svn-gvsig-desktop / branches / v2_0_0_prep / libraries / org.gvsig.arcims / src / org / gvsig / remoteclient / arcims / ArcImsProtFeatureHandler.java @ 32553
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| 1 | 32319 | vsanjaime | /* gvSIG. Geographic Information System of the Valencian Government
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| 2 | *
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| 3 | * Copyright (C) 2007-2008 Infrastructures and Transports Department
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| 4 | * of the Valencian Government (CIT)
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| 5 | *
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| 6 | * This program is free software; you can redistribute it and/or
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| 7 | * modify it under the terms of the GNU General Public License
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| 8 | * as published by the Free Software Foundation; either version 2
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| 9 | * of the License, or (at your option) any later version.
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| 10 | *
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| 11 | * This program is distributed in the hope that it will be useful,
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 14 | * GNU General Public License for more details.
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| 15 | *
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| 16 | * You should have received a copy of the GNU General Public License
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| 17 | * along with this program; if not, write to the Free Software
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| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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| 19 | * MA 02110-1301, USA.
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| 20 | *
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| 21 | */
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| 22 | |||
| 23 | /*
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| 24 | * AUTHORS (In addition to CIT):
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| 25 | * 2010 Prodevelop S.L. main development
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| 26 | * http://www.prodevelop.es
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| 27 | */
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| 28 | package org.gvsig.remoteclient.arcims; |
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| 29 | |||
| 30 | import java.awt.geom.Rectangle2D; |
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| 31 | import java.io.BufferedReader; |
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| 32 | import java.io.File; |
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| 33 | import java.io.FileInputStream; |
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| 34 | import java.io.FileNotFoundException; |
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| 35 | import java.io.FileReader; |
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| 36 | import java.io.IOException; |
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| 37 | import java.io.InputStream; |
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| 38 | import java.io.InputStreamReader; |
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| 39 | import java.io.Reader; |
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| 40 | import java.io.UnsupportedEncodingException; |
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| 41 | import java.net.MalformedURLException; |
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| 42 | import java.net.URL; |
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| 43 | import java.util.ArrayList; |
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| 44 | 32367 | vsanjaime | import java.util.Date; |
| 45 | 32319 | vsanjaime | import java.util.Iterator; |
| 46 | import java.util.List; |
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| 47 | import java.util.StringTokenizer; |
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| 48 | import java.util.Vector; |
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| 49 | |||
| 50 | 32538 | vsanjaime | import org.exolab.castor.xml.dtd.parser.ParseException; |
| 51 | 32319 | vsanjaime | import org.gvsig.fmap.geom.Geometry; |
| 52 | 32367 | vsanjaime | import org.gvsig.fmap.geom.GeometryLocator; |
| 53 | import org.gvsig.fmap.geom.GeometryManager; |
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| 54 | import org.gvsig.fmap.geom.aggregate.impl.MultiPoint2D; |
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| 55 | import org.gvsig.fmap.geom.exception.CreateGeometryException; |
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| 56 | 32319 | vsanjaime | import org.gvsig.fmap.geom.primitive.GeneralPathX; |
| 57 | 32367 | vsanjaime | import org.gvsig.fmap.geom.primitive.Point; |
| 58 | 32319 | vsanjaime | import org.gvsig.remoteclient.arcims.exceptions.ArcImsException; |
| 59 | import org.gvsig.remoteclient.arcims.utils.ArcImsDownloadUtils; |
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| 60 | 32446 | vsanjaime | import org.gvsig.remoteclient.arcims.utils.ArcImsFeature; |
| 61 | 32319 | vsanjaime | import org.gvsig.remoteclient.arcims.utils.FieldInformation; |
| 62 | import org.gvsig.remoteclient.arcims.utils.GetFeaturesTags; |
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| 63 | import org.gvsig.remoteclient.arcims.utils.ServiceInfoTags; |
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| 64 | import org.gvsig.remoteclient.arcims.utils.ServiceInformation; |
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| 65 | import org.gvsig.remoteclient.arcims.utils.ServiceInformationLayerFeatures; |
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| 66 | import org.gvsig.remoteclient.utils.BoundaryBox; |
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| 67 | import org.kxml2.io.KXmlParser; |
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| 68 | import org.slf4j.Logger; |
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| 69 | import org.slf4j.LoggerFactory; |
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| 70 | 32367 | vsanjaime | import org.xmlpull.v1.XmlPullParserException; |
| 71 | 32319 | vsanjaime | |
| 72 | /**
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| 73 | * @author jsanz
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| 74 | *
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| 75 | */
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| 76 | public class ArcImsProtFeatureHandler extends ArcImsProtocolHandler { |
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| 77 | private static boolean hasMore; |
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| 78 | private static int featCount; |
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| 79 | private static Logger logger = LoggerFactory |
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| 80 | .getLogger(ArcImsProtFeatureHandler.class.getName()); |
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| 81 | |||
| 82 | /**
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| 83 | * Method to retrieve an ArrayList of features from an ArcIMS FeatureService
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| 84 | *
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| 85 | * @param status
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| 86 | * @return ArrayList of IFeatures with geometries and Id's to attribute
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| 87 | * table
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| 88 | * @throws ArcImsException
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| 89 | */
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| 90 | 32446 | vsanjaime | public List<List<ArcImsFeature>> getMap(ArcImsVectStatus status) |
| 91 | throws ArcImsException {
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| 92 | 32319 | vsanjaime | logger.info("Start getMap");
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| 93 | |||
| 94 | 32446 | vsanjaime | List<List<ArcImsFeature>> array = new ArrayList<List<ArcImsFeature>>(); |
| 95 | 32319 | vsanjaime | |
| 96 | try {
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| 97 | /*
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| 98 | * Build the request
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| 99 | */
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| 100 | URL url = new URL(buildCapabilitiesRequest(status)); |
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| 101 | |||
| 102 | hasMore = true;
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| 103 | featCount = 1;
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| 104 | |||
| 105 | while (hasMore) {
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| 106 | /*
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| 107 | * Build the proper ArcXML
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| 108 | */
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| 109 | String request = ArcXMLFeatures.getFeatureLayerRequest(status,
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| 110 | featCount); |
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| 111 | |||
| 112 | if (status.verbose) {
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| 113 | System.err.println(request);
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| 114 | } |
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| 115 | |||
| 116 | /*
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| 117 | * Request the reader
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| 118 | */
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| 119 | logger.info("Start features downloading");
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| 120 | |||
| 121 | File f = ArcImsDownloadUtils.doRequestPost(url, request,
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| 122 | "getFeatures.xml");
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| 123 | logger.info("End features downloading");
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| 124 | |||
| 125 | /*
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| 126 | * Parse response and add geometries to the general Array
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| 127 | */
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| 128 | 32538 | vsanjaime | String layerId = (String) status.getLayersIdsSelected().get(0); |
| 129 | 32319 | vsanjaime | |
| 130 | // Deal with UTF-8
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| 131 | Reader reader = null; |
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| 132 | FileInputStream fis = new FileInputStream(f); |
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| 133 | InputStreamReader isr = new InputStreamReader(fis, "UTF-8"); |
