svn-gvsig-desktop / trunk / libraries / libGPE-GML / src / org / gvsig / gpe / gml / GMLFeaturesParser.java @ 11380
History | View | Annotate | Download (5.32 KB)
| 1 |
package org.gvsig.gpe.gml; |
|---|---|
| 2 |
|
| 3 |
import java.awt.geom.Rectangle2D; |
| 4 |
|
| 5 |
import org.gvsig.exceptions.BaseException; |
| 6 |
import org.gvsig.gpe.gml.exceptions.GMLException; |
| 7 |
import org.gvsig.gpe.gml.factories.IGeometriesFactory; |
| 8 |
import org.gvsig.gpe.gml.schemas.XMLSchemaParser; |
| 9 |
import org.kxml2.io.KXmlParser; |
| 10 |
|
| 11 |
/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
|
| 12 |
*
|
| 13 |
* Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
|
| 14 |
*
|
| 15 |
* This program is free software; you can redistribute it and/or
|
| 16 |
* modify it under the terms of the GNU General Public License
|
| 17 |
* as published by the Free Software Foundation; either version 2
|
| 18 |
* of the License, or (at your option) any later version.
|
| 19 |
*
|
| 20 |
* This program is distributed in the hope that it will be useful,
|
| 21 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 22 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| 23 |
* GNU General Public License for more details.
|
| 24 |
*
|
| 25 |
* You should have received a copy of the GNU General Public License
|
| 26 |
* along with this program; if not, write to the Free Software
|
| 27 |
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
|
| 28 |
*
|
| 29 |
* For more information, contact:
|
| 30 |
*
|
| 31 |
* Generalitat Valenciana
|
| 32 |
* Conselleria d'Infraestructures i Transport
|
| 33 |
* Av. Blasco Ib??ez, 50
|
| 34 |
* 46010 VALENCIA
|
| 35 |
* SPAIN
|
| 36 |
*
|
| 37 |
* +34 963862235
|
| 38 |
* gvsig@gva.es
|
| 39 |
* www.gvsig.gva.es
|
| 40 |
*
|
| 41 |
* or
|
| 42 |
*
|
| 43 |
* IVER T.I. S.A
|
| 44 |
* Salamanca 50
|
| 45 |
* 46005 Valencia
|
| 46 |
* Spain
|
| 47 |
*
|
| 48 |
* +34 963163400
|
| 49 |
* dac@iver.es
|
| 50 |
*/
|
| 51 |
/* CVS MESSAGES:
|
| 52 |
*
|
| 53 |
* $Id: GMLFeaturesParser.java 10550 2007-02-28 11:49:30Z csanchez $
|
| 54 |
* $Log$
|
| 55 |
* Revision 1.1 2007-02-28 11:48:31 csanchez
|
| 56 |
* *** empty log message ***
|
| 57 |
*
|
| 58 |
* Revision 1.1 2007/02/20 10:53:20 jorpiell
|
| 59 |
* A?adidos los proyectos de kml y gml antiguos
|
| 60 |
*
|
| 61 |
* Revision 1.3 2007/01/15 13:11:00 csanchez
|
| 62 |
* Sistema de Warnings y Excepciones adaptado a BasicException
|
| 63 |
*
|
| 64 |
* Revision 1.2 2006/12/22 11:25:44 csanchez
|
| 65 |
* Nuevo parser GML 2.x para gml's sin esquema
|
| 66 |
*
|
| 67 |
* Revision 1.1 2006/08/10 12:00:49 jorpiell
|
| 68 |
* Primer commit del driver de Gml
|
| 69 |
*
|
| 70 |
*
|
| 71 |
*/
|
| 72 |
/**
|
| 73 |
* This class has all the methods that a GML parser
|
| 74 |
* must implement. It has methods to parse some data and
|
| 75 |
* methods to get info about the GML file
|
| 76 |
*
|
| 77 |
* @author Jorge Piera Llodr? (piera_jor@gva.es)
|
| 78 |
* @author Carlos S?nchez Peri??n (sanchez_carper@gva.es)
|
| 79 |
*
|
| 80 |
*/
|
| 81 |
public abstract class GMLFeaturesParser { |
| 82 |
private XMLSchemaParser parser = null; |
| 83 |
private IGeometriesFactory factory = null; |
| 84 |
private String documentRoot = null; |
| 85 |
private Extent extent = null; |
| 86 |
|
| 87 |
public GMLFeaturesParser(IGeometriesFactory factory,XMLSchemaParser parser) throws Exception { |
| 88 |
super();
|
| 89 |
this.factory = factory;
|
| 90 |
this.parser = parser;
|
| 91 |
initialize(); |
| 92 |
} |
| 93 |
|
| 94 |
