code: public void setData(byte[] data, boolean append) {
  	lastModified = System.currentTimeMillis();
  
  	// set data
  	if (append) {
  	    if (this.data != null && data != null) {
  		byte[] newData = new byte[this.data.length + data.length];
  		int i = 0;
  		for (; i < this.data.length; i++) {
  		    newData[i] = this.data[i];
  		}
  		for (; i < this.data.length + data.length; i++) {
  		    newData[i] = data[i - this.data.length];
  		}
  		this.data = newData;
  	    }
  	    else if (data != null) {
  		this.data = data;
  	    }
  	}
  	else {
  	    this.data = data;
  	}
  
  	// set type
  	if (this.data != null) this.type = TYPE_FILE;
  
      }
docs: Setzt den Feldnamen data.
  
  @param data data
  @param append