Changeset 23904 in osm for applications/editors/josm/plugins/wmsplugin
- Timestamp:
- 2010-10-29T09:45:44+02:00 (14 years ago)
- Location:
- applications/editors/josm/plugins/wmsplugin/src/wmsplugin
- Files:
-
- 2 edited
Legend:
- Unmodified
- Added
- Removed
-
applications/editors/josm/plugins/wmsplugin/src/wmsplugin/AddWMSLayerPanel.java
r23454 r23904 59 59 60 60 public class AddWMSLayerPanel extends JPanel { 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 61 private List<LayerDetails> selectedLayers; 62 private URL serviceUrl; 63 private LayerDetails selectedLayer; 64 65 private JTextField menuName; 66 private JTextArea resultingLayerField; 67 private MutableTreeNode treeRootNode; 68 private DefaultTreeModel treeData; 69 private JTree layerTree; 70 private JButton showBoundsButton; 71 72 private boolean previouslyShownUnsupportedCrsError = false; 73 74 public AddWMSLayerPanel() { 75 JPanel wmsFetchPanel = new JPanel(new GridBagLayout()); 76 menuName = new JTextField(40); 77 menuName.setText(tr("Unnamed WMS Layer")); 78 final JTextArea serviceUrl = new JTextArea(3, 40); 79 serviceUrl.setLineWrap(true); 80 serviceUrl.setText("http://sample.com/wms?"); 81 wmsFetchPanel.add(new JLabel(tr("Menu Name")), GBC.std().insets(0,0,5,0)); 82 wmsFetchPanel.add(menuName, GBC.eop().insets(5,0,0,0).fill(GridBagConstraints.HORIZONTAL)); 83 wmsFetchPanel.add(new JLabel(tr("Service URL")), GBC.std().insets(0,0,5,0)); 84 JScrollPane scrollPane = new JScrollPane(serviceUrl, 85 JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED, 86 JScrollPane.HORIZONTAL_SCROLLBAR_NEVER); 87 wmsFetchPanel.add(scrollPane, GBC.eop().insets(5,0,0,0)); 88 JButton getLayersButton = new JButton(tr("Get Layers")); 89 getLayersButton.addActionListener(new ActionListener() { 90 public void actionPerformed(ActionEvent e) { 91 Cursor beforeCursor = getCursor(); 92 try { 93 setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR)); 94 attemptGetCapabilities(serviceUrl.getText()); 95 } finally { 96 setCursor(beforeCursor); 97 } 98 } 99 }); 100 wmsFetchPanel.add(getLayersButton, GBC.eop().anchor(GridBagConstraints.EAST)); 101 102 treeRootNode = new DefaultMutableTreeNode(); 103 treeData = new DefaultTreeModel(treeRootNode); 104 layerTree = new JTree(treeData); 105 layerTree.setCellRenderer(new LayerTreeCellRenderer()); 106 layerTree.addTreeSelectionListener(new TreeSelectionListener() { 107 108 public void valueChanged(TreeSelectionEvent e) { 109 TreePath[] selectionRows = layerTree.getSelectionPaths(); 110 if(selectionRows == null) { 111 showBoundsButton.setEnabled(false); 112 selectedLayer = null; 113 return; 114 } 115 116 selectedLayers = new LinkedList<LayerDetails>(); 117 for (TreePath i : selectionRows) { 118 Object userObject = ((DefaultMutableTreeNode) i.getLastPathComponent()).getUserObject(); 119 if(userObject instanceof LayerDetails) { 120 LayerDetails detail = (LayerDetails) userObject; 121 if(!detail.isSupported()) { 122 layerTree.removeSelectionPath(i); 123 if(!previouslyShownUnsupportedCrsError) { 124 JOptionPane.showMessageDialog(null, tr("That layer does not support any of JOSM's projections,\n" + 125 "so you can not use it. This message will not show again."), 126 tr("WMS Error"), JOptionPane.ERROR_MESSAGE); 127 previouslyShownUnsupportedCrsError = true; 128 } 129 } else if(detail.ident != null) { 130 selectedLayers.add(detail); 131 } 132 } 133 } 134 135 if (!selectedLayers.isEmpty()) { 136 resultingLayerField.setText(buildGetMapUrl()); 