root / branches / v05 / extensions / extWMS / src / com / iver / cit / gvsig / fmap / layers / TimeDimension.java @ 4221
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/* gvSIG. Sistema de Informaci�n Geogr�fica de la Generalitat Valenciana
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*
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* Copyright (C) 2005 IVER T.I. and Generalitat Valenciana.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*
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* For more information, contact:
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*
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* Generalitat Valenciana
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* Conselleria d'Infraestructures i Transport
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* Av. Blasco Ib��ez, 50
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* 46010 VALENCIA
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* SPAIN
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*
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* +34 963862235
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* gvsig@gva.es
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* www.gvsig.gva.es
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*
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* or
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*
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* IVER T.I. S.A
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* Salamanca 50
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* 46005 Valencia
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* Spain
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*
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* +34 963163400
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* dac@iver.es
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*/
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/* CVS MESSAGES:
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*
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* $Id: TimeDimension.java 4220 2006-02-28 12:57:44Z jaume $
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* $Log$
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* Revision 1.3.2.6 2006-02-28 12:54:12 jaume
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* *** empty log message ***
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*
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* Revision 1.3.2.5 2006/02/23 10:36:30 jaume
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* *** empty log message ***
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*
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* Revision 1.3.2.4 2006/02/10 13:22:35 jaume
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* now analyzes dimensions on demand
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*
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* Revision 1.3.2.3 2006/01/31 16:25:24 jaume
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* correcciones de bugs
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*
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* Revision 1.4 2006/01/26 16:07:14 jaume
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* *** empty log message ***
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*
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* Revision 1.3.2.1 2006/01/26 12:59:32 jaume
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* 0.5
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*
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* Revision 1.3 2006/01/24 18:01:17 jaume
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* *** empty log message ***
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*
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* Revision 1.2 2006/01/24 14:36:33 jaume
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* This is the new version
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*
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* Revision 1.1.2.11 2006/01/20 15:59:13 jaume
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* *** empty log message ***
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*
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* Revision 1.1.2.10 2006/01/20 15:22:46 jaume
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* *** empty log message ***
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*
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* Revision 1.1.2.9 2006/01/20 08:50:52 jaume
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* handles time dimension for the NASA Jet Propulsion Laboratory WMS
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*
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* Revision 1.1.2.8 2006/01/19 16:09:30 jaume
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* *** empty log message ***
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*
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* Revision 1.1.2.7 2006/01/11 12:20:30 jaume
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* *** empty log message ***
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*
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* Revision 1.1.2.6 2006/01/10 11:33:31 jaume
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* Time dimension working against Jet Propulsion Laboratory's WMS server
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*
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* Revision 1.1.2.5 2006/01/09 18:10:38 jaume
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* casi con el time dimension
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*
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* Revision 1.1.2.4 2006/01/05 23:15:53 jaume
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* *** empty log message ***
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*
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* Revision 1.1.2.3 2006/01/04 18:09:02 jaume
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* Time dimension
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*
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* Revision 1.1.2.2 2006/01/04 16:49:44 jaume
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* Time dimensios
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*
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* Revision 1.1.2.1 2006/01/03 18:08:40 jaume
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* *** empty log message ***
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*
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*
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*/
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/**
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*
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*/
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package com.iver.cit.gvsig.fmap.layers; |
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import java.util.ArrayList; |
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import java.util.GregorianCalendar; |
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import com.iver.andami.PluginServices; |
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/**
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* Class for WMS TIME dimension from a WMS. It allows you to handle the correct
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* values for this kind of dimension.
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* <br>
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* <p>
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* At the moment this class was written the WMS TIME dimension is defined as the
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* ISO8601 standard for expressing times.
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* </p>
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* <br>
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* <p>
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* As far as this class implements IFMapWMSDimension it uses the same interface
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* and documentation.
