gengby
6 months ago
9 changed files with 325 additions and 57 deletions
@ -0,0 +1,38 @@ |
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package org.nl.acs.device_driver.shangdianke; |
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import cn.hutool.core.util.StrUtil; |
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import lombok.Getter; |
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import lombok.Setter; |
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import org.nl.acs.modbus.TCPClient; |
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import org.nl.acs.modbus.TCPClient2; |
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import java.util.Optional; |
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/** |
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* @author zhangjiangwei |
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*/ |
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@Getter |
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@Setter |
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public class ItemProtocol { |
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/** |
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* 光电信号 |
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*/ |
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public static final String ITEM_MOVE = "move"; |
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private final PhotoelectricDetectionDeviceDriver driver; |
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public ItemProtocol(PhotoelectricDetectionDeviceDriver driver) { |
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this.driver = driver; |
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} |
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public int getMove() { |
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String ip = Optional.ofNullable(this.getDriver().getDevice().getExtraValue().get("ipAddress")).map(Object::toString).orElse(null); |
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String index = Optional.ofNullable(this.getDriver().getDevice().getExtraValue().get("index")).map(Object::toString).orElse("-1"); |
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if (StrUtil.isNotEmpty(ip) && !StrUtil.equals(index, "-1")) { |
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return TCPClient.startConnection(ip, 502, Integer.parseInt(index)); |
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} |
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return 0; |
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} |
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} |
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@ -0,0 +1,99 @@ |
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package org.nl.acs.modbus; |
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import java.io.*; |
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import java.net.Socket; |
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import java.net.SocketTimeoutException; |
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public class TCPClient { |
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public static synchronized int startConnection(String ip, int port, int index) { |
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String hexMessage = "000600000006010200000008"; |
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try (Socket socket = new Socket(ip, port); |
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DataOutputStream outToServer = new DataOutputStream(socket.getOutputStream()); |
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BufferedReader inFromServer = new BufferedReader(new InputStreamReader(socket.getInputStream()))) { |
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socket.setSoTimeout(10000); |
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sendMessage(outToServer, hexMessage); |
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String message = receiveMessage(socket); |
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int[] binary = binary(message); |
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// for (int bit : binary) {
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// System.out.println(bit);
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// }
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return binary[index - 1]; |
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} catch (IOException e) { |
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e.printStackTrace(); |
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} |
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return -1; |
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} |
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private static void sendMessage(DataOutputStream out, String hexMessage) throws IOException { |
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byte[] messageBytes = hexStringToByteArray(hexMessage); |
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out.write(messageBytes); |
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} |
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private static String receiveMessage(Socket socket) throws IOException { |
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try (InputStream inputStream = socket.getInputStream(); |
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ByteArrayOutputStream buffer = new ByteArrayOutputStream()) { |
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byte[] data = new byte[1024]; |
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int nRead; |
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while ((nRead = inputStream.read(data, 0, data.length)) != -1) { |
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buffer.write(data, 0, nRead); |
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if (nRead < 1024) { |
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break; |
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} |
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} |
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buffer.flush(); |
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return byteArrayToHexString(buffer.toByteArray()); |
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} catch (SocketTimeoutException e) { |
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e.printStackTrace(); |
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return null; |
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} |
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} |
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private static byte[] hexStringToByteArray(String s) { |
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int length = s.length(); |
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byte[] data = new byte[length / 2]; |
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for (int i = 0; i < length; i += 2) { |
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data[i / 2] = (byte) ((Character.digit(s.charAt(i), 16) << 4) |
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+ Character.digit(s.charAt(i + 1), 16)); |
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} |
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return data; |
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} |
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private static String byteArrayToHexString(byte[] bytes) { |
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StringBuilder sb = new StringBuilder(); |
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for (byte b : bytes) { |
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sb.append(String.format("%02X", b)); |
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} |
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return sb.toString(); |
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} |
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public static int[] binary(String hexString) { |
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String lastFourHex = hexString.substring(hexString.length() - 4); |
