svn-gvsig-desktop / trunk / libraries / libGPE-GML / src / org / gvsig / gpe / gml / bindings / FeatureTypeBinding.java @ 11641
History | View | Annotate | Download (4.99 KB)
1 | 11604 | jorpiell | package org.gvsig.gpe.gml.bindings; |
---|---|---|---|
2 | |||
3 | import java.io.IOException; |
||
4 | import java.util.Hashtable; |
||
5 | |||
6 | import org.gvsig.gpe.gml.GMLTags; |
||
7 | import org.gvsig.gpe.gml.GPEGmlParser; |
||
8 | import org.gvsig.gpe.gml.bindings.geometries.BoundedByTypeBinding; |
||
9 | import org.gvsig.gpe.gml.bindings.geometries.GeometryBinding; |
||
10 | import org.gvsig.gpe.gml.types.GMLGeometries; |
||
11 | import org.gvsig.gpe.gml.utils.CompareUtils; |
||
12 | import org.gvsig.gpe.gml.utils.GMLUtilsParser; |
||
13 | import org.xmlpull.v1.XmlPullParser; |
||
14 | import org.xmlpull.v1.XmlPullParserException; |
||
15 | |||
16 | /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
|
||
17 | *
|
||
18 | * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
|
||
19 | *
|
||
20 | * This program is free software; you can redistribute it and/or
|
||
21 | * modify it under the terms of the GNU General Public License
|
||
22 | * as published by the Free Software Foundation; either version 2
|
||
23 | * of the License, or (at your option) any later version.
|
||
24 | *
|
||
25 | * This program is distributed in the hope that it will be useful,
|
||
26 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
27 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
28 | * GNU General Public License for more details.
|
||
29 | *
|
||
30 | * You should have received a copy of the GNU General Public License
|
||
31 | * along with this program; if not, write to the Free Software
|
||
32 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
|
||
33 | *
|
||
34 | * For more information, contact:
|
||
35 | *
|
||
36 | * Generalitat Valenciana
|
||
37 | * Conselleria d'Infraestructures i Transport
|
||
38 | * Av. Blasco Ib??ez, 50
|
||
39 | * 46010 VALENCIA
|
||
40 | * SPAIN
|
||
41 | *
|
||
42 | * +34 963862235
|
||
43 | * gvsig@gva.es
|
||
44 | * www.gvsig.gva.es
|
||
45 | *
|
||
46 | * or
|
||
47 | *
|
||
48 | * IVER T.I. S.A
|
||
49 | * Salamanca 50
|
||
50 | * 46005 Valencia
|
||
51 | * Spain
|
||
52 | *
|
||
53 | * +34 963163400
|
||
54 | * dac@iver.es
|
||
55 | */
|
||
56 | /* CVS MESSAGES:
|
||
57 | *
|
||
58 | * $Id$
|
||
59 | * $Log$
|
||
60 | * Revision 1.1 2007-05-14 09:30:30 jorpiell
|
||
61 | * Add the FeatureMember tag
|
||
62 | *
|
||
63 | *
|
||
64 | */
|
||
65 | /**
|
||
66 | * This class parses the gml objects that has a
|
||
67 | * gml:_Feature object type. The structure of the
|
||
68 | * properties that this type has is variable and depends
|
||
69 | * on its schema. Example:
|
||
70 | * <p>
|
||
71 | * <pre>
|
||
72 | * <code>
|
||
73 | * <cit:cities>
|
||
74 | * <cit:the_geom>
|
||
75 | * <gml:Point srsName='0'>
|
||
76 | * <gml:coordinates>-123.06999969482422,49.411192817494346</gml:coordinates>
|
||
77 | * </gml:Point>
|
||
78 | * </cit:the_geom>
|
||
79 | * <cit:NAME>Vancouver</cit:NAME>
|
||
80 | * <cit:CAPITAL>N</cit:CAPITAL>
|
||
81 | * <cit:PROV_NAME>British Columbia</cit:PROV_NAME>
|
||
82 | * </cit:cities>
|
||
83 | * </code>
|
||
84 | * </pre>
|
||
85 | * </p>
|
||