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* </p>
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*
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* @author jaume dominguez faus - jaume.dominguez@iver.es
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*/
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public class TimeDimension implements IFMapWMSDimension { |
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static private final byte YEAR_FORMAT = 1; |
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static private final byte YEAR_TO_MONTH_FORMAT = 2; |
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static private final byte YEAR_TO_DAY_FORMAT = 3; |
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static private final byte FULL_FORMAT = 4; |
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static private final long millisXsec = 1000; |
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static private final long millisXminute = 60 * millisXsec; |
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static private final long millisXhour = 60 * millisXminute; |
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static private final long millisXday = 24 * millisXhour; |
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static private final long millisXmonth = 30 * millisXday; |
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// according on the Wikipedia (1 year = 365 days 6 hours 9 minutes 9,7 seconds)
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static private final long millisXyear = (365*millisXday) + (6*millisXhour) + (9*millisXminute) + 9700; |
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static private final String digit = "[0-9]"; |
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static private final String nonZeroDigit = "[1-9]"; |
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static private final String seconds = "([0-5]"+digit+"((\\.|,)"+digit+digit+")?)"; |
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static private final String minutes = "([0-5]"+digit+")"; |
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static private final String hours = "(0"+digit+"|1"+digit+"|2[0-3])"; |
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static private final String time = hours+":"+minutes+"(:"+seconds+")?"; |
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static private final String days = "(0?"+nonZeroDigit+"|1"+digit+"|2"+digit+"|30|31)"; |
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static private final String months = "(0?"+nonZeroDigit+"|10|11|12)"; |
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static private final String year = "("+digit+digit+")"; |
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static private final String century = "("+digit+digit+")"; |
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static private final String floatingPointNumber = "("+digit+"+(\\."+digit+"+)?)"; |
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private String name = PluginServices.getText(this, "time"); |
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private String unit; |
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private String unitSymbol; |
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private ArrayList valueList; |
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private boolean compiled; |
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private boolean isGeologic; |
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private String expression; |
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private int type; |
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private byte format = 0; |
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static private final String regexDateExtendedForBCE1 = "B?"+century+year+"-"; |
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static private final String regexDateExtendedForBCE2 = "B?"+century+year+"-"+months; |
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static private final String regexDateExtendedForBCE3 = "B?"+century+year+"-"+months+"-"+days; |
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static private final String regexDateExtendedForBCE4 = "B?"+century+year+"-"+months+"-"+days+"(T| )"+time+"Z"; |
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// Note: in WMS 1.1.0 the suffix Z is optional
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static private final String regexDateExtendedForBCE = |
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"(" + regexDateExtendedForBCE1 + "|" |
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+ regexDateExtendedForBCE2 + "|"
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+ regexDateExtendedForBCE3 + "|"
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+ regexDateExtendedForBCE4 + ")";
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static private final String periodMagnitude = "(Y|M|D)"; |
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static private final String p1 = "(("+digit+")+"+periodMagnitude+")"; |
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static private final String timeMagnitude = "(H|M|S)"; |
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static private final String p2 = "("+floatingPointNumber+timeMagnitude+")"; |
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static private final String regexPeriod = "P(("+p1+"+"+"(T"+p2+")*)|("+p1+"*"+"(T"+p2+")+))"; |
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static private final String regexIntervalTimeDimension = |
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"("+regexDateExtendedForBCE+")/("+regexDateExtendedForBCE+")/("+regexPeriod+")"; |
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static private final String geologicDatasets = "(K|M|G)"; |
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static private final String regexDateForGeologicDatasets = geologicDatasets+floatingPointNumber; |
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/**
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* Creates a new instance of TimeDimension.
