| 1 | // License: GPL. See LICENSE file for details. |
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| 2 | package org.openstreetmap.josm.io; |
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| 3 | |
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| 4 | import static org.openstreetmap.josm.tools.I18n.tr; |
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| 5 | |
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| 6 | import java.io.InputStream; |
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| 7 | import java.io.InputStreamReader; |
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| 8 | import java.text.MessageFormat; |
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| 9 | import java.util.ArrayList; |
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| 10 | import java.util.Collection; |
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| 11 | import java.util.regex.Matcher; |
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| 12 | import java.util.regex.Pattern; |
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| 13 | |
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| 14 | import javax.xml.stream.Location; |
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| 15 | import javax.xml.stream.XMLInputFactory; |
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| 16 | import javax.xml.stream.XMLStreamConstants; |
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| 17 | import javax.xml.stream.XMLStreamException; |
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| 18 | import javax.xml.stream.XMLStreamReader; |
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| 19 | |
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| 20 | import org.openstreetmap.josm.data.Bounds; |
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| 21 | import org.openstreetmap.josm.data.coor.LatLon; |
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| 22 | import org.openstreetmap.josm.data.osm.Changeset; |
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| 23 | import org.openstreetmap.josm.data.osm.DataSet; |
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| 24 | import org.openstreetmap.josm.data.osm.DataSource; |
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| 25 | import org.openstreetmap.josm.data.osm.Node; |
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| 26 | import org.openstreetmap.josm.data.osm.NodeData; |
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| 27 | import org.openstreetmap.josm.data.osm.OsmPrimitiveType; |
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| 28 | import org.openstreetmap.josm.data.osm.PrimitiveData; |
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| 29 | import org.openstreetmap.josm.data.osm.Relation; |
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| 30 | import org.openstreetmap.josm.data.osm.RelationData; |
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| 31 | import org.openstreetmap.josm.data.osm.RelationMemberData; |
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| 32 | import org.openstreetmap.josm.data.osm.Tagged; |
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| 33 | import org.openstreetmap.josm.data.osm.User; |
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| 34 | import org.openstreetmap.josm.data.osm.Way; |
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| 35 | import org.openstreetmap.josm.data.osm.WayData; |
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| 36 | import org.openstreetmap.josm.gui.progress.NullProgressMonitor; |
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| 37 | import org.openstreetmap.josm.gui.progress.ProgressMonitor; |
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| 38 | import org.openstreetmap.josm.tools.CheckParameterUtil; |
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| 39 | import org.openstreetmap.josm.tools.DateUtils; |
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| 40 | |
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| 41 | /** |
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| 42 | * Parser for the Osm Api. Read from an input stream and construct a dataset out of it. |
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| 43 | * |
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| 44 | * For each xml element, there is a dedicated method. |
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| 45 | * The XMLStreamReader cursor points to the start of the element, when the method is |
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| 46 | * entered, and it must point to the end of the same element, when it is exited. |
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| 47 | */ |
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| 48 | public class OsmReader extends AbstractReader { |
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| 49 | |
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| 50 | protected XMLStreamReader parser; |
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| 51 | |
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| 52 | /** Used by plugins to register themselves as data postprocessors. */ |
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| 53 | public static ArrayList<OsmServerReadPostprocessor> postprocessors; |
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| 54 | |
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| 55 | /** register a new postprocessor */ |
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| 56 | public static void registerPostprocessor(OsmServerReadPostprocessor pp) { |
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| 57 | if (postprocessors == null) { |
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| 58 | postprocessors = new ArrayList<OsmServerReadPostprocessor>(); |
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| 59 | } |
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| 60 | postprocessors.add(pp); |
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| 61 | } |
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| 62 | |
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| 63 | /** deregister a postprocessor previously registered with registerPostprocessor */ |
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| 64 | public static void deregisterPostprocessor(OsmServerReadPostprocessor pp) { |
