public abstract class FilterWriter extends Writer
FilterWriter itself
provides default methods that pass all requests to the
contained stream. Subclasses of FilterWriter
should override some of these methods and may also
provide additional methods and fields.| Modifier and Type | Field and Description |
|---|---|
protected Writer |
out
The underlying character-output stream.
|
| Modifier | Constructor and Description |
|---|---|
protected |
FilterWriter(Writer out)
Create a new filtered writer.
|
| Modifier and Type | Method and Description |
|---|---|
void |
close()
Closes the stream, flushing it first.
|
void |
flush()
Flushes the stream.
|
void |
write(char[] cbuf,
int off,
int len)
Writes a portion of an array of characters.
|
void |
write(int c)
Writes a single character.
|
void |
write(String str,
int off,
int len)
Writes a portion of a string.
|
protected Writer out
protected FilterWriter(Writer out)
out - a Writer object to provide the underlying stream.NullPointerException - if out is nullpublic void write(int c)
throws IOException
write in class Writerc - int specifying a character to be writtenIOException - If an I/O error occurspublic void write(char[] cbuf,
int off,
int len)
throws IOException
write in class Writercbuf - Buffer of characters to be writtenoff - Offset from which to start reading characterslen - Number of characters to be writtenIOException - If an I/O error occurspublic void write(String str, int off, int len) throws IOException
write in class Writerstr - String to be writtenoff - Offset from which to start reading characterslen - Number of characters to be writtenIOException - If an I/O error occurspublic void flush()
throws IOException
flush in interface Flushableflush in class WriterIOException - If an I/O error occurspublic void close()
throws IOException
Writerclose in interface Closeableclose in interface AutoCloseableclose in class WriterIOException - If an I/O error occurs Submit a bug or feature
For further API reference and developer documentation, see Java SE Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.
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