svn-gvsig-desktop / branches / v2_0_0_prep / libraries / org.gvsig.arcims / src / org / gvsig / remoteclient / arcims / ArcImsProtFeatureHandler.java @ 32668
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/* gvSIG. Geographic Information System of the Valencian Government
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*
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* Copyright (C) 2007-2008 Infrastructures and Transports Department
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* of the Valencian Government (CIT)
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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., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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*/
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/*
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* AUTHORS (In addition to CIT):
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* 2010 Prodevelop S.L. main development
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* http://www.prodevelop.es
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*/
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package org.gvsig.remoteclient.arcims; |
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import java.awt.geom.Rectangle2D; |
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import java.io.BufferedReader; |
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import java.io.File; |
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import java.io.FileInputStream; |
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import java.io.FileNotFoundException; |
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import java.io.FileReader; |
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import java.io.IOException; |
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import java.io.InputStream; |
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import java.io.InputStreamReader; |
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import java.io.Reader; |
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import java.io.UnsupportedEncodingException; |
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import java.net.MalformedURLException; |
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import java.net.URL; |
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import java.util.ArrayList; |
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import java.util.Date; |
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import java.util.Iterator; |
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import java.util.List; |
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import java.util.StringTokenizer; |
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import java.util.Vector; |
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import org.exolab.castor.xml.dtd.parser.ParseException; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.GeometryLocator; |
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import org.gvsig.fmap.geom.GeometryManager; |
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import org.gvsig.fmap.geom.aggregate.impl.MultiPoint2D; |
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import org.gvsig.fmap.geom.exception.CreateEnvelopeException; |
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import org.gvsig.fmap.geom.exception.CreateGeometryException; |
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import org.gvsig.fmap.geom.primitive.Envelope; |
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import org.gvsig.fmap.geom.primitive.GeneralPathX; |
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import org.gvsig.fmap.geom.primitive.Point; |
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import org.gvsig.fmap.geom.primitive.impl.Point2D; |
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import org.gvsig.remoteclient.arcims.exceptions.ArcImsException; |
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import org.gvsig.remoteclient.arcims.utils.ArcImsDownloadUtils; |
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import org.gvsig.remoteclient.arcims.utils.ArcImsFeature; |
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import org.gvsig.remoteclient.arcims.utils.FieldInformation; |
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import org.gvsig.remoteclient.arcims.utils.GetFeaturesTags; |
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import org.gvsig.remoteclient.arcims.utils.ServiceInfoTags; |
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import org.gvsig.remoteclient.arcims.utils.ServiceInformation; |
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import org.gvsig.remoteclient.arcims.utils.ServiceInformationLayerFeatures; |
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import org.gvsig.remoteclient.utils.BoundaryBox; |
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import org.kxml2.io.KXmlParser; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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import org.xmlpull.v1.XmlPullParserException; |
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/**
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* @author jsanz
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* @author vsanjaime version 2.0
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*
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*/
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public class ArcImsProtFeatureHandler extends ArcImsProtocolHandler { |
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private static boolean hasMore; |
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private static int featCount; |
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private static Logger logger = LoggerFactory |
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.getLogger(ArcImsProtFeatureHandler.class.getName()); |
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/**
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* Method to retrieve an ArrayList of features from an ArcIMS FeatureService
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*
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* @param status
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* @return ArrayList of IFeatures with geometries and Id's to attribute
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* table
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* @throws ArcImsException
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*/
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public List<List<ArcImsFeature>> getMap(ArcImsVectStatus status) |
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throws ArcImsException {
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logger.info("Start getMap");
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List<List<ArcImsFeature>> array = new ArrayList<List<ArcImsFeature>>(); |
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try {
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/*
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* Build the request
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*/
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URL url = new URL(buildCapabilitiesRequest(status)); |