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| 134 | BufferedReader br = new BufferedReader(isr); |
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| 135 | reader = br; |
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| 136 | |||
| 137 | logger.debug("Start features with attributes parsing");
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| 138 | 32446 | vsanjaime | List<ArcImsFeature> feats = this.getFeatures(reader, status |
| 139 | .getServiceInfo(), layerId, status.getSubfields(), 1);
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| 140 | array.add(feats); |
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| 141 | 32319 | vsanjaime | logger.debug("End features with attributes parsing");
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| 142 | } |
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| 143 | |||
| 144 | hasMore = true;
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| 145 | featCount = 1;
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| 146 | } catch (MalformedURLException e) { |
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| 147 | logger.error(e.getMessage(), e); |
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| 148 | throw new ArcImsException("arcims_server_error"); |
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| 149 | } catch (FileNotFoundException e) { |
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| 150 | logger.error(e.getMessage(), e); |
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| 151 | throw new ArcImsException("arcims_server_error"); |
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| 152 | } catch (UnsupportedEncodingException e) { |
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| 153 | logger.error(e.getMessage(), e); |
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| 154 | } |
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| 155 | |||
| 156 | logger.debug("End getMap");
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| 157 | |||
| 158 | return array;
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| 159 | } |
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| 160 | |||
| 161 | /**
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| 162 | * Parse the XML data retrieved from ArcIMS GET_FEATURES request to get a
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| 163 | * set of Features if withGeometries is true or an ArrayList of Value[] if
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| 164 | * this boolean is false
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| 165 | *
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| 166 | * @param Reader
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| 167 | * Stream to parse
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| 168 | * @param si
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| 169 | * ServiceInformation with metadata
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| 170 | * @param layerId
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| 171 | * Layer retrieved
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| 172 | * @param subfields
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| 173 | * Subfields retrieved
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| 174 | * @param withGeometries
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| 175 | * Will geometries be parsed?: 0=no 1=yes 2=evelopes
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| 176 | * @return ArrayList of IFeatures or Value[]
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| 177 | * @throws ArcImsException
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| 178 | */
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| 179 | 32446 | vsanjaime | private List<ArcImsFeature> getFeatures(Reader lector, |
| 180 | ServiceInformation si, String layerId, String[] subfields, |
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| 181 | int withGeometries) throws ArcImsException { |
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| 182 | 32367 | vsanjaime | |
| 183 | // fill features map
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| 184 | 32319 | vsanjaime | FieldInformation fi = null;
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| 185 | ServiceInformationLayerFeatures sil = (ServiceInformationLayerFeatures) si |
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| 186 | .getLayerById(layerId); |
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| 187 | |||
| 188 | /*
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| 189 | * Prepare a Value array to store every FEATURE tag information
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| 190 | */
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| 191 | 32367 | vsanjaime | Vector<FieldInformation> fieldsInfo = sil.getFieldsInfo();
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| 192 | 32319 | vsanjaime | |
| 193 | // If flag == true, throw an Exception (no layerId found)
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| 194 | if (fieldsInfo == null) { |
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| 195 | throw new ArcImsException("arcims_no_features"); |
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| 196 | } |
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| 197 | |||
| 198 | // We will store names and types in a hashmap
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| 199 | 32367 | vsanjaime | List<FieldInformation> fieldsInfoA = new ArrayList<FieldInformation>(); |
| 200 | 32319 | vsanjaime | |
| 201 | /*
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| 202 | * If subfields[0] is equal to #ALL we add the entire vector into the
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| 203 | * Hasmap
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| 204 | */
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| 205 | if (subfields[0].equals("#ALL#")) { |
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| 206 | for (int i = 0; i < fieldsInfo.size(); i++) { |
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| 207 | 32367 | vsanjaime | fi = fieldsInfo.get(i); |
| 208 | 32319 | vsanjaime | fieldsInfoA.add(fi); |
| 209 | } |
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| 210 | } else {
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| 211 | for (int i = 0; i < subfields.length; i++) { |
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| 212 | fi = null;
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| 213 | fi = sil.getFieldInformation(subfields[i]); |
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| 214 | |||
| 215 | if (fi != null) { |
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| 216 | fieldsInfoA.add(fi); |
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| 217 | } |
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| 218 | } |
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| 219 | } |
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| 220 | |||
| 221 | /*
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| 222 | * Get the separators
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| 223 | */
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| 224 | String delCoords = si.getSeparators().getCs();
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| 225 | String delTuple = si.getSeparators().getTs();
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| 226 | char delDec = si.getSeparators().getDs();
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| 227 | |||
| 228 | /*
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| 229 | * ArrayList with features
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| 230 | */
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| 231 | 32446 | vsanjaime | List<ArcImsFeature> features = new ArrayList<ArcImsFeature>(); |
| 232 | 32319 | vsanjaime | |
| 233 | /*
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| 234 | * Start parsing
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| 235 | */
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| 236 | int tag;
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| 237 | 32367 | vsanjaime | KXmlParser kxmlParser = new KXmlParser();
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| 238 | 32319 | vsanjaime | |
| 239 | Geometry geom = null;
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| 240 | 32553 | vsanjaime | //Object[] values = new Object[fieldsInfoA.size()];
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| 241 | 32367 | vsanjaime | // Value[] values = new Value[fieldsInfoA.size()];
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| 242 | 32446 | vsanjaime | int[] position = new int[fieldsInfoA.size()]; |
| 243 | |||
| 244 | // Initialize position array
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| 245 | for (int i = 0; i < position.length; i++) |
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| 246 | position[i] = -1;
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| 247 | |||
| 248 | // long timeFeat = 0;
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| 249 | // long timeGeom = 0;
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| 250 | // long timeTemp = 0;
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| 251 | try {
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| 252 | kxmlParser.setInput(lector); |
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| 253 | kxmlParser.nextTag(); |
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| 254 | |||
| 255 | if (kxmlParser.getEventType() != KXmlParser.END_DOCUMENT) {
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| 256 | kxmlParser.require(KXmlParser.START_TAG, null,
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| 257 | ServiceInfoTags.tARCXML); |
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| 258 | tag = kxmlParser.nextTag(); |
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| 259 | |||
| 260 | while (tag != KXmlParser.END_DOCUMENT) {
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| 261 | 32538 | vsanjaime | |
| 262 | ArcImsFeature afeat = new ArcImsFeature();
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| 263 | |||
| 264 | 32446 | vsanjaime | switch (tag) {
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| 265 | case KXmlParser.START_TAG:
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| 266 | |||
| 267 | if (kxmlParser.getName().compareTo(
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| 268 | GetFeaturesTags.FEATURE) == 0) {
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| 269 | /*
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| 270 | * parse FEATURES' tag
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| 271 | */
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| 272 | |||
| 273 | // FIRST ENVELOPE TAG (We hope that ENVELOPE will
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| 274 | // ALLWAYS be returned at first...)
