[jira] Updated: (HARMONY-4699) [classlib][luni] URLConnection.getContentType() works with files incorrectly

["Vasily Zakharov (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HARMONY-4699?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vasily Zakharov updated HARMONY-4699:
-------------------------------------

    Attachment: Test.zip

> [classlib][luni] URLConnection.getContentType() works with files incorrectly
> ----------------------------------------------------------------------------
>
>                 Key: HARMONY-4699
>                 URL: https://issues.apache.org/jira/browse/HARMONY-4699
>             Project: Harmony
>          Issue Type: Bug
>          Components: Classlib
>            Reporter: Vasily Zakharov
>         Attachments: Test.zip
>
>
> In Harmony implementation, java.net.URLConnection.getContentType() works incorrectly when addresses a file URL:
> 1. For files with .rtf extension, RI returns "application/rtf", while Harmony returns "text/rtf".
> 2. For files with .java extension, RI returns "text/plain", while Harmony returns "content/unknown".
> 3. For files with .doc extension, RI returns "content/unknown", while Harmony returns "application/msword". The same is true for other known extensions.
> 4. For files with unrecognized extension and with HTML content, RI returns "text/html", while Harmony returns "content/unknown".
> Items 1 and 2 look like a minor issues that would better be fixed for compatibility with RI.
> Item 3 looks like a non-bug difference, as Harmony behaves clearly better than RI in these cases.
> Item 4 looks like a serious bug, as RI clearly looks into file content for the file type, and Harmony does not. Looks like org.apache.harmony.luni.internal.net.www.protocol.file.FileURLConnection.getContentType() needs to be fixed to use guessContentTypeFromStream() in addition to guessContentTypeFromName().
> The attached archive contains the reproducer with some test files it uses. Here's the reproducer code:
> public class Test {
>     static void printContentType(String fileName) throws java.io.IOException {
>         System.out.println(fileName + ": " + new java.net.URL("file:" + fileName).openConnection().getContentType());
>     }
>     public static void main(String argv[]) {
>         try {
>             printContentType("test.rtf");
>             printContentType("Test.java");
>             printContentType("test.doc");
>             printContentType("test.htx");
>         } catch (Exception e) {
>             e.printStackTrace(System.out);
>         }
>     }
> } 
> Output on RI:
> test.rtf: application/rtf
> Test.java: text/plain
> test.doc: content/unknown
> test.htx: text/html
> Output on Harmony:
> test.rtf: text/rtf
> Test.java: content/unknown
> test.doc: application/msword
> test.htx: content/unknown
> This issue is a blocker for HARMONY-4696, as on RI JEditorPane.getContentType() should be based on URLConnection.getContentType() that now works incorrectly.

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