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hasMore = true;
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featCount = 1;
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while (hasMore) {
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/*
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* Build the proper ArcXML
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*/
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String request = ArcXMLFeatures.getFeatureLayerRequest(status,
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featCount); |
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if (status.verbose) {
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System.err.println(request);
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} |
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/*
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* Request the reader
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*/
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logger.info("Start features downloading");
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File f = ArcImsDownloadUtils.doRequestPost(url, request,
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"getFeatures.xml");
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logger.info("End features downloading");
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/*
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* Parse response and add geometries to the general Array
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*/
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String layerId = (String) status.getLayersIdsSelected().get(0); |
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// Deal with UTF-8
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Reader reader = null; |
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FileInputStream fis = new FileInputStream(f); |
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InputStreamReader isr = new InputStreamReader(fis, "UTF-8"); |
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BufferedReader br = new BufferedReader(isr); |
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reader = br; |
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logger.debug("Start features with attributes parsing");
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List<ArcImsFeature> feats = this.getFeatures(reader, status |
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.getServiceInfo(), layerId, status.getSubfields(), 1);
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array.add(feats); |
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logger.debug("End features with attributes parsing");
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} |
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hasMore = true;
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featCount = 1;
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} catch (MalformedURLException e) { |
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logger.error(e.getMessage(), e); |
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throw new ArcImsException("arcims_server_error"); |
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} catch (FileNotFoundException e) { |
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logger.error(e.getMessage(), e); |
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throw new ArcImsException("arcims_server_error"); |
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} catch (UnsupportedEncodingException e) { |
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logger.error(e.getMessage(), e); |
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} |
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logger.debug("End getMap");
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return array;
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} |
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/**
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* Parse the XML data retrieved from ArcIMS GET_FEATURES request to get a
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* set of Features if withGeometries is true or an ArrayList of Value[] if
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* this boolean is false
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*
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* @param Reader
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* Stream to parse
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* @param si
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* ServiceInformation with metadata
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* @param layerId
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* Layer retrieved
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* @param subfields
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* Subfields retrieved
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* @param withGeometries
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* Will geometries be parsed?: 0=no 1=yes 2=evelopes
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* @return ArrayList of IFeatures or Value[]
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* @throws ArcImsException
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*/
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private List<ArcImsFeature> getFeatures(Reader lector, |
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ServiceInformation si, String layerId, String[] subfields, |
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int withGeometries) throws ArcImsException { |
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// fill features map
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FieldInformation fi = null;
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ServiceInformationLayerFeatures sil = (ServiceInformationLayerFeatures) si |
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.getLayerById(layerId); |
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/*
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* Prepare a Value array to store every FEATURE tag information
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*/
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Vector<FieldInformation> fieldsInfo = sil.getFieldsInfo();
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// If flag == true, throw an Exception (no layerId found)
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if (fieldsInfo == null) { |
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throw new ArcImsException("arcims_no_features"); |
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} |
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// We will store names and types in a hashmap
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List<FieldInformation> fieldsInfoA = new ArrayList<FieldInformation>(); |
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/*
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* If subfields[0] is equal to #ALL we add the entire vector into the
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* Hasmap
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*/
