对于 odt、ppt、pptx、xlsx 等文档,我需要获取 iana.org MediaType 而不是 application/zip 或 application/x-tika-msoffice。
如果您查看 mimetypes.xml,则 mimeType 元素由 iana.org mime-type 和“sub-class-of”组成
<mime-type type="application/msword">
<alias type="application/vnd.ms-word"/>
............................
<glob pattern="*.doc"/>
<glob pattern="*.dot"/>
<sub-class-of type="application/x-tika-msoffice"/>
</mime-type>
如何获取 iana.org mime-type 名称而不是父类型名称?
在测试 mime 类型检测时,我会:
MediaType mediaType = MediaType.parse(tika.detect(inputStream));
String mimeType = mediaType.getSubtype();
试验结果 :
FAILED: getsCorrectContentType("application/vnd.ms-excel", docs/xls/en.xls)
java.lang.AssertionError: expected:<application/vnd.ms-excel> but was:<x-tika-msoffice>
FAILED: getsCorrectContentType("vnd.openxmlformats-officedocument.spreadsheetml.sheet", docs/xlsx/en.xlsx)
java.lang.AssertionError: expected:<vnd.openxmlformats-officedocument.spreadsheetml.sheet> but was:<zip>
FAILED: getsCorrectContentType("application/msword", doc/en.doc)
java.lang.AssertionError: expected:<application/msword> but was:<x-tika-msoffice>
FAILED: getsCorrectContentType("application/vnd.openxmlformats-officedocument.wordprocessingml.document", docs/docx/en.docx)
java.lang.AssertionError: expected:<application/vnd.openxmlformats-officedocument.wordprocessingml.document> but was:<zip>
FAILED: getsCorrectContentType("vnd.ms-powerpoint", docs/ppt/en.ppt)
java.lang.AssertionError: expected:<vnd.ms-powerpoint> but was:<x-tika-msoffice>
有没有办法从 mimetypes.xml 获取实际的子类型?而不是 x-tika-msoffice 或 application/zip ?
此外,我从来没有得到 application/x-tika-ooxml,而是 xlsx、docx、pptx 文档的 application/zip。