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| 275 | if (withGeometries == 2) { |
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| 276 | // timeTemp = System.currentTimeMillis();
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| 277 | geom = parseEnvelopeFromFeatureTag(kxmlParser, |
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| 278 | delDec); |
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| 279 | 32538 | vsanjaime | afeat.putGeometry(geom); |
| 280 | 32446 | vsanjaime | } |
| 281 | |||
| 282 | // SECOND FIELDS TAG
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| 283 | // timeTemp = System.currentTimeMillis();
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| 284 | 32538 | vsanjaime | afeat = parseValuesFromFeatureTag(kxmlParser, // the
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| 285 | 32446 | vsanjaime | // kxml
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| 286 | // parser
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| 287 | fieldsInfoA, // Hashmap with names and
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| 288 | // FieldInformation objects)
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| 289 | delDec, // the separators
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| 290 | 32538 | vsanjaime | position, // the relative positions of
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| 291 | 32446 | vsanjaime | // returned values
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| 292 | 32538 | vsanjaime | afeat |
| 293 | 32446 | vsanjaime | ); |
| 294 | |||
| 295 | // timeFeat += System.currentTimeMillis() -
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| 296 | // timeTemp;
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| 297 | |||
| 298 | // If geometries are neede we add to the ArrayList
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| 299 | // the Ifeature
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| 300 | if (withGeometries == 1) { |
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| 301 | // THIRD GEOMETRIES
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| 302 | // timeTemp = System.currentTimeMillis();
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| 303 | geom = parseGeomFromFeatureTag(kxmlParser, // the
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| 304 | // kxml
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| 305 | // parser
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| 306 | delTuple, delCoords, delDec // the
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| 307 | // separators
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| 308 | 32538 | vsanjaime | |
| 309 | 32446 | vsanjaime | ); |
| 310 | 32538 | vsanjaime | afeat.putGeometry(geom); |
| 311 | 32446 | vsanjaime | |
| 312 | // timeGeom += System.currentTimeMillis() -
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| 313 | // timeTemp;
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| 314 | } |
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| 315 | |||
| 316 | 32538 | vsanjaime | // // If some geometry is created, we add a IFeature
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| 317 | // // into features ArrayList
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| 318 | // if (withGeometries > 0) {
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| 319 | // features.add(new ArcImsFeature(geom, values));
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| 320 | // }
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| 321 | // // Else we only need the Value[] array
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| 322 | // else {
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| 323 | // features.add(new ArcImsFeature(values));
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| 324 | // }
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| 325 | 32446 | vsanjaime | } else if (kxmlParser.getName().compareTo( |
| 326 | GetFeaturesTags.FEATURECOUNT) == 0) {
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| 327 | String value = new String(); |
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| 328 | |||
| 329 | // Get the feature count
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| 330 | value = kxmlParser.getAttributeValue("",
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| 331 | GetFeaturesTags.COUNT); |
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| 332 | |||
| 333 | Integer intFeatCount = new Integer(value); |
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| 334 | featCount += intFeatCount.intValue(); |
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| 335 | |||
| 336 | // Get the hasmore boolean
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| 337 | value = kxmlParser.getAttributeValue("",
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| 338 | GetFeaturesTags.HASMORE); |
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| 339 | |||
| 340 | Boolean boHasMore = new Boolean(value); |
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| 341 | hasMore = boHasMore.booleanValue(); |
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| 342 | } else if (kxmlParser.getName().compareTo( |
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| 343 | ServiceInfoTags.tERROR) == 0) {
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| 344 | logger.error("Error parsing GET_FEATURES:\r\n"
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| 345 | + kxmlParser.nextText()); |
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| 346 | throw new ArcImsException("arcims_server_error"); |
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| 347 | } |
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| 348 | |||
| 349 | break;
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| 350 | |||
| 351 | case KXmlParser.END_TAG:
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| 352 | break;
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| 353 | |||
| 354 | case KXmlParser.TEXT:
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| 355 | break;
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| 356 | } |
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| 357 | 32538 | vsanjaime | if(afeat != null){ |
| 358 | features.add(afeat); |
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| 359 | } |
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| 360 | 32446 | vsanjaime | tag = kxmlParser.next(); |
| 361 | } |
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| 362 | |||
| 363 | kxmlParser.require(KXmlParser.END_DOCUMENT, null, null); |
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| 364 | } |
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| 365 | } |
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| 366 | |||
| 367 | catch (XmlPullParserException parser_ex) {
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| 368 | logger.error(parser_ex.getMessage(), parser_ex); |
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| 369 | throw new ArcImsException("arcims_no_features"); |
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| 370 | } catch (IOException ioe) { |
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| 371 | logger.error(ioe.getMessage(), ioe); |
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| 372 | throw new ArcImsException("arcims_no_features"); |
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| 373 | } catch (CreateGeometryException e) {
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| 374 | logger.error(e.getMessage(), e); |
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| 375 | throw new ArcImsException("arcims_no_features"); |
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| 376 | } |
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| 377 | |||
| 378 | return features;
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| 379 | |||
| 380 | 32319 | vsanjaime | } |
| 381 | |||
| 382 | /**
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| 383 | * Returns an IGeometry with a line between corners of an ENVELOPE
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| 384 | *
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| 385 | * @param parser
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| 386 | * @param delDec
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| 387 | * @return
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| 388 | * @throws XmlPullParserException
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| 389 | * @throws IOException
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| 390 | */
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| 391 | private Geometry parseEnvelopeFromFeatureTag(KXmlParser parser, char delDec) |
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| 392 | throws XmlPullParserException, IOException { |
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| 393 | int currentTag;
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| 394 | boolean end = false; |
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| 395 | |||
| 396 | BoundaryBox bb = null;
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| 397 | |||
| 398 | // parser.require(KXmlParser.START_TAG,null,GetFeaturesTags.FIELDS);
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| 399 | currentTag = parser.next(); |
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| 400 | |||
| 401 | while (!end) {
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| 402 | switch (currentTag) {
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| 403 | case KXmlParser.START_TAG:
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| 404 | |||
| 405 | if (parser.getName().equals(ServiceInfoTags.tENVELOPE)) {
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| 406 | bb = super.parseEnvelope(parser, delDec);
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| 407 | end = true;
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| 408 | } |
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| 409 | |||
| 410 | break;
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| 411 | |||
| 412 | case KXmlParser.END_TAG:
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| 413 | |||
| 414 | if (parser.getName().equals(GetFeaturesTags.FIELDS)) {
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| 415 | end = true;
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| 416 | } |
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| 417 | |||
| 418 | break;
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| 419 | |||
| 420 | case KXmlParser.TEXT:
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| 421 | break;
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| 422 | } |
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| 423 | |||
| 424 | if (!end) {
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| 425 | currentTag = parser.next(); |
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| 426 | } |
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| 427 | } |
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| 428 | |||
| 429 | // If BoundaryBox object has been created, we can convert it into a
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| 430 | // IGeometry (polyline).