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if (subfields[0].equals("#ALL#")) { |
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for (int i = 0; i < fieldsInfo.size(); i++) { |
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fi = fieldsInfo.get(i); |
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fieldsInfoA.add(fi); |
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} |
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} else {
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for (int i = 0; i < subfields.length; i++) { |
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fi = null;
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fi = sil.getFieldInformation(subfields[i]); |
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if (fi != null) { |
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fieldsInfoA.add(fi); |
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} |
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} |
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} |
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/*
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* Get the separators
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*/
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String delCoords = si.getSeparators().getCs();
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String delTuple = si.getSeparators().getTs();
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char delDec = si.getSeparators().getDs();
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/*
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* ArrayList with features
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*/
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List<ArcImsFeature> features = new ArrayList<ArcImsFeature>(); |
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/*
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* Start parsing
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*/
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int tag;
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KXmlParser kxmlParser = new KXmlParser();
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Geometry geom = null;
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Envelope envelope = null;
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// Object[] values = new Object[fieldsInfoA.size()];
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// Value[] values = new Value[fieldsInfoA.size()];
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int[] position = new int[fieldsInfoA.size()]; |
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// Initialize position array
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for (int i = 0; i < position.length; i++) |
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position[i] = -1;
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// long timeFeat = 0;
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// long timeGeom = 0;
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// long timeTemp = 0;
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try {
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kxmlParser.setInput(lector); |
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kxmlParser.nextTag(); |
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if (kxmlParser.getEventType() != KXmlParser.END_DOCUMENT) {
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kxmlParser.require(KXmlParser.START_TAG, null,
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ServiceInfoTags.tARCXML); |
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tag = kxmlParser.nextTag(); |
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while (tag != KXmlParser.END_DOCUMENT) {
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ArcImsFeature afeat = new ArcImsFeature();
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switch (tag) {
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case KXmlParser.START_TAG:
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if (kxmlParser.getName().compareTo(
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GetFeaturesTags.FEATURE) == 0) {
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/*
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* parse FEATURES' tag
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*/
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// FIRST ENVELOPE TAG (We hope that ENVELOPE will
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// ALLWAYS be returned at first...)
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if (withGeometries == 2) { |
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// timeTemp = System.currentTimeMillis();
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envelope = parseEnvelopeFromFeatureTag( |
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kxmlParser, delDec); |
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} |
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// SECOND FIELDS TAG
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// timeTemp = System.currentTimeMillis();
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afeat = parseValuesFromFeatureTag(kxmlParser, // the
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// kxml
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// parser
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fieldsInfoA, // Hashmap with names and
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// FieldInformation objects)
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delDec, // the separators
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position, // the relative positions of
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// returned values
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afeat); |
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// timeFeat += System.currentTimeMillis() -
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// timeTemp;
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// If geometries are neede we add to the ArrayList
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// the Ifeature
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if (withGeometries == 1) { |
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// THIRD GEOMETRIES
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// timeTemp = System.currentTimeMillis();
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geom = parseGeomFromFeatureTag(kxmlParser, // the
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// kxml
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// parser
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delTuple, delCoords, delDec // the
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// separators
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); |
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afeat.putGeometry(geom, envelope); |
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// timeGeom += System.currentTimeMillis() -
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// timeTemp;
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} |
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// // If some geometry is created, we add a IFeature
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// // into features ArrayList