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* @param units
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* @param unitSymbol
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* @param expression
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*/
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public TimeDimension(String _units, String _unitSymbol, String _dimensionExpression) { |
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this.unit = _units;
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this.unitSymbol = _unitSymbol;
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setExpression(_dimensionExpression); |
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} |
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public String getName() { |
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return name;
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} |
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public String getUnit() { |
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return unit;
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} |
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public String getUnitSymbol() { |
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return unitSymbol;
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} |
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public String getLowLimit() { |
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return (String) valueList.get(0); |
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} |
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public String getHighLimit() { |
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return (String) valueList.get(valueList.size()-1); |
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} |
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public String getResolution() { |
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return null; |
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} |
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public boolean isValidValue(String value) { |
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return (value.matches(regexDateForGeologicDatasets) || value.matches(regexDateExtendedForBCE));
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} |
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public Object valueOf(String value) throws IllegalArgumentException { |
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if (compiled) {
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// TODO Missing geological dates
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String myValue = value.toUpperCase();
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if (isValidValue(myValue)) {
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Object val = null; |
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if (!isGeologic){
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// This is a normal date
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int myYear;
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int myMonth;
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int myDay;
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int myHour;
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int myMinute;
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float mySecond;
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String[] s = myValue.split("-"); |
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myYear = (s[0].charAt(0)=='B') ? -Integer.parseInt(s[0].substring(1, 5)) : Integer.parseInt(s[0].substring(0, 4)); |
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myMonth = (s.length>1) ? Integer.parseInt(s[1])-1 : 0; |
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if (myValue.matches(regexDateExtendedForBCE4)){
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if (s[2].endsWith("Z")) |
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s[2] = s[2].substring(0,s[2].length()-1); |
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s = (s[2].indexOf('T')!=-1) ? s[2].split("T") : s[2].split(" "); |
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myDay = Integer.parseInt(s[0]); |
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// Go with the time
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s = s[1].split(":"); |
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myHour = Integer.parseInt(s[0]); |
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myMinute = (s.length>1) ? Integer.parseInt(s[1]) : 0; |
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mySecond = (s.length>2) ? Float.parseFloat(s[2]) : 0; |
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} else {
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myDay = (s.length>2) ? Integer.parseInt(s[2]) : 1; |
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myHour = 0;
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myMinute = 0;
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mySecond = 0;
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} |
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GregorianCalendar cal = new GregorianCalendar(myYear, myMonth, myDay, myHour, myMinute, (int)mySecond); |
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val = cal; |
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} else{
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// this is a geological date >:-(
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} |
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return val;
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} else throw new IllegalArgumentException(myValue); |
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} |
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return null; |
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} |
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public String valueAt(int pos) throws ArrayIndexOutOfBoundsException { |
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return toString((GregorianCalendar) valueList.get(pos)); |
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} |
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public int valueCount() { |
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return valueList.size();
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} |
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public String getExpression() { |
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return expression;
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} |
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public void setExpression(String expr) { |
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this.expression = expr;
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} |
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public int getType() { |
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return type;
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} |
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public void compile() throws IllegalArgumentException { |
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compiled = true;
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valueList = new ArrayList(); |
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String[] items = expression.split(","); |
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for (int i = 0; i < items.length; i++) { |
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// Each iteration is a value of a comma-separated list
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// which can be a single date or even an expression defining
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// an interval.
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if (items[i].matches(regexDateExtendedForBCE1)) {
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upgradeFormat(YEAR_FORMAT); |
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valueList.add(valueOf(items[i])); |
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} else if (items[i].matches(regexDateExtendedForBCE2)) { |
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upgradeFormat(YEAR_TO_MONTH_FORMAT); |
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valueList.add(valueOf(items[i])); |
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} else if (items[i].matches(regexDateExtendedForBCE3)) { |
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upgradeFormat(YEAR_TO_DAY_FORMAT); |
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valueList.add(valueOf(items[i])); |
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} else if (items[i].matches(regexDateExtendedForBCE4)) { |
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upgradeFormat(FULL_FORMAT); |
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valueList.add(valueOf(items[i])); |
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} else if (items[i].matches(regexIntervalTimeDimension)) { |
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// Analyze and transform this interval expression to a list
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// of values.
