Examples of org.locationtech.udig.catalog.ID

org.locationtech.udig.catalog.ID
Identifier used to lookup entries in an local IRespository or remote ISearch.
While an identifier is often defined by URL or URI this class has constructors to help remove any possibility ambiguity. These objects are considered immutable and are very careful to have a fast hashCode function etc...
@author Jody Garnett @since 1.2


public class ShpPropertiesInterceptor implements ServiceInterceptor {


    public void run(IService service){
        if( service instanceof ShpServiceImpl){
            ID id = service.getID();
            File directory = id.toFile().getParentFile();
            File infoFile = new File( directory, id.toBaseFile()+".properties" );
            if( infoFile.exists() ){
               try { 
                   FileReader infoReader = new FileReader( infoFile );
                 Properties info = new Properties();
                 info.load( infoReader );

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  static URL toCapabilitiesURL( Object data ) {
       if( data instanceof IResolve ){
           return toCapabilitiesURL( (IResolve) data );
       }
       else if( ID.cast(data) != null ){
           ID id = ID.cast( data );
           if( id.toURL() != null ){
               return toCapabilitiesURL( id.toURL() );
           }
       }
       return null; // no idea what this should be       
   }

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    public URL getIdentifier() {
        return identifier;
    }
    public ID getID() {
        return new ID(getIdentifier());        
    }

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        if( !isSupportedExtension(url) )
            return Messages.GeoTiffServiceExtension_badExt;
        
        File file = null;
        try {
            ID id = new ID( url );
            file = id.toFile();
        } catch (IllegalArgumentException ex) {
            return url.toExternalForm()+Messages.GeoTiffServiceExtension_notFile;
        }
        
        if (!file.exists() )

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          ICatalog localCatalog = CatalogPlugin.getDefault().getLocalCatalog();


            LayerFactory layerFactory = map.getLayerFactory();
            URL resourceID = new URL(null, "mapgraphic://localhost/mapgraphic#org.locationtech.udig.tutorial.mapgraphic.Whitebox", CorePlugin.RELAXED_HANDLER); //$NON-NLS-1$
            ID id = new ID(resourceID);
            IGeoResource resource = localCatalog.getById(IGeoResource.class, id, new NullProgressMonitor());
            Layer whiteboxLayer = layerFactory.createLayer(resource);
            
            whiteboxLayer.getStyleBlackboard().put(LocationStyleContent.ID, location);
            return whiteboxLayer;

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            String prov = (String)selectedFarmFeature.getAttribute(0);
            String id = (String)selectedFarmFeature.getAttribute(1);
            
            //put layer info on the mapgraphic's style blackboard
            URL detailsResId = new URL(null, "mapgraphic://localhost/mapgraphic#org.locationtech.udig.tutorial.mapgraphic.TitleArea", CorePlugin.RELAXED_HANDLER);
            IGeoResource detailsRes = localCatalog.getById(IGeoResource.class, new ID(detailsResId), new NullProgressMonitor());
             
            Layer titleAreaLayer = layerFactory.createLayer(detailsRes);
            titleAreaLayer.getStyleBlackboard().put(LocationStyleContent.ID, location);
            XMLMemento selectedFeatureMemento = XMLMemento.createWriteRoot("style");
            selectedFeatureMemento.putString(FEATURE_ID_KEY, id);

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    private ID id;


    public FeatureSourceGeoResource( DataStoreService service, Name name ) {
        this.service = service;
        this.name = name;
        this.id = new ID(service.getID(), name.getLocalPart());
    }

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    private void makeGraphVisible( IMap map ) throws IOException {
        ILayer graphLayer = null;
        ILayer pathLayer = null;
        
        ID GRAPH_ID = new ID(new URL( null, GraphMapGraphic.ID, CorePlugin.RELAXED_HANDLER ));            
        ID PATH_ID =  new ID(new URL( null, PathMapGraphic.ID, CorePlugin.RELAXED_HANDLER ));            
         
        for( ILayer look : map.getMapLayers() ){
            URL id = look.getGeoResource().getIdentifier();
            if(GRAPH_ID.equals(id) ){
                graphLayer = look;
                break;
            }
        }
        if( graphLayer == null ){            
            ICatalog catalog = CatalogPlugin.getDefault().getLocalCatalog();
            IGeoResource resource = catalog.getById(IGeoResource.class, GRAPH_ID, new NullProgressMonitor() );
            if( resource == null ){
                return; // not available?
            }
            List<IGeoResource> resourceList = Collections.singletonList( resource );            
            List< ? extends ILayer> added = ApplicationGIS.addLayersToMap(map, resourceList, 0 );
            if( added.isEmpty() ){
                return; // not available?
            }
            graphLayer = (ILayer) added.get(0);            
        }
        if( !graphLayer.isVisible() ){
            map.sendCommandASync( new SetLayerVisibilityCommand(graphLayer, true) );
        }
        
        for( ILayer look : map.getMapLayers() ){
            URL id = look.getGeoResource().getIdentifier();
            if(PATH_ID.equals(id) ){
                pathLayer = look;
                break;
            }
        }
        if( pathLayer == null ){

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        if (layer == null) {
            throw new IOException(
                    "Unable to create layer from resource '" + resource.getIdentifier() + "'"); //$NON-NLS-1$ //$NON-NLS-2$
        }


        ID resourceID = resource.getID();
        layer.setResourceID(resourceID);


        // process the style content extension point to initially populate
        // the style blackboard with style info
        // TODO: the style objects need access to preference system
        final Layer theLayer = layer;


        ICatalog localCatalog = local;
        ID layerResourceID = layer.getResourceID();
        IProgressMonitor monitor = ProgressManager.instance().get();
        List<IResolve> resolves = localCatalog.find(layerResourceID, monitor);
        if (resolves.isEmpty()) {
            // Identifier lookup is being inconsistent; this often happens when code trips up over
            // converting URLs to and from Files

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    public JGrassService( Map<String, Serializable> params ) {
        this.params = params;


        // get the file url from the connection parameters
        url = (URL) this.params.get(JGrassServiceExtension.KEY);
        id = new ID(url);


        locationFolderFile = URLUtils.urlToFile(url);
        if (!locationFolderFile.isDirectory()) {
            throw new IllegalArgumentException("The GRASS location has to be a folder: " + locationFolderFile.getAbsolutePath());
        }

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org.locationtech.udig.catalog.geotools.data.DataStoreServiceExtension

org.locationtech.udig.catalog.geotools.data.FeatureSourceGeoResource

org.locationtech.udig.catalog.geotools.data.GeoToolsDataStoreServiceTest

org.locationtech.udig.catalog.geotools.process.LocalProcess

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