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 $URL$

                if (ft.getDescriptor(index) == editElement)
                    break;
            }
            if (index == ft.getAttributeCount())
                return;
            SimpleFeatureTypeBuilder builder = builderFromFeatureType(ft);
            builder.remove(ft.getDescriptor(index).getLocalName());
            builder.add(index, newAttr);
            featureType = builder.buildFeatureType();
            viewer.setInput(featureType);
        }

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        }
    }


  private AttributeDescriptor getAttributeDescriptor(int index) {
        TreeViewer testingGetViewer = editor.testingGetViewer();
    SimpleFeatureTypeBuilder newFeatureTypeBuilder = (SimpleFeatureTypeBuilder) testingGetViewer.getInput();
        SimpleFeatureType type = newFeatureTypeBuilder.buildFeatureType();
        AttributeDescriptor attributeType = type.getDescriptor(index);
    return attributeType;
  }

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    @Ignore
    @Test
    public void testSetFeatureType() throws Exception {
        editor.setFeatureType(null);


        SimpleFeatureTypeBuilder builder = (SimpleFeatureTypeBuilder) editor.testingGetViewer().getInput();
        assertEquals(2, builder.buildFeatureType().getAttributeCount());
        assertEquals(Messages.FeatureTypeEditor_newFeatureTypeName, builder.getName()); 
        assertEquals(String.class, getAttributeDescriptor(0).getType().getBinding());
        assertEquals(Messages.FeatureTypeEditor_defaultNameAttributeName, getAttributeDescriptor(0).getName()); 
        assertEquals(LineString.class, getAttributeDescriptor(1).getType().getBinding());
        assertEquals(Messages.FeatureTypeEditor_defaultGeometryName, getAttributeDescriptor(1).getName()); 
        assertEquals(Messages.FeatureTypeEditor_newFeatureTypeName, editor.testingGetNameText().getText() );

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        TreeViewer viewer = editor.testingGetViewer();
        viewer.setSelection(new StructuredSelection(featureType.getDescriptor(0)));
        action.runWithEvent(new Event());


        SimpleFeatureTypeBuilder builder = (SimpleFeatureTypeBuilder) editor.testingGetViewer().getInput();
        assertEquals(1, builder.buildFeatureType().getAttributeCount());
        assertEquals(String.class, builder.buildFeatureType().getDescriptor(0).getType().getBinding());
        assertEquals("name", builder.buildFeatureType().getDescriptor(0).getName()); //$NON-NLS-1$


        IAction create = editor.getCreateAttributeAction();
        create.runWithEvent(new Event());
        create.runWithEvent(new Event());


        assertEquals(3, builder.buildFeatureType().getAttributeCount());


        List<AttributeDescriptor> attrs = new ArrayList<AttributeDescriptor>(2);
        attrs.add(builder.buildFeatureType().getDescriptor(1));
        attrs.add(builder.buildFeatureType().getDescriptor(2));
        viewer.setSelection(new StructuredSelection(attrs));


        action.runWithEvent(new Event());


        assertEquals(1, builder.buildFeatureType().getAttributeCount());
        assertEquals(String.class, builder.buildFeatureType().getDescriptor(0).getType().getBinding());
        assertEquals("name", builder.buildFeatureType().getDescriptor(0).getName()); //$NON-NLS-1$


    }

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    }
    
    @Ignore
    @Test
    public void testCreateLabel() throws Exception {
        SimpleFeatureTypeBuilder builder = (SimpleFeatureTypeBuilder) editor.testingGetViewer().getInput();
        
        Text text=editor.testingGetNameText();
        text.setText("newName"); //$NON-NLS-1$
        Event event = new Event();
        event.character=SWT.Selection;
        text.notifyListeners(SWT.KeyDown, event);


        assertEquals("newName", builder.getName()); //$NON-NLS-1$
        
        text.setText("newName"); //$NON-NLS-1$
        event = new Event();
        event.character=SWT.ESC;
        text.notifyListeners(SWT.KeyDown, event);
        
        assertEquals("newName", builder.getName()); //$NON-NLS-1$
        
        text.setSelection(0,0);
        event = new Event();
        text.notifyListeners(SWT.FocusIn, event);
        assertEquals(new Point(0,text.getText().length()), text.getSelection());

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      attributeValue = new String[1];
    }
    if (crs == null) {
        crs = DefaultGeographicCRS.WGS84;
    }
    SimpleFeatureTypeBuilder builder = new SimpleFeatureTypeBuilder();
    builder.setName("test");
    builder.crs(crs).add("geom", Geometry.class);
    builder.setCRS(crs);
    builder.add("name", String.class);
    SimpleFeatureType ft = builder.buildFeatureType();
    int size = Math.max(geom.length, attributeValue.length);
    SimpleFeature[] features = new SimpleFeature[size];
    for (int i = 0; i < size; i++) {
      Geometry geometry;
      if (i >= geom.length)

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                ds.updateSchema(localPart, featureType);
            } catch (Exception e) {
                // some datastores do not support schema update, try a name change
                // create the feature type
                String name = checkSameName(typeNamesList, localPart);
                SimpleFeatureTypeBuilder b = new SimpleFeatureTypeBuilder();
                b.setName(name);
                b.setCRS(featureType.getCoordinateReferenceSystem());
                List<AttributeDescriptor> attributeDescriptors = featureType.getAttributeDescriptors();
                b.addAll(attributeDescriptors);
                featureType = b.buildFeatureType();
                ds.createSchema(featureType);
            }
        } else {
            ds.createSchema(featureType);
        }

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        FilterFactory fac=CommonFactoryFinder.getFilterFactory(GeoTools.getDefaultHints());
        
        String attributeName = "string";
        PropertyIsEqualTo filter = fac.equals(fac.property(attributeName), fac.literal("Value"));
        
        SimpleFeatureTypeBuilder builder=new SimpleFeatureTypeBuilder();
        builder.setName("test");
        builder.restriction(filter).add(attributeName, String.class);
        
        SimpleFeatureType featureType = builder.buildFeatureType();
        
        AttributeValidator validator=new AttributeValidator(featureType.getDescriptor(attributeName), featureType);
        
        String valid = validator.isValid("Value");
        assertNull( "Valid", valid );
        
        assertNotNull( "Should not allow 'IllegalValue'", validator.isValid("IllegalValue") );
        
        assertNotNull( "Should not allow 3", validator.isValid(3) );
        
        builder.length(5).nillable(true).add(attributeName,String.class);
        featureType = builder.buildFeatureType();


        validator=new AttributeValidator(featureType.getDescriptor(attributeName), featureType);
        
        assertNull( validator.isValid("name") );
        assertNotNull( validator.isValid("IllegalValue") );

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     * 
     * @param parent the composite that will be used as the TreeViewer's parent.
     * @param layoutData the layout data to use to layout the editor. If null GridData(Fill_Both)
     */
    public void createTable( Composite parent, Object layoutData, SimpleFeatureType type ) {
      SimpleFeatureTypeBuilder builder = new SimpleFeatureTypeBuilder();
      builder.setName(type.getName());
        builder.init(type);
        createTable(parent, layoutData, builder.buildFeatureType(), true);
    }

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    private DialogCellEditor createCRSEditor( Tree tree ) {
        return new CRSDialogCellEditor(tree);
    }
    
    public SimpleFeatureTypeBuilder builderFromFeatureType( SimpleFeatureType ft ) {
        SimpleFeatureTypeBuilder ftB;
        ftB = new SimpleFeatureTypeBuilder();
        ftB.init(ft);
        ftB.setName(ft.getName());
        return ftB;
    }

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