Examples of org.geotools.feature.simple.SimpleFeatureTypeBuilder

org.geotools.feature.simple.SimpleFeatureTypeBuilder
e the builder SimpleTypeBuilder builder = new SimpleTypeBuilder(); //set global state builder.setName( "testType" ); builder.setNamespaceURI( "http://www.geotools.org/" ); builder.setSRS( "EPSG:4326" ); //add attributes builder.add( "intProperty", Integer.class ); builder.add( "stringProperty", String.class ); builder.add( "pointProperty", Point.class ); //add attribute setting per attribute state builder.minOccurs(0).maxOccurs(2).nillable(false).add("doubleProperty",Double.class); //build the type SimpleFeatureType featureType = builder.buildFeatureType();
This builder builds type by maintaining state. Two types of state are maintained: Global Type State and Per Attribute State. Methods which set global state are named set<property>(). Methods which set per attribute state are named <property>(). Furthermore calls to per attribute

Global state is reset after a call to {@link #buildFeatureType()}. Per attribute state is reset after a call to {@link #add}.

A default geometry for the feature type can be specified explictly via {@link #setDefaultGeometry(String)}. However if one is not set the first geometric attribute ( {@link GeometryType}) added will be resulting default. So if only specifying a single geometry for the type there is no need to call the method. However if specifying multiple geometries then it is good practice to specify the name of the default geometry type. For instance:
```
 builder.add( "pointProperty", Point.class ); builder.add( "lineProperty", LineString.class ); builder.add( "polygonProperty", Polygon.class ); builder.setDefaultGeometry( "lineProperty" ); 
```
@author Justin Deolivera @author Jody Garnett @source $URL$

            SimpleFeatureCollection fc = fs.getFeatures(data.getQuery());


            // TODO: remove from catalog/close layers if open?
            SimpleFeatureType schema = fs.getSchema();
            if (data.getName() != null) {
                SimpleFeatureTypeBuilder builder = new SimpleFeatureTypeBuilder();
                builder.init(schema);
                builder.setName(data.getName());
                schema = builder.buildFeatureType();
            }


            File file = determineDestinationFile(data);


            monitor.beginTask("", IProgressMonitor.UNKNOWN); //$NON-NLS-1$

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    }


    private SimpleFeatureType createFeatureType( SimpleFeatureType schema,
            Class< ? extends Geometry> geomBinding, CoordinateReferenceSystem crs )
            throws SchemaException {
        SimpleFeatureTypeBuilder builder = new SimpleFeatureTypeBuilder();
        builder.setName("type"); //$NON-NLS-1$


        try {
            crs.toWKT();
        } catch (UnformattableObjectException e) {
            // cannot create WKT for crs so that means that it is probably a hard coded CRS so
            // we will not use it.
            crs = null;
        }


        for( int i = 0; i < schema.getAttributeCount(); i++ ) {
            AttributeDescriptor attribute = schema.getDescriptor(i);
            if (!(attribute instanceof GeometryDescriptor)) {
                builder.add(attribute);
            } else {
                GeometryDescriptor geom = schema.getGeometryDescriptor();
                builder.crs(crs).defaultValue(null).restrictions(geom.getType().getRestrictions())
                        .nillable(geom.isNillable()).add(geom.getLocalName(), geomBinding);
            }
        }


        return builder.buildFeatureType();
    }

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    @SuppressWarnings("unchecked")
    @Test
    public void testSetGetFeatureDocInfos() {
        
        SimpleFeatureTypeBuilder fb = new SimpleFeatureTypeBuilder();
        fb.setName("feature");
        SimpleFeature feature1 = SimpleFeatureBuilder.build(fb.buildFeatureType(),
                Collections.EMPTY_LIST, "feature.1");
        
        final ShpDocPropertyParser parser = new ShpDocPropertyParser(url);
        
        List<DocumentInfo> inInfos = new ArrayList<DocumentInfo>();

