Roughly move files to fit gradle project

src/main/java/ch/ntb/inf/libusbJava/Usb_Bus.java

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+/* 
+ * Java libusb wrapper
+ * Copyright (c) 2005-2006 Andreas Schl<68>pfer <spandi at users.sourceforge.net>
+ *
+ * http://libusbjava.sourceforge.net
+ * This library is covered by the LGPL, read LGPL.txt for details.
+ */
+package ch.ntb.inf.libusbJava;
+
+/**
+ * Represents an USB bus.<br>
+ * This is the root class for the representation of the libusb USB structure.
+ * Zero or more devices may be connected to an USB bus.
+ * 
+ */
+public class Usb_Bus {
+
+	private Usb_Bus next, prev;
+
+	private String dirname;
+
+	private Usb_Device devices;
+
+	private long location;
+
+	private Usb_Device root_dev;
+
+	public Usb_Bus(String dirname, long location) {
+		this.dirname = dirname;
+		this.location = location;
+	}
+
+	/**
+	 * Get the first device ojects of the devices linked list.<br>
+	 * 
+	 * @return the first device ojects of the devices linked list or null
+	 */
+	public Usb_Device getDevices() {
+		return devices;
+	}
+
+	protected void setDevices(Usb_Device devices) {
+		this.devices = devices;
+	}
+
+	/**
+	 * Returns the systems String representation of the bus.<br>
+	 * 
+	 * @return the systems String representation of the bus
+	 */
+	public String getDirname() {
+		return dirname;
+	}
+
+	/**
+	 * Returns the next bus object.<br>
+	 * 
+	 * @return Returns the next bus object or null
+	 */
+	public Usb_Bus getNext() {
+		return next;
+	}
+
+	protected void setNext(Usb_Bus bus) {
+		next = bus;
+	}
+
+	/**
+	 * Returns the previous bus object.<br>
+	 * 
+	 * @return Returns the previous bus object or null
+	 */
+	public Usb_Bus getPrev() {
+		return prev;
+	}
+
+	protected void setPrev(Usb_Bus bus) {
+		prev = bus;
+	}
+
+	/**
+	 * Get the root device of this bus.<br>
+	 * 
+	 * @return the root device oject or null
+	 */
+	public Usb_Device getRootDev() {
+		return root_dev;
+	}
+
+	/**
+	 * Returns the location in the USB bus linked list.<br>
+	 * 
+	 * @return the location in the USB bus linked list
+	 */
+	public long getLocation() {
+		return location;
+	}
+
+	protected void setLocation(long busnumber) {
+		location = busnumber;
+	}
+
+	@Override
+	public String toString() {
+		return "Usb_Bus " + dirname;
+	}
+}