/**
|
| 95 |
* Gets one iterator to retrieve all the
|
| 96 |
* GML features
|
| 97 |
* @param file
|
| 98 |
* File to parse
|
| 99 |
* @return
|
| 100 |
*/
|
| 101 |
public abstract IGMLFeaturesIterator getFeaturesReader() throws BaseException; |
| 102 |
/**
|
| 103 |
* It initializes the GML file. It parses all the GML code
|
| 104 |
* that is located before the GML features
|
| 105 |
* @throws GMLException
|
| 106 |
*/
|
| 107 |
private void initialize() throws Exception{ |
| 108 |
//It changes the namespace to "gml" for check all the features in the file
|
| 109 |
parser.setSchema("gml");
|
| 110 |
int currentTag;
|
| 111 |
|
| 112 |
currentTag = parser.getEventType(); |
| 113 |
switch(currentTag){
|
| 114 |
case KXmlParser.START_TAG:
|
| 115 |
//This is the main tag of the document
|
| 116 |
documentRoot = parser.getName(); |
| 117 |
break;
|
| 118 |
case KXmlParser.END_TAG:
|
| 119 |
break;
|
| 120 |
case KXmlParser.TEXT:
|
| 121 |
break;
|
| 122 |
} |
| 123 |
//now it parses the header of the file
|
| 124 |
initializeHeader(); |
| 125 |
} |
| 126 |
|
| 127 |
/**
|
| 128 |
* It initializes some GML fields like the BBOX, the imports,
|
| 129 |
* etc.
|
| 130 |
* @throws GMLException
|
| 131 |
* @throws BaseException
|
| 132 |
*/
|
| 133 |
public abstract void initializeHeader() throws BaseException; |
| 134 |
|
| 135 |
/**
|
| 136 |
* @return Returns the extent.
|
| 137 |
*/
|
| 138 |
public Extent getExtent() {
|
| 139 |
return extent;
|
| 140 |
} |
| 141 |
|
| 142 |
/**
|
| 143 |
* @return Returns the documentRoot.
|
| 144 |
*/
|
| 145 |
public String getDocumentRoot() { |
| 146 |
return documentRoot;
|
| 147 |
} |
| 148 |
|
| 149 |
/**
|
| 150 |
* @return Returns the factory.
|
| 151 |
*/
|
| 152 |
public IGeometriesFactory getFactory() {
|
| 153 |
return factory;
|
| 154 |
} |
| 155 |
|
| 156 |
/**
|
| 157 |
* @return Returns the parser.
|
| 158 |
*/
|
| 159 |
public XMLSchemaParser getParser() {
|
| 160 |
return parser;
|
| 161 |
} |
| 162 |
|
| 163 |
/**
|
| 164 |
* @param extent The extent to set.
|
| 165 |
*/
|
| 166 |
public void setExtent(Extent extent) { |
| 167 |
this.extent = extent;
|
| 168 |
} |
| 169 |
|
| 170 |
/************************************************************************************
|
| 171 |
* Class <Extent> *
|
| 172 |
* This class take the cords of reference where it will draw the shape *
|
| 173 |
* Ussualy this references are indicated by the <boundedBy> tag. *
|
| 174 |
* <gml:boundedBy> *
|
| 175 |
* <gml:Box srsName="http://www.opengis.net/gml/srs/epsg.xml#23030"> *
|
| 176 |
* <gml:coordinates decimal="." cs="," ts=" "> *
|
| 177 |
* -135.15989685058594,43.97196475963302 -41.46491900991063,76.32874354251143 *
|
| 178 |
* </gml:coordinates> *
|
| 179 |
* </gml:Box> *
|
| 180 |
* </gml:boundedBy> *
|
| 181 |
* **********************************************************************************/
|
| 182 |
|
| 183 |
public static class Extent{ |
| 184 |
private Rectangle2D extent = null; |
| 185 |
|
| 186 |
//it has the reference system.
|
| 187 |
private String srs = null; |
| 188 |
|
| 189 |
public Extent(Rectangle2D extent, String srs) { |
| 190 |
super();
|
| 191 |
this.extent = extent;
|
| 192 |
this.srs = srs;
|
| 193 |
} |
| 194 |
/**
|
| 195 |
* @return Returns the extent.
|
| 196 |
*/
|
| 197 |
public Rectangle2D getExtent() { |
| 198 |
return extent;
|
| 199 |
} |
| 200 |
/**
|
| 201 |
* @return Returns the srs.
|
| 202 |
*/
|
| 203 |
public String getSrs() { |
| 204 |
return srs;
|
| 205 |
} |
| 206 |
} |
| 207 |
} |