edu.northwestern.at.utils.net.mime

Class MimeTypeMapper

java.lang.Object

edu.northwestern.at.utils.net.mime.MimeTypeMapper

All Implemented Interfaces:

java.net.FileNameMap

public class MimeTypeMapper
extends java.lang.Object
implements java.net.FileNameMap

Maps file extensions to mime types.

Field Summary

Fields

Modifier and Type	Field and Description
protected static java.lang.String[][]	mimeDefs Array of mappings between mime types and file extensions.
protected static java.util.Map<java.lang.String,java.lang.String>	mimeTypes Map between mime types and file extensions.

Constructor Summary

Constructors

Constructor and Description
MimeTypeMapper() Null args constructor.

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.String	getContentTypeFor(java.lang.String fileName) Returns MIME type for a filename.
static java.lang.String[]	getMatchingExtensions(java.lang.String mainMimeType) Returns list of extensions matching main MIME type.

Methods inherited from class java.lang.Object

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

Field Detail

mimeDefs

protected static final java.lang.String[][] mimeDefs

Array of mappings between mime types and file extensions.

The first entry is the mime type, the second is the corresponding extension. Some mime types are associated with more then one extension.

mimeTypes

protected static java.util.Map<java.lang.String,java.lang.String> mimeTypes

Map between mime types and file extensions.

Constructor Detail

MimeTypeMapper

public MimeTypeMapper()

Null args constructor.

Method Detail

getContentTypeFor

public java.lang.String getContentTypeFor(java.lang.String fileName)

Returns MIME type for a filename.

Specified by:

getContentTypeFor in interface java.net.FileNameMap

Parameters:

fileName - Name of file for which mime type is desired.

Returns:

The mime type, e.g., "text/plain".

When the file name's extension is not found in the mime types hash table, a mime type of "application/octet-stream" is returned.

getMatchingExtensions

public static java.lang.String[] getMatchingExtensions(java.lang.String mainMimeType)

Returns list of extensions matching main MIME type.

Parameters:

mainMimeType - The main mime type, e.g., "audio".

Returns:

The list of matching file extensions.