org.apache.wookie.w3c.util
Class ContentTypeUtils

java.lang.Object
  org.apache.wookie.w3c.util.ContentTypeUtils

public class ContentTypeUtils
extends java.lang.Object

Utils for content type sniffing

Constructor Summary

ContentTypeUtils()

Method Summary

static boolean	isSupported(java.lang.String value, java.lang.String[] supportedValues) Checks to see if the supplied value is one of the supported values
static boolean	isSupportedImageType(java.io.File file) Checks to see if a file is a supported image type
static boolean	isSupportedImageType(java.io.InputStream inputStream) Checks to see if an inputstream contains a supported image type
static boolean	isSupportedImageType(java.lang.String filename) Checks to see if a filename is a supported image type based on its file extension
protected static java.lang.String	sniffContentType(java.io.File file) Sniffs the content type for images and other common types
protected static java.lang.String	sniffContentType(java.io.InputStream inputStream) Sniffs the content type for images and other common types

Methods inherited from class java.lang.Object

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

Constructor Detail

ContentTypeUtils

public ContentTypeUtils()

Method Detail

isSupportedImageType

public static boolean isSupportedImageType(java.lang.String filename)

Checks to see if a filename is a supported image type based on its file extension

Parameters:

filename - the filename to check

Returns:

true if the filename has an extension for a supported image type

isSupportedImageType

public static boolean isSupportedImageType(java.io.File file)

Checks to see if a file is a supported image type

Parameters:

file - the file to check

Returns:

true if the file is a supported image type

isSupportedImageType

public static boolean isSupportedImageType(java.io.InputStream inputStream)
                                    throws java.io.IOException

Checks to see if an inputstream contains a supported image type

Parameters:

inputStream -

Returns:

true if the file is a supported image type

Throws:

java.io.IOException

sniffContentType

protected static java.lang.String sniffContentType(java.io.File file)
                                            throws java.io.IOException

Sniffs the content type for images and other common types

Parameters:

file - the file to sniff

Returns:

the content type of the file if it matches a known signature, otherwise Null

Throws:

java.io.IOException

sniffContentType

protected static java.lang.String sniffContentType(java.io.InputStream inputStream)
                                            throws java.io.IOException

Sniffs the content type for images and other common types

Parameters:

inputStream - the inputStream to sniff

Returns:

the content type of the stream if it matches a known signature, otherwise Null

Throws:

java.io.IOException

isSupported

public static boolean isSupported(java.lang.String value,
                                  java.lang.String[] supportedValues)

Checks to see if the supplied value is one of the supported values

Parameters:

value -

supportedValues -

Returns:

true if the value is one of the supported values