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| 65 | if (postprocessors != null) { |
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| 66 | postprocessors.remove(pp); |
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| 67 | } |
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| 68 | } |
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| 69 | |
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| 70 | /** |
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| 71 | * constructor (for private and subclasses use only) |
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| 72 | * |
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| 73 | * @see #parseDataSet(InputStream, DataSet, ProgressMonitor) |
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| 74 | */ |
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| 75 | protected OsmReader() { |
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| 76 | } |
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| 77 | |
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| 78 | protected void setParser(XMLStreamReader parser) { |
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| 79 | this.parser = parser; |
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| 80 | } |
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| 81 | |
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| 82 | protected void throwException(String msg) throws XMLStreamException { |
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| 83 | throw new OsmParsingException(msg, parser.getLocation()); |
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| 84 | } |
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| 85 | |
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| 86 | protected void parse() throws XMLStreamException { |
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| 87 | int event = parser.getEventType(); |
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| 88 | while (true) { |
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| 89 | if (event == XMLStreamConstants.START_ELEMENT) { |
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| 90 | parseRoot(); |
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| 91 | } else if (event == XMLStreamConstants.END_ELEMENT) |
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| 92 | return; |
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| 93 | if (parser.hasNext()) { |
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| 94 | event = parser.next(); |
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| 95 | } else { |
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| 96 | break; |
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| 97 | } |
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| 98 | } |
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| 99 | parser.close(); |
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| 100 | } |
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| 101 | |
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| 102 | protected void parseRoot() throws XMLStreamException { |
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| 103 | if (parser.getLocalName().equals("osm")) { |
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| 104 | parseOsm(); |
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| 105 | } else { |
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| 106 | parseUnknown(); |
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| 107 | } |
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| 108 | } |
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| 109 | |
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| 110 | private void parseOsm() throws XMLStreamException { |
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| 111 | String v = parser.getAttributeValue(null, "version"); |
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| 112 | if (v == null) { |
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| 113 | throwException(tr("Missing mandatory attribute ''{0}''.", "version")); |
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| 114 | } |
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| 115 | if (!(v.equals("0.5") || v.equals("0.6"))) { |
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| 116 | throwException(tr("Unsupported version: {0}", v)); |
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| 117 | } |
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| 118 | ds.setVersion(v); |
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| 119 | String upload = parser.getAttributeValue(null, "upload"); |
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| 120 | if (upload != null) { |
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| 121 | ds.setUploadDiscouraged(!Boolean.parseBoolean(upload)); |
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| 122 | } |
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| 123 | String generator = parser.getAttributeValue(null, "generator"); |
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| 124 | Long uploadChangesetId = null; |
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| 125 | if (parser.getAttributeValue(null, "upload-changeset") != null) { |
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| 126 | uploadChangesetId = getLong("upload-changeset"); |
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| 127 | } |
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| 128 | while (true) { |
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| 129 | int event = parser.next(); |
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| 130 | if (event == XMLStreamConstants.START_ELEMENT) { |
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| 131 | if (parser.getLocalName().equals("bounds")) { |
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| 132 | parseBounds(generator); |
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| 133 | } else if (parser.getLocalName().equals("node")) { |
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| 134 | parseNode(); |
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| 135 | } else if (parser.getLocalName().equals("way")) { |
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| 136 | parseWay(); |
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| 137 | } else if (parser.getLocalName().equals("relation")) { |
