package cn.banny.util.io;

public class Disk {
	private int id = -1;
	private String serialNumber = null;
	private String modelNumber = null;
	private String revisionNumber = null;
	private int bufferSize = 0;
	private int diskCylinders = 0;
	private int diskHeads = 0;
	private int sectorsOfTrack = 0;
	 
	public Disk(int nDrive) {
		this.id = nDrive;
	}
	
	public String getSerialNumber() {
		return serialNumber;
	}
	public void setSerialNumber(String serialNumber) {
		this.serialNumber = serialNumber;
	}
	
	public String getModelNumber() {
		return modelNumber;
	}
	public void setModelNumber(String modelNumber) {
		this.modelNumber = modelNumber;
	}
	
	public String getRevisionNumber() {
		return revisionNumber;
	}
	public void setRevisionNumber(String revisionNumber) {
		this.revisionNumber = revisionNumber;
	}
	
	public int getBufferSize() {
		return bufferSize;
	}
	public void setBufferSize(int bufferSize) {
		this.bufferSize = bufferSize;
	}
	
	public int getDiskCylinders() {
		return diskCylinders;
	}
	public void setDiskCylinders(int diskCylinders) {
		this.diskCylinders = diskCylinders;
	}
	
	public int getDiskHeads() {
		return diskHeads;
	}
	public void setDiskHeads(int diskHeads) {
		this.diskHeads = diskHeads;
	}
	
	public int getSectorsOfTrack() {
		return sectorsOfTrack;
	}
	public void setSectorsOfTrack(int sectorsOfTrack) {
		this.sectorsOfTrack = sectorsOfTrack;
	}
	
	public boolean available() {
		return serialNumber != null || modelNumber != null;
	}
	
	public String toString() {
		if(available()) {
			StringBuffer buffer = new StringBuffer();
			buffer.append("Drive ").append(id).append(":\n");
			buffer.append("\tSerialNumber: ").append(serialNumber).append("\n");
			buffer.append("\tModelNumber: ").append(modelNumber).append("\n");
			buffer.append("\tRevisionNumber: ").append(revisionNumber).append("\n");
			buffer.append("\tBufferSize: ").append(bufferSize).append("\n");
			buffer.append("\tDiskCylinders: ").append(diskCylinders).append("\n");
			buffer.append("\tDiskHeads: ").append(diskHeads).append("\n");
			buffer.append("\tSectorsOfTrack: ").append(sectorsOfTrack).append("\n");
			return buffer.toString();
		} else {
			return "Drive " + id +
				" is current not available.\n";
		}
	}
}