Class VoidOutputFilter

java/org/apache/coyote/http11/filters/VoidOutputFilter.java:29–84

Void output filter, which silently swallows bytes written. Used with a 204 status (no content) or a HEAD request.

 * Void output filter, which silently swallows bytes written. Used with a 204 status (no content) or a HEAD request.
 */
public class VoidOutputFilter implements OutputFilter {

    /**
     * Constructs a new VoidOutputFilter.
     */
    public VoidOutputFilter() {
    }

    private HttpOutputBuffer buffer = null;


    // --------------------------------------------------- OutputBuffer Methods

    @Override
    public int doWrite(ByteBuffer chunk) throws IOException {
        return chunk.remaining();
    }


    @Override
    public long getBytesWritten() {
        return 0;
    }


    // --------------------------------------------------- OutputFilter Methods

    @Override
    public void setResponse(Response response) {
        // NOOP: No need for parameters from response in this filter
    }


    @Override
    public void setBuffer(HttpOutputBuffer buffer) {
        this.buffer = buffer;
    }


    @Override
    public void flush() throws IOException {
        this.buffer.flush();
    }


    @Override
    public void recycle() {
        buffer = null;
    }


    @Override
    public void end() throws IOException {
        buffer.end();
    }
}