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// if (withGeometries > 0) {
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// features.add(new ArcImsFeature(geom, values));
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// }
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// // Else we only need the Value[] array
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// else {
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// features.add(new ArcImsFeature(values));
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// }
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} else if (kxmlParser.getName().compareTo( |
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GetFeaturesTags.FEATURECOUNT) == 0) {
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String value = new String(); |
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// Get the feature count
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value = kxmlParser.getAttributeValue("",
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GetFeaturesTags.COUNT); |
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Integer intFeatCount = new Integer(value); |
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featCount += intFeatCount.intValue(); |
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// Get the hasmore boolean
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value = kxmlParser.getAttributeValue("",
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GetFeaturesTags.HASMORE); |
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Boolean boHasMore = new Boolean(value); |
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hasMore = boHasMore.booleanValue(); |
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} else if (kxmlParser.getName().compareTo( |
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ServiceInfoTags.tERROR) == 0) {
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logger.error("Error parsing GET_FEATURES:\r\n"
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+ kxmlParser.nextText()); |
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throw new ArcImsException("arcims_server_error"); |
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} |
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break;
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case KXmlParser.END_TAG:
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break;
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case KXmlParser.TEXT:
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break;
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} |
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if (afeat != null) { |
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features.add(afeat); |
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} |
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tag = kxmlParser.next(); |
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} |
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kxmlParser.require(KXmlParser.END_DOCUMENT, null, null); |
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} |
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} |
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catch (XmlPullParserException parser_ex) {
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logger.error(parser_ex.getMessage(), parser_ex); |
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throw new ArcImsException("arcims_no_features"); |
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} catch (IOException ioe) { |
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logger.error(ioe.getMessage(), ioe); |
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throw new ArcImsException("arcims_no_features"); |
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} catch (CreateGeometryException e) {
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logger.error(e.getMessage(), e); |
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throw new ArcImsException("arcims_no_features"); |
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} |
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return features;
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} |
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/**
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* Returns an IGeometry with a line between corners of an ENVELOPE
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*
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* @param parser
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* @param delDec
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* @return
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* @throws XmlPullParserException
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* @throws IOException
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*/
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private Envelope parseEnvelopeFromFeatureTag(KXmlParser parser, char delDec) |
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throws XmlPullParserException, IOException { |
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int currentTag;
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boolean end = false; |
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BoundaryBox bb = null;
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// parser.require(KXmlParser.START_TAG,null,GetFeaturesTags.FIELDS);
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currentTag = parser.next(); |
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while (!end) {
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switch (currentTag) {
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case KXmlParser.START_TAG:
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if (parser.getName().equals(ServiceInfoTags.tENVELOPE)) {
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bb = super.parseEnvelope(parser, delDec);
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end = true;
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} |
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break;
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case KXmlParser.END_TAG:
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if (parser.getName().equals(GetFeaturesTags.FIELDS)) {
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end = true;
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} |
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break;
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case KXmlParser.TEXT:
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break;
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} |
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if (!end) {
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currentTag = parser.next(); |
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} |
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} |
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// If BoundaryBox object has been created, we can convert it to Envelope
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if (bb != null) { |
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GeneralPathX polyline = new GeneralPathX(GeneralPathX.WIND_EVEN_ODD);
