java.io.FileReader Maven / Gradle / Ivy
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* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
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* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
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package java.io;
/**
* Convenience class for reading character files. The constructors of this
* class assume that the default character encoding and the default byte-buffer
* size are appropriate. To specify these values yourself, construct an
* InputStreamReader on a FileInputStream.
*
* FileReader is meant for reading streams of characters.
* For reading streams of raw bytes, consider using a
* FileInputStream.
*
* @see InputStreamReader
* @see FileInputStream
*
* @author Mark Reinhold
* @since JDK1.1
*/
public class FileReader extends InputStreamReader {
/**
* Creates a new FileReader, given the name of the
* file to read from.
*
* @param fileName the name of the file to read from
* @exception FileNotFoundException if the named file does not exist,
* is a directory rather than a regular file,
* or for some other reason cannot be opened for
* reading.
*/
public FileReader(String fileName) throws FileNotFoundException {
super(new FileInputStream(fileName));
}
/**
* Creates a new FileReader, given the File
* to read from.
*
* @param file the File to read from
* @exception FileNotFoundException if the file does not exist,
* is a directory rather than a regular file,
* or for some other reason cannot be opened for
* reading.
*/
public FileReader(File file) throws FileNotFoundException {
super(new FileInputStream(file));
}
/**
* Creates a new FileReader, given the
* FileDescriptor to read from.
*
* @param fd the FileDescriptor to read from
*/
public FileReader(FileDescriptor fd) {
super(new FileInputStream(fd));
}
}