137 138 if(selectedLayers.size() == 1) { 139 showBoundsButton.setEnabled(true); 140 selectedLayer = selectedLayers.get(0); 141 } 142 } else { 143 showBoundsButton.setEnabled(false); 144 selectedLayer = null; 145 } 146 } 147 }); 148 wmsFetchPanel.add(new JScrollPane(layerTree), GBC.eop().insets(5,0,0,0).fill(GridBagConstraints.HORIZONTAL)); 149 150 JPanel layerManipulationButtons = new JPanel(); 151 showBoundsButton = new JButton(tr("Show Bounds")); 152 showBoundsButton.setEnabled(false); 153 showBoundsButton.addActionListener(new ActionListener() { 154 public void actionPerformed(ActionEvent e) { 155 if(selectedLayer.bounds != null) { 156 SlippyMapBBoxChooser mapPanel = new SlippyMapBBoxChooser(); 157 mapPanel.setBoundingBox(selectedLayer.bounds); 158 JOptionPane.showMessageDialog(null, mapPanel, tr("Show Bounds"), JOptionPane.PLAIN_MESSAGE); 159 } else { 160 JOptionPane.showMessageDialog(null, tr("No bounding box was found for this layer."), 161 tr("WMS Error"), JOptionPane.ERROR_MESSAGE); 162 } 163 } 164 }); 165 layerManipulationButtons.add(showBoundsButton); 166 167 wmsFetchPanel.add(layerManipulationButtons, GBC.eol().insets(0,0,5,0)); 168 wmsFetchPanel.add(new JLabel(tr("WMS URL")), GBC.std().insets(0,0,5,0)); 169 resultingLayerField = new JTextArea(3, 40); 170 resultingLayerField.setLineWrap(true); 171 wmsFetchPanel.add(new JScrollPane(resultingLayerField, JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED, JScrollPane.HORIZONTAL_SCROLLBAR_NEVER), GBC.eop().insets(5,0,0,0).fill(GridBagConstraints.HORIZONTAL)); 172 173 add(wmsFetchPanel); 174 } 175 176 private String buildRootUrl() { 177 StringBuilder a = new StringBuilder(serviceUrl.getProtocol()); 178 a.append("://"); 179 a.append(serviceUrl.getHost()); 180 if(serviceUrl.getPort() != -1) { 181 a.append(":"); 182 a.append(serviceUrl.getPort()); 183 } 184 a.append(serviceUrl.getPath()); 185 a.append("?"); 186 if(serviceUrl.getQuery() != null) { 187 a.append(serviceUrl.getQuery()); 188 if (!serviceUrl.getQuery().isEmpty() && !serviceUrl.getQuery().endsWith("&")) { 189 a.append("&"); 190 } 191 } 192 return a.toString(); 193 } 194 195 private String buildGetMapUrl() { 196 StringBuilder a = new StringBuilder(); 197 a.append(buildRootUrl()); 198 a.append("FORMAT=image/jpeg&VERSION=1.1.1&SERVICE=WMS&REQUEST=GetMap&Layers="); 199 a.append(commaSepLayerList()); 200 a.append("&"); 201 202 return a.toString(); 203 } 204 205 private String commaSepLayerList() { 206 StringBuilder b = new StringBuilder(); 207 208 Iterator<LayerDetails> iterator = selectedLayers.iterator(); 209 while (iterator.hasNext()) { 210 LayerDetails layerDetails = iterator.next(); 211 b.append(layerDetails.ident); 212 if(iterator.hasNext()) { 213 b.append(","); 214 } 215 } 216 217 return b.toString(); 218 } 219 220 private void showError(String incomingData, Exception e) { 221 JOptionPane.showMessageDialog(this, tr("Could not parse WMS layer list."), 222 tr("WMS Error"), JOptionPane.ERROR_MESSAGE); 223 System.err.println("Could not parse WMS layer list. Incoming data:"); 224 System.err.println(incomingData); 225 e.printStackTrace(); 226 } 227 228 private void attemptGetCapabilities(String serviceUrlStr) { 229 URL getCapabilitiesUrl = null; 230 try { 231 if (!serviceUrlStr.trim().contains("capabilities")) { 232 // If the url doesn't already have GetCapabilities, add it in 233 getCapabilitiesUrl = new URL(serviceUrlStr + "VERSION=1.1.1&SERVICE=WMS&REQUEST=GetCapabilities"); 234 } else { 235 // Otherwise assume it's a good URL and let the subsequent error 236 // handling systems deal with problems 237 getCapabilitiesUrl = new URL(serviceUrlStr); 238 } 239 serviceUrl = new URL(serviceUrlStr); 240 } catch (HeadlessException e) { 241 return; 242 } catch (MalformedURLException e) { 243 JOptionPane.showMessageDialog(this, tr("Invalid service URL."), 244 tr("WMS Error"), JOptionPane.ERROR_MESSAGE); 245 return; 246 } 247 248 String incomingData; 249 try { 250 URLConnection openConnection = getCapabilitiesUrl.openConnection(); 251 InputStream inputStream = openConnection.getInputStream(); 252 BufferedReader br = new BufferedReader(new InputStreamReader(inputStream)); 253 String line; 254 StringBuilder ba = new StringBuilder(); 255 while((line = br.readLine()) != null) { 256 ba.append(line); 257 ba.append("\n"); 258 } 259 incomingData = ba.toString(); 260 } catch (IOException e) { 261 JOptionPane.showMessageDialog(this, tr("Could not retrieve WMS layer list."), 262 tr("WMS Error"), JOptionPane.ERROR_MESSAGE); 263 return; 264 } 265 266 Document document; 267 try { 268 DocumentBuilderFactory builderFactory = DocumentBuilderFactory.newInstance(); 269 builderFactory.setValidating(false); 270 builderFactory.setNamespaceAware(true); 271 DocumentBuilder builder = builderFactory.newDocumentBuilder(); 272 builder.setEntityResolver(new EntityResolver() { 273 public InputSource resolveEntity(String publicId, String systemId) throws SAXException, IOException { 274 System.out.println("Ignoring DTD " + publicId + ", " + systemId); 275 return new InputSource(new StringReader("")); 276 } 277 }); 278 document = builder.parse(new InputSource(new StringReader(incomingData))); 279 } catch (ParserConfigurationException e) { 280 showError(incomingData, e); 281 return; 282 } catch (SAXException e) { 283 showError(incomingData, e); 284 return; 285 } catch (IOException e) { 286 showError(incomingData, e); 287 return; 288 } 289 290 // Some WMS service URLs specify a different base URL for their GetMap service 291 Element child = getChild(document.getDocumentElement(), "Capability"); 292 child = getChild(child, "Request"); 293 child = getChild(child, "GetMap"); 294 child = getChild(child, "DCPType"); 295 child = getChild(child, "HTTP"); 296 child = getChild(child, "Get"); 297 child = getChild(child, "OnlineResource"); 298 if (child != null) { 299 String baseURL = child.getAttribute("xlink:href"); 300 if(baseURL != null) { 301 try { 302 System.out.println("GetCapabilities specifies a different service URL: " + baseURL); 303 serviceUrl = new URL(baseURL); 304 } catch (MalformedURLException e1) { 305 } 306 } 307 } 308 309 try { 310 treeRootNode.setUserObject(getCapabilitiesUrl.getHost()); 311 Element capabilityElem = getChild(document.getDocumentElement(), "Capability"); 312 List<Element> children = getChildren(capabilityElem, "Layer"); 313 List<LayerDetails> layers = parseLayers(children, new HashSet<String>()); 314 updateTreeList(layers); 315 } catch(Exception e) { 316 showError(incomingData, e); 317 return; 318 } 319 } 320 321 private void updateTreeList(List<LayerDetails> layers) { 322 addLayersToTreeData(treeRootNode, layers); 323 layerTree.expandRow(0); 324 } 325 326 private void addLayersToTreeData(MutableTreeNode parent, List<LayerDetails> layers) { 327 for (LayerDetails layerDetails : layers) { 328 DefaultMutableTreeNode treeNode = new DefaultMutableTreeNode(layerDetails); 329 addLayersToTreeData(treeNode, layerDetails.children); 330 