllegalArgumentException e) {
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throw new XServicesFault(ERR_INVALIDFORMAT + e.getMessage());
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}
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return result;
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}
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@Override
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public GregorianCalendar parseDate(String s, DateFormatType format, String timezone) throws XServicesFault {
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return parseDateAdvanced(s, format.format(), timezone);
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}
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@Override
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public GregorianCalendar parseDateAdvanced(String s, String format, String timezone) throws XServicesFault {
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SimpleDateFormat f = null;
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Date date = null;
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if(timezone==null | timezone.equals("")) timezone = TimeZone.getDefault().getID();
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if(! isValidTimezone(timezone)) throw new XServicesFault(ERR_INVALIDTIMEZONE);
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try {
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f = new SimpleDateFormat(format);
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date = f.parse(s);
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} catch(IllegalArgumentException e) {
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throw new XServicesFault(ERR_INVALIDFORMAT + e.getMessage());
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} catch (ParseException e) {
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throw new XServicesFault("Cannot parse date: "+ e.getMessage());
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}
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GregorianCalendar cal = new GregorianCalendar();
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cal.setTimeZone(TimeZone.getTimeZone(timezone));
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cal.setTime(date);
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return cal;
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}
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@Override
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public BigInteger dateTimeDiff(GregorianCalendar fromCal,
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GregorianCalendar toCal) throws XServicesFault {
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long diff = toCal.getTimeInMillis() - fromCal.getTimeInMillis();
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BigInteger d = new BigInteger(String.valueOf(diff), 10);
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return d;
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}
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@Override
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public BigInteger dateTimeDiff2(GregorianCalendar fromCal,
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GregorianCalendar toCal, DateTimeUnits unit) throws XServicesFault {
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BigInteger d = dateTimeDiff(fromCal, toCal);
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switch (unit) {
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case SECONDS:
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d = d.divide(new BigInteger("1000"));
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break;
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case MINUTES:
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d = d.divide(new BigInteger("60000"));
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break;
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case HOURS:
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d = d.divide(new BigInteger("3600000"));
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break;
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case DAYS:
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d = d.divide(new BigInteger("86400000"));
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}
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return d;
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}
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brianR |
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@Override
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public GregorianCalendar dateAdd(GregorianCalendar cal, BigInteger value, DateTimeUnits unit)
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throws XServicesFault {
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switch (unit) {
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case SECONDS:
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cal.add(GregorianCalendar.SECOND, value.intValue());
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break;
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case MINUTES:
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cal.add(GregorianCalendar.MINUTE, value.intValue());
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break;
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case HOURS:
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cal.add(GregorianCalendar.HOUR_OF_DAY, value.intValue());
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break;
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case DAYS:
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cal.add(GregorianCalendar.DAY_OF_MONTH, value.intValue());
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break;
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default:
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cal.add(GregorianCalendar.MILLISECOND, value.intValue());
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}
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return cal;
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}
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brianR |
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private boolean isValidTimezone(String id) {
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boolean yes = false;
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for( String s: TimeZone.getAvailableIDs()) {
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if(s.equals(id)) {
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yes = true;
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break;
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}
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}
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return yes;
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}
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}
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