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// min value
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String[] s = items[i].split("/"); |
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if (s[0].matches(regexDateExtendedForBCE1)) { |
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upgradeFormat(YEAR_FORMAT); |
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} else if (s[0].matches(regexDateExtendedForBCE2)) { |
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upgradeFormat(YEAR_TO_MONTH_FORMAT); |
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} else if (s[0].matches(regexDateExtendedForBCE3)) { |
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upgradeFormat(YEAR_TO_DAY_FORMAT); |
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} else if (s[0].matches(regexDateExtendedForBCE4)) { |
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upgradeFormat(FULL_FORMAT); |
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} |
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Object minValue = valueOf(s[0]); |
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// max value
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if (s[0].matches(regexDateExtendedForBCE1)) { |
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upgradeFormat(YEAR_FORMAT); |
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} else if (s[1].matches(regexDateExtendedForBCE2)) { |
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upgradeFormat(YEAR_TO_MONTH_FORMAT); |
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} else if (s[1].matches(regexDateExtendedForBCE3)) { |
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upgradeFormat(YEAR_TO_DAY_FORMAT); |
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} else if (s[1].matches(regexDateExtendedForBCE4)) { |
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upgradeFormat(FULL_FORMAT); |
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} |
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Object maxValue = valueOf(s[1]); |
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String period = s[2]; |
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if (period == null) { |
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valueList.add(minValue); |
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valueList.add(maxValue); |
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continue;
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} |
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long x1 = ((GregorianCalendar) maxValue).getTimeInMillis(); |
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long x0 = ((GregorianCalendar) minValue).getTimeInMillis(); |
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long distance = x1-x0;
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long step = 0; |
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boolean isTimeField = false; |
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String val = ""; |
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for (int j = 0; j < period.length(); j++) { |
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if (period.charAt(j) == 'P') |
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continue;
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if (period.charAt(j) == 'T') { |
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isTimeField = true;
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continue;
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} |
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switch (period.charAt(j)) {
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case 'Y': |
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step += Integer.parseInt(val) * millisXyear;
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val = "";
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break;
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case 'M': |
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if (isTimeField)
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step += Integer.parseInt(val) * millisXminute;
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else
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step += Integer.parseInt(val) * millisXmonth;
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val = "";
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break;
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case 'D': |
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step += Integer.parseInt(val) * millisXday;
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val = "";
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break;
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case 'H': |
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step += Integer.parseInt(val) * millisXhour;
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val = "";
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break;
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case 'S': |
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step += Integer.parseInt(val) * 1000; |
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val = "";
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break;
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default:
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val += period.charAt(j); |
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break;
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} |
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} |
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// Now that we know the earliest and the latest date and the period
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// between two dates, I'm going to populate the list of values
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// considering these values.
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int valueCount = (int)(distance/step) + 1; // + 1 for the initial point |
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valueList.add(minValue); |
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for (int pos = 1; pos < valueCount; pos++) { |
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long newTime = ((GregorianCalendar) minValue).getTimeInMillis(); |
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newTime += (step*pos); |
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GregorianCalendar cal = new GregorianCalendar(); |
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cal.setTimeInMillis(newTime); |
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if (cal.after(maxValue) || cal.before(minValue))
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continue;
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valueList.add(cal); |
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} |
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valueList.add(maxValue); |
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} else {
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compiled = false;
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throw new IllegalArgumentException(); |
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} |
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} |
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} |
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/**
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* Prints a GregorianCalendar value in WMS1.1.1 format.
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* @param cal
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* @return
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*/
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private String toString(GregorianCalendar cal) { |
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int iYear = cal.get(cal.YEAR);
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int iMonth = cal.get(cal.MONTH) + 1; |
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int iDay = cal.get(cal.DAY_OF_MONTH);
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int iHour = cal.get(cal.HOUR_OF_DAY);
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int iMinute = cal.get(cal.MINUTE);
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int iSecond = cal.get(cal.SECOND);
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String myYear;
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if (iYear<10) |
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myYear = "200"+iYear;
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else if (iYear<100) |
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myYear = "20"+iYear;
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else if (iYear<1000) |
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myYear = "2"+iYear;
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else
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myYear = ""+iYear;
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String myMonth = (iMonth<10) ? "0"+iMonth : ""+iMonth; |
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String myDay = (iDay<10) ? "0"+iDay : ""+iDay; |
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String myHour = (iHour<10) ? "0"+iHour : ""+iHour; |
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String myMinute = (iMinute<10)? "0"+iMinute : ""+iMinute; |
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String mySecond = (iSecond<10)? "0"+iSecond : ""+iSecond; |
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int myMilliSecond = cal.get(cal.MILLISECOND);
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String s = null; |
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if (format == YEAR_FORMAT)
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s = myYear+"";
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else if (format == YEAR_TO_MONTH_FORMAT) |
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s = myYear+"-"+myMonth;
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else if (format == YEAR_TO_DAY_FORMAT) |
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s = myYear+"-"+myMonth+"-"+myDay; |
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else if (format == FULL_FORMAT) |
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s = myYear+"-"+myMonth+"-"+myDay+"T"+myHour+":"+myMinute+":"+mySecond+"."+(myMilliSecond/10)+"Z"; |
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if (iYear<0) |
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s = "B"+s;
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return s;
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} |
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private void upgradeFormat(byte sFormat) { |
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switch (sFormat) {
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case YEAR_FORMAT:
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if (format < YEAR_FORMAT)
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format = YEAR_FORMAT; |
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break;
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case YEAR_TO_MONTH_FORMAT:
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if (format < YEAR_TO_MONTH_FORMAT)
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format = YEAR_TO_MONTH_FORMAT; |
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break;
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case YEAR_TO_DAY_FORMAT:
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if (format < YEAR_TO_DAY_FORMAT)
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format = YEAR_TO_DAY_FORMAT; |
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break;
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case FULL_FORMAT:
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if (format < FULL_FORMAT)
|
482 |
format = FULL_FORMAT; |
483 |
break;
|
484 |
} |
485 |
} |
486 |
} |
487 |
|
488 |
|
489 |
/*
|
490 |
|
491 |
// an old (and good one) version. However, the new version is a bit better.