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| 138 | parseRelation(); |
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| 139 | } else if (parser.getLocalName().equals("changeset")) { |
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| 140 | parseChangeset(uploadChangesetId); |
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| 141 | } else { |
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| 142 | parseUnknown(); |
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| 143 | } |
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| 144 | } else if (event == XMLStreamConstants.END_ELEMENT) |
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| 145 | return; |
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| 146 | } |
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| 147 | } |
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| 148 | |
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| 149 | private void parseBounds(String generator) throws XMLStreamException { |
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| 150 | String minlon = parser.getAttributeValue(null, "minlon"); |
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| 151 | String minlat = parser.getAttributeValue(null, "minlat"); |
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| 152 | String maxlon = parser.getAttributeValue(null, "maxlon"); |
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| 153 | String maxlat = parser.getAttributeValue(null, "maxlat"); |
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| 154 | String origin = parser.getAttributeValue(null, "origin"); |
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| 155 | if (minlon != null && maxlon != null && minlat != null && maxlat != null) { |
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| 156 | if (origin == null) { |
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| 157 | origin = generator; |
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| 158 | } |
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| 159 | Bounds bounds = new Bounds( |
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| 160 | Double.parseDouble(minlat), Double.parseDouble(minlon), |
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| 161 | Double.parseDouble(maxlat), Double.parseDouble(maxlon)); |
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| 162 | if (bounds.isOutOfTheWorld()) { |
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| 163 | Bounds copy = new Bounds(bounds); |
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| 164 | bounds.normalize(); |
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| 165 | System.out.println("Bbox " + copy + " is out of the world, normalized to " + bounds); |
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| 166 | } |
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| 167 | DataSource src = new DataSource(bounds, origin); |
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| 168 | ds.dataSources.add(src); |
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| 169 | } else { |
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| 170 | throwException(tr( |
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| 171 | "Missing mandatory attributes on element ''bounds''. Got minlon=''{0}'',minlat=''{1}'',maxlon=''{3}'',maxlat=''{4}'', origin=''{5}''.", |
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| 172 | minlon, minlat, maxlon, maxlat, origin |
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| 173 | )); |
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| 174 | } |
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| 175 | jumpToEnd(); |
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| 176 | } |
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| 177 | |
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| 178 | protected Node parseNode() throws XMLStreamException { |
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| 179 | NodeData nd = new NodeData(); |
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| 180 | nd.setCoor(new LatLon(Double.parseDouble(parser.getAttributeValue(null, "lat")), Double.parseDouble(parser.getAttributeValue(null, "lon")))); |
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| 181 | readCommon(nd); |
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| 182 | Node n = new Node(nd.getId(), nd.getVersion()); |
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| 183 | n.setVisible(nd.isVisible()); |
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| 184 | n.load(nd); |
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| 185 | externalIdMap.put(nd.getPrimitiveId(), n); |
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| 186 | while (true) { |
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| 187 | int event = parser.next(); |
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| 188 | if (event == XMLStreamConstants.START_ELEMENT) { |
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| 189 | if (parser.getLocalName().equals("tag")) { |
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| 190 | parseTag(n); |
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| 191 | } else { |
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| 192 | parseUnknown(); |
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| 193 | } |
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| 194 | } else if (event == XMLStreamConstants.END_ELEMENT) |
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| 195 | return n; |
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| 196 | } |
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| 197 | } |
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| 198 | |
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| 199 | protected Way parseWay() throws XMLStreamException { |
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| 200 | WayData wd = new WayData(); |
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| 201 | readCommon(wd); |
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| 202 | Way w = new Way(wd.getId(), wd.getVersion()); |
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| 203 | w.setVisible(wd.isVisible()); |
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| 204 | w.load(wd); |
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| 205 | externalIdMap.put(wd.getPrimitiveId(), w); |
