Package org.hortonmachine.gears.utils

Class SldUtilities

java.lang.Object

org.hortonmachine.gears.utils.SldUtilities

public class SldUtilities
extends Object

Utilities to handle style.

Since:

0.7.0

Author:

Andrea Antonello (www.hydrologis.com)

Field Summary

Fields

Modifier and Type	Field	Description
static org.opengis.filter.FilterFactory	ff	The default FilterFactory to use.
static String	GENERIC_FEATURE_TYPENAME	The type name that can be used in an SLD in the featuretypestyle that matches all feature types.
static org.geotools.styling.StyleBuilder	sb	The default StyleBuilder to use.
static org.geotools.styling.StyleFactory	sf	The default StyleFactory to use.
static String	SLD_EXTENSION

Constructor Summary

Constructors

Constructor	Description
SldUtilities()

Method Summary

Modifier and Type	Method	Description
static Color	colorWithAlpha(Color color, int alpha)	Creates a color with the given alpha.
static Color	colorWithoutAlpha(Color color)	REmoves the alpha channel from a color.
static org.geotools.styling.Style	getDefaultStyle(org.geotools.styling.StyledLayerDescriptor sld)
static org.geotools.styling.Style	getGrassStyle(String path)
static File	getStyleFile(File dataFile)	Get the style file related to a given datafile.
static org.geotools.styling.Style	getStyleFromFile(File file)	Get the style from an sld file.
static org.geotools.styling.Style	getStyleFromRasterFile(File file)
static org.geotools.styling.Style	getStyleFromSldString(String sldString)
static String	styleToString(org.geotools.styling.Style style)	Converts a style to its string representation to be written to file.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

SLD_EXTENSION

public static final String SLD_EXTENSION

See Also:

Constant Field Values

sf

public static org.geotools.styling.StyleFactory sf

The default StyleFactory to use.

ff

public static org.opengis.filter.FilterFactory ff

The default FilterFactory to use.

sb

public static org.geotools.styling.StyleBuilder sb

The default StyleBuilder to use.

GENERIC_FEATURE_TYPENAME

public static final String GENERIC_FEATURE_TYPENAME

The type name that can be used in an SLD in the featuretypestyle that matches all feature types.

See Also:

Constant Field Values

Constructor Detail

SldUtilities

public SldUtilities()

Method Detail

getStyleFromFile

public static org.geotools.styling.Style getStyleFromFile(File file)

Get the style from an sld file.

Parameters:

file - the SLD file or a companion file.

Returns:

the Style object.

Throws:

IOException

getStyleFile

public static File getStyleFile(File dataFile)

Get the style file related to a given datafile.

Parameters:

dataFile - the file that should have the style file as sidecar file.

Returns:

the style file, if available.

getStyleFromSldString

public static org.geotools.styling.Style getStyleFromSldString(String sldString)
                                                        throws IOException

Throws:

IOException

getStyleFromRasterFile

public static org.geotools.styling.Style getStyleFromRasterFile(File file)
                                                         throws Exception

Throws:

Exception

getGrassStyle

public static org.geotools.styling.Style getGrassStyle(String path)
                                                throws Exception

Throws:

Exception

styleToString

public static String styleToString(org.geotools.styling.Style style)
                            throws Exception

Converts a style to its string representation to be written to file.

Parameters:

style - the style to convert.

Returns:

the style string.

Throws:

Exception

getDefaultStyle

public static org.geotools.styling.Style getDefaultStyle(org.geotools.styling.StyledLayerDescriptor sld)

colorWithoutAlpha

public static Color colorWithoutAlpha(Color color)

REmoves the alpha channel from a color.

Parameters:

color - the color.

Returns:

the color without alpha.

colorWithAlpha

public static Color colorWithAlpha(Color color,
                                   int alpha)

Creates a color with the given alpha.

Parameters:

color - the color to use.

alpha - an alpha value between 0 and 255.

Returns:

the color with alpha.