Package com.drew.imaging
Class FileTypeDetector
- java.lang.Object
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- com.drew.imaging.FileTypeDetector
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public class FileTypeDetector extends java.lang.Object
Examines the a file's first bytes and estimates the file's type.
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description static FileType
detectFileType(java.io.InputStream inputStream)
Examines the file's bytes and estimates the file's type.
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Method Detail
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detectFileType
public static FileType detectFileType(java.io.InputStream inputStream) throws java.io.IOException
Examines the file's bytes and estimates the file's type.The input stream must support mark and reset, in order to return the stream to the position at which it was provided to this method once completed.
Requires the stream to contain at least eight bytes.
- Throws:
java.io.IOException
- if the stream does not support mark/reset.
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