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| 206 | |
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| 207 | Collection<Long> nodeIds = new ArrayList<Long>(); |
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| 208 | while (true) { |
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| 209 | int event = parser.next(); |
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| 210 | if (event == XMLStreamConstants.START_ELEMENT) { |
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| 211 | if (parser.getLocalName().equals("nd")) { |
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| 212 | nodeIds.add(parseWayNode(w)); |
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| 213 | } else if (parser.getLocalName().equals("tag")) { |
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| 214 | parseTag(w); |
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| 215 | } else { |
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| 216 | parseUnknown(); |
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| 217 | } |
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| 218 | } else if (event == XMLStreamConstants.END_ELEMENT) { |
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| 219 | break; |
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| 220 | } |
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| 221 | } |
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| 222 | if (w.isDeleted() && nodeIds.size() > 0) { |
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| 223 | System.out.println(tr("Deleted way {0} contains nodes", w.getUniqueId())); |
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| 224 | nodeIds = new ArrayList<Long>(); |
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| 225 | } |
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| 226 | ways.put(wd.getUniqueId(), nodeIds); |
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| 227 | return w; |
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| 228 | } |
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| 229 | |
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| 230 | private long parseWayNode(Way w) throws XMLStreamException { |
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| 231 | if (parser.getAttributeValue(null, "ref") == null) { |
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| 232 | throwException( |
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| 233 | tr("Missing mandatory attribute ''{0}'' on <nd> of way {1}.", "ref", w.getUniqueId()) |
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| 234 | ); |
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| 235 | } |
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| 236 | long id = getLong("ref"); |
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| 237 | if (id == 0) { |
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| 238 | throwException( |
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| 239 | tr("Illegal value of attribute ''ref'' of element <nd>. Got {0}.", id) |
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| 240 | ); |
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| 241 | } |
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| 242 | jumpToEnd(); |
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| 243 | return id; |
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| 244 | } |
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| 245 | |
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| 246 | protected Relation parseRelation() throws XMLStreamException { |
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| 247 | RelationData rd = new RelationData(); |
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| 248 | readCommon(rd); |
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| 249 | Relation r = new Relation(rd.getId(), rd.getVersion()); |
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| 250 | r.setVisible(rd.isVisible()); |
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| 251 | r.load(rd); |
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| 252 | externalIdMap.put(rd.getPrimitiveId(), r); |
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| 253 | |
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| 254 | Collection<RelationMemberData> members = new ArrayList<RelationMemberData>(); |
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| 255 | while (true) { |
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| 256 | int event = parser.next(); |
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| 257 | if (event == XMLStreamConstants.START_ELEMENT) { |
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| 258 | if (parser.getLocalName().equals("member")) { |
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| 259 | members.add(parseRelationMember(r)); |
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| 260 | } else if (parser.getLocalName().equals("tag")) { |
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| 261 | parseTag(r); |
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| 262 | } else { |
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| 263 | parseUnknown(); |
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| 264 | } |
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| 265 | } else if (event == XMLStreamConstants.END_ELEMENT) { |
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| 266 | break; |
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| 267 | } |
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| 268 | } |
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| 269 | if (r.isDeleted() && members.size() > 0) { |
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| 270 | System.out.println(tr("Deleted relation {0} contains members", r.getUniqueId())); |
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| 271 | members = new ArrayList<RelationMemberData>(); |
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| 272 | } |
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| 273 | relations.put(rd.getUniqueId(), members); |
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| 274 | return r; |
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| 275 | } |
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| 276 | |