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polyline.moveTo(bb.getXmin(), bb.getYmin()); |
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polyline.lineTo(bb.getXmax(), bb.getYmax()); |
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GeometryManager geomManager = GeometryLocator.getGeometryManager(); |
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Envelope envelo = null;
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try {
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envelo = geomManager.createEnvelope(Geometry.SUBTYPES.GEOM2D); |
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envelo.setLowerCorner(new Point2D(bb.getXmin(), bb.getYmin())); |
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envelo.setUpperCorner(new Point2D(bb.getXmax(), bb.getYmax())); |
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} catch (CreateEnvelopeException e) {
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logger.error("Error creating curve", e);
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return null; |
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} |
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return envelo;
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} else {
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return null; |
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} |
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} |
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/**
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* @param kxmlParser
|
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* @param fieldsInfoH
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* @param delDec
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* @param position
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* @return
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* @throws IOException
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* @throws XmlPullParserException
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* @throws IOException
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* @throws XmlPullParserException
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* @throws ArcImsException
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* @throws ArcImsException
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* @throws ParseException
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*/
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private ArcImsFeature parseValuesFromFeatureTag(KXmlParser parser,
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List<FieldInformation> fieldsInfoA, char delDec, int[] position, |
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ArcImsFeature afeat) throws XmlPullParserException, IOException, |
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ArcImsException {
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|
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int currentTag;
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boolean end = false; |
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int f = 0; |
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String att;
|
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String text;
|
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int type;
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|
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// Object[] values = new Object[fieldsInfoA.size()];
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currentTag = parser.next(); |
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while (!end) {
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switch (currentTag) {
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case KXmlParser.START_TAG:
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|
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if (parser.getName().equals(GetFeaturesTags.FIELD)) {
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att = parser.getAttributeValue("", GetFeaturesTags.NAME);
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text = parser.getAttributeValue("", GetFeaturesTags.VALUE);
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|
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/*
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* As NAME is known, we need to get the position of that
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* attribute into the ArrayList of fieldInformation objects
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*/
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if (position[f] == -1) { |
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position[f] = getPosition(fieldsInfoA.iterator(), att); |
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} |
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|
| 505 |
if (position[f] == -1) { |
| 506 |
logger.error("Attribute not found at Metadata");
|
| 507 |
throw new ArcImsException( |
| 508 |
"Attribute not found at Metadata");
|
| 509 |
} |
| 510 |
|
| 511 |
// This way we can create a NullValue
|
| 512 |
if (text.equals("")) { |
| 513 |
text = null;
|
| 514 |
} |
| 515 |
|
| 516 |
/*
|
| 517 |
* At this point we know wat FieldInfo of the ArrayList we
|
| 518 |
* have to retrieve
|
| 519 |
*/
|
| 520 |
type = ((FieldInformation) fieldsInfoA.get(position[f])) |
| 521 |
.getType(); |
| 522 |
|
| 523 |
// Add the Value into the correct position
|
| 524 |
if (text == null) { |
| 525 |
String fieldName = fieldsInfoA.get(position[f])
|
| 526 |
.getName(); |
| 527 |
afeat.put(fieldName, null);
|
| 528 |
} else {
|
| 529 |
String fieldName = fieldsInfoA.get(position[f])
|
| 530 |
.getName(); |
| 531 |
switch (type) {
|
| 532 |
case FieldInformation.BOOLEAN:
|
| 533 |
afeat.put(fieldName, new Boolean(text)); |
| 534 |
f++; |
| 535 |
break;
|
| 536 |
case FieldInformation.SHAPE:
|
| 537 |
case FieldInformation.STRING:
|
| 538 |
afeat.put(fieldName, new String(text)); |
| 539 |
f++; |
| 540 |
break;
|
| 541 |
case FieldInformation.DATE:
|
| 542 |
afeat |
| 543 |
.put(fieldName, new Date(Long |
| 544 |
.parseLong(text))); |
| 545 |
f++; |
| 546 |
break;
|
| 547 |
case FieldInformation.FLOAT:
|
| 548 |
String textfloat = text.replace(delDec, '.'); |
| 549 |
afeat.put(fieldName, new Float(textfloat)); |
| 550 |
f++; |
| 551 |
break;
|
| 552 |
case FieldInformation.DOUBLE:
|
| 553 |
String textdouble = text.replace(delDec, '.'); |
| 554 |
afeat.put(fieldName, new Double(textdouble)); |
| 555 |
f++; |
| 556 |
break;
|
| 557 |
case FieldInformation.SMALLINT:
|
| 558 |
afeat.put(fieldName, new Short(text)); |
| 559 |
f++; |
| 560 |
break;
|
| 561 |
case FieldInformation.BIGINT:
|
| 562 |
afeat.put(fieldName, new Long(text)); |
| 563 |
f++; |
| 564 |
break;
|
| 565 |
case FieldInformation.ID:
|
| 566 |
afeat.put(fieldName, new String(text)); |
| 567 |
afeat.setFieldPK(fieldName); |
| 568 |
f++; |
| 569 |
break;
|
| 570 |
case FieldInformation.INTEGER:
|
| 571 |
afeat.put(fieldName, new Integer(text)); |
| 572 |
f++; |
| 573 |
break;
|
| 574 |
default:
|
| 575 |
afeat.put(fieldName, new String(text)); |
| 576 |
f++; |
| 577 |
} |
| 578 |
} |
| 579 |
} |
| 580 |
|
| 581 |
break;
|
| 582 |
|
| 583 |
case KXmlParser.END_TAG:
|
| 584 |
|
| 585 |
if (parser.getName().equals(GetFeaturesTags.FIELDS)) {