treeData.insertNodeInto(treeNode, parent, 0); 331 } 332 } 333 334 private List<LayerDetails> parseLayers(List<Element> children, Set<String> parentCrs) { 335 List<LayerDetails> details = new LinkedList<LayerDetails>(); 336 for (Element element : children) { 337 details.add(parseLayer(element, parentCrs)); 338 } 339 return details; 340 } 341 342 private LayerDetails parseLayer(Element element, Set<String> parentCrs) { 343 String name = getChildContent(element, "Title", null, null); 344 String ident = getChildContent(element, "Name", null, null); 345 346 // The set of supported CRS/SRS for this layer 347 Set<String> crsList = new HashSet<String>(); 348 // ...including this layer's already-parsed parent projections 349 crsList.addAll(parentCrs); 350 351 // Parse the CRS/SRS pulled out of this layer's XML element 352 // I think CRS and SRS are the same at this point 353 List<Element> crsChildren = getChildren(element, "CRS"); 354 crsChildren.addAll(getChildren(element, "SRS")); 355 for (Element child : crsChildren) { 356 String crs = (String) getContent(child); 357 if(crs != null) { 358 String upperCase = crs.trim().toUpperCase(); 359 crsList.add(upperCase); 360 } 361 } 362 363 // Check to see if any of the specified projections are supported by JOSM 364 boolean josmSupportsThisLayer = false; 365 for (String crs : crsList) { 366 josmSupportsThisLayer |= isProjSupported(crs); 367 } 368 369 Bounds bounds = null; 370 Element bboxElem = getChild(element, "EX_GeographicBoundingBox"); 371 if(bboxElem != null) { 372 // Attempt to use EX_GeographicBoundingBox for bounding box 373 double left = Double.parseDouble(getChildContent(bboxElem, "westBoundLongitude", null, null)); 374 double top = Double.parseDouble(getChildContent(bboxElem, "northBoundLatitude", null, null)); 375 double right = Double.parseDouble(getChildContent(bboxElem, "eastBoundLongitude", null, null)); 376 double bot = Double.parseDouble(getChildContent(bboxElem, "southBoundLatitude", null, null)); 377 bounds = new Bounds(bot, left, top, right); 378 } else { 379 // If that's not available, try LatLonBoundingBox 380 bboxElem = getChild(element, "LatLonBoundingBox"); 381 if(bboxElem != null) { 382 double left = Double.parseDouble(bboxElem.getAttribute("minx")); 383 double top = Double.parseDouble(bboxElem.getAttribute("maxy")); 384 double right = Double.parseDouble(bboxElem.getAttribute("maxx")); 385 double bot = Double.parseDouble(bboxElem.getAttribute("miny")); 386 bounds = new Bounds(bot, left, top, right); 387 } 388 } 389 390 List<Element> layerChildren = getChildren(element, "Layer"); 391 List<LayerDetails> childLayers = parseLayers(layerChildren, crsList); 392 393 return new LayerDetails(name, ident, crsList, josmSupportsThisLayer, bounds, childLayers); 394 } 395 396 private boolean isProjSupported(String crs) { 397 for (Projection proj : Projection.allProjections) { 398 if (proj instanceof ProjectionSubPrefs) { 399 if (((ProjectionSubPrefs) proj).getPreferencesFromCode(crs) == null) { 400 return true; 401 } 402 } else { 403 if (proj.toCode().equals(crs)) { 404 return true; 405 } 406 } 407 } 408 return false; 409 } 410 411 public String getUrlName() { 412 return menuName.getText(); 413 } 414 415 public String getUrl() { 416 return resultingLayerField.getText(); 417 } 418 419 public static void main(String[] args) { 420 JFrame f = new JFrame("Test"); 421 f.setContentPane(new AddWMSLayerPanel()); 422 f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 423 