Java Code Examples for org.opengis.feature.simple.SimpleFeature#getID()

@Override
public Iterator<SimpleFeature> apply(final SimpleFeature scene) {
  if (scene == null) {
    return Collections.emptyIterator();
  }
  final String entityId = scene.getID();
  final List<SimpleFeature> bands = new ArrayList<>();

  for (final String bandId : scene.getAttribute(
      SceneFeatureIterator.BANDS_ATTRIBUTE_NAME).toString().split(";")) {
    final SimpleFeature band = featureBuilder.buildFeature(entityId + "_" + bandId);

    for (final Property property : scene.getProperties()) {
      band.setAttribute(property.getName(), property.getValue());
    }
    band.setAttribute(BAND_ATTRIBUTE_NAME, bandId);

    bands.add(band);
  }
  return bands.iterator();
}
 

protected static File getDownloadFile(final SimpleFeature band, final String workspaceDirectory) {
  final int path = (int) band.getAttribute(SceneFeatureIterator.PATH_ATTRIBUTE_NAME);
  final int row = (int) band.getAttribute(SceneFeatureIterator.ROW_ATTRIBUTE_NAME);
  final String entity = (String) band.getAttribute(SceneFeatureIterator.ENTITY_ID_ATTRIBUTE_NAME);
  return new File(
      workspaceDirectory
          + File.separator
          + DOWNLOAD_DIRECTORY
          + File.separator
          + path
          + File.separator
          + row
          + File.separator
          + entity
          + File.separator
          + band.getID()
          + ".TIF");
}
 

private Feature toDto(SimpleFeature feature) {
	if (feature == null) {
		return null;
	}
	Feature dto = new Feature(feature.getID());

	HashMap<String, Attribute> attributes = new HashMap<String, Attribute>();

	for (AttributeDescriptor desc : feature.getType().getAttributeDescriptors()) {
		Object obj = feature.getAttribute(desc.getName());
		if (null != obj) {
			attributes.put(desc.getLocalName(), new StringAttribute(obj.toString()));
		}
	}
	dto.setAttributes(attributes);
	dto.setId(feature.getID());

	dto.setUpdatable(false);
	dto.setDeletable(false);
	return dto;

}
 

/**
 * Extract the numeric feature id from a feature.
 * 
 * @param feature the feature to check.
 * @return the id as long.
 */
public static long getFeatureId( SimpleFeature feature ) {
    String idStr = feature.getID();
    int lastIndexOf = idStr.lastIndexOf('.');
    String idNumStr = idStr.substring(lastIndexOf + 1);
    return Long.parseLong(idNumStr);
}
 

@Override
public ClusterItem convert(final ByteArray id, final Object o) {
  final SimpleFeature feature = (SimpleFeature) o;
  final Long count =
      (Long) feature.getAttribute(AnalyticFeature.ClusterFeatureAttribute.COUNT.attrName());

  return new ClusterItem(
      feature.getID(),
      projection.getProjection(feature),
      count == null ? 1 : count,
      false);
}
 

@Override
public String getFeatureId(final SimpleFeature original) {
  // We don't need to do much, we're not changing the ID
  return original.getID();
}
 

@Override
public Iterator<SimpleFeature> apply(final SimpleFeature scene) {
  if (scene == null) {
    return Collections.emptyIterator();
  }
  final String entityId = scene.getID();
  final int path = (int) scene.getAttribute(SceneFeatureIterator.PATH_ATTRIBUTE_NAME);
  final int row = (int) scene.getAttribute(SceneFeatureIterator.ROW_ATTRIBUTE_NAME);
  final List<SimpleFeature> bands = new ArrayList<>();
  final String indexHtml = getDownloadIndexHtml(entityId, path, row);
  List<String> htmlLines;
  int retry = 0;
  boolean success = false;
  while (!success && (retry < DOWNLOAD_RETRY)) {
    try {
      if (retry > 0) {
        // wait for a second
        Thread.sleep(1000L);
      }
      htmlLines = IOUtils.readLines(new URL(indexHtml).openStream());
      success = true;
      for (final String line : htmlLines) {
        // read everything before the tif
        int endIndex = line.indexOf(".TIF\"");
        if (endIndex > 0) {
          // read everything after the underscore
          int beginIndex = line.indexOf("_") + 1;
          final String bandId = line.substring(beginIndex, endIndex);
          endIndex = line.indexOf("MB)");
          double divisor = 1;
          if (endIndex < 0) {
            endIndex = line.indexOf("KB)");
            divisor = 1000;
          }
          if (endIndex < 0) {
            continue;
          }
          // rather than match on a specific string for the
          // beginning of the number, let's be flexible and
          // match on several preceding characters and then
          // strip out non-numerics
          beginIndex = endIndex - 6;

          String sizeStr = line.substring(beginIndex, endIndex);
          sizeStr = sizeStr.replaceAll("[^\\d.]", "");
          final double mb = Double.parseDouble(sizeStr) / divisor;
          for (final String attributeName : SceneFeatureIterator.SCENE_ATTRIBUTES) {
            featureBuilder.set(attributeName, scene.getAttribute(attributeName));
          }
          featureBuilder.set(SIZE_ATTRIBUTE_NAME, mb);
          featureBuilder.set(BAND_ATTRIBUTE_NAME, bandId);
          featureBuilder.set(
              BAND_DOWNLOAD_ATTRIBUTE_NAME,
              getDownloadImage(entityId, path, row, bandId));
          bands.add(featureBuilder.buildFeature(entityId + "_" + bandId));
        }
      }
    } catch (final IOException | InterruptedException e) {
      LOGGER.warn("Unable to read '" + indexHtml + "'; retry round " + ++retry, e);
    }
  }
  return bands.iterator();
}
 

@Override
public String getId(Object feature) throws LayerException {
	SimpleFeature featureAsFeature = asFeature(feature);
	return featureAsFeature.getID();
}
 

@Override
public String getId(Object feature) throws LayerException {
	SimpleFeature realFeature = asFeature(feature);
	return realFeature.getID();
}