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| 431 | if (bb != null) { |
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| 432 | GeneralPathX polyline = new GeneralPathX(GeneralPathX.WIND_EVEN_ODD);
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| 433 | |||
| 434 | polyline.moveTo(bb.getXmin(), bb.getYmin()); |
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| 435 | polyline.lineTo(bb.getXmax(), bb.getYmax()); |
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| 436 | |||
| 437 | 32367 | vsanjaime | GeometryManager geomManager = GeometryLocator.getGeometryManager(); |
| 438 | Geometry curve = null;
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| 439 | try {
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| 440 | curve = geomManager.createCurve(polyline, |
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| 441 | Geometry.SUBTYPES.GEOM2D); |
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| 442 | } catch (CreateGeometryException e) {
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| 443 | logger.error("Error creating curve", e);
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| 444 | return null; |
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| 445 | } |
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| 446 | return curve;
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| 447 | 32319 | vsanjaime | } else {
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| 448 | return null; |
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| 449 | } |
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| 450 | 32367 | vsanjaime | |
| 451 | 32319 | vsanjaime | } |
| 452 | |||
| 453 | /**
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| 454 | * @param kxmlParser
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| 455 | * @param fieldsInfoH
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| 456 | * @param delDec
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| 457 | * @param position
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| 458 | * @return
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| 459 | * @throws IOException
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| 460 | * @throws XmlPullParserException
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| 461 | 32367 | vsanjaime | * @throws IOException
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| 462 | * @throws XmlPullParserException
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| 463 | 32319 | vsanjaime | * @throws ArcImsException
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| 464 | 32367 | vsanjaime | * @throws ArcImsException
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| 465 | 32319 | vsanjaime | * @throws ParseException
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| 466 | */
|
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| 467 | 32538 | vsanjaime | private ArcImsFeature parseValuesFromFeatureTag(KXmlParser parser,
|
| 468 | List<FieldInformation> fieldsInfoA, char delDec, int[] position, ArcImsFeature afeat ) |
||
| 469 | 32367 | vsanjaime | throws XmlPullParserException, IOException, ArcImsException { |
| 470 | |||
| 471 | 32319 | vsanjaime | int currentTag;
|
| 472 | boolean end = false; |
||
| 473 | int f = 0; |
||
| 474 | String att;
|
||
| 475 | 32367 | vsanjaime | String text;
|
| 476 | 32319 | vsanjaime | int type;
|
| 477 | |||
| 478 | 32538 | vsanjaime | //Object[] values = new Object[fieldsInfoA.size()];
|
| 479 | 32319 | vsanjaime | |
| 480 | currentTag = parser.next(); |
||
| 481 | |||
| 482 | while (!end) {
|
||
| 483 | switch (currentTag) {
|
||
| 484 | case KXmlParser.START_TAG:
|
||
| 485 | |||
| 486 | if (parser.getName().equals(GetFeaturesTags.FIELD)) {
|
||
| 487 | att = parser.getAttributeValue("", GetFeaturesTags.NAME);
|
||
| 488 | 32367 | vsanjaime | text = parser.getAttributeValue("", GetFeaturesTags.VALUE);
|
| 489 | 32319 | vsanjaime | |
| 490 | /*
|
||
| 491 | * As NAME is known, we need to get the position of that
|
||
| 492 | * attribute into the ArrayList of fieldInformation objects
|
||
| 493 | */
|
||
| 494 | if (position[f] == -1) { |
||
| 495 | 32538 | vsanjaime | position[f] = getPosition(fieldsInfoA.iterator(), att); |
| 496 | 32319 | vsanjaime | } |
| 497 | |||
| 498 | if (position[f] == -1) { |
||
| 499 | logger.error("Attribute not found at Metadata");
|
||
| 500 | throw new ArcImsException( |
||
| 501 | "Attribute not found at Metadata");
|
||
| 502 | } |
||
| 503 | |||
| 504 | // This way we can create a NullValue
|
||
| 505 | 32367 | vsanjaime | if (text.equals("")) { |
| 506 | text = null;
|
||
| 507 | 32319 | vsanjaime | } |
| 508 | |||
| 509 | /*
|
||
| 510 | * At this point we know wat FieldInfo of the ArrayList we
|
||
| 511 | * have to retrieve
|
||
| 512 | */
|
||
| 513 | type = ((FieldInformation) fieldsInfoA.get(position[f])) |
||
| 514 | .getType(); |
||
| 515 | |||
| 516 | // Add the Value into the correct position
|
||
| 517 | 32367 | vsanjaime | if (text == null) { |
| 518 | 32538 | vsanjaime | String fieldName = fieldsInfoA.get(position[f]).getName();
|
| 519 | 32553 | vsanjaime | afeat.put(fieldName,null);
|
| 520 | 32367 | vsanjaime | } else {
|
| 521 | 32538 | vsanjaime | String fieldName = fieldsInfoA.get(position[f]).getName();
|
| 522 | 32367 | vsanjaime | switch (type) {
|
| 523 | case FieldInformation.BOOLEAN:
|
||
| 524 | 32538 | vsanjaime | afeat.put(fieldName,new Boolean(text)); |
| 525 | 32367 | vsanjaime | f++; |
| 526 | break;
|
||
| 527 | case FieldInformation.SHAPE:
|
||
| 528 | case FieldInformation.STRING:
|
||
| 529 | 32538 | vsanjaime | afeat.put(fieldName, new String(text)); |
| 530 | 32367 | vsanjaime | f++; |
| 531 | break;
|
||
| 532 | case FieldInformation.DATE:
|
||
| 533 | 32538 | vsanjaime | afeat.put(fieldName, new Date(Long.parseLong(text))); |
| 534 | 32367 | vsanjaime | f++; |
| 535 | break;
|
||
| 536 | case FieldInformation.FLOAT:
|
||