|
492 |
|
493 |
public class TimeDimension implements IFMapWMSDimension {
|
494 |
static private final long millisXsec = 1000;
|
495 |
static private final long millisXminute = 60 * millisXsec;
|
496 |
static private final long millisXhour = 60 * millisXminute;
|
497 |
static private final long millisXday = 24 * millisXhour;
|
498 |
static private final long millisXmonth = 30 * millisXday;
|
499 |
// according on the Wikipedia (1 year = 365 days 6 hours 9 minutes 9,7 seconds)
|
500 |
static private final long millisXyear = (365*millisXday) + (6*millisXhour) + (9*millisXminute) + 9700;
|
501 |
|
502 |
static private final String digit = "[0-9]";
|
503 |
static private final String nonZeroDigit = "[1-9]";
|
504 |
static private final String letter = "[a-zA-Z]";
|
505 |
static private final String seconds = "([0-5]"+digit+"((\\.|,)"+digit+digit+")?)";
|
506 |
static private final String minutes = "([0-5]"+digit+")";
|
507 |
static private final String hours = "(0"+digit+"|1"+digit+"|2[0-3])";
|
508 |
static private final String time = hours+":"+minutes+"(:"+seconds+")?";
|
509 |
static private final String days = "(0?"+nonZeroDigit+"|1"+digit+"|2"+digit+"|30|31)";
|
510 |
static private final String months = "(0?"+nonZeroDigit+"|10|11|12)";
|
511 |
static private final String year = "("+digit+digit+")";
|
512 |
static private final String century = "("+digit+digit+")";
|
513 |
|
514 |
static private final String geologicDatasets = "(K|M|G)";
|
515 |
static private final String floatingPointNumber = "("+digit+"+(\\."+digit+"+)?)";
|
516 |
|
517 |
|
518 |
static private final String regexDateExtendedForBCE1 = "B?"+century+year+"-";
|
519 |
static private final String regexDateExtendedForBCE2 = "B?"+century+year+"-"+months;
|
520 |
static private final String regexDateExtendedForBCE3 = "B?"+century+year+"-"+months+"-"+days;
|
521 |
static private final String regexDateExtendedForBCE4 = "B?"+century+year+"-"+months+"-"+days+"(T| )"+time+"Z";
|
522 |
// Note: in WMS 1.1.0 the suffix Z is optional
|
523 |
// TODO truncated values not yet allowed
|
524 |
|
525 |
static private final String regexDateExtendedForBCE =
|
526 |
"(" + regexDateExtendedForBCE1 + "|"
|
527 |
+ regexDateExtendedForBCE2 + "|"
|
528 |
+ regexDateExtendedForBCE3 + "|"
|
529 |
+ regexDateExtendedForBCE4 + ")";
|
530 |
|
531 |
|
532 |
static private final String regexDateForGeologicDatasets = geologicDatasets+floatingPointNumber;
|
533 |
|
534 |
static private final String periodMagnitude = "(Y|M|D)";
|
535 |
static private final String p1 = "(("+digit+")+"+periodMagnitude+")";
|
536 |
|
537 |
static private final String timeMagnitude = "(H|M|S)";
|
538 |
static private final String p2 = "("+floatingPointNumber+timeMagnitude+")";
|
539 |
static private final String regexPeriod = "P(("+p1+"+"+"(T"+p2+")*)|("+p1+"*"+"(T"+p2+")+))";
|
540 |
|
541 |
static private final String regexTimeDimension =
|
542 |
"("+regexDateExtendedForBCE+"(,"+regexDateExtendedForBCE+")*|("+regexDateExtendedForBCE+")/("+regexDateExtendedForBCE+")/("+regexPeriod+"))";
|
543 |
|
544 |
private String name = "TIME";
|
545 |
private String unit;
|
546 |
private String unitSymbol;
|
547 |
private String expression;
|
548 |
private Object minValue;
|
549 |
private Object maxValue;
|
550 |
private boolean isGeologic = false;
|
551 |
private Integer valueCount;
|
552 |
private String period;
|
553 |
private long step; // Distance between two points in milliseconds.
