Examples of org.geotools.filter.FilterCapabilities

org.geotools.filter.FilterCapabilities
Represents the Filter capabilities that are supported by a SQLEncoder
Each SQLEncoder class should have one static FilterCapabilities, representing the filter encoding operations that it can successfully perform.
This class is used as one big mask to detect filters that cannot be performed @author Chris Holmes, TOPP @source $URL$ @deprecated use {@link org.opengis.filter.capability.FilterCapabilities}.

//            if (value.length != 2) {
//                throw new SAXException(
//                    "Either there is an extra child, or too few child elements");
//            }


            FilterCapabilities fc = new FilterCapabilities();


            if (elements[0].getName().equals(value[0].getElement().getName())) {


              fc.addAll((FilterCapabilities)value[0].getValue());


                if (value.length > 1) {
                  if (elements[1].getName().equals(value[1].getElement().getName())) {
                    fc.addAll((FilterCapabilities)value[1].getValue());
                  } else {
                      throw new SAXException("Unknown element"
                          + value[1].getElement().getName());
                  }
                }
            } else {
                if (elements[1].getName().equals(value[0].getElement().getName())) {
                  fc.addAll((FilterCapabilities)value[1].getValue());


                    if (value.length > 1) {
                      if (elements[0].getName().equals(value[1].getElement()
                                                                   .getName())) {
                        fc.addAll((FilterCapabilities)value[0].getValue());
                      } else {
                          throw new SAXException("Unknown element"
                              + value[1].getElement().getName());
                      }
                    }

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     * down into the data store.
     * 
     */
    @Override
    protected FilterCapabilities createFilterCapabilities() {
        FilterCapabilities capabilities = new FilterCapabilities();


        capabilities.addAll(FilterCapabilities.LOGICAL_OPENGIS);
        capabilities.addAll(FilterCapabilities.SIMPLE_COMPARISONS_OPENGIS);
        capabilities.addType(FilterCapabilities.SIMPLE_ARITHMETIC);
        capabilities.addType(PropertyIsNull.class);
        capabilities.addType(PropertyIsBetween.class);
        capabilities.addType(Id.class);
        capabilities.addType(IncludeFilter.class);
        capabilities.addType(ExcludeFilter.class);
        capabilities.addType(PropertyIsLike.class);


        return capabilities;
    }

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            if (value.length < 1) {
                throw new SAXException("Missing child value elements");
            }


            FilterCapabilities caps=new FilterCapabilities();


            for (int i = 0; i < value.length; i++) {
                if (elements[0].getName().equals(value[i].getElement().getName())) {
                    // logical ops
                  caps.addType(FilterCapabilities.LOGICAL);
                } else {
                    if (elements[1].getName().equals(value[i].getElement()
                                                                 .getName())) {
                        // comparison ops
                      caps.addAll((FilterCapabilities)value[i].getValue());
                    } else {
                        if (elements[2].getName().equals(value[i].getElement()
                                                                     .getName())) {
                            // arithmetic ops
                          caps.addAll((FilterCapabilities)value[i].getValue());
                        } else {
                            // error
                            throw new SAXException("Invalid child element: "
                                + value[i].getElement().getName());
                        }

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            if (value.length < 1) {
                throw new SAXException("Atleast one child element is required");
            }


            FilterCapabilities caps=new FilterCapabilities();


            for (int i = 0; i < value.length; i++) {
                caps.addAll( FilterCapabilities.findOperation(value[i].getElement()
                                                               .getName()) );
            }


            return caps;
        }

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         * @see org.geotools.xml.schema.Type#canEncode(org.geotools.xml.schema.Element,
         *      java.lang.Object, java.util.Map)
         */
        public boolean canEncode(Element element, Object value, Map hints) {
            if (hints != null && hints.containsKey(FilterSchema.FILTER_CAP_KEY)) {
                FilterCapabilities fc = (FilterCapabilities) hints.get(FilterSchema.FILTER_CAP_KEY);


                if (fc.getScalarOps() == FilterCapabilities.NO_OP) {
                    return false;
                }
            }


            return (element.getType() != null)

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         * @see org.geotools.xml.schema.Type#canEncode(org.geotools.xml.schema.Element,
         *      java.lang.Object, java.util.Map)
         */
        public boolean canEncode(Element element, Object value, Map hints) {
            if (hints != null && hints.containsKey(FilterSchema.FILTER_CAP_KEY)) {
                FilterCapabilities fc = (FilterCapabilities) hints.get(FilterSchema.FILTER_CAP_KEY);


                if ((fc.getScalarOps() & FilterCapabilities.SIMPLE_ARITHMETIC) != FilterCapabilities.SIMPLE_ARITHMETIC) {
                    return false;
                }
            }


            return (element.getType() != null)

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         * @see org.geotools.xml.schema.Type#canEncode(org.geotools.xml.schema.Element,
         *      java.lang.Object, java.util.Map)
         */
        public boolean canEncode(Element element, Object value, Map hints) {
            if (hints != null && hints.containsKey(FilterSchema.FILTER_CAP_KEY)) {
                FilterCapabilities fc = (FilterCapabilities) hints.get(FilterSchema.FILTER_CAP_KEY);


                if ((fc.getScalarOps() & FilterCapabilities.FUNCTIONS) != FilterCapabilities.FUNCTIONS) {
                    return false;
                }
            }


            return (element.getType() != null)

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