Code example for SessionOutputBuffer

    protected void flushCacheWithAppend(byte bufferToAppend[], int off, int len) throws IOException { 
        this.out.writeLine(Integer.toHexString(this.cachePosition + len)); 
        this.out.write(this.cache, 0, this.cachePosition); 
        this.out.write(bufferToAppend, off, len); 
        this.out.writeLine(""); 
        this.cachePosition = 0; 
    } 
 
    protected void writeClosingChunk() throws IOException { 
        // Write the final chunk. 
        this.out.writeLine("0"); 
        this.out.writeLine(""); 
    } 
 
    // ----------------------------------------------------------- Public Methods 
    /** 
     * Must be called to ensure the internal cache is flushed and the closing 
     * chunk is written. 
     * @throws IOException in case of an I/O error 
     */