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            String typename="New_Type_"; //$NON-NLS-1$
            List<String> typenames = Arrays.asList(ds.getTypeNames());
            while( typenames.contains(typename+i)){
                i++;
            }
            SimpleFeatureTypeBuilder build = new SimpleFeatureTypeBuilder();
            build.setName(typename+i);
            build.setNamespaceURI( "http://udig.refractions.net");
            build.setAbstract(false);
            build.add(Messages.NewServiceConnectionFactory_defaultGeom,com.vividsolutions.jts.geom.Geometry.class);
            
            SimpleFeatureType schema = build.buildFeatureType(); 
            
            ds.createSchema( schema ); //$NON-NLS-1$
        } catch (Exception e) {
            CatalogUIPlugin.log("Error creating MemoryDatastore or feature type", e); //$NON-NLS-1$
            return null;

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        }
    }
    
    private static SimpleFeatureType createOptimalSchema(String featureTypeName) throws SchemaException {
      SimpleFeatureTypeBuilder builder = new SimpleFeatureTypeBuilder();
      builder.setName(featureTypeName);
        builder.crs(DefaultGeographicCRS.WGS84).add("bounds", MultiPolygon.class);
        builder.length(128).nillable(true).add("description", String.class);
        builder.length(80).nillable(false).defaultValue("").add("extensionId", String.class);
        builder.length(80).nillable(true).add("groupId", String.class);
        builder.length(80).nillable(false).add("id", String.class);
        builder.length(1024).nillable(false).defaultValue("").add("memento", String.class);
        builder.length(20).nillable(true).add("priority", String.class);
        builder.length(20).nillable(true).add("resolution", String.class);
        builder.length(1024).nillable(true).add("viewMemento", String.class);
        return builder.buildFeatureType();
    }

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            /*
             * FIXME not sure if it is enough to recreate the featureType, or if
             * somewhere the reference to the old object is needed. 
             */
            SimpleFeatureTypeBuilder ftB = new SimpleFeatureTypeBuilder();
            ftB.setName(Messages.NewFeatureTypeOp_duplicateTypeName);
            ftB.init(defaultFeatureType);
            defaultFeatureType = ftB.buildFeatureType();
            return false;
        } catch (IOException e) {
            return true;
        }
    }

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         */
        String validate(SimpleFeatureType featureType);
    }


  public SimpleFeatureTypeBuilder getDefaultBuilder() {
      SimpleFeatureTypeBuilder ftB = new SimpleFeatureTypeBuilder();
      ftB.setName(defaultFeatureType.getName());
      ftB.init(defaultFeatureType);
    return  ftB;
  }

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                SimpleFeatureType ft = (SimpleFeatureType) viewer.getInput();
                if (e.character == SWT.ESC) {
                    nameText.setText(ft.getTypeName());
                } else 
                if (e.character == SWT.Selection) {
                    SimpleFeatureTypeBuilder ftB = new SimpleFeatureTypeBuilder();
                    ftB.init(ft);
                    ftB.setName(nameText.getText());
                    featureType = ftB.buildFeatureType();
                    viewer.setInput(featureType);
                } else {
                    errorDecorator.hide();
                }
            }

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                }
            }


            public void keyReleased( KeyEvent e ) {
                SimpleFeatureType ft = (SimpleFeatureType) viewer.getInput();
                SimpleFeatureTypeBuilder ftB = new SimpleFeatureTypeBuilder();
                ftB.init(ft);
                ftB.setName(nameText.getText());
                featureType = ftB.buildFeatureType();
                viewer.setInput(featureType);
            }

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                nameText.setSelection(0, end);
            }


            public void focusLost( FocusEvent e ) {
                SimpleFeatureType ft = (SimpleFeatureType) viewer.getInput();
                SimpleFeatureTypeBuilder ftB = new SimpleFeatureTypeBuilder();
                ftB.init(ft);
                ftB.setName(nameText.getText());
                featureType = ftB.buildFeatureType();
                viewer.setInput(featureType);
            }

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