f.pack(); 424 f.setVisible(true); 425 } 426 427 private static String getChildContent(Element parent, String name, String missing, String empty) { 428 Element child = getChild(parent, name); 429 if (child == null) { 430 return missing; 431 } else { 432 String content = (String) getContent(child); 433 return (content != null) ? content : empty; 434 } 435 } 436 437 private static Object getContent(Element element) { 438 NodeList nl = element.getChildNodes(); 439 StringBuffer content = new StringBuffer(); 440 for (int i = 0; i < nl.getLength(); i++) { 441 Node node = nl.item(i); 442 switch (node.getNodeType()) { 443 case Node.ELEMENT_NODE: 444 return node; 445 case Node.CDATA_SECTION_NODE: 446 case Node.TEXT_NODE: 447 content.append(node.getNodeValue()); 448 break; 449 } 450 } 451 return content.toString().trim(); 452 } 453 454 private static List<Element> getChildren(Element parent, String name) { 455 List<Element> retVal = new LinkedList<Element>(); 456 for (Node child = parent.getFirstChild(); child != null; child = child.getNextSibling()) { 457 if (child instanceof Element && name.equals(child.getNodeName())) { 458 retVal.add((Element) child); 459 } 460 } 461 return retVal; 462 } 463 464 private static Element getChild(Element parent, String name) { 465 if (parent == null) { 466 return null; 467 } 468 for (Node child = parent.getFirstChild(); child != null; child = child.getNextSibling()) { 469 if (child instanceof Element && name.equals(child.getNodeName())) { 470 return (Element) child; 471 } 472 } 473 return null; 474 } 475 476 class LayerDetails { 477 478 private String name; 479 private String ident; 480 private List<LayerDetails> children; 481 private Bounds bounds; 482 private boolean supported; 483 484 public LayerDetails(String name, String ident, Set<String> crsList, 485 boolean supportedLayer, Bounds bounds, 486 List<LayerDetails> childLayers) { 487 this.name = name; 488 this.ident = ident; 489 this.supported = supportedLayer; 490 this.children = childLayers; 491 this.bounds = bounds; 492 } 493 494 public boolean isSupported() { 495 return this.supported; 496 } 497 498 @Override 499 public String toString() { 500 if(this.name == null || this.name.isEmpty()) { 501 return this.ident; 502 } else { 503 return this.name; 504 } 505 } 506 507 } 508 509 class LayerTreeCellRenderer extends DefaultTreeCellRenderer { 510 @Override 511 public Component getTreeCellRendererComponent(JTree tree, Object value, 512 boolean sel, boolean expanded, boolean leaf, int row, 513 boolean hasFocus) { 514 super.getTreeCellRendererComponent(tree, value, sel, expanded, leaf, 515 row, hasFocus); 516 DefaultMutableTreeNode treeNode = (DefaultMutableTreeNode) value; 517 Object userObject = treeNode.getUserObject(); 518 if (userObject instanceof LayerDetails) { 519 LayerDetails layer = (LayerDetails) userObject; 520 setEnabled(layer.isSupported()); 521 } 522 return this; 523 } 524 } 525 525 526 526 } -
applications/editors/josm/plugins/wmsplugin/src/wmsplugin/WMSLayerInfo.java
r23325 r23904 21 21 ArrayList<WMSInfo> layers = new ArrayList<WMSInfo>(); 22 22 ArrayList<WMSInfo> defaultLayers = new ArrayList<WMSInfo>(); 23 private final static String[] DEFAULT_LAYER_SITES = { 24 "http://svn.openstreetmap.org/applications/editors/josm/plugins/wmsplugin/sources.cfg"}; 23 private final static String[] DEFAULT_LAYER_SITES = { "http://josm.openstreetmap.de/maps"}; 25 24 26 25 public void load() {
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