svn-gvsig-desktop / trunk / libraries / libGPE-KML / src / org / gvsig / gpe / kml / reader / bindings / geometries / LineStringTypeBinding.java @ 11573
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1 | 11573 | jorpiell | package org.gvsig.gpe.kml.reader.bindings.geometries; |
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2 | |||
3 | import java.io.IOException; |
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4 | |||
5 | import org.gvsig.gpe.kml.GPEKmlParser; |
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6 | import org.gvsig.gpe.kml.KmlTags; |
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7 | import org.gvsig.gpe.kml.exceptions.KmlBodyParseException; |
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8 | import org.kxml2.io.KXmlParser; |
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9 | import org.xmlpull.v1.XmlPullParser; |
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10 | import org.xmlpull.v1.XmlPullParserException; |
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11 | |||
12 | /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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13 | *
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14 | * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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15 | *
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16 | * This program is free software; you can redistribute it and/or
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17 | * modify it under the terms of the GNU General Public License
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18 | * as published by the Free Software Foundation; either version 2
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19 | * of the License, or (at your option) any later version.
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20 | *
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21 | * This program is distributed in the hope that it will be useful,
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22 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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23 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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24 | * GNU General Public License for more details.
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25 | *
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26 | * You should have received a copy of the GNU General Public License
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27 | * along with this program; if not, write to the Free Software
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28 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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29 | *
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30 | * For more information, contact:
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31 | *
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32 | * Generalitat Valenciana
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33 | * Conselleria d'Infraestructures i Transport
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34 | * Av. Blasco Ib??ez, 50
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35 | * 46010 VALENCIA
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36 | * SPAIN
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37 | *
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38 | * +34 963862235
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39 | * gvsig@gva.es
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40 | * www.gvsig.gva.es
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41 | *
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42 | * or
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43 | *
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44 | * IVER T.I. S.A
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45 | * Salamanca 50
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46 | * 46005 Valencia
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47 | * Spain
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48 | *
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49 | * +34 963163400
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50 | * dac@iver.es
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51 | */
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52 | /* CVS MESSAGES:
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53 | *
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54 | * $Id$
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55 | * $Log$
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56 | * Revision 1.1 2007-05-11 07:06:29 jorpiell
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57 | * Refactoring of some package names
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58 | *
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59 | * Revision 1.4 2007/05/08 08:22:37 jorpiell
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60 | * Add comments to create javadocs
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61 | *
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62 | * Revision 1.3 2007/05/02 11:46:50 jorpiell
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63 | * Writing tests updated
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64 | *
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65 | * Revision 1.2 2007/04/20 08:38:59 jorpiell
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66 | * Tests updating
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67 | *
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68 | * Revision 1.1 2007/04/13 13:16:21 jorpiell
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69 | * Add KML reading support
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70 | *
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71 | * Revision 1.1 2007/03/07 08:19:10 jorpiell
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72 | * Pasadas las clases de KML de libGPE-GML a libGPE-KML
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73 | *
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74 | * Revision 1.1 2007/02/28 11:48:31 csanchez
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75 | * *** empty log message ***
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76 | *
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77 | * Revision 1.1 2007/02/20 10:53:20 jorpiell
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78 | * A?adidos los proyectos de kml y gml antiguos
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79 | *
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80 | * Revision 1.1 2007/02/12 13:49:18 jorpiell
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81 | * A?adido el driver de KML
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82 | *
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83 | *
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84 | */
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85 | /**
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86 | * It parses the LineString tag. Example:
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87 | * <p>
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88 | * <pre>
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89 | * <code>
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90 | * <LineString>
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91 | * <coord><X>56.1</X><Y>0.45</Y></coord>
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92 | * <coord><X>67.23</X><Y>0.98</Y></coord>
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93 | * </LineString>
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94 | * </code>
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95 | * </pre>
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96 | * </p>
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97 | * @author Jorge Piera Llodr? (piera_jor@gva.es)
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98 | * @see http://code.google.com/apis/kml/documentation/kml_tags_21.html#linestring
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99 | */
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100 | public class LineStringTypeBinding { |
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101 | |||
102 | /**
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103 | * It parses the LineString tag
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104 | * @param parser
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105 | * The XML parser
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106 | * @param handler
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107 | * The GPE parser that contains the content handler and
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108 | * the error handler
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109 | * @return
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110 | * A line string
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111 | * @throws IOException
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112 | * @throws XmlPullParserException
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113 | * @throws XmlPullParserException
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114 | * @throws IOException
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115 | */
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116 | public static Object parse(XmlPullParser parser,GPEKmlParser handler) throws XmlPullParserException, IOException { |
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117 | boolean endFeature = false; |
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118 | int currentTag;
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119 | Object lineString = null; |
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120 | |||
121 | String id = GeometryBinding.getID(parser, handler);
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122 | |||
123 | String tag = parser.getName();
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124 | currentTag = parser.getEventType(); |
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125 | |||
126 | while (!endFeature){
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127 | switch(currentTag){
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128 | case KXmlParser.START_TAG:
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129 | if (tag.compareTo(KmlTags.COORDINATES) == 0){ |
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130 | double[][] coordinates = CoordinatesTypeBinding.parse(parser, handler); |
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131 | lineString = handler.getContentHandler().startLineString(id, |
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132 | coordinates[0],
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133 | coordinates[1],
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134 | coordinates[2],
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135 | KmlTags.DEFAULT_SRS); |
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136 | } |
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137 | break;
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138 | case KXmlParser.END_TAG:
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139 | if (tag.compareTo(KmlTags.LINESTRING) == 0){ |
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140 | endFeature = true;
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141 | handler.getContentHandler().endLineString(lineString); |
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142 | } |
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143 | break;
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144 | case KXmlParser.TEXT:
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145 | |||
146 | break;
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147 | } |
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148 | if (!endFeature){
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149 | currentTag = parser.next(); |
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150 | tag = parser.getName(); |
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151 | } |
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152 | } |
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153 | return lineString;
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154 | } |
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155 | } |