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| 277 | private RelationMemberData parseRelationMember(Relation r) throws XMLStreamException { |
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| 278 | String role = null; |
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| 279 | OsmPrimitiveType type = null; |
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| 280 | long id = 0; |
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| 281 | String value = parser.getAttributeValue(null, "ref"); |
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| 282 | if (value == null) { |
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| 283 | throwException(tr("Missing attribute ''ref'' on member in relation {0}.",r.getUniqueId())); |
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| 284 | } |
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| 285 | try { |
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| 286 | id = Long.parseLong(value); |
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| 287 | } catch(NumberFormatException e) { |
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| 288 | throwException(tr("Illegal value for attribute ''ref'' on member in relation {0}. Got {1}", Long.toString(r.getUniqueId()),value)); |
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| 289 | } |
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| 290 | value = parser.getAttributeValue(null, "type"); |
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| 291 | if (value == null) { |
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| 292 | throwException(tr("Missing attribute ''type'' on member {0} in relation {1}.", Long.toString(id), Long.toString(r.getUniqueId()))); |
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| 293 | } |
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| 294 | try { |
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| 295 | type = OsmPrimitiveType.fromApiTypeName(value); |
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| 296 | } catch(IllegalArgumentException e) { |
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| 297 | throwException(tr("Illegal value for attribute ''type'' on member {0} in relation {1}. Got {2}.", Long.toString(id), Long.toString(r.getUniqueId()), value)); |
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| 298 | } |
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| 299 | value = parser.getAttributeValue(null, "role"); |
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| 300 | role = value; |
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| 301 | |
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| 302 | if (id == 0) { |
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| 303 | throwException(tr("Incomplete <member> specification with ref=0")); |
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| 304 | } |
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| 305 | jumpToEnd(); |
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| 306 | return new RelationMemberData(role, type, id); |
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| 307 | } |
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| 308 | |
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| 309 | private void parseChangeset(Long uploadChangesetId) throws XMLStreamException { |
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| 310 | long id = getLong("id"); |
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| 311 | |
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| 312 | if (id == uploadChangesetId) { |
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| 313 | uploadChangeset = new Changeset((int) getLong("id")); |
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| 314 | while (true) { |
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| 315 | int event = parser.next(); |
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| 316 | if (event == XMLStreamConstants.START_ELEMENT) { |
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| 317 | if (parser.getLocalName().equals("tag")) { |
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| 318 | parseTag(uploadChangeset); |
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| 319 | } else { |
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| 320 | parseUnknown(); |
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| 321 | } |
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| 322 | } else if (event == XMLStreamConstants.END_ELEMENT) |
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| 323 | return; |
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| 324 | } |
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| 325 | } else { |
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| 326 | jumpToEnd(false); |
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| 327 | } |
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| 328 | } |
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| 329 | |
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| 330 | private void parseTag(Tagged t) throws XMLStreamException { |
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| 331 | String key = parser.getAttributeValue(null, "k"); |
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| 332 | String value = parser.getAttributeValue(null, "v"); |
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| 333 | if (key == null || value == null) { |
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| 334 | throwException(tr("Missing key or value attribute in tag.")); |
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| 335 | } |
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| 336 | t.put(key.intern(), value.intern()); |
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| 337 | jumpToEnd(); |
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| 338 | } |
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| 339 | |
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| 340 | protected void parseUnknown(boolean printWarning) throws XMLStreamException { |
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| 341 | if (printWarning) { |
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| 342 | System.out.println(tr("Undefined element ''{0}'' found in input stream. Skipping.", parser.getLocalName())); |
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| 343 | } |
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| 344 | while (true) { |
