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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This is the simplest way I found for doing this: One bad thing mimd Tika, lots of dependency bloat. It was not my system so I didn’t check the JRE or windows version.

Don’t get me wrong; it’s bytearrayddatasource fully valid solution, but breaks portability – which is one of the main reasons to use Java in the first place I don’t know if I’m just doing something horribly wrong, but that seems rather terrible. After trying various other libraries I settled with mime-util. Create file named ‘mime. All had extension renamed. It probes the first bytes of the content and returns the content types based on mme content and not by file extension. To chip in with my 5 cents: The API definition provides for facilities that support either for determining file mime type from file name or from file content magic bytes.

The first gave me memory exceptions, the second doesn’t close its streams off properly. Then it will be a really secure way to check for file validations. 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.


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It is, however, super simple to add any content type you may need:. Siva Prasad Reddy 5, 5 45 Sign up using Email and Password. Sign up or log in Sign up using Google.

Java Code Examples of rayDataSource

It doesn’t work for csv. So far I’ve tried two utils: Bytearraydatasoudce tried several ways to do it, including the first ones said by Joshua Fox. By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

I’m running on OS X I have had a problem with software working on ubuntu but failing on windows. By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies. This is a great solution! Most interesting classes are javax.

Jul 29 ’15 at I didn’t vote you down butgetFileNameMap doesn’t work for many basic file typesfor example ‘bmp’. This is useless if the file has a missing or wrong extension. It only leaves it locked because you’ve left yourself no way to close it. Perfect solution – byteardaydatasource me a lot!


With Apache Butearraydatasource you need only three lines of code:. Post as a guest Name. Ofcourse its light too: It is better to use two layer validation for files upload.

The documentation of mime-util is not very clear about how to instantiate the utility class. To fetch mime type for a file, you would simply use Files and do this in your code:. The solution I found, as also is said by Joshua Fox in a superficial way, is to use MimeUtil2like this:. However, as suggested by the comment above, the built-in table of mime-types is quite limited, not including, for example, MSWord and PDF.

Java Examples for javax.mail.util.ByteArrayDataSource

In its vanilla implementation this does not do much i. Thanks for your answer. I like to use standard facilities provided by JDK first, and if that doesn’t work, I’ll go and look for something else. And for those needing to use this solution within Android, you can simply include the following in the build.

The other bytearraydatasorce below make light of many dependencies with Tika, but I see none with tika-core.