|
554 |
private int type;
|
555 |
private boolean compiled = false;
|
556 |
|
557 |
/**
|
558 |
* Creates a new instance of TimeDimension.
|
559 |
* @param units
|
560 |
* @param unitSymbol
|
561 |
* @param expression
|
562 |
* /
|
563 |
public TimeDimension(String _units, String _unitSymbol, String _dimensionExpression) {
|
564 |
this.unit = _units;
|
565 |
this.unitSymbol = _unitSymbol;
|
566 |
setExpression(_dimensionExpression);
|
567 |
}
|
568 |
|
569 |
public String getName() {
|
570 |
return name;
|
571 |
}
|
572 |
|
573 |
public String getUnit() {
|
574 |
return unit;
|
575 |
}
|
576 |
|
577 |
public String getUnitSymbol() {
|
578 |
return unitSymbol;
|
579 |
}
|
580 |
|
581 |
|
582 |
public String getLowLimit() {
|
583 |
String separator = (type == INTERVAL) ? "/" : ",";
|
584 |
return expression.split(separator)[0];
|
585 |
}
|
586 |
|
587 |
public String getHighLimit() {
|
588 |
if (type == INTERVAL) {
|
589 |
String[] s = expression.split("/");
|
590 |
return (s.length > 1) ? s[1] : s[0];
|
591 |
} else if (type == MULTIPLE_VALUE) {
|
592 |
String[] s = expression.split(",");
|
593 |
return s[s.length-1];
|
594 |
} else {
|
595 |
return expression;
|
596 |
}
|
597 |
|
598 |
}
|
599 |
|
600 |
public String getResolution() {
|
601 |
if (type == INTERVAL) {
|
602 |
String[] s = expression.split("/");
|
603 |
return (s.length == 1) ? s[3] : null;
|
604 |
} else return null;
|
605 |
}
|
606 |
|
607 |
public boolean isValidValue(String value) {
|
608 |
return (value.matches(regexDateForGeologicDatasets) || value.matches(regexDateExtendedForBCE));
|
609 |
}
|
610 |
|
611 |
public Object valueOf(String value) throws IllegalArgumentException {
|
612 |
if (compiled) {
|
613 |
// TODO Missing geological dates
|
614 |
String myValue = value.toUpperCase();
|
615 |
if (isValidValue(myValue)) {
|
616 |
Object val = null;
|
617 |
if (!isGeologic){
|
618 |
// This is a normal date
|
619 |
int myYear;
|
620 |
int myMonth;
|
621 |
int myDay;
|
622 |
int myHour;
|
623 |
int myMinute;
|
624 |
float mySecond;
|
625 |
String[] s = myValue.split("-");
|
626 |
myYear = (s[0].charAt(0)=='B')? -Integer.parseInt(s[0].substring(1, 5)) : Integer.parseInt(s[0].substring(0, 4));
|
627 |
myMonth = (s.length>1) ? Integer.parseInt(s[1])-1 : 0;
|
628 |
if (myValue.matches(regexDateExtendedForBCE4)){
|
629 |
if (s[2].endsWith("Z"))
|
630 |
s[2] = s[2].substring(0,s[2].length()-1);
|
631 |
s = (s[2].indexOf('T')!=-1) ? s[2].split("T") : s[2].split(" ");
|
632 |
myDay = Integer.parseInt(s[0]);
|
633 |
|
634 |
// Go with the time
|
635 |
s = s[1].split(":");
|
636 |
myHour = Integer.parseInt(s[0]);
|
637 |
myMinute = (s.length>1) ? Integer.parseInt(s[1]) : 0;
|
638 |
mySecond = (s.length>2) ? Float.parseFloat(s[2]) : 0;
|
639 |
} else {
|
640 |
myDay = (s.length>2) ? Integer.parseInt(s[2]) : 1;
|
641 |
|
642 |
myHour = 0;
|
643 |
myMinute = 0;
|
644 |
mySecond = 0;
|
645 |
}
|
646 |