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| 345 | int event = parser.next(); |
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| 346 | if (event == XMLStreamConstants.START_ELEMENT) { |
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| 347 | parseUnknown(false); /* no more warning for inner elements */ |
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| 348 | } else if (event == XMLStreamConstants.END_ELEMENT) |
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| 349 | return; |
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| 350 | } |
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| 351 | } |
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| 352 | |
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| 353 | protected void parseUnknown() throws XMLStreamException { |
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| 354 | parseUnknown(true); |
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| 355 | } |
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| 356 | |
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| 357 | /** |
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| 358 | * When cursor is at the start of an element, moves it to the end tag of that element. |
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| 359 | * Nested content is skipped. |
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| 360 | * |
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| 361 | * This is basically the same code as parseUnknown(), except for the warnings, which |
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| 362 | * are displayed for inner elements and not at top level. |
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| 363 | */ |
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| 364 | private void jumpToEnd(boolean printWarning) throws XMLStreamException { |
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| 365 | while (true) { |
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| 366 | int event = parser.next(); |
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| 367 | if (event == XMLStreamConstants.START_ELEMENT) { |
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| 368 | parseUnknown(printWarning); |
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| 369 | } else if (event == XMLStreamConstants.END_ELEMENT) |
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| 370 | return; |
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| 371 | } |
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| 372 | } |
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| 373 | |
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| 374 | private void jumpToEnd() throws XMLStreamException { |
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| 375 | jumpToEnd(true); |
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| 376 | } |
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| 377 | |
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| 378 | private User createUser(String uid, String name) throws XMLStreamException { |
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| 379 | if (uid == null) { |
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| 380 | if (name == null) |
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| 381 | return null; |
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| 382 | return User.createLocalUser(name); |
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| 383 | } |
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| 384 | try { |
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| 385 | long id = Long.parseLong(uid); |
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| 386 | return User.createOsmUser(id, name); |
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| 387 | } catch(NumberFormatException e) { |
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| 388 | throwException(MessageFormat.format("Illegal value for attribute ''uid''. Got ''{0}''.", uid)); |
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| 389 | } |
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| 390 | return null; |
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| 391 | } |
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| 392 | |
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| 393 | /** |
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| 394 | * Read out the common attributes and put them into current OsmPrimitive. |
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| 395 | */ |
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| 396 | private void readCommon(PrimitiveData current) throws XMLStreamException { |
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| 397 | current.setId(getLong("id")); |
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| 398 | if (current.getUniqueId() == 0) { |
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| 399 | throwException(tr("Illegal object with ID=0.")); |
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| 400 | } |
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| 401 | |
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| 402 | String time = parser.getAttributeValue(null, "timestamp"); |
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| 403 | if (time != null && time.length() != 0) { |
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| 404 | current.setTimestamp(DateUtils.fromString(time)); |
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| 405 | } |
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| 406 | |
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| 407 | // user attribute added in 0.4 API |
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| 408 | String user = parser.getAttributeValue(null, "user"); |
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| 409 | // uid attribute added in 0.6 API |
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| 410 | String uid = parser.getAttributeValue(null, "uid"); |
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| 411 | current.setUser(createUser(uid, user)); |
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| 412 | |
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| 413 | // visible attribute added in 0.4 API |
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| 414 | String visible = parser.getAttributeValue(null, "visible"); |
