vendordescriptor.java

来自「纯java操作系统jnode,安装简单和操作简单的个人使用的Java操作系统」· Java 代码 · 共 66 行

/*
 * $Id: VendorDescriptor.java,v 1.1 2003/11/25 11:41:21 epr Exp $
 */
package org.jnode.driver.pci;

import java.util.HashMap;

/**
 * @author epr
 */
public class VendorDescriptor {
	
	private final int id;
	private final String name;
	private final HashMap devices = new HashMap();
	
	public VendorDescriptor(int id, String name) {
		this.id = id;
		this.name = name;
	}

	/**
	 * Gets the ID of the vendor
	 */
	public int getId() {
		return id;
	}

	/**
	 * Gets the Name of the vendor
	 */
	public String getName() {
		return name;
	}
	
	/**
	 * Gets the descriptor of the device with the given id.
	 * @param deviceId
	 * @return Unknown device if not found, never null
	 */
	public DeviceDescriptor findDevice(int deviceId) {
		DeviceDescriptor result;
		result = (DeviceDescriptor)devices.get(new Integer(deviceId));
		if (result == null) {
			result = new DeviceDescriptor(deviceId, "? (" + deviceId + ")");
		}
		return result;
	}
	
	/**
	 * Add a device descriptor of a device of this vendor
	 * @param device
	 */
	protected void addDevice(DeviceDescriptor device) {
		devices.put(new Integer(device.getId()), device);
	}
	
	/**
	 * @see java.lang.Object#toString()
	 */
	public String toString() {
		return getName();
	}

}