| 537 | String textfloat = text.replace(delDec, '.'); |
||
| 538 | 32538 | vsanjaime | afeat.put(fieldName, new Float(textfloat)); |
| 539 | 32367 | vsanjaime | f++; |
| 540 | break;
|
||
| 541 | case FieldInformation.DOUBLE:
|
||
| 542 | String textdouble = text.replace(delDec, '.'); |
||
| 543 | 32538 | vsanjaime | afeat.put(fieldName, new Double(textdouble)); |
| 544 | 32367 | vsanjaime | f++; |
| 545 | break;
|
||
| 546 | case FieldInformation.SMALLINT:
|
||
| 547 | 32538 | vsanjaime | afeat.put(fieldName, new Short(text)); |
| 548 | 32367 | vsanjaime | f++; |
| 549 | break;
|
||
| 550 | case FieldInformation.BIGINT:
|
||
| 551 | 32538 | vsanjaime | afeat.put(fieldName, new Long(text)); |
| 552 | 32367 | vsanjaime | f++; |
| 553 | break;
|
||
| 554 | case FieldInformation.ID:
|
||
| 555 | 32553 | vsanjaime | afeat.put(fieldName, new String(text)); |
| 556 | afeat.setFieldPK(fieldName); |
||
| 557 | f++; |
||
| 558 | break;
|
||
| 559 | 32367 | vsanjaime | case FieldInformation.INTEGER:
|
| 560 | 32538 | vsanjaime | afeat.put(fieldName, new Integer(text)); |
| 561 | 32367 | vsanjaime | f++; |
| 562 | break;
|
||
| 563 | default:
|
||
| 564 | 32538 | vsanjaime | afeat.put(fieldName, new String(text)); |
| 565 | 32367 | vsanjaime | f++; |
| 566 | } |
||
| 567 | } |
||
| 568 | 32319 | vsanjaime | } |
| 569 | |||
| 570 | break;
|
||
| 571 | |||
| 572 | case KXmlParser.END_TAG:
|
||
| 573 | |||
| 574 | if (parser.getName().equals(GetFeaturesTags.FIELDS)) {
|
||
| 575 | end = true;
|
||
| 576 | } |
||
| 577 | |||
| 578 | break;
|
||
| 579 | |||
| 580 | case KXmlParser.TEXT:
|
||
| 581 | break;
|
||
| 582 | } |
||
| 583 | |||
| 584 | if (!end) {
|
||
| 585 | currentTag = parser.next(); |
||
| 586 | } |
||
| 587 | } |
||
| 588 | |||
| 589 | 32538 | vsanjaime | return afeat;
|
| 590 | 32367 | vsanjaime | |
| 591 | 32319 | vsanjaime | } |
| 592 | |||
| 593 | /**
|
||
| 594 | * Method to get the position of an attribute into the subfields array
|
||
| 595 | *
|
||
| 596 | * @param fieldsInfoA
|
||
| 597 | * @param att
|
||
| 598 | * @return
|
||
| 599 | */
|
||
| 600 | private int getPosition(Iterator it, String att) { |
||
| 601 | int res = 0; |
||
| 602 | FieldInformation fi; |
||
| 603 | |||
| 604 | while (it.hasNext()) {
|
||
| 605 | fi = (FieldInformation) it.next(); |
||
| 606 | |||
| 607 | if (fi.getName().equals(att)) {
|
||
| 608 | return res;
|
||
| 609 | } |
||
| 610 | |||
| 611 | res++; |
||
| 612 | } |
||
| 613 | |||
| 614 | // If no integer has returned at this point we return a -1
|
||
| 615 | return -1; |
||
| 616 | } |
||
| 617 | |||
| 618 | /**
|
||
| 619 | * Parses the Feature Tag to get a IFeature
|
||
| 620 | *
|
||
| 621 | * @param KxmlParser
|
||
| 622 | * with the FEATURE tag
|
||
| 623 | * @param Value
|
||
| 624 | * array with the correct subtypes to store FIELDS data
|
||
| 625 | * @param String
|
||
| 626 | * array with the correct fields names to retrieve
|
||
| 627 | * @param String
|
||
| 628 | * with the tuple separator
|
||
| 629 | * @param String
|
||
| 630 | * with the coordinates separator
|
||
| 631 | * @param Char
|
||
| 632 | * with the decimal separator
|
||
| 633 | * @return @see com.hardcode.gdbms.engine.values.Value.IFeature
|
||
| 634 | * @throws IOException
|
||
| 635 | * @throws XmlPullParserException
|
||
| 636 | 32367 | vsanjaime | * @throws IOException
|
| 637 | * @throws XmlPullParserException
|
||
| 638 | * @throws CreateGeometryException
|
||
| 639 | 32319 | vsanjaime | * @throws ArcImsException
|
| 640 | 32367 | vsanjaime | * @throws CreateGeometryException
|
| 641 | * @throws ArcImsException
|
||
| 642 | 32319 | vsanjaime | */
|
| 643 | private Geometry parseGeomFromFeatureTag(KXmlParser parser,
|
||
| 644 | 32367 | vsanjaime | String delTuple, String delCoords, char delDec) |
| 645 | throws XmlPullParserException, IOException, |
||
| 646 | CreateGeometryException, ArcImsException {
|
||
| 647 | |||
| 648 | GeometryManager geomManager = GeometryLocator.getGeometryManager(); |
||
| 649 | 32319 | vsanjaime | int currentTag;
|
| 650 | boolean end = false; |
||
| 651 | Geometry geom = null;
|
||
| 652 | currentTag = parser.next(); |
||
| 653 | |||
| 654 | while (!end) {
|
||
| 655 | String featType = parser.getName();
|
||
| 656 | |||
| 657 | switch (currentTag) {
|
||
| 658 | case KXmlParser.START_TAG:
|
||
| 659 | 32367 | vsanjaime | // //////////////////////////
|
| 660 | // geometry type MULTIPOINT
|
||
| 661 | // //////////////////////////
|
||
| 662 | 32319 | vsanjaime | if (featType.equals(GetFeaturesTags.MULTIPOINT)) {
|
| 663 | // Go to COORDS tag
|
||
| 664 | parser.nextTag(); |
||
| 665 | |||
| 666 | if (parser.getName().equals(GetFeaturesTags.COORDS)) {
|
||
| 667 | // Create a tokenizer with the tuples
|
||
| 668 | String strPoints = parser.nextText();
|
||
| 669 | |||
| 670 | // Get the points from COORDS string
|
||
| 671 | 32367 | vsanjaime | List<Point> points = parseCoords(strPoints, delTuple, |
| 672 | 32319 | vsanjaime | delCoords, delDec); |
| 673 | |||
| 674 | 32367 | vsanjaime | geom = geomManager.create(Geometry.TYPES.MULTIPOINT, |
| 675 | Geometry.SUBTYPES.GEOM2D); |
||
| 676 | MultiPoint2D mpoint = (MultiPoint2D) geom; |
||
| 677 | for (Point point : points) { |
||
| 678 | mpoint.addPoint(point); |
||
| 679 | 32319 | vsanjaime | } |
| 680 | } else {
|
||
| 681 | logger.error("Error parsing MULTIPOINT tag");
|
||
| 682 | throw new ArcImsException("arcims_features_error"); |
||
| 683 | } |
||
| 684 | 32367 | vsanjaime | } |
| 685 | // ////////////////////////////////////////////
|
||
| 686 | // POLYLINE or POLYGON
|
||
| 687 | // ////////////////////////////////////////////
|
||
| 688 | else if (featType.equals(GetFeaturesTags.POLYLINE) |
||
| 689 | 32319 | vsanjaime | || featType.equals(GetFeaturesTags.POLYGON)) {
|
| 690 | // Parse while parser doesn't found </FEATURES> tag
|
||
| 691 | // The GeneralPath to store the different paths
|
||
| 692 | GeneralPathX polyline = new GeneralPathX(
