diff -r e9d8597d45a6 openide.filesystems/apichanges.xml
--- a/openide.filesystems/apichanges.xml	Thu Jul 28 10:17:56 2011 +0200
+++ b/openide.filesystems/apichanges.xml	Thu Jul 28 11:10:10 2011 +0200
@@ -49,6 +49,24 @@
         <apidef name="filesystems">Filesystems API</apidef>
     </apidefs>
     <changes>
+        <change id="FileObject.getMIMEType...">
+            <api name="filesystems"/>
+            <summary>FileObject.getMIMEType(String... withinMIMETypes)</summary>
+            <version major="7" minor="50"/>
+            <date day="4" month="8" year="2011"/>
+            <author login="jtulach"/>
+            <compatibility addition="yes"/>
+            <description>
+                <p>
+                    Introducing <a href="@TOP@/org/openide/filesystems/FileObject.html#getMIMEType(java.lang.String...)">
+                    FileObject.getMIMEType(String...)    
+                    </a> that can be overriden by different implementations
+                    of file system API.
+                </p>
+            </description>
+            <class package="org.openide.filesystems" name="FileObject"/>
+            <issue number="199642"/>
+        </change>
         <change id="getConfigObject">
             <api name="filesystems"/>
             <summary>FileUtil.getConfigObject</summary>
diff -r e9d8597d45a6 openide.filesystems/manifest.mf
--- a/openide.filesystems/manifest.mf	Thu Jul 28 10:17:56 2011 +0200
+++ b/openide.filesystems/manifest.mf	Thu Jul 28 11:10:10 2011 +0200
@@ -2,5 +2,5 @@
 OpenIDE-Module: org.openide.filesystems
 OpenIDE-Module-Localizing-Bundle: org/openide/filesystems/Bundle.properties
 OpenIDE-Module-Layer: org/openide/filesystems/resources/layer.xml
-OpenIDE-Module-Specification-Version: 7.49
+OpenIDE-Module-Specification-Version: 7.50
 
diff -r e9d8597d45a6 openide.filesystems/src/org/openide/filesystems/FileObject.java
--- a/openide.filesystems/src/org/openide/filesystems/FileObject.java	Thu Jul 28 10:17:56 2011 +0200
+++ b/openide.filesystems/src/org/openide/filesystems/FileObject.java	Thu Jul 28 11:10:10 2011 +0200
@@ -571,6 +571,23 @@
         String mimeType = FileUtil.getMIMEType(this);
         return  mimeType == null ? "content/unknown" : mimeType;  //NOI18N
     }
+    
+    /** Resolves MIME type from the list of acceptable ones. By default
+     * calls {@link FileUtil#getMIMEType(org.openide.filesystems.FileObject, java.lang.String[])},
+     * but subclasses may override this method to be more effective.
+     * 
+     * @param withinMIMETypes 
+     *   A hint to the underlaying infrastructure to 
+     *   limit the search to given array of MIME types. 
+     * @return the MIME type for the FileObject, or <code>null</code> if 
+     *   the FileObject is unrecognized. It may return {@code content/unknown} instead of {@code null}.
+     *   It is possible for the resulting MIME type to not be a member of given <code>withinMIMETypes</code>
+     *   list.
+     * @since 7.50
+     */
+    public String getMIMEType(String... withinMIMETypes) {
+        return FileUtil.getMIMEType(this, withinMIMETypes);
+    }
 
     /** Get the size of the file.
     * @return the size of the file in bytes or zero if the file does not contain data (does not
diff -r e9d8597d45a6 openide.filesystems/test/unit/src/org/openide/filesystems/FileUtilTest.java
--- a/openide.filesystems/test/unit/src/org/openide/filesystems/FileUtilTest.java	Thu Jul 28 10:17:56 2011 +0200
+++ b/openide.filesystems/test/unit/src/org/openide/filesystems/FileUtilTest.java	Thu Jul 28 11:10:10 2011 +0200
@@ -381,7 +381,7 @@
         FileObject fo = FileUtil.createData(testFolder, "fo1.mime1");
         String[] withinMIMETypes = null;
         try {
-            FileUtil.getMIMEType(fo, withinMIMETypes);
+            fo.getMIMEType(withinMIMETypes);
             fail("FileUtil.getMIMEType(fo, null) should throw IllegalArgumentException.");
         } catch (NullPointerException npe) {
             // exception correctly thrown
@@ -389,7 +389,7 @@
         