|
| 586 |
end = true;
|
| 587 |
} |
| 588 |
|
| 589 |
break;
|
| 590 |
|
| 591 |
case KXmlParser.TEXT:
|
| 592 |
break;
|
| 593 |
} |
| 594 |
|
| 595 |
if (!end) {
|
| 596 |
currentTag = parser.next(); |
| 597 |
} |
| 598 |
} |
| 599 |
|
| 600 |
return afeat;
|
| 601 |
|
| 602 |
} |
| 603 |
|
| 604 |
/**
|
| 605 |
* Method to get the position of an attribute into the subfields array
|
| 606 |
*
|
| 607 |
* @param fieldsInfoA
|
| 608 |
* @param att
|
| 609 |
* @return
|
| 610 |
*/
|
| 611 |
private int getPosition(Iterator<FieldInformation> it, String att) { |
| 612 |
int res = 0; |
| 613 |
FieldInformation fi; |
| 614 |
|
| 615 |
while (it.hasNext()) {
|
| 616 |
fi = it.next(); |
| 617 |
|
| 618 |
if (fi.getName().equals(att)) {
|
| 619 |
return res;
|
| 620 |
} |
| 621 |
|
| 622 |
res++; |
| 623 |
} |
| 624 |
|
| 625 |
// If no integer has returned at this point we return a -1
|
| 626 |
return -1; |
| 627 |
} |
| 628 |
|
| 629 |
/**
|
| 630 |
* Parses the Feature Tag to get a IFeature
|
| 631 |
*
|
| 632 |
* @param KxmlParser
|
| 633 |
* with the FEATURE tag
|
| 634 |
* @param Value
|
| 635 |
* array with the correct subtypes to store FIELDS data
|
| 636 |
* @param String
|
| 637 |
* array with the correct fields names to retrieve
|
| 638 |
* @param String
|
| 639 |
* with the tuple separator
|
| 640 |
* @param String
|
| 641 |
* with the coordinates separator
|
| 642 |
* @param Char
|
| 643 |
* with the decimal separator
|
| 644 |
* @return @see com.hardcode.gdbms.engine.values.Value.IFeature
|
| 645 |
* @throws IOException
|
| 646 |
* @throws XmlPullParserException
|
| 647 |
* @throws IOException
|
| 648 |
* @throws XmlPullParserException
|
| 649 |
* @throws CreateGeometryException
|
| 650 |
* @throws ArcImsException
|
| 651 |
* @throws CreateGeometryException
|
| 652 |
* @throws ArcImsException
|
| 653 |
*/
|
| 654 |
private Geometry parseGeomFromFeatureTag(KXmlParser parser,
|
| 655 |
String delTuple, String delCoords, char delDec) |
| 656 |
throws XmlPullParserException, IOException, |
| 657 |
CreateGeometryException, ArcImsException {
|
| 658 |
|
| 659 |
GeometryManager geomManager = GeometryLocator.getGeometryManager(); |
| 660 |
int currentTag;
|
| 661 |
boolean end = false; |
| 662 |
Geometry geom = null;
|
| 663 |
currentTag = parser.next(); |
| 664 |
|
| 665 |
while (!end) {
|
| 666 |
String featType = parser.getName();
|
| 667 |
|
| 668 |
switch (currentTag) {
|
| 669 |
case KXmlParser.START_TAG:
|
| 670 |
// //////////////////////////
|
| 671 |
// geometry type MULTIPOINT
|
| 672 |
// //////////////////////////
|
| 673 |
if (featType.equals(GetFeaturesTags.MULTIPOINT)) {
|
| 674 |
// Go to COORDS tag
|
| 675 |
parser.nextTag(); |
| 676 |
|
| 677 |
if (parser.getName().equals(GetFeaturesTags.COORDS)) {
|
| 678 |
// Create a tokenizer with the tuples
|
| 679 |
String strPoints = parser.nextText();
|
| 680 |
|
| 681 |
// Get the points from COORDS string
|
| 682 |
List<Point> points = parseCoords(strPoints, delTuple, |
| 683 |
delCoords, delDec); |
| 684 |
|
| 685 |
geom = geomManager.create(Geometry.TYPES.MULTIPOINT, |
| 686 |
Geometry.SUBTYPES.GEOM2D); |
| 687 |
MultiPoint2D mpoint = (MultiPoint2D) geom; |
| 688 |
for (Point point : points) { |
| 689 |
mpoint.addPoint(point); |
| 690 |
} |
| 691 |
} else {
|
| 692 |
logger.error("Error parsing MULTIPOINT tag");
|
| 693 |
throw new ArcImsException("arcims_features_error"); |
| 694 |
} |
| 695 |
} |
| 696 |
// ////////////////////////////////////////////
|
| 697 |
// POLYLINE or POLYGON
|
| 698 |
// ////////////////////////////////////////////
|
| 699 |
else if (featType.equals(GetFeaturesTags.POLYLINE) |
| 700 |
|| featType.equals(GetFeaturesTags.POLYGON)) {
|
| 701 |
// Parse while parser doesn't found </FEATURES> tag
|
| 702 |
// The GeneralPath to store the different paths
|
| 703 |
GeneralPathX polyline = new GeneralPathX(
|
| 704 |
GeneralPathX.WIND_EVEN_ODD); |
| 705 |
boolean endpol = false; |
| 706 |
|
| 707 |
while (!endpol) {
|
| 708 |
switch (currentTag) {
|
| 709 |
case KXmlParser.START_TAG:
|
| 710 |
|
| 711 |
if (parser.getName().equals(GetFeaturesTags.COORDS)) {
|
| 712 |
// Create a tokenizer with the tuples
|
| 713 |
String strPoints = parser.nextText();
|
| 714 |
|
| 715 |
// Get the points (Point2D) from COORDS string
|
| 716 |
List<Point> points = parseCoords(strPoints, |
| 717 |
delTuple, delCoords, delDec); |
| 718 |
|
| 719 |
Iterator<Point> it = points.iterator(); |
| 720 |
// First we MOVE to the first point of the path
|
| 721 |
Point point = it.next();
|
| 722 |
polyline.moveTo(point.getX(), point.getY()); |
| 723 |
|
| 724 |
// And now we can LINE to the rest of the points
|
| 725 |
// of the path
|
| 726 |
while (it.hasNext()) {
|
| 727 |
Point pto = it.next();
|
| 728 |
polyline.lineTo(pto.getX(), pto.getY()); |
| 729 |
} |
| 730 |
} |
| 731 |
|
| 732 |
break;
|
| 733 |
|
| 734 |
case KXmlParser.END_TAG:
|
| 735 |
|
| 736 |
if (parser.getName().equals(featType)) {
|
| 737 |
endpol = true;
|
| 738 |
} |
| 739 |
|
| 740 |
break;
|
| 741 |
|
| 742 |
case KXmlParser.TEXT:
|
| 743 |
break;
|
| 744 |
} |
| 745 |
|
| 746 |
if (!endpol) {
|
| 747 |
currentTag = parser.next(); |
| 748 |
} |
| 749 |
} |
| 750 |
|
| 751 |
if (featType.equals(GetFeaturesTags.POLYLINE)) {
|
| 752 |
geom = geomManager.createMultiCurve(polyline, |
| 753 |
Geometry.SUBTYPES.GEOM2D); |
| 754 |
|
| 755 |
} else if (featType.equals(GetFeaturesTags.POLYGON)) { |
| 756 |
geom = geomManager.createMultiSurface(polyline, |
| 757 |
Geometry.SUBTYPES.GEOM2D); |
| 758 |
} |
| 759 |
} |
| 760 |
|
| 761 |
break;
|
| 762 |
|
| 763 |
case KXmlParser.END_TAG:
|
| 764 |
|
| 765 |
if (parser.getName().compareTo(GetFeaturesTags.FEATURE) == 0) { |
| 766 |
end = true;
|
| 767 |
} |
| 768 |
|
| 769 |
break;
|
| 770 |
|
| 771 |
case KXmlParser.TEXT:
|
| 772 |
break;
|
| 773 |
} |
| 774 |
|
| 775 |
if (!end) {
|
| 776 |
currentTag = parser.next(); |
| 777 |
} |
| 778 |
} |
| 779 |
|
| 780 |
return geom;
|
| 781 |
} |
| 782 |
|
| 783 |
/**
|
| 784 |
* Private method that parses a COORDS tag to return an ArrayList of
|
| 785 |
* Point2D.Double objects
|
| 786 |
*
|
| 787 |
* @param strCoords
|
| 788 |
* @param delTuple
|
| 789 |
* @param delCoords
|
| 790 |
* @param delDec
|
| 791 |
* @return
|
| 792 |
* @throws CreateGeometryException
|
| 793 |
*/
|
| 794 |
private List<Point> parseCoords(String strCoords, String delTuple, |
| 795 |
String delCoords, char delDec) throws CreateGeometryException { |
| 796 |
|
| 797 |
GeometryManager geomManager = GeometryLocator.getGeometryManager(); |
| 798 |
List<Point> points = new ArrayList<Point>(); |
| 799 |
String tupla = new String(); |
| 800 |
String[] tuplaPart; |
| 801 |
Double x;
|
| 802 |
Double y;
|
| 803 |
|
| 804 |
/*
|
| 805 |
* Replaces Decimal Separator to convert coords to suitable doubles.
|
| 806 |
*
|
| 807 |
* Maybe it will have a better performance if we insert this replace
|
| 808 |
* into the while
|
| 809 |
*/
|
| 810 |
if (delDec != '.') { |
| 811 |
strCoords = strCoords.replace(delDec, '.');
|
| 812 |
} |
| 813 |
|
| 814 |
// Creates a tokenizer to run over the string
|
| 815 |
StringTokenizer tuplas = new StringTokenizer(strCoords, delTuple, false); |
| 816 |
|
| 817 |
// Get ArrayLists collections with X's and Y's
|
| 818 |
while (tuplas.hasMoreTokens()) {
|
| 819 |