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| 415 | if (visible != null) { |
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| 416 | current.setVisible(Boolean.parseBoolean(visible)); |
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| 417 | } |
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| 418 | |
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| 419 | String versionString = parser.getAttributeValue(null, "version"); |
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| 420 | int version = 0; |
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| 421 | if (versionString != null) { |
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| 422 | try { |
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| 423 | version = Integer.parseInt(versionString); |
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| 424 | } catch(NumberFormatException e) { |
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| 425 | throwException(tr("Illegal value for attribute ''version'' on OSM primitive with ID {0}. Got {1}.", Long.toString(current.getUniqueId()), versionString)); |
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| 426 | } |
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| 427 | if (ds.getVersion().equals("0.6")){ |
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| 428 | if (version <= 0 && current.getUniqueId() > 0) { |
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| 429 | throwException(tr("Illegal value for attribute ''version'' on OSM primitive with ID {0}. Got {1}.", Long.toString(current.getUniqueId()), versionString)); |
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| 430 | } else if (version < 0 && current.getUniqueId() <= 0) { |
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| 431 | System.out.println(tr("WARNING: Normalizing value of attribute ''version'' of element {0} to {2}, API version is ''{3}''. Got {1}.", current.getUniqueId(), version, 0, "0.6")); |
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| 432 | version = 0; |
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| 433 | } |
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| 434 | } else if (ds.getVersion().equals("0.5")) { |
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| 435 | if (version <= 0 && current.getUniqueId() > 0) { |
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| 436 | System.out.println(tr("WARNING: Normalizing value of attribute ''version'' of element {0} to {2}, API version is ''{3}''. Got {1}.", current.getUniqueId(), version, 1, "0.5")); |
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| 437 | version = 1; |
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| 438 | } else if (version < 0 && current.getUniqueId() <= 0) { |
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| 439 | System.out.println(tr("WARNING: Normalizing value of attribute ''version'' of element {0} to {2}, API version is ''{3}''. Got {1}.", current.getUniqueId(), version, 0, "0.5")); |
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| 440 | version = 0; |
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| 441 | } |
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| 442 | } else { |
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| 443 | // should not happen. API version has been checked before |
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| 444 | throwException(tr("Unknown or unsupported API version. Got {0}.", ds.getVersion())); |
|---|
| 445 | } |
|---|
| 446 | } else { |
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| 447 | // version expected for OSM primitives with an id assigned by the server (id > 0), since API 0.6 |
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| 448 | // |
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| 449 | if (current.getUniqueId() > 0 && ds.getVersion() != null && ds.getVersion().equals("0.6")) { |
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| 450 | throwException(tr("Missing attribute ''version'' on OSM primitive with ID {0}.", Long.toString(current.getUniqueId()))); |
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| 451 | } else if (current.getUniqueId() > 0 && ds.getVersion() != null && ds.getVersion().equals("0.5")) { |
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| 452 | // default version in 0.5 files for existing primitives |
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| 453 | System.out.println(tr("WARNING: Normalizing value of attribute ''version'' of element {0} to {2}, API version is ''{3}''. Got {1}.", current.getUniqueId(), version, 1, "0.5")); |
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| 454 | version= 1; |
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| 455 | } else if (current.getUniqueId() <= 0 && ds.getVersion() != null && ds.getVersion().equals("0.5")) { |
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| 456 | // default version in 0.5 files for new primitives, no warning necessary. This is |
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| 457 | // (was) legal in API 0.5 |
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| 458 | version= 0; |
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| 459 | } |
|---|
| 460 | } |
|---|
| 461 | current.setVersion(version); |
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| 462 | |
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| 463 | String action = parser.getAttributeValue(null, "action"); |
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| 464 | if (action == null) { |
|---|
| 465 | // do nothing |
|---|
| 466 | } else if (action.equals("delete")) { |
|---|
| 467 | current.setDeleted(true); |
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| 468 | current.setModified(current.isVisible()); |
|---|
| 469 | } else if (action.equals("modify")) { |
|---|
| 470 | current.setModified(true); |
|---|
| 471 | } |
|---|
| 472 | |
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| 473 | String v = parser.getAttributeValue(null, "changeset"); |
|---|
| 474 | if (v == null) { |
|---|
| 475 | current.setChangesetId(0); |
|---|
| 476 | } else { |
|---|
| 477 | try { |
|---|
| 478 | current.setChangesetId(Integer.parseInt(v)); |
|---|
| 479 | } catch(NumberFormatException e) { |
|---|
| 480 | if (current.getUniqueId() <= 0) { |
|---|
| 481 | // for a new primitive we just log a warning |
|---|