86 | * @author Jorge Piera LLodr? (jorge.piera@iver.es)
|
||
87 | */
|
||
88 | public class FeatureTypeBinding { |
||
89 | |||
90 | /**
|
||
91 | * It parses a feature
|
||
92 | * @param parser
|
||
93 | * The XML parser
|
||
94 | * @param handler
|
||
95 | * The GPE parser that contains the content handler and
|
||
96 | * the error handler
|
||
97 | * @return
|
||
98 | * A feature
|
||
99 | * @throws XmlPullParserException
|
||
100 | * @throws IOException
|
||
101 | */
|
||
102 | public static Object parse(XmlPullParser parser,GPEGmlParser handler) throws XmlPullParserException, IOException { |
||
103 | boolean endFeature = false; |
||
104 | int currentTag;
|
||
105 | Object feature = null; |
||
106 | //Used to finish to parse the current feature member
|
||
107 | String featureRootType = parser.getName();
|
||
108 | |||
109 | Hashtable attributes = GMLUtilsParser.getAttributes(parser);
|
||
110 | String fid = FeatureTypeBinding.getID(attributes);
|
||
111 | |||
112 | feature = handler.getContentHandler().startFeature(fid, null, null); |
||
113 | |||
114 | String tag = parser.getName();
|
||
115 | currentTag = parser.getEventType(); |
||
116 | |||
117 | while (!endFeature){
|
||
118 | switch(currentTag){
|
||
119 | case XmlPullParser.START_TAG:
|
||
120 | if (CompareUtils.compareWithOutNamespace(tag,GMLTags.GML_NAME)){
|
||
121 | parser.next(); |
||
122 | handler.getContentHandler().addNameToFeature(parser.getText(), feature); |
||
123 | }else if (CompareUtils.compareWithOutNamespace(tag,GMLTags.GML_DESCRIPTION)){ |
||
124 | parser.next(); |
||
125 | String description = parser.getText();
|
||
126 | }else if (CompareUtils.compareWithOutNamespace(tag,GMLTags.GML_BOUNDEDBY)){ |
||
127 | Object bbox = BoundedByTypeBinding.parse(parser, handler);
|
||
128 | }else{
|
||
129 | if (!(featureRootType.compareTo(tag) == 0)){ |
||
130 | if (GMLGeometries.isGML(tag.substring(tag.indexOf(":") + 1, tag.length()))){ |
||
131 | Object geometry = GeometryBinding.parse(parser, handler);
|
||
132 | handler.getContentHandler().addGeometryToFeature(geometry, feature); |
||
133 | }else{
|
||
134 | //Elements (elements or features)
|
||
135 | Object element = ElementTypeBinding.parse(parser, handler, feature, null); |
||
136 | handler.getContentHandler().addElementToFeature(element, feature); |
||
137 | } |
||
138 | } |
||
139 | } |
||
140 | break;
|
||
141 | case XmlPullParser.END_TAG:
|
||
142 | if (tag.compareTo(featureRootType) == 0){ |
||
143 | endFeature = true;
|
||
144 | handler.getContentHandler().endFeature(feature); |
||
145 | } |
||
146 | break;
|
||
147 | case XmlPullParser.TEXT:
|
||
148 | |||
149 | break;
|
||
150 | } |
||
151 | if (!endFeature){
|
||
152 | currentTag = parser.next(); |
||
153 | tag = parser.getName(); |
||
154 | } |
||
155 | } |
||
156 | |||
157 | return feature;
|
||
158 | } |
||
159 | |||
160 | /**
|
||
161 | * It returns a the feaure id attribute
|
||
162 | * @param hash
|
||
163 | * Hashtable with the XML attributes
|
||
164 | * @return
|
||
165 | * The id
|
||
166 | */
|
||
167 | private static String getID(Hashtable hash){ |
||
168 | Object obj = hash.get(GMLTags.GML_FID);
|
||
169 | if (obj != null){ |
||
170 | return (String)obj; |
||
171 | } |
||
172 | return null; |
||
173 | } |
||
174 | } |