         fo = FileUtil.createData(testFolder, "fo2.mime1");
         withinMIMETypes = new String[0];
-        FileUtil.getMIMEType(fo, withinMIMETypes);
+        fo.getMIMEType(withinMIMETypes);
         assertTrue("Resolver should be queried if array of desired MIME types is empty.", MyResolver.wasQueried());
         
         fo = FileUtil.createData(testFolder, "fo3.mime1");
@@ -404,7 +404,7 @@
 
         fo = FileUtil.createData(testFolder, "fo5.mime1");
         withinMIMETypes = new String[]{"mime1", "mime2"};
-        FileUtil.getMIMEType(fo, withinMIMETypes);
+        fo.getMIMEType(withinMIMETypes);
         assertTrue("Resolver should be queried if both items in array of desired MIME types matches MIMEResolver.getMIMETypes.", MyResolver.wasQueried());
     }
 
diff -r e9d8597d45a6 openide.filesystems/test/unit/src/org/openide/filesystems/MIMESupportTest.java
--- a/openide.filesystems/test/unit/src/org/openide/filesystems/MIMESupportTest.java	Thu Jul 28 10:17:56 2011 +0200
+++ b/openide.filesystems/test/unit/src/org/openide/filesystems/MIMESupportTest.java	Thu Jul 28 11:10:10 2011 +0200
@@ -396,7 +396,7 @@
         assertEquals(3, Lookup.getDefault().lookupAll(MIMEResolver.class).size());
 
         FileObject fo = FileUtil.createData(FileUtil.createMemoryFileSystem().getRoot(), "file.a");
-        String mimeType = FileUtil.getMIMEType(fo, "b/b");
+        String mimeType = fo.getMIMEType("b/b");
         assertEquals("content/unknown", mimeType);
         mimeType = FileUtil.getMIMEType(fo, "a/a");
         assertEquals("a/a", mimeType);
@@ -407,7 +407,7 @@
 
         //#161340 - do not cache text/xml if it is falback value
         FileObject fo1 = FileUtil.createData(FileUtil.createMemoryFileSystem().getRoot(), "file.xml");
-        mimeType = FileUtil.getMIMEType(fo1, "a/a");
+        mimeType = fo1.getMIMEType("a/a");
         assertEquals("Fallback for xml failed.", "text/xml", mimeType);
         mimeType = FileUtil.getMIMEType(fo1);
         assertEquals("Fallback MIME type for xml should not be cached.", "xml/xml", mimeType);
diff -r e9d8597d45a6 openide.loaders/nbproject/project.xml
--- a/openide.loaders/nbproject/project.xml	Thu Jul 28 10:17:56 2011 +0200
+++ b/openide.loaders/nbproject/project.xml	Thu Jul 28 11:10:10 2011 +0200
@@ -122,7 +122,7 @@
                     <build-prerequisite/>
                     <compile-dependency/>
                     <run-dependency>
-                        <specification-version>7.19</specification-version>
+                        <specification-version>7.50</specification-version>
                     </run-dependency>
                 </dependency>
                 <dependency>
diff -r e9d8597d45a6 openide.loaders/src/org/openide/loaders/ExtensionList.java
--- a/openide.loaders/src/org/openide/loaders/ExtensionList.java	Thu Jul 28 10:17:56 2011 +0200
+++ b/openide.loaders/src/org/openide/loaders/ExtensionList.java	Thu Jul 28 11:10:10 2011 +0200
@@ -169,7 +169,7 @@
         }
 
         if (mimeTypes != null) {
-            String mime = FileUtil.getMIMEType(fo, mimeTypes.toArray(new String[0]));
+            String mime = fo.getMIMEType(mimeTypes.toArray(new String[0]));
             if (mimeTypes.contains(mime)) {
                 return true;
             }