@Test public void testAsDouble() { assertEquals(1.0, Filters.asInt(ff.literal(1)), DELTA); assertEquals(1, Filters.asInt(ff.literal("1")), DELTA); }
public static double asDouble(Expression expr) { if( expr == null ) { return Double.NaN; } try { Double number = expr.evaluate(null, Double.class ); if( number == null ) { return Double.NaN; } return number.doubleValue(); } catch( NullPointerException npe){ return Double.NaN; } }
Filters { public static double asDouble(Expression expr) { if( expr == null ) { return Double.NaN; } try { Double number = expr.evaluate(null, Double.class ); if( number == null ) { return Double.NaN; } return number.doubleValue(); } catch( NullPointerException npe){ return Double.NaN; } } }
Filters { public static double asDouble(Expression expr) { if( expr == null ) { return Double.NaN; } try { Double number = expr.evaluate(null, Double.class ); if( number == null ) { return Double.NaN; } return number.doubleValue(); } catch( NullPointerException npe){ return Double.NaN; } } Filters();  Filters(org.opengis.filter.FilterFactory2 factory); }
Filters { public static double asDouble(Expression expr) { if( expr == null ) { return Double.NaN; } try { Double number = expr.evaluate(null, Double.class ); if( number == null ) { return Double.NaN; } return number.doubleValue(); } catch( NullPointerException npe){ return Double.NaN; } } Filters();  Filters(org.opengis.filter.FilterFactory2 factory); void setFilterFactory(org.opengis.filter.FilterFactory2 factory); static Filter and( org.opengis.filter.FilterFactory ff, Filter filter1, Filter filter2 ); static Filter or( org.opengis.filter.FilterFactory ff, Filter filter1, Filter filter2 ); static void accept( org.opengis.filter.Filter filter, FilterVisitor visitor ); Filter duplicate( Filter filter ); static short getFilterType( org.opengis.filter.Filter filter ); static int asInt( Expression expr ); static String asString(Expression expr); static double asDouble(Expression expr); static T asType(Expression expr, Class<T> TYPE); static double number(Object value); static T gets(String text, Class<T> TYPE); static String puts(double number); static String puts(Object obj); static String puts(Color color); Filter remove(Filter baseFilter, Filter targetFilter); static Filter removeFilter( Filter baseFilter, Filter targetFilter ); Filter remove(Filter baseFilter, final Filter targetFilter, boolean recurse); static Filter removeFilter(Filter baseFilter, Filter targetFilter, boolean recurse); Set<String> attributeNames( Filter filter ); static String[] attributeNames(Filter filter, final SimpleFeatureType featureType); static Set<PropertyName> propertyNames(Filter filter, final SimpleFeatureType featureType); static Set<PropertyName> propertyNames(Filter filter); static Set<PropertyName> propertyNames(Expression expression,
            final SimpleFeatureType featureType); static Set<PropertyName> propertyNames(Expression expression); static boolean hasChildren( Filter filter ); static ArrayList<Filter> children( Filter filter ); static ArrayList<Filter> children( Filter filter, boolean all ); static T search(Filter filter, Class<T> filterType, String propertyName ); static String findPropertyName(Filter filter); }
Filters { public static double asDouble(Expression expr) { if( expr == null ) { return Double.NaN; } try { Double number = expr.evaluate(null, Double.class ); if( number == null ) { return Double.NaN; } return number.doubleValue(); } catch( NullPointerException npe){ return Double.NaN; } } Filters();  Filters(org.opengis.filter.FilterFactory2 factory); void setFilterFactory(org.opengis.filter.FilterFactory2 factory); static Filter and( org.opengis.filter.FilterFactory ff, Filter filter1, Filter filter2 ); static Filter or( org.opengis.filter.FilterFactory ff, Filter filter1, Filter filter2 ); static void accept( org.opengis.filter.Filter filter, FilterVisitor visitor ); Filter duplicate( Filter filter ); static short getFilterType( org.opengis.filter.Filter filter ); static int asInt( Expression expr ); static String asString(Expression expr); static double asDouble(Expression expr); static T asType(Expression expr, Class<T> TYPE); static double number(Object value); static T gets(String text, Class<T> TYPE); static String puts(double number); static String puts(Object obj); static String puts(Color color); Filter remove(Filter baseFilter, Filter targetFilter); static Filter removeFilter( Filter baseFilter, Filter targetFilter ); Filter remove(Filter baseFilter, final Filter targetFilter, boolean recurse); static Filter removeFilter(Filter baseFilter, Filter targetFilter, boolean recurse); Set<String> attributeNames( Filter filter ); static String[] attributeNames(Filter filter, final SimpleFeatureType featureType); static Set<PropertyName> propertyNames(Filter filter, final SimpleFeatureType featureType); static Set<PropertyName> propertyNames(Filter filter); static Set<PropertyName> propertyNames(Expression expression,
            final SimpleFeatureType featureType); static Set<PropertyName> propertyNames(Expression expression); static boolean hasChildren( Filter filter ); static ArrayList<Filter> children( Filter filter ); static ArrayList<Filter> children( Filter filter, boolean all ); static T search(Filter filter, Class<T> filterType, String propertyName ); static String findPropertyName(Filter filter); static final int NOTFOUND; }