Every MIME type, listed in one convenient table. Suffixes applicable, Media type and subtype(s).3dm, x-world/x-3dmf.3dmf, x-world/x-3dmf. MimeType – an actual MIME type holder – and tion. MimetypesFileTypeMap – class whose instance can resolve MIME type as String for a file. setDataHandler(new DataHandler(new ByteArrayDataSource(s, mimetype))); } catch At this point the datasource is actually a {@link ByteArrayDataSource}.

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Java Examples for javax.mail.util.ByteArrayDataSource

You can do it with just one line: Lu55 docs say that still uses the document miem. If you’re an Android developer, you can use a utility class android.

Siva Prasad Reddy 5, 5 45 First you can check for the mimeType and validate it. Pawan 11 I like to use standard facilities provided by JDK first, and if that doesn’t work, I’ll go and look for something else. Your awesome library handled it properly.

However, as suggested by the comment above, the built-in table of mime-types is quite limited, not including, for example, MSWord and PDF. If you are stuck with java then this utility class from servoy open source product. It probes the first bytes of the content and returns the content types based on that content and not by file extension.


FileTypeDetectorwhich defines a standard API for determining a file type in implementation byearraydatasource way. Vazgen Torosyan 6 This will work, but is IMO a bad practice as it ties your code to a specific OS and requires the external utility to be present at the system running it.

Then it will typee a really secure way to check for file validations. Jul 29 ’15 at It was windows 7 or 8 probably with oracle JRE for java 7.

ByteArrayDataSource (Java(TM) EE 7 Specification APIs)

It is, however, super simple to add any content type you may need:. The implementation in this class calls getContentType f.

Ofcourse its light too: In the real world, the one where you need TL,DR section, you should find the library with most stars next to it’s name and use it. To chip in with my 5 cents: Look the complete test code Java Cassio Seffrin 5 9.

Not at all, maybe they have an earlier version of JDK: It is better to use two layer validation for files upload. Joshua Fox 7, 9 50 Example entries for png and js files would be: It’s successfully working for me. With Apache Tika you need only three lines of code: This is a great solution!


JavaMail API documentation

Following code snippet may help you. Post as a guest Name. I have had a problem with software working on ubuntu but failing on windows.

That is why probeContentType method throws IOException, in case an implementation bbytearraydatasource this API uses Path provided to it to actually try to open the file associated with it.