// tupla = tuplas.nextToken().replace(delDec,'.');
|
| 820 |
tupla = tuplas.nextToken(); |
| 821 |
tuplaPart = tupla.split(delCoords); |
| 822 |
x = new Double(tuplaPart[0]); |
| 823 |
y = new Double(tuplaPart[1]); |
| 824 |
|
| 825 |
Point pto = geomManager.createPoint(x.doubleValue(), y
|
| 826 |
.doubleValue(), Geometry.SUBTYPES.GEOM2D); |
| 827 |
points.add(pto); |
| 828 |
} |
| 829 |
|
| 830 |
// Return a list of Points
|
| 831 |
return points;
|
| 832 |
} |
| 833 |
|
| 834 |
/**
|
| 835 |
* @param status
|
| 836 |
* @return
|
| 837 |
* @throws ArcImsException
|
| 838 |
*/
|
| 839 |
public Rectangle2D getLayerExtent(ArcImsVectStatus status) |
| 840 |
throws ArcImsException {
|
| 841 |
Rectangle2D envelope = null; |
| 842 |
String layerId = (String) status.getLayersIdsSelected().get(0); |
| 843 |
|
| 844 |
// logger.info("Getting Vectorial Layer Extent (" + status.getl)
|
| 845 |
ServiceInformation si = status.getServiceInfo(); |
| 846 |
String ini_srs = ServiceInfoTags.vINI_SRS;
|
| 847 |
|
| 848 |
String srsView = status.getSrs().substring(ini_srs.length()).trim();
|
| 849 |
String srsServ = si.getFeaturecoordsys();
|
| 850 |
boolean srsAssumed = si.isSrsAssumed();
|
| 851 |
|
| 852 |
if (srsAssumed || (srsView.equals(srsServ))) {
|
| 853 |
BoundaryBox bb = si.getLayerById(layerId).getEnvelope(); |
| 854 |
|
| 855 |
/*
|
| 856 |
* At the end, we convert the BoundaryBox to a Rectangle2D
|
| 857 |
*/
|
| 858 |
envelope = new Rectangle2D.Double(); |
| 859 |
|
| 860 |
envelope.setFrameFromDiagonal(bb.getXmin(), bb.getYmin(), bb |
| 861 |
.getXmax(), bb.getYmax()); |
| 862 |
|
| 863 |
return envelope;
|
| 864 |
} |
| 865 |
|
| 866 |
/*
|
| 867 |
* If SRS of View and Service are different, we do a custom request to
|
| 868 |
* retrieve the global envelope of the layer
|
| 869 |
*/
|
| 870 |
try {
|
| 871 |
/*
|
| 872 |
* Build the request
|
| 873 |
*/
|
| 874 |
URL url;
|
| 875 |
url = new URL(buildCapabilitiesRequest(status)); |
| 876 |
|
| 877 |
/*
|
| 878 |
* Build the proper ArcXML
|
| 879 |
*/
|
| 880 |
String request = ArcXMLFeatures.getLayerExtentRequest(status);
|
| 881 |
|
| 882 |
if (status.verbose) {
|
| 883 |
System.err.println(request);
|
| 884 |
} |
| 885 |
|
| 886 |
/*
|
| 887 |
* Request the envelope
|
| 888 |
*/
|
| 889 |
File response;
|
| 890 |
response = ArcImsDownloadUtils.doRequestPost(url, request, |
| 891 |
"getLayerExtent.xml");
|
| 892 |
|
| 893 |
/*
|
| 894 |
* Parse response and return a Rectangle2D
|
| 895 |
*/
|
| 896 |
char ds = si.getSeparators().getDs();
|
| 897 |
envelope = parseEnvelopeTag(new FileReader(response), ds); |
| 898 |
} catch (MalformedURLException e) { |
| 899 |
logger.error(e.getMessage(), e); |
| 900 |
throw new ArcImsException("arcims_server_error"); |
| 901 |
} catch (FileNotFoundException e) { |
| 902 |
logger.error(e.getMessage(), e); |
| 903 |
throw new ArcImsException("arcims_server_error"); |
| 904 |
} |
| 905 |
|
| 906 |
return envelope;
|
| 907 |
} |
| 908 |
|
| 909 |
/**
|
| 910 |
* Retrieves an ArrayList of Value arrays. The query can be filtered by a
|
| 911 |
* WHERE clause or an envelope. Only subfields passed will be retrieved
|
| 912 |
*
|
| 913 |
* @param status
|
| 914 |
* @param subfields
|
| 915 |
* @param where
|
| 916 |
* @param envelope
|
| 917 |
* @return
|
| 918 |
* @throws ArcImsException
|
| 919 |
*/
|
| 920 |
public List<List<ArcImsFeature>> getAttributes(ArcImsVectStatus status, |
| 921 |
String[] subfields, String where, Rectangle2D envelope) |
| 922 |
throws ArcImsException {
|
| 923 |
|
| 924 |
logger.info("Start getAttributes");
|
| 925 |
|
| 926 |
List<List<ArcImsFeature>> features = new ArrayList<List<ArcImsFeature>>(); |
| 927 |
|
| 928 |
// Clone the status and set temporal subfields and where clause
|
| 929 |
ArcImsVectStatus statusCloned = status; |
| 930 |
|
| 931 |
String[] subTemp = status.getSubfields(); |
| 932 |
String whereTemp = status.getWhere();
|
| 933 |
Rectangle2D rectTemp = status.getEnvelopeRect();
|
| 934 |
|
| 935 |
statusCloned.setSubfields(subfields); |
| 936 |
statusCloned.setWhere(where); |
| 937 |
statusCloned.setEnvelope(envelope); |
| 938 |
|
| 939 |
try {
|
| 940 |
/*
|
| 941 |
* Build the request
|
| 942 |
*/
|
| 943 |
URL url;
|
| 944 |
url = new URL(buildCapabilitiesRequest(statusCloned)); |
| 945 |
|
| 946 |
hasMore = true;
|
| 947 |
featCount = 0;
|
| 948 |
|
| 949 |
while (hasMore) {
|
| 950 |
/*
|
| 951 |
* Build the proper ArcXML
|
| 952 |
*/
|
| 953 |
String request = ArcXMLFeatures.getAttributesRequest(
|
| 954 |
statusCloned, featCount); |
| 955 |
|
| 956 |
if (status.verbose) {
|
| 957 |
System.err.println(request);
|
| 958 |
} |
| 959 |
|
| 960 |
// The attributes come from ArcIMS in ASCII/cp1252 encoding
|
| 961 |
boolean withUTF = false; |
| 962 |
|
| 963 |
// Don't download the file, pass the data directly from the
|
| 964 |
// connection
|
| 965 |
boolean withFile = false; |
| 966 |
|
| 967 |
/*
|
| 968 |
* Get an InputStream from File or directly from the connection
|
| 969 |
*/
|
| 970 |
InputStream is = null; |
| 971 |
|
| 972 |
if (withFile) {
|
| 973 |
File f = ArcImsDownloadUtils.doRequestPost(url, request,
|
| 974 |
"getAttributes.xml");
|
| 975 |
|
| 976 |
try {
|
| 977 |
is = new FileInputStream(f); |
| 978 |
} catch (FileNotFoundException e) { |
| 979 |
logger.error(e.getMessage(), e); |
| 980 |
} |
| 981 |
} else {
|
| 982 |
is = ArcImsDownloadUtils.getRemoteIS(url, request); |
| 983 |
} |
| 984 |
|
| 985 |
InputStreamReader isr = null; |
| 986 |
|
| 987 |
if (withUTF) {
|
| 988 |
// Deal with UTF-8
|
| 989 |
try {
|
| 990 |
isr = new InputStreamReader(is, "UTF-8"); |
| 991 |
} catch (UnsupportedEncodingException e) { |
| 992 |
logger.error(e.getMessage(), e); |
| 993 |
} |
| 994 |
} else {
|
| 995 |
// No deal with UTF-8
|
| 996 |
isr = new InputStreamReader(is); |
| 997 |
} |
| 998 |
|
| 999 |
/*
|
| 1000 |
* Finally, we can create a BufferedReader from the
|
| 1001 |
* InputStreamReader
|
| 1002 |
*/
|
| 1003 |
BufferedReader br = new BufferedReader(isr); |
| 1004 |
|
| 1005 |
/*
|
| 1006 |
* Parse response and return a Rectangle2D
|
| 1007 |
*/
|
| 1008 |
String layerId = (String) statusCloned.getLayersIdsSelected() |
| 1009 |
.get(0);
|
| 1010 |
logger.debug("Start attributes downloading and parsing ("
|
| 1011 |
+ featCount + ") ids retrieved");
|
| 1012 |
features.add(getFeatures(br, statusCloned.getServiceInfo(), |
| 1013 |
layerId, statusCloned.getSubfields(), 0));
|
| 1014 |
logger.debug("End attributes downloading and parsing");
|
| 1015 |
} |
| 1016 |
|
| 1017 |
hasMore = true;
|
| 1018 |
featCount = 0;
|
| 1019 |
} catch (MalformedURLException e) { |
| 1020 |
logger.error(e.getMessage(), e); |
| 1021 |
throw new ArcImsException("arcims_server_error"); |
| 1022 |
} catch (ArcImsException e) {
|
| 1023 |
logger.error(e.getMessage(), e); |
| 1024 |
throw new ArcImsException("arcims_server_error"); |
| 1025 |
} finally {
|
| 1026 |
status.setSubfields(subTemp); |
| 1027 |
status.setWhere(whereTemp); |
| 1028 |
status.setEnvelope(rectTemp); |
| 1029 |
} |
| 1030 |
|
| 1031 |
logger.debug("End attributes retrieving");
|
| 1032 |
|
| 1033 |
return features;
|
| 1034 |
} |
| 1035 |
|
| 1036 |
/**
|
| 1037 |
* Retrieves an ArrayList of I by some IDs. The geometry returned is the
|
| 1038 |
* envelope of the feature requested. The query can be filtered by a WHERE
|
| 1039 |