| 482 | System.out.println(tr("Illegal value for attribute ''changeset'' on new object {1}. Got {0}. Resetting to 0.", v, current.getUniqueId())); |
|---|
| 483 | current.setChangesetId(0); |
|---|
| 484 | } else { |
|---|
| 485 | // for an existing primitive this is a problem |
|---|
| 486 | throwException(tr("Illegal value for attribute ''changeset''. Got {0}.", v)); |
|---|
| 487 | } |
|---|
| 488 | } |
|---|
| 489 | if (current.getChangesetId() <=0) { |
|---|
| 490 | if (current.getUniqueId() <= 0) { |
|---|
| 491 | // for a new primitive we just log a warning |
|---|
| 492 | System.out.println(tr("Illegal value for attribute ''changeset'' on new object {1}. Got {0}. Resetting to 0.", v, current.getUniqueId())); |
|---|
| 493 | current.setChangesetId(0); |
|---|
| 494 | } else { |
|---|
| 495 | // for an existing primitive this is a problem |
|---|
| 496 | throwException(tr("Illegal value for attribute ''changeset''. Got {0}.", v)); |
|---|
| 497 | } |
|---|
| 498 | } |
|---|
| 499 | } |
|---|
| 500 | } |
|---|
| 501 | |
|---|
| 502 | private long getLong(String name) throws XMLStreamException { |
|---|
| 503 | String value = parser.getAttributeValue(null, name); |
|---|
| 504 | if (value == null) { |
|---|
| 505 | throwException(tr("Missing required attribute ''{0}''.",name)); |
|---|
| 506 | } |
|---|
| 507 | try { |
|---|
| 508 | return Long.parseLong(value); |
|---|
| 509 | } catch(NumberFormatException e) { |
|---|
| 510 | throwException(tr("Illegal long value for attribute ''{0}''. Got ''{1}''.",name, value)); |
|---|
| 511 | } |
|---|
| 512 | return 0; // should not happen |
|---|
| 513 | } |
|---|
| 514 | |
|---|
| 515 | private static class OsmParsingException extends XMLStreamException { |
|---|
| 516 | public OsmParsingException() { |
|---|
| 517 | super(); |
|---|
| 518 | } |
|---|
| 519 | |
|---|
| 520 | public OsmParsingException(String msg) { |
|---|
| 521 | super(msg); |
|---|
| 522 | } |
|---|
| 523 | |
|---|
| 524 | public OsmParsingException(String msg, Location location) { |
|---|
| 525 | super(msg); /* cannot use super(msg, location) because it messes with the message preventing localization */ |
|---|
| 526 | this.location = location; |
|---|
| 527 | } |
|---|
| 528 | |
|---|
| 529 | public OsmParsingException(String msg, Location location, Throwable th) { |
|---|
| 530 | super(msg, th); |
|---|
| 531 | this.location = location; |
|---|
| 532 | } |
|---|
| 533 | |
|---|
| 534 | public OsmParsingException(String msg, Throwable th) { |
|---|
| 535 | super(msg, th); |
|---|
| 536 | } |
|---|
| 537 | |
|---|
| 538 | public OsmParsingException(Throwable th) { |
|---|
| 539 | super(th); |
|---|
| 540 | } |
|---|
| 541 | |
|---|
| 542 | @Override |
|---|
| 543 | public String getMessage() { |
|---|
| 544 | String msg = super.getMessage(); |
|---|
| 545 | if (msg == null) { |
|---|
| 546 | msg = getClass().getName(); |
|---|
| 547 | } |
|---|
| 548 | if (getLocation() == null) |
|---|
| 549 | return msg; |
|---|
| 550 | msg = msg + " " + tr("(at line {0}, column {1})", getLocation().getLineNumber(), getLocation().getColumnNumber()); |
|---|
| 551 | return msg; |
|---|
| 552 | } |
|---|
| 553 | } |
|---|
| 554 | |
|---|
| 555 | protected DataSet doParseDataSet(InputStream source, ProgressMonitor progressMonitor) throws IllegalDataException { |
|---|
| 556 | if (progressMonitor == null) { |
|---|
| 557 | progressMonitor = NullProgressMonitor.INSTANCE; |
|---|
| 558 | } |
|---|
| 559 | CheckParameterUtil.ensureParameterNotNull(source, "source"); |
|---|
| 560 | try { |
|---|
| 561 | progressMonitor.beginTask(tr("Prepare OSM data...", 2)); |
|---|
| 562 | progressMonitor.indeterminateSubTask(tr("Parsing OSM data...")); |
|---|
| 563 | |
|---|
| 564 | InputStreamReader ir = UTFInputStreamReader.create(source, "UTF-8"); |
|---|
| 565 | XMLStreamReader parser = XMLInputFactory.newInstance().createXMLStreamReader(ir); |
|---|
| 566 | setParser(parser); |
|---|
| 567 | parse(); |
|---|
| 568 | progressMonitor.worked(1); |
|---|
| 569 | |
|---|
| 570 | progressMonitor.indeterminateSubTask(tr("Preparing data set...")); |
|---|
| 571 | prepareDataSet(); |
|---|
| 572 | progressMonitor.worked(1); |
|---|
| 573 | |
|---|
| 574 | // iterate over registered postprocessors and give them each a chance |
|---|
| 575 | // to modify the dataset we have just loaded. |
|---|
| 576 | if (postprocessors != null) { |
|---|
| 577 | for (OsmServerReadPostprocessor pp : postprocessors) { |
|---|
| 578 | pp.postprocessDataSet(getDataSet(), progressMonitor); |
|---|
| 579 | } |
|---|
| 580 | } |
|---|
| 581 | return getDataSet(); |
|---|
| 582 | } catch(IllegalDataException e) { |
|---|
| 583 | throw e; |
|---|
| 584 | } catch(OsmParsingException e) { |
|---|
| 585 | throw new IllegalDataException(e.getMessage(), e); |
|---|
| 586 | } catch(XMLStreamException e) { |
|---|
| 587 | String msg = e.getMessage(); |
|---|
| 588 | Pattern p = Pattern.compile("Message: (.+)"); |
|---|
| 589 | Matcher m = p.matcher(msg); |
|---|
| 590 | if (m.find()) { |
|---|
| 591 | msg = m.group(1); |
|---|
| 592 | } |
|---|
| 593 | if (e.getLocation() != null) |
|---|
| 594 | throw new IllegalDataException(tr("Line {0} column {1}: ", e.getLocation().getLineNumber(), e.getLocation().getColumnNumber()) + msg, e); |
|---|
| 595 | else |
|---|
| 596 | throw new IllegalDataException(msg, e); |
|---|
| 597 | } catch(Exception e) { |
|---|
| 598 | throw new IllegalDataException(e); |
|---|
| 599 | } finally { |
|---|
| 600 | progressMonitor.finishTask(); |
|---|
| 601 | } |
|---|
| 602 | } |
|---|
| 603 | |
|---|
| 604 | /** |
|---|
| 605 | * Parse the given input source and return the dataset. |
|---|
| 606 | * |
|---|
| 607 | * @param source the source input stream. Must not be null. |
|---|
| 608 | * @param progressMonitor the progress monitor. If null, {@see NullProgressMonitor#INSTANCE} is assumed |
|---|
| 609 | * |
|---|
| 610 | * @return the dataset with the parsed data |
|---|
| 611 | * @throws IllegalDataException thrown if the an error was found while parsing the data from the source |
|---|
| 612 | * @throws IllegalArgumentException thrown if source is null |
|---|
| 613 | */ |
|---|
| 614 | public static DataSet parseDataSet(InputStream source, ProgressMonitor progressMonitor) throws IllegalDataException { |
|---|
| 615 | return new OsmReader().doParseDataSet(source, progressMonitor); |
|---|
| 616 | } |
|---|
| 617 | } |
|---|