GregorianCalendar cal = new GregorianCalendar(myYear, myMonth, myDay, myHour, myMinute, (int)mySecond);
|
647 |
val = cal;
|
648 |
} else{
|
649 |
// this is a geological date >:-(
|
650 |
}
|
651 |
return val;
|
652 |
} else throw new IllegalArgumentException(myValue);
|
653 |
}
|
654 |
return null;
|
655 |
}
|
656 |
|
657 |
public String valueAt(int pos) throws ArrayIndexOutOfBoundsException {
|
658 |
if (compiled) {
|
659 |
if (pos<0 || pos>valueCount())
|
660 |
throw new ArrayIndexOutOfBoundsException(pos+"(must be >= 0 and <="+valueCount()+")");
|
661 |
|
662 |
if (type == SINGLE_VALUE)
|
663 |
return expression;
|
664 |
|
665 |
if (type == MULTIPLE_VALUE)
|
666 |
return expression.split(",")[pos];
|
667 |
|
668 |
if (!isGeologic){
|
669 |
long newTime = ((GregorianCalendar) minValue).getTimeInMillis();
|
670 |
newTime += (step*pos);
|
671 |
GregorianCalendar cal = new GregorianCalendar();
|
672 |
cal.setTimeInMillis(newTime);
|
673 |
if (cal.after(maxValue))
|
674 |
return toString((GregorianCalendar) maxValue);
|
675 |
else if (cal.before(minValue))
|
676 |
return toString((GregorianCalendar) minValue);
|
677 |
else
|
678 |
return toString(cal);
|
679 |
}
|
680 |
}
|
681 |
return null;
|
682 |
}
|
683 |
|
684 |
/**
|
685 |
* Prints a GregorianCalendar value in WMS1.1.1 format.
|
686 |
* @param cal
|
687 |
* @return
|
688 |
* /
|
689 |
private String toString(GregorianCalendar cal) {
|
690 |
int iYear = cal.get(cal.YEAR);
|
691 |
int iMonth = cal.get(cal.MONTH) + 1;
|
692 |
int iDay = cal.get(cal.DAY_OF_MONTH);
|
693 |
int iHour = cal.get(cal.HOUR_OF_DAY);
|
694 |
int iMinute = cal.get(cal.MINUTE);
|
695 |
int iSecond = cal.get(cal.SECOND);
|
696 |
String myYear;
|
697 |
if (iYear<10)
|
698 |
myYear = "200"+iYear;
|
699 |
else if (iYear<100)
|
700 |
myYear = "20"+iYear;
|
701 |
else if (iYear<1000)
|
702 |
myYear = "2"+iYear;
|
703 |
else
|
704 |
myYear = ""+iYear;
|
705 |
String myMonth = (iMonth<10) ? "0"+iMonth : ""+iMonth;
|
706 |
String myDay = (iDay<10) ? "0"+iDay : ""+iDay;
|
707 |
String myHour = (iHour<10) ? "0"+iHour : ""+iHour;
|
708 |
String myMinute = (iMinute<10)? "0"+iMinute : ""+iMinute;
|
709 |
String mySecond = (iSecond<10)? "0"+iSecond : ""+iSecond;
|
710 |
int myMilliSecond = cal.get(cal.MILLISECOND);
|
711 |
|
712 |
|
713 |
String s = myYear+"-"+myMonth+"-"+myDay+"T"+myHour+":"+myMinute+":"+mySecond+"."+(myMilliSecond/10)+"Z";
|
714 |
if (iYear<0)
|
715 |
s = "B"+s;
|
716 |
return s;
|
717 |
}
|
718 |
|
719 |
public int valueCount() {
|
720 |
if (compiled) {
|
721 |
if (valueCount==null){
|
722 |
if (type == MULTIPLE_VALUE) {
|
723 |
return expression.split(",").length;
|
724 |
} else if (type == INTERVAL) {
|
725 |
if (period == null) {
|
726 |
valueCount = new Integer(0);
|
727 |
return valueCount.intValue();
|
728 |
}
|
729 |
|
730 |
if (!isGeologic){
|
731 |
|
732 |
long x1 = ((GregorianCalendar) maxValue).getTimeInMillis();
