Refactor mime_util into a singleton.

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@626 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 53 insertions, 0 deletions

diff --git a/net/base/platform_mime_util.h b/net/base/platform_mime_util.h
new file mode 100644
index 0000000..c045557
--- /dev/null
+++ b/net/base/platform_mime_util.h
@@ -0,0 +1,53 @@
+// Copyright 2008, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//    * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//    * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//    * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#ifndef NET_BASE_PLATFORM_MIME_UTIL_H_
+#define NET_BASE_PLATFORM_MIME_UTIL_H_
+
+#include <string>
+
+namespace net {
+
+// Encapsulates the platform-specific functionality in mime_util
+class PlatformMimeUtil {
+ public:
+  // See documentation for base::GetPreferredExtensionForMimeType [mime_util.h]
+  bool GetPreferredExtensionForMimeType(const std::string& mime_type,
+                                        std::wstring* extension) const;
+ protected:
+  
+  // Get the mime type (if any) that is associated with the file extension.
+  // Returns true if a corresponding mime type exists.
+  bool GetPlatformMimeTypeFromExtension(const std::wstring& ext,
+                                        std::string* mime_type) const;
+};
+
+}  // namespace net
+
+#endif  // NET_BASE_PLATFORM_MIME_UTIL_H_