com.xmlmind.fo.graphic
Class GraphicUtil

java.lang.Object
  com.xmlmind.fo.graphic.GraphicUtil

public final class GraphicUtil
extends Object

A collection of functions (static methods) useful to implement GraphicFactories.

Method Summary

static String	createTempFile(GraphicEnv graphicEnv, String suffix) Not for public use: needed to implement GraphicFactories.cs.
static String	extensionToFormat(File file) Equivalent to extensionToFormat(file.getPath()).
static String	extensionToFormat(String path) Returns the MIME type corresponding to the extension of the specified filename, when this extension is known.
static String	formatToExtension(String format) Returns the filename extension corresponding to specified MIME type.
static String	formatToSuffix(String format) Similar to formatToExtension(java.lang.String) except that it prepends "." to the filename extension and that it never returns null (the fallback suffix is ".img").
static void	saveGraphic(Graphic graphic, File outFile) Saves specified graphic to specified file.

Methods inherited from class java.lang.Object

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

Method Detail

extensionToFormat

public static String extensionToFormat(File file)

Equivalent to extensionToFormat(file.getPath()).

extensionToFormat

public static String extensionToFormat(String path)

Returns the MIME type corresponding to the extension of the specified filename, when this extension is known. Returns null otherwise.

For example, returns "image/jpeg" for "/tmp/foo.jpg".

formatToExtension

public static String formatToExtension(String format)

Returns the filename extension corresponding to specified MIME type. For example, returns: "jpg" for "image/jpeg" and "bar" for "application/x-bar+xml".

Parameters:

format - a MIME type

Returns:

a suitable filename extension or null if such extension cannot be determined.

formatToSuffix

public static String formatToSuffix(String format)

Similar to formatToExtension(java.lang.String) except that it prepends "." to the filename extension and that it never returns null (the fallback suffix is ".img").

saveGraphic

public static void saveGraphic(Graphic graphic,
                               File outFile)
                        throws IOException

Saves specified graphic to specified file.

This function supports graphics having a "data:" location.

Parameters:

graphic - graphic to be saved

outFile - save file

Throws:

IOException - if an I/O error occurs during the operation

See Also:

URLUtil.openStream(java.lang.String)

createTempFile

public static String createTempFile(GraphicEnv graphicEnv,
                                    String suffix)
                             throws Exception

Not for public use: needed to implement GraphicFactories.cs.

Throws:

Exception