|
733 |
long x0 = ((GregorianCalendar) minValue).getTimeInMillis();
|
734 |
long distance = x1-x0;
|
735 |
step = 0;
|
736 |
|
737 |
boolean isTimeField = false;
|
738 |
String val = "";
|
739 |
|
740 |
for (int i = 0; i < period.length(); i++) {
|
741 |
if (period.charAt(i) == 'P')
|
742 |
continue;
|
743 |
if (period.charAt(i) == 'T'){
|
744 |
isTimeField = true;
|
745 |
continue;
|
746 |
}
|
747 |
switch (period.charAt(i)){
|
748 |
case 'Y':
|
749 |
step += Integer.parseInt(val) * millisXyear;
|
750 |
val = "";
|
751 |
break;
|
752 |
case 'M':
|
753 |
if (isTimeField)
|
754 |
step += Integer.parseInt(val) * millisXminute;
|
755 |
else
|
756 |
step += Integer.parseInt(val) * millisXmonth;
|
757 |
val = "";
|
758 |
break;
|
759 |
case 'D':
|
760 |
step += Integer.parseInt(val) * millisXday;
|
761 |
val = "";
|
762 |
break;
|
763 |
case 'H':
|
764 |
step += Integer.parseInt(val) * millisXhour;
|
765 |
val = "";
|
766 |
break;
|
767 |
case 'S':
|
768 |
step += Integer.parseInt(val) * 1000;
|
769 |
val = "";
|
770 |
break;
|
771 |
default:
|
772 |
val += period.charAt(i);
|
773 |
break;
|
774 |
}
|
775 |
}
|
776 |
valueCount = new Integer((int)(distance/step) + 1); // + 1 for the initial point
|
777 |
}
|
778 |
} else {
|
779 |
// this is a single value expression
|
780 |
valueCount = new Integer(1);
|
781 |
return valueCount.intValue();
|
782 |
}
|
783 |
}
|
784 |
|
785 |
return valueCount.intValue();
|
786 |
}
|
787 |
return -1;
|
788 |
}
|
789 |
|
790 |
public void setExpression(String expr) {
|
791 |
expression = expr.toUpperCase();
|
792 |
}
|
793 |
|
794 |
public String getExpression() {
|
795 |
return expression;
|
796 |
}
|
797 |
|
798 |
public int getType() {
|
799 |
return type;
|
800 |
}
|
801 |
|
802 |
public void compile() {
|
803 |
if (expression.matches(regexTimeDimension)){
|
804 |
isGeologic = false;
|
805 |
} else if (expression.matches(regexDateExtendedForBCE)) {
|
806 |
isGeologic = false;
|
807 |
} else if (expression.matches(regexDateForGeologicDatasets)){
|
808 |
isGeologic = true;
|
809 |
} else {
|
810 |
throw new IllegalArgumentException();
|
811 |
}
|
812 |
String separator;
|
813 |
|
814 |
if (expression.indexOf("/")!=-1) {
|
815 |
separator = "/";
|
816 |
type = INTERVAL;
|
817 |
} else if (expression.indexOf(",")!=-1) {
|
818 |
separator = ",";
|
819 |
type = MULTIPLE_VALUE;
|
820 |
} else {
|
821 |
separator = ",";
|
822 |
type = SINGLE_VALUE;
|
823 |
}
|
824 |
|
825 |
compiled = true;
|
826 |
String[] s = expression.split(separator);
|
827 |
minValue = valueOf(s[0]);
|
828 |
if (type == INTERVAL) {
|
829 |
maxValue = (s.length>1) ? valueOf(s[1]) : valueOf(s[0]);
|
830 |
period = (s.length>2 && s[2].matches(regexPeriod)) ? s[2] : null;
|
831 |
} else if (type == MULTIPLE_VALUE) {
|
832 |
maxValue = valueOf(s[s.length-1]);
|
833 |
} else {
|
834 |
maxValue = valueOf(s[0]);
|
835 |
}
|
836 |
}
|
837 |
}*/
|
838 |
|
839 |
|