|
||
| 693 | GeneralPathX.WIND_EVEN_ODD); |
||
| 694 | boolean endpol = false; |
||
| 695 | |||
| 696 | while (!endpol) {
|
||
| 697 | switch (currentTag) {
|
||
| 698 | case KXmlParser.START_TAG:
|
||
| 699 | |||
| 700 | if (parser.getName().equals(GetFeaturesTags.COORDS)) {
|
||
| 701 | // Create a tokenizer with the tuples
|
||
| 702 | String strPoints = parser.nextText();
|
||
| 703 | |||
| 704 | // Get the points (Point2D) from COORDS string
|
||
| 705 | 32367 | vsanjaime | List<Point> points = parseCoords(strPoints, |
| 706 | 32319 | vsanjaime | delTuple, delCoords, delDec); |
| 707 | |||
| 708 | 32446 | vsanjaime | Iterator<Point> it = points.iterator(); |
| 709 | 32367 | vsanjaime | Point point;
|
| 710 | 32319 | vsanjaime | |
| 711 | // First we MOVE to the first point of the path
|
||
| 712 | 32367 | vsanjaime | point = (Point) it.next();
|
| 713 | 32319 | vsanjaime | polyline.moveTo(point.getX(), point.getY()); |
| 714 | |||
| 715 | // And now we can LINE to the rest of the points
|
||
| 716 | // of the path
|
||
| 717 | while (it.hasNext()) {
|
||
| 718 | 32367 | vsanjaime | point = (Point) it.next();
|
| 719 | 32319 | vsanjaime | polyline.lineTo(point.getX(), point.getY()); |
| 720 | } |
||
| 721 | } |
||
| 722 | |||
| 723 | break;
|
||
| 724 | |||
| 725 | case KXmlParser.END_TAG:
|
||
| 726 | |||
| 727 | if (parser.getName().equals(featType)) {
|
||
| 728 | endpol = true;
|
||
| 729 | } |
||
| 730 | |||
| 731 | break;
|
||
| 732 | |||
| 733 | case KXmlParser.TEXT:
|
||
| 734 | break;
|
||
| 735 | } |
||
| 736 | |||
| 737 | if (!endpol) {
|
||
| 738 | currentTag = parser.next(); |
||
| 739 | } |
||
| 740 | } |
||
| 741 | |||
| 742 | if (featType.equals(GetFeaturesTags.POLYLINE)) {
|
||
| 743 | 32367 | vsanjaime | geom = geomManager.createMultiCurve(polyline, |
| 744 | Geometry.SUBTYPES.GEOM2D); |
||
| 745 | 32319 | vsanjaime | } else if (featType.equals(GetFeaturesTags.POLYGON)) { |
| 746 | 32367 | vsanjaime | geom = geomManager.createMultiSurface(polyline, |
| 747 | Geometry.SUBTYPES.GEOM2D); |
||
| 748 | 32319 | vsanjaime | } |
| 749 | } |
||
| 750 | |||
| 751 | break;
|
||
| 752 | |||
| 753 | case KXmlParser.END_TAG:
|
||
| 754 | |||
| 755 | if (parser.getName().compareTo(GetFeaturesTags.FEATURE) == 0) { |
||
| 756 | end = true;
|
||
| 757 | } |
||
| 758 | |||
| 759 | break;
|
||
| 760 | |||
| 761 | case KXmlParser.TEXT:
|
||
| 762 | break;
|
||
| 763 | } |
||
| 764 | |||
| 765 | if (!end) {
|
||
| 766 | currentTag = parser.next(); |
||
| 767 | } |
||
| 768 | } |
||
| 769 | |||
| 770 | return geom;
|
||
| 771 | } |
||
| 772 | |||
| 773 | /**
|
||
| 774 | * Private method that parses a COORDS tag to return an ArrayList of
|
||
| 775 | * Point2D.Double objects
|
||
| 776 | *
|
||
| 777 | * @param strCoords
|
||
| 778 | * @param delTuple
|
||
| 779 | * @param delCoords
|
||
| 780 | * @param delDec
|
||
| 781 | * @return
|
||
| 782 | 32367 | vsanjaime | * @throws CreateGeometryException
|
| 783 | 32319 | vsanjaime | */
|
| 784 | 32367 | vsanjaime | private List<Point> parseCoords(String strCoords, String delTuple, |
| 785 | String delCoords, char delDec) throws CreateGeometryException { |
||
| 786 | |||
| 787 | GeometryManager geomManager = GeometryLocator.getGeometryManager(); |
||
| 788 | List<Point> points = new ArrayList<Point>(); |
||
| 789 | 32319 | vsanjaime | String tupla = new String(); |
| 790 | String[] tuplaPart; |
||
| 791 | Double x;
|
||
| 792 | Double y;
|
||
| 793 | |||
| 794 | /*
|
||
| 795 | * Replaces Decimal Separator to convert coords to suitable doubles.
|
||
| 796 | *
|
||
| 797 | * Maybe it will have a better performance if we insert this replace
|
||
| 798 | * into the while
|
||
| 799 | */
|
||
| 800 | if (delDec != '.') { |
||
| 801 | strCoords = strCoords.replace(delDec, '.');
|
||
| 802 | } |
||
| 803 | |||
| 804 | // Creates a tokenizer to run over the string
|
||
| 805 | StringTokenizer tuplas = new StringTokenizer(strCoords, delTuple, false); |
||
| 806 | |||
| 807 | // Get ArrayLists collections with X's and Y's
|
||
| 808 | while (tuplas.hasMoreTokens()) {
|
||
| 809 | // tupla = tuplas.nextToken().replace(delDec,'.');
|
||
| 810 | tupla = tuplas.nextToken(); |
||
| 811 | tuplaPart = tupla.split(delCoords); |
||
| 812 | x = new Double(tuplaPart[0]); |
||
| 813 | y = new Double(tuplaPart[1]); |
||
| 814 | |||
| 815 | 32367 | vsanjaime | Point pto = geomManager.createPoint(x.doubleValue(), y
|
| 816 | .doubleValue(), Geometry.SUBTYPES.GEOM2D); |
||
| 817 | points.add(pto); |
||
| 818 | 32319 | vsanjaime | } |
| 819 | |||
| 820 | 32367 | vsanjaime | // Return an array of Point objects
|
| 821 | 32319 | vsanjaime | return points;
|
| 822 | } |
||
| 823 | |||
| 824 | /**
|
||
| 825 | * @param status
|
||
| 826 | * @return
|
||
| 827 | * @throws ArcImsException
|
||
| 828 | */
|
||
| 829 | public Rectangle2D getLayerExtent(ArcImsVectStatus status) |
||
| 830 | throws ArcImsException {
|
||
| 831 | Rectangle2D envelope = null; |
||
| 832 | 32538 | vsanjaime | String layerId = (String) status.getLayersIdsSelected().get(0); |
| 833 | 32319 | vsanjaime | |
| 834 | // logger.info("Getting Vectorial Layer Extent (" + status.getl)
|
||
| 835 | ServiceInformation si = status.getServiceInfo(); |
||
| 836 | String ini_srs = ServiceInfoTags.vINI_SRS;
|
||
| 837 | |||
| 838 | String srsView = status.getSrs().substring(ini_srs.length()).trim();
|
||
| 839 | String srsServ = si.getFeaturecoordsys();
|
||
| 840 | boolean srsAssumed = si.isSrsAssumed();
|
||
| 841 | |||
| 842 | if (srsAssumed || (srsView.equals(srsServ))) {
|
||
| 843 | BoundaryBox bb = si.getLayerById(layerId).getEnvelope(); |
||
| 844 | |||
| 845 | /*
|
||
| 846 | * At the end, we convert the BoundaryBox to a Rectangle2D
|
||
| 847 | */
|
||
| 848 | envelope = new Rectangle2D.Double(); |
||
| 849 | |||
| 850 | envelope.setFrameFromDiagonal(bb.getXmin(), bb.getYmin(), bb |
||
| 851 | .getXmax(), bb.getYmax()); |
||
| 852 | |||
