Examples of org.geotools.feature.AttributeTypeBuilder.buildDescriptor()

Class org.geotools.feature.AttributeTypeBuilder

Examples of org.geotools.feature.AttributeTypeBuilder.buildDescriptor()

org.geotools.feature.AttributeTypeBuilder.buildDescriptor()
Builds an attribute descriptor first building an attribute type from internal state.
If {@link #crs} has been set via {@link #setCRS(CoordinateReferenceSystem)}the internal attribute type will be built via {@link #buildGeometryType()}, otherwise it will be built via {@link #buildType()}.

This method calls through to {@link #buildDescriptor(String,AttributeType)}.
@param name The name of the descriptor. @see #buildDescriptor(String,AttributeType)

        b.setBinding( String.class );
        b.setName( "_id" );
        b.setNillable( false );
        b.setDefaultValue( null );
        b.setLength( 1024 );
        AttributeDescriptor a = b.buildDescriptor( "_id" );
        builder.add( a );


        // We could get this out of the table, exercise for the reader... TODO
        try
        {

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            log.warning( "Unknown geometry for layer " + layerName
                    + " (but has valid distinct geometry.type)" );
            return;
        }


        a = b.buildDescriptor( "geometry" );
        builder.add( a );


        // Add the 2 known keywords...
        keywords.add( "_id" );
        keywords.add( "geometry" );

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                b.setName( propName );
                b.setBinding( dbcol.getClass() );
                b.setNillable( true );
                b.setDefaultValue( null );
                b.setLength( 1024 );
                AttributeDescriptor a = b.buildDescriptor( propName );
                builder.add( a );


                // add attrs for nested JSON or Array objects
                if (dbcol instanceof BasicDBObject || dbcol instanceof BasicBSONList)
                {

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                if( descriptor instanceof GeometryDescriptor ){
                    GeometryDescriptor geometryDescriptor = (GeometryDescriptor) descriptor;
                    AttributeTypeBuilder adjust = new AttributeTypeBuilder( b.factory );
                    adjust.init( geometryDescriptor );
                    adjust.setCRS( crs );
                    b.add( adjust.buildDescriptor( geometryDescriptor.getLocalName() ));
                    continue;
                }
                b.add( descriptor);
            }            
            return b.buildFeatureType();

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            //add attributes in order
            for( AttributeDescriptor descriptor : original.getAttributeDescriptors() ){
                AttributeTypeBuilder ab = new AttributeTypeBuilder( b.factory );
                ab.init( descriptor );
                b.add( ab.buildDescriptor( descriptor.getLocalName() ));
            }            
            return b.buildFeatureType();
        }
}

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        ab.setName(name);
        if (computedCRS != null) {
            ab.setCRS(computedCRS);
        }


        return ab.buildDescriptor(name);
    }
    
    /**
     * Computes the output attribute descriptor for this {@link Definition} given only the original feature type. 
     * The code will attempt a static analysis on the original

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                // the geometry crs are not getting modified by the filter functions
                expression.accept(typeEvaluator, null);
                ab.setCRS(typeEvaluator.getCoordinateReferenceSystem());
            }


            return ab.buildDescriptor(name);
        } else {
            // in case no evaluation succeeds
            Class computedBinding = Object.class;


            // see if we are just passing a property trough

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                    throw new IllegalArgumentException(
                            "Original feature type does not have a property named " + name);
                } else {
                    ab.init(descriptor);
                    ab.setName(name);
                    return ab.buildDescriptor(name);
                }
            } else {
                // try static analysis
                computedBinding = (Class) expression.accept(typeEvaluator, null);
                if(computedBinding == null) {

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                ab.setName(name);
                if (computedCRS != null) {
                    ab.setCRS(computedCRS);
                }


                return ab.buildDescriptor(name);
            }
        }
    }


    private CoordinateReferenceSystem evaluateCRS(SimpleFeature originalFeature) {

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                        try {
                            if (srid != null) {
                                ab.setCRS(CRS.decode("EPSG:" + srid));
                                ab.setName(attribute.getName());
                                ab.setBinding(attribute.getType());
                                att = ab.buildDescriptor(attribute.getName(),
                                        ab.buildGeometryType());
                                if (attribute.isDefaultGeometry() != null
                                        && attribute.isDefaultGeometry()) {
                                    defaultGeometryName = attribute.getName();
                                }

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