Examples of org.geotools.util.NullProgressListener

org.geotools.util.NullProgressListener
A default progress listener implementation suitable for subclassing.
This implementation supports cancelation and getting/setting the description. The default implementations of the other methods do nothing.
@since 2.2 @source $URL$ @version $Id$

        if (started)
            throw new IllegalStateException("Process can only be run once");
        started = true;


        if (monitor == null)
            monitor = new NullProgressListener();
        try {
            monitor.started();
            monitor.setTask(Text.text("Grabbing arguments"));
            monitor.progress(10.0f);
            Object value = input.get(BufferFactory.GEOM1.key);

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        }


        try {
            System.out.print("Indexing ");


            int cnt = idx.index(true, new NullProgressListener());
            System.out.println();
            System.out.print(cnt + " features indexed ");
            System.out.println("in " + (System.currentTimeMillis() - start)
                    + "ms.");
            System.out.println();

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                ShapefileDataStoreFactory.LOGGER.fine("Creating spatial index for "
                        + shpFiles.get(SHP));


                ShapeFileIndexer indexer = new ShapeFileIndexer();
                indexer.setShapeFileName(shpFiles);
                indexer.index(false, new NullProgressListener());


                return true;
            }
        } catch (Throwable t) {
            ShapefileDataStoreFactory.LOGGER.log(Level.SEVERE, t.getLocalizedMessage(), t);

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    final DefaultCoverageResponseImpl response = new DefaultCoverageResponseImpl();
    response.setRequest(request);


    if (listener == null)
      listener = new NullProgressListener();
    listener.started();
    try {
      access.read(new GeoTiffAccess.Read<CoverageResponse>() {
        public CoverageResponse run(GeoTiffReader reader,
            GeoTiffAccess access) throws IOException {

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        }


        EnumMap<AggregationFunction, Number> results = new EnumMap<AggregationFunction, Number>(AggregationFunction.class);
        if (singlePass) {
            AggregateFeatureCalc calc = new AggregateFeatureCalc(visitors);
            features.accepts(calc, new NullProgressListener());
            List<CalcResult> resultList = (List<CalcResult>) calc.getResult().getValue();
            for (int i = 0; i < functionList.size(); i++) {
                CalcResult result = resultList.get(i);
                if(result != null) {
                    results.put(functionList.get(i), (Number) result.getValue());
                }
            }
        } else {
            for (int i = 0; i < functionList.size(); i++) {
                final FeatureCalc calc = visitors.get(i);
                features.accepts(calc, new NullProgressListener());
                results.put(functionList.get(i), (Number) calc.getResult().getValue());
            }
        }


        return new Results(results);

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     */
    public void accepts( Query query, org.opengis.feature.FeatureVisitor visitor,
            org.opengis.util.ProgressListener progress) throws IOException {
        
        if( progress == null ) {
            progress = new NullProgressListener();
        }
        


        if ( handleVisitor(query,visitor) ) {
            //all good, subclass handled

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                "singlePass", true);
        
        NameImpl name = new NameImpl("vec","Aggregate");
        Process process = Processors.createProcess( name );
        assertNotNull("aggregateProcess not found", process);
        NullProgressListener monitor = new NullProgressListener();
        Map<String, Object> output = process.execute(input, monitor );
        
        Results result = (Results) output.get("result");
        assertTrue( result.sum > 0 );
    }

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    public static void visit(FeatureCollection<?, ?> collection, FeatureVisitor visitor,
            ProgressListener progress) throws IOException {
        FeatureIterator<?> iterator = null;
        float size = progress != null ? collection.size() : 0;
        if (progress == null) {
            progress = new NullProgressListener();
        }
        try {
            float position = 0;
            progress.started();
            iterator = collection.features();

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      final boolean canCreate)
      throws IOException {
    super(driver);


    if (listener == null)
      listener = new NullProgressListener();


    // url lookup
    if (source == null) {
      if (params.containsKey(URL.key)) {
        source = (URL) params.get(URL.key);

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  public CoverageSource access(Name name, Map<String, Serializable> params,
      AccessType accessType, Hints hints, ProgressListener listener)
      throws IOException {
    if (listener == null)
      listener = new NullProgressListener();
    listener.started();
    try {
      if (!allowedAccessTypes.contains(accessType))
        throw new IllegalAccessError("Illegal access type requested");
      if (!this.coverageInfo.containsKey(name)) {

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