| 853 | return envelope;
|
||
| 854 | } |
||
| 855 | |||
| 856 | /*
|
||
| 857 | * If SRS of View and Service are different, we do a custom request to
|
||
| 858 | * retrieve the global envelope of the layer
|
||
| 859 | */
|
||
| 860 | try {
|
||
| 861 | /*
|
||
| 862 | * Build the request
|
||
| 863 | */
|
||
| 864 | URL url;
|
||
| 865 | url = new URL(buildCapabilitiesRequest(status)); |
||
| 866 | |||
| 867 | /*
|
||
| 868 | * Build the proper ArcXML
|
||
| 869 | */
|
||
| 870 | String request = ArcXMLFeatures.getLayerExtentRequest(status);
|
||
| 871 | |||
| 872 | if (status.verbose) {
|
||
| 873 | System.err.println(request);
|
||
| 874 | } |
||
| 875 | |||
| 876 | /*
|
||
| 877 | * Request the envelope
|
||
| 878 | */
|
||
| 879 | File response;
|
||
| 880 | response = ArcImsDownloadUtils.doRequestPost(url, request, |
||
| 881 | "getLayerExtent.xml");
|
||
| 882 | |||
| 883 | /*
|
||
| 884 | * Parse response and return a Rectangle2D
|
||
| 885 | */
|
||
| 886 | char ds = si.getSeparators().getDs();
|
||
| 887 | envelope = parseEnvelopeTag(new FileReader(response), ds); |
||
| 888 | } catch (MalformedURLException e) { |
||
| 889 | logger.error(e.getMessage(), e); |
||
| 890 | throw new ArcImsException("arcims_server_error"); |
||
| 891 | } catch (FileNotFoundException e) { |
||
| 892 | logger.error(e.getMessage(), e); |
||
| 893 | throw new ArcImsException("arcims_server_error"); |
||
| 894 | } |
||
| 895 | |||
| 896 | return envelope;
|
||
| 897 | } |
||
| 898 | |||
| 899 | /**
|
||
| 900 | * Retrieves an ArrayList of Value arrays. The query can be filtered by a
|
||
| 901 | * WHERE clause or an envelope. Only subfields passed will be retrieved
|
||
| 902 | *
|
||
| 903 | * @param status
|
||
| 904 | * @param subfields
|
||
| 905 | * @param where
|
||
| 906 | * @param envelope
|
||
| 907 | * @return
|
||
| 908 | * @throws ArcImsException
|
||
| 909 | */
|
||
| 910 | 32446 | vsanjaime | public List<List<ArcImsFeature>> getAttributes(ArcImsVectStatus status, |
| 911 | String[] subfields, String where, Rectangle2D envelope) |
||
| 912 | throws ArcImsException {
|
||
| 913 | 32367 | vsanjaime | |
| 914 | 32319 | vsanjaime | logger.info("Start getAttributes");
|
| 915 | |||
| 916 | 32446 | vsanjaime | List<List<ArcImsFeature>> features = new ArrayList<List<ArcImsFeature>>(); |
| 917 | 32319 | vsanjaime | |
| 918 | // Clone the status and set temporal subfields and where clause
|
||
| 919 | ArcImsVectStatus statusCloned = status; |
||
| 920 | |||
| 921 | String[] subTemp = status.getSubfields(); |
||
| 922 | String whereTemp = status.getWhere();
|
||
| 923 | 32367 | vsanjaime | Rectangle2D rectTemp = status.getEnvelopeRect();
|
| 924 | 32319 | vsanjaime | |
| 925 | statusCloned.setSubfields(subfields); |
||
| 926 | statusCloned.setWhere(where); |
||
| 927 | statusCloned.setEnvelope(envelope); |
||
| 928 | |||
| 929 | try {
|
||
| 930 | /*
|
||
| 931 | * Build the request
|
||
| 932 | */
|
||
| 933 | URL url;
|
||
| 934 | url = new URL(buildCapabilitiesRequest(statusCloned)); |
||
| 935 | |||
| 936 | hasMore = true;
|
||
| 937 | featCount = 0;
|
||
| 938 | |||
| 939 | while (hasMore) {
|
||
| 940 | /*
|
||
| 941 | * Build the proper ArcXML
|
||
| 942 | */
|
||
| 943 | String request = ArcXMLFeatures.getAttributesRequest(
|
||
| 944 | statusCloned, featCount); |
||
| 945 | |||
| 946 | if (status.verbose) {
|
||
| 947 | System.err.println(request);
|
||
| 948 | } |
||
| 949 | |||
| 950 | // The attributes come from ArcIMS in ASCII/cp1252 encoding
|
||
| 951 | boolean withUTF = false; |
||
| 952 | |||
| 953 | // Don't download the file, pass the data directly from the
|
||
| 954 | // connection
|
||
| 955 | boolean withFile = false; |
||
| 956 | |||
| 957 | /*
|
||
| 958 | * Get an InputStream from File or directly from the connection
|
||
| 959 | */
|
||
| 960 | InputStream is = null; |
||
| 961 | |||
| 962 | if (withFile) {
|
||
| 963 | File f = ArcImsDownloadUtils.doRequestPost(url, request,
|
||
| 964 | "getAttributes.xml");
|
||
| 965 | |||
| 966 | try {
|
||
| 967 | is = new FileInputStream(f); |
||
| 968 | } catch (FileNotFoundException e) { |
||
| 969 | logger.error(e.getMessage(), e); |
||
| 970 | } |
||
| 971 | } else {
|
||
| 972 | is = ArcImsDownloadUtils.getRemoteIS(url, request); |
||
| 973 | } |
||
| 974 | |||
| 975 | InputStreamReader isr = null; |
||
| 976 | |||
| 977 | if (withUTF) {
|
||
| 978 | // Deal with UTF-8
|
||
| 979 | try {
|
||
| 980 | isr = new InputStreamReader(is, "UTF-8"); |
||
| 981 | } catch (UnsupportedEncodingException e) { |
||
| 982 | logger.error(e.getMessage(), e); |
||
| 983 | } |
||
| 984 | } else {
|
||
| 985 | // No deal with UTF-8
|
||
| 986 | isr = new InputStreamReader(is); |
||
| 987 | } |
||
| 988 | |||
| 989 | /*
|
||
| 990 | * Finally, we can create a BufferedReader from the
|
||
| 991 | * InputStreamReader
|
||
| 992 | */
|
||
| 993 | BufferedReader br = new BufferedReader(isr); |
||
| 994 | |||
| 995 | /*
|
||
| 996 | * Parse response and return a Rectangle2D
|
||
| 997 | */
|
||
| 998 | 32538 | vsanjaime | String layerId = (String) statusCloned.getLayersIdsSelected().get(0); |
| 999 | 32319 | vsanjaime | logger.debug("Start attributes downloading and parsing ("
|
| 1000 | + featCount + ") ids retrieved");
|
||
| 1001 | 32446 | vsanjaime | features.add(getFeatures(br, statusCloned.getServiceInfo(), |
| 1002 | 32367 | vsanjaime | layerId, statusCloned.getSubfields(), 0));
|
| 1003 | 32319 | vsanjaime | logger.debug("End attributes downloading and parsing");
|
| 1004 | } |
||
| 1005 | |||
| 1006 | hasMore = true;
|
||
| 1007 | featCount = 0;
|
||
| 1008 | } catch (MalformedURLException e) { |
||
| 1009 | logger.error(e.getMessage(), e); |
||
| 1010 | throw new ArcImsException("arcims_server_error"); |
||
| 1011 | } catch (ArcImsException e) {
|
||
| 1012 | logger.error(e.getMessage(), e); |
||
| 1013 | throw new ArcImsException("arcims_server_error"); |
||
| 1014 | } finally {
|
||