* clause or an envelope. Only subfields passed will be retrieved
|
| 1040 |
*
|
| 1041 |
* @param status
|
| 1042 |
* @param subfields
|
| 1043 |
* @param where
|
| 1044 |
* @param envelope
|
| 1045 |
* @return
|
| 1046 |
* @throws ArcImsException
|
| 1047 |
*/
|
| 1048 |
public List<List<ArcImsFeature>> getAttributesWithEnvelope( |
| 1049 |
ArcImsVectStatus status, String[] subfields, String where, |
| 1050 |
Rectangle2D envelope) throws ArcImsException { |
| 1051 |
|
| 1052 |
logger.info("Start getAttributesWihtEnvelope");
|
| 1053 |
|
| 1054 |
List<List<ArcImsFeature>> features = new ArrayList<List<ArcImsFeature>>(); |
| 1055 |
|
| 1056 |
// Clone the status and set temporal subfields and where clause
|
| 1057 |
ArcImsVectStatus statusCloned = status; |
| 1058 |
|
| 1059 |
String[] subTemp = status.getSubfields(); |
| 1060 |
String whereTemp = status.getWhere();
|
| 1061 |
Rectangle2D rectTemp = status.getEnvelopeRect();
|
| 1062 |
|
| 1063 |
statusCloned.setSubfields(subfields); |
| 1064 |
statusCloned.setWhere(where); |
| 1065 |
statusCloned.setEnvelope(envelope); |
| 1066 |
|
| 1067 |
try {
|
| 1068 |
/*
|
| 1069 |
* Build the request
|
| 1070 |
*/
|
| 1071 |
URL url;
|
| 1072 |
url = new URL(buildCapabilitiesRequest(statusCloned)); |
| 1073 |
|
| 1074 |
hasMore = true;
|
| 1075 |
featCount = 0;
|
| 1076 |
|
| 1077 |
while (hasMore) {
|
| 1078 |
/*
|
| 1079 |
* Build the proper ArcXML
|
| 1080 |
*/
|
| 1081 |
String request = ArcXMLFeatures.getAttributesRequest(
|
| 1082 |
statusCloned, featCount); |
| 1083 |
|
| 1084 |
if (status.verbose) {
|
| 1085 |
System.err.println(request);
|
| 1086 |
} |
| 1087 |
|
| 1088 |
// The attributes come from ArcIMS in ASCII/cp1252 encoding
|
| 1089 |
boolean withUTF = false; |
| 1090 |
|
| 1091 |
// Don't download the file, pass the data directly from the
|
| 1092 |
// connection
|
| 1093 |
boolean withFile = false; |
| 1094 |
|
| 1095 |
/*
|
| 1096 |
* Get an InputStream from File or directly from the connection
|
| 1097 |
*/
|
| 1098 |
InputStream is = null; |
| 1099 |
|
| 1100 |
if (withFile) {
|
| 1101 |
File f = ArcImsDownloadUtils.doRequestPost(url, request,
|
| 1102 |
"getAttributes.xml");
|
| 1103 |
|
| 1104 |
try {
|
| 1105 |
is = new FileInputStream(f); |
| 1106 |
} catch (FileNotFoundException e) { |
| 1107 |
logger.error(e.getMessage(), e); |
| 1108 |
} |
| 1109 |
} else {
|
| 1110 |
is = ArcImsDownloadUtils.getRemoteIS(url, request); |
| 1111 |
} |
| 1112 |
|
| 1113 |
InputStreamReader isr = null; |
| 1114 |
|
| 1115 |
if (withUTF) {
|
| 1116 |
// Deal with UTF-8
|
| 1117 |
try {
|
| 1118 |
isr = new InputStreamReader(is, "UTF-8"); |
| 1119 |
} catch (UnsupportedEncodingException e) { |
| 1120 |
logger.error(e.getMessage(), e); |
| 1121 |
} |
| 1122 |
} else {
|
| 1123 |
// No deal with UTF-8
|
| 1124 |
isr = new InputStreamReader(is); |
| 1125 |
} |
| 1126 |
|
| 1127 |
/*
|
| 1128 |
* Finally, we can create a BufferedReader from the
|
| 1129 |
* InputStreamReader
|
| 1130 |
*/
|
| 1131 |
BufferedReader br = new BufferedReader(isr); |
| 1132 |
|
| 1133 |
/*
|
| 1134 |
* Parse response and return a Rectangle2D
|
| 1135 |
*/
|
| 1136 |
String layerId = (String) statusCloned.getLayersIdsSelected() |
| 1137 |
.get(0);
|
| 1138 |
logger.debug("Start attributes downloading and parsing ("
|
| 1139 |
+ featCount + ") ids retrieved");
|
| 1140 |
features.add(getFeatures(br, statusCloned.getServiceInfo(), |
| 1141 |
layerId, statusCloned.getSubfields(), 2)); // Here we |
| 1142 |
// request
|
| 1143 |
// envelopes instead
|
| 1144 |
// of geometries
|
| 1145 |
logger.debug("End attributes downloading and parsing");
|
| 1146 |
} |
| 1147 |
|
| 1148 |
hasMore = true;
|
| 1149 |
featCount = 0;
|
| 1150 |
} catch (MalformedURLException e) { |
| 1151 |
logger.error(e.getMessage(), e); |
| 1152 |
throw new ArcImsException("arcims_server_error"); |
| 1153 |
} catch (ArcImsException e) {
|
| 1154 |
logger.error(e.getMessage(), e); |
| 1155 |
throw new ArcImsException("arcims_server_error"); |
| 1156 |
} finally {
|
| 1157 |
status.setSubfields(subTemp); |
| 1158 |
status.setWhere(whereTemp); |
| 1159 |
status.setEnvelope(rectTemp); |
| 1160 |
} |
| 1161 |
|
| 1162 |
logger.debug("End attributes retrieving");
|
| 1163 |
|
| 1164 |
return features;
|
| 1165 |
} |
| 1166 |
|
| 1167 |
/*
|
| 1168 |
* (non-Javadoc)
|
| 1169 |
*
|
| 1170 |
* @see
|
| 1171 |
* org.gvsig.remoteClient.arcims.ArcImsProtocolHandler#getElementInfo(org
|
| 1172 |
* .gvsig.remoteClient.arcims.ArcImsStatus, int, int, int)
|
| 1173 |
*/
|
| 1174 |
public String getElementInfo(ArcImsStatus status, int x, int y, |
| 1175 |
int featureCount) throws ArcImsException { |
| 1176 |
throw new ClassCastException( |
| 1177 |
"Invalid request, this method is only valid for Image Services");
|
| 1178 |
} |
| 1179 |
|
| 1180 |
|
| 1181 |
|
| 1182 |
/**
|
| 1183 |
* Method to retrieve an ArrayList of features from an ArcIMS FeatureService
|
| 1184 |
*
|
| 1185 |
* @param status
|
| 1186 |
* @return ArrayList of IFeatures with geometries and Id's to attribute
|
| 1187 |
* table
|
| 1188 |
* @throws ArcImsException
|
| 1189 |
*/
|
| 1190 |
public List<ArcImsFeature> getFeaturesByEnvelope(ArcImsVectStatus status, String layerId) |
| 1191 |
throws ArcImsException {
|
| 1192 |
logger.info("Start getMap");
|
| 1193 |
|
| 1194 |
List<ArcImsFeature> feats = new ArrayList<ArcImsFeature>(); |
| 1195 |
|
| 1196 |
try {
|
| 1197 |
/*
|
| 1198 |
* Build the request
|
| 1199 |
*/
|
| 1200 |
URL url = new URL(buildCapabilitiesRequest(status)); |
| 1201 |
|
| 1202 |
hasMore = true;
|
| 1203 |
featCount = 1;
|
| 1204 |
|
| 1205 |
while (hasMore) {
|
| 1206 |
/*
|
| 1207 |
* Build the proper ArcXML
|
| 1208 |
*/
|
| 1209 |
String request = ArcXMLFeatures.getFeaturesExtentRequest(status, featCount, layerId);
|
| 1210 |
|
| 1211 |
if (status.verbose) {
|
| 1212 |
System.err.println(request);
|
| 1213 |
} |
| 1214 |
|
| 1215 |
/*
|
| 1216 |
* Request the reader
|
| 1217 |
*/
|
| 1218 |
logger.info("Start features downloading");
|
| 1219 |
|
| 1220 |
File f = ArcImsDownloadUtils.doRequestPost(url, request,
|
| 1221 |
"getFeaturesEnvelope.xml");
|
| 1222 |
logger.info("End features downloading by envelope");
|
| 1223 |
|
| 1224 |
|
| 1225 |
// Deal with UTF-8
|
| 1226 |
Reader reader = null; |
| 1227 |
FileInputStream fis = new FileInputStream(f); |
| 1228 |
InputStreamReader isr = new InputStreamReader(fis, "UTF-8"); |
| 1229 |
BufferedReader br = new BufferedReader(isr); |
| 1230 |
reader = br; |
| 1231 |
|
| 1232 |
logger.debug("Start features with attributes parsing");
|
| 1233 |
feats = this.getFeatures(reader, status
|
| 1234 |
.getServiceInfo(), layerId, status.getSubfields(), 1);
|
| 1235 |
|
| 1236 |
logger.debug("End features with attributes parsing");
|
| 1237 |
} |
| 1238 |
|
| 1239 |
hasMore = true;
|
| 1240 |
featCount = 1;
|
| 1241 |
} catch (MalformedURLException e) { |
| 1242 |
logger.error(e.getMessage(), e); |
| 1243 |
throw new ArcImsException("arcims_server_error"); |
| 1244 |
} catch (FileNotFoundException e) { |
| 1245 |
logger.error(e.getMessage(), e); |
| 1246 |
throw new ArcImsException("arcims_server_error"); |
| 1247 |
} catch (UnsupportedEncodingException e) { |
| 1248 |
logger.error(e.getMessage(), e); |
| 1249 |
} |
| 1250 |
|
| 1251 |
logger.debug("End getMap");
|
| 1252 |
|
| 1253 |
return feats;
|
| 1254 |
} |
| 1255 |
} |