1 | // License: GPL. For details, see LICENSE file.
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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.util.LinkedList;
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8 | import java.util.List;
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9 |
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10 | import javax.xml.parsers.DocumentBuilderFactory;
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11 | import javax.xml.xpath.XPath;
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12 | import javax.xml.xpath.XPathConstants;
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13 | import javax.xml.xpath.XPathException;
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14 | import javax.xml.xpath.XPathFactory;
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15 |
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16 | import org.openstreetmap.josm.data.coor.LatLon;
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17 | import org.openstreetmap.josm.data.osm.DataSet;
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18 | import org.openstreetmap.josm.data.osm.UserInfo;
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19 | import org.openstreetmap.josm.gui.progress.ProgressMonitor;
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20 | import org.openstreetmap.josm.tools.DateUtils;
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21 | import org.w3c.dom.Document;
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22 | import org.w3c.dom.Node;
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23 | import org.w3c.dom.NodeList;
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24 |
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25 | public class OsmServerUserInfoReader extends OsmServerReader {
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26 |
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27 | static protected String getAttribute(Node node, String name) {
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28 | return node.getAttributes().getNamedItem(name).getNodeValue();
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29 | }
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30 |
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31 | static public UserInfo buildFromXML(Document document) throws OsmDataParsingException{
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32 | try {
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33 | XPathFactory factory = XPathFactory.newInstance();
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34 | XPath xpath = factory.newXPath();
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35 | UserInfo userInfo = new UserInfo();
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36 | Node xmlNode = (Node)xpath.compile("/osm/user[1]").evaluate(document, XPathConstants.NODE);
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37 | if ( xmlNode== null)
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38 | throw new OsmDataParsingException(tr("XML tag <user> is missing."));
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39 |
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40 | // -- id
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41 | String v = getAttribute(xmlNode, "id");
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42 | if (v == null)
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43 | throw new OsmDataParsingException(tr("Missing attribute ''{0}'' on XML tag ''{1}''.", "id", "user"));
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44 | try {
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45 | userInfo.setId(Integer.parseInt(v));
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46 | } catch(NumberFormatException e) {
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47 | throw new OsmDataParsingException(tr("Illegal value for attribute ''{0}'' on XML tag ''{1}''. Got {2}.", "id", "user", v));
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48 | }
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49 | // -- display name
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50 | v = getAttribute(xmlNode, "display_name");
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51 | userInfo.setDisplayName(v);
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52 | // -- account_created
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53 | v = getAttribute(xmlNode, "account_created");
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54 | if (v!=null) {
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55 | userInfo.setAccountCreated(DateUtils.fromString(v));
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56 | }
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57 | // -- description
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58 | xmlNode = (Node)xpath.compile("/osm/user[1]/description[1]/text()").evaluate(document, XPathConstants.NODE);
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59 | if (xmlNode != null) {
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60 | userInfo.setDescription(xmlNode.getNodeValue());
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61 | }
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62 | // -- home
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63 | xmlNode = (Node)xpath.compile("/osm/user[1]/home").evaluate(document, XPathConstants.NODE);
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64 | if (xmlNode != null) {
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65 | v = getAttribute(xmlNode, "lat");
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66 | if (v == null)
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67 | throw new OsmDataParsingException(tr("Missing attribute ''{0}'' on XML tag ''{1}''.", "lat", "home"));
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68 | double lat;
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69 | try {
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70 | lat = Double.parseDouble(v);
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71 | } catch(NumberFormatException e) {
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72 | throw new OsmDataParsingException(tr("Illegal value for attribute ''{0}'' on XML tag ''{1}''. Got {2}.", "lat", "home", v));
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73 | }
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74 |
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75 | v = getAttribute(xmlNode, "lon");
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76 | if (v == null)
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77 | throw new OsmDataParsingException(tr("Missing attribute ''{0}'' on XML tag ''{1}''.", "lon", "home"));
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78 | double lon;
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79 | try {
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80 | lon = Double.parseDouble(v);
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81 | } catch(NumberFormatException e) {
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82 | throw new OsmDataParsingException(tr("Illegal value for attribute ''{0}'' on XML tag ''{1}''. Got {2}.", "lon", "home", v));
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83 | }
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84 |
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85 | v = getAttribute(xmlNode, "zoom");
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86 | if (v == null)
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87 | throw new OsmDataParsingException(tr("Missing attribute ''{0}'' on XML tag ''{1}''.", "zoom", "home"));
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88 | int zoom;
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89 | try {
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90 | zoom = Integer.parseInt(v);
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91 | } catch(NumberFormatException e) {
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92 | throw new OsmDataParsingException(tr("Illegal value for attribute ''{0}'' on XML tag ''{1}''. Got {2}.", "zoom", "home", v));
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93 | }
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94 | userInfo.setHome(new LatLon(lat,lon));
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95 | userInfo.setHomeZoom(zoom);
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96 | }
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97 |
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98 | // -- language list
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99 | NodeList xmlNodeList = (NodeList)xpath.compile("/osm/user[1]/languages[1]/lang/text()").evaluate(document, XPathConstants.NODESET);
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100 | if (xmlNodeList != null) {
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101 | List<String> languages = new LinkedList<String>();
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102 | for (int i=0; i < xmlNodeList.getLength(); i++) {
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103 | languages.add(xmlNodeList.item(i).getNodeValue());
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104 | }
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105 | userInfo.setLanguages(languages);
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106 | }
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107 | return userInfo;
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108 | } catch(XPathException e) {
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109 | throw new OsmDataParsingException(e);
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110 | }
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111 | }
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112 |
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113 | public OsmServerUserInfoReader() {
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114 | setDoAuthenticate(true);
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115 | }
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116 |
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117 | @Override
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118 | public DataSet parseOsm(ProgressMonitor progressMonitor) throws OsmTransferException {
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119 | // not implemented
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120 | return null;
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121 | }
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122 |
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123 | public UserInfo fetchUserInfo(ProgressMonitor monitor) throws OsmTransferException {
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124 | try {
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125 | monitor.beginTask("");
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126 | monitor.indeterminateSubTask(tr("Reading user info ..."));
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127 | InputStream in = getInputStream("user/details", monitor.createSubTaskMonitor(1, true));
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128 | return buildFromXML(
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129 | DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(in)
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130 | );
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131 | } catch(OsmTransferException e) {
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132 | throw e;
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133 | } catch(Exception e) {
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134 | throw new OsmTransferException(e);
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135 | } finally {
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136 | monitor.finishTask();
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137 | }
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138 | }
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139 | }
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