| 1015 | status.setSubfields(subTemp); |
||
| 1016 | status.setWhere(whereTemp); |
||
| 1017 | status.setEnvelope(rectTemp); |
||
| 1018 | } |
||
| 1019 | |||
| 1020 | logger.debug("End attributes retrieving");
|
||
| 1021 | |||
| 1022 | 32446 | vsanjaime | return features;
|
| 1023 | 32319 | vsanjaime | } |
| 1024 | |||
| 1025 | /**
|
||
| 1026 | * Retrieves an ArrayList of I by some IDs. The geometry returned is the
|
||
| 1027 | * envelope of the feature requested. The query can be filtered by a WHERE
|
||
| 1028 | * clause or an envelope. Only subfields passed will be retrieved
|
||
| 1029 | *
|
||
| 1030 | * @param status
|
||
| 1031 | * @param subfields
|
||
| 1032 | * @param where
|
||
| 1033 | * @param envelope
|
||
| 1034 | * @return
|
||
| 1035 | * @throws ArcImsException
|
||
| 1036 | */
|
||
| 1037 | 32446 | vsanjaime | public List<List<ArcImsFeature>> getAttributesWithEnvelope( |
| 1038 | ArcImsVectStatus status, String[] subfields, String where, |
||
| 1039 | Rectangle2D envelope) throws ArcImsException { |
||
| 1040 | 32367 | vsanjaime | |
| 1041 | 32319 | vsanjaime | logger.info("Start getAttributesWihtEnvelope");
|
| 1042 | |||
| 1043 | 32446 | vsanjaime | List<List<ArcImsFeature>> features = new ArrayList<List<ArcImsFeature>>(); |
| 1044 | 32319 | vsanjaime | |
| 1045 | // Clone the status and set temporal subfields and where clause
|
||
| 1046 | ArcImsVectStatus statusCloned = status; |
||
| 1047 | |||
| 1048 | String[] subTemp = status.getSubfields(); |
||
| 1049 | String whereTemp = status.getWhere();
|
||
| 1050 | 32367 | vsanjaime | Rectangle2D rectTemp = status.getEnvelopeRect();
|
| 1051 | 32319 | vsanjaime | |
| 1052 | statusCloned.setSubfields(subfields); |
||
| 1053 | statusCloned.setWhere(where); |
||
| 1054 | statusCloned.setEnvelope(envelope); |
||
| 1055 | |||
| 1056 | try {
|
||
| 1057 | /*
|
||
| 1058 | * Build the request
|
||
| 1059 | */
|
||
| 1060 | URL url;
|
||
| 1061 | url = new URL(buildCapabilitiesRequest(statusCloned)); |
||
| 1062 | |||
| 1063 | hasMore = true;
|
||
| 1064 | featCount = 0;
|
||
| 1065 | |||
| 1066 | while (hasMore) {
|
||
| 1067 | /*
|
||
| 1068 | * Build the proper ArcXML
|
||
| 1069 | */
|
||
| 1070 | String request = ArcXMLFeatures.getAttributesRequest(
|
||
| 1071 | statusCloned, featCount); |
||
| 1072 | |||
| 1073 | if (status.verbose) {
|
||
| 1074 | System.err.println(request);
|
||
| 1075 | } |
||
| 1076 | |||
| 1077 | // The attributes come from ArcIMS in ASCII/cp1252 encoding
|
||
| 1078 | boolean withUTF = false; |
||
| 1079 | |||
| 1080 | // Don't download the file, pass the data directly from the
|
||
| 1081 | // connection
|
||
| 1082 | boolean withFile = false; |
||
| 1083 | |||
| 1084 | /*
|
||
| 1085 | * Get an InputStream from File or directly from the connection
|
||
| 1086 | */
|
||
| 1087 | InputStream is = null; |
||
| 1088 | |||
| 1089 | if (withFile) {
|
||
| 1090 | File f = ArcImsDownloadUtils.doRequestPost(url, request,
|
||
| 1091 | "getAttributes.xml");
|
||
| 1092 | |||
| 1093 | try {
|
||
| 1094 | is = new FileInputStream(f); |
||
| 1095 | } catch (FileNotFoundException e) { |
||
| 1096 | logger.error(e.getMessage(), e); |
||
| 1097 | } |
||
| 1098 | } else {
|
||
| 1099 | is = ArcImsDownloadUtils.getRemoteIS(url, request); |
||
| 1100 | } |
||
| 1101 | |||
| 1102 | InputStreamReader isr = null; |
||
| 1103 | |||
| 1104 | if (withUTF) {
|
||
| 1105 | // Deal with UTF-8
|
||
| 1106 | try {
|
||
| 1107 | isr = new InputStreamReader(is, "UTF-8"); |
||
| 1108 | } catch (UnsupportedEncodingException e) { |
||
| 1109 | logger.error(e.getMessage(), e); |
||
| 1110 | } |
||
| 1111 | } else {
|
||
| 1112 | // No deal with UTF-8
|
||
| 1113 | isr = new InputStreamReader(is); |
||
| 1114 | } |
||
| 1115 | |||
| 1116 | /*
|
||
| 1117 | * Finally, we can create a BufferedReader from the
|
||
| 1118 | * InputStreamReader
|
||
| 1119 | */
|
||
| 1120 | BufferedReader br = new BufferedReader(isr); |
||
| 1121 | |||
| 1122 | /*
|
||
| 1123 | * Parse response and return a Rectangle2D
|
||
| 1124 | */
|
||
| 1125 | 32538 | vsanjaime | String layerId = (String) statusCloned.getLayersIdsSelected().get(0); |
| 1126 | 32319 | vsanjaime | logger.debug("Start attributes downloading and parsing ("
|
| 1127 | + featCount + ") ids retrieved");
|
||
| 1128 | 32446 | vsanjaime | features.add(getFeatures(br, statusCloned.getServiceInfo(), |
| 1129 | 32367 | vsanjaime | layerId, statusCloned.getSubfields(), 2)); // Here we |
| 1130 | // request
|
||
| 1131 | // envelopes instead
|
||
| 1132 | // of geometries
|
||
| 1133 | 32319 | vsanjaime | logger.debug("End attributes downloading and parsing");
|
| 1134 | } |
||
| 1135 | |||
| 1136 | hasMore = true;
|
||
| 1137 | featCount = 0;
|
||
| 1138 | } catch (MalformedURLException e) { |
||
| 1139 | logger.error(e.getMessage(), e); |
||
| 1140 | throw new ArcImsException("arcims_server_error"); |
||
| 1141 | } catch (ArcImsException e) {
|
||
| 1142 | logger.error(e.getMessage(), e); |
||
| 1143 | throw new ArcImsException("arcims_server_error"); |
||
| 1144 | } finally {
|
||
| 1145 | status.setSubfields(subTemp); |
||
| 1146 | status.setWhere(whereTemp); |
||
| 1147 | status.setEnvelope(rectTemp); |
||
| 1148 | } |
||
| 1149 | |||
| 1150 | logger.debug("End attributes retrieving");
|
||
| 1151 | |||
| 1152 | 32446 | vsanjaime | return features;
|
| 1153 | 32319 | vsanjaime | } |
| 1154 | |||
| 1155 | /*
|
||
| 1156 | * (non-Javadoc)
|
||
| 1157 | *
|
||
| 1158 | * @see
|
||
| 1159 | * org.gvsig.remoteClient.arcims.ArcImsProtocolHandler#getElementInfo(org
|
||
| 1160 | * .gvsig.remoteClient.arcims.ArcImsStatus, int, int, int)
|
||
| 1161 | */
|
||
| 1162 | public String getElementInfo(ArcImsStatus status, int x, int y, |
||
| 1163 | int featureCount) throws ArcImsException { |
||
| 1164 | throw new ClassCastException( |
||
| 1165 | "Invalid request, this method is only valid for Image Services");
|
||
| 1166 | } |
||
| 1167 | 32446 | vsanjaime | } |