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int decimal = Integer.parseInt(lastFourHex, 16); |
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String binaryString = Integer.toBinaryString(decimal); |
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System.out.println("length:" + binaryString.length()); |
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int[] binaryArray = new int[binaryString.length()]; |
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for (int i = 0; i < binaryString.length(); i++) { |
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binaryArray[i] = Character.getNumericValue(binaryString.charAt(i)); |
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} |
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reverseArray(binaryArray); |
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return binaryArray; |
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} |
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public static void reverseArray(int[] array) { |
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int temp; |
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int n = array.length; |
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for (int i = 0; i < n / 2; i++) { |
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temp = array[i]; |
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array[i] = array[n - i - 1]; |
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array[n - i - 1] = temp; |
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} |
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} |
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public static void main(String[] args) { |
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int move = startConnection("192.168.1.12", 502, 2); |
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System.out.println(move); |
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} |
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} |
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@ -0,0 +1,96 @@ |
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package org.nl.acs.modbus; |
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import lombok.SneakyThrows; |
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import java.io.*; |
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import java.net.Socket; |
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import java.util.concurrent.ConcurrentHashMap; |
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import java.util.concurrent.locks.ReentrantLock; |
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import static oshi.util.ParseUtil.byteArrayToHexString; |
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import static oshi.util.ParseUtil.hexStringToByteArray; |
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public class TCPClient2 { |
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private static final ConcurrentHashMap<String, Socket> connectionPools = new ConcurrentHashMap<>(); |
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private static final ReentrantLock lock = new ReentrantLock(); |
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private static final String hexMessage = "000600000006010200000008"; |
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@SneakyThrows |
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public static int startConnection(String ip, int port, int index) { |
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String key = ip + ":" + port; |
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Socket socket = getSocketFromPool(key, ip, port); |
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if (socket == null) return -1; |
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DataOutputStream outToServer = new DataOutputStream(socket.getOutputStream()); |
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sendMessage(outToServer, hexMessage); |
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String message = receiveMessage(socket); |
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int[] binary = binary(message); |
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return binary[index - 1]; |
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} |
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//@SneakyThrows
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private static Socket getSocketFromPool(String key, String ip, int port) { |
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lock.lock(); |
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try { |
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if (connectionPools.keySet().contains(key) && connectionPools.get(key).isConnected()) { |
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return connectionPools.get(key); |
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} else { |
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connectionPools.remove(key); |
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Socket socket = new Socket(ip, port); |
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socket.setKeepAlive(true); |
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socket.setSoTimeout(10000); |
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connectionPools.put(key, socket); |
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return socket; |
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} |
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} catch (Exception e) { |
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e.printStackTrace(); |
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} finally { |
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lock.unlock(); |
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} |
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return null; |
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} |
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private static void sendMessage(DataOutputStream out, String hexMessage) throws IOException { |
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byte[] messageBytes = hexStringToByteArray(hexMessage); |
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out.write(messageBytes); |
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} |
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private static String receiveMessage(Socket socket) throws IOException { |
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InputStream inputStream = socket.getInputStream(); |
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ByteArrayOutputStream buffer = new ByteArrayOutputStream(); |
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byte[] data = new byte[1024]; |
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int nRead; |
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while ((nRead = inputStream.read(data, 0, data.length)) != -1) { |
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buffer.write(data, 0, nRead); |
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if (nRead < 1024) { |
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break; |
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} |
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} |
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buffer.flush(); |
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return byteArrayToHexString(buffer.toByteArray()); |
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} |
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private static int[] binary(String hexString) { |
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if (hexString == null) { |
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hexString = "00060000000401020100"; |
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} |
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String lastFourHex = hexString.substring(hexString.length() - 4); |
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int decimal = Integer.parseInt(lastFourHex, 16); |
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String binaryString = Integer.toBinaryString(decimal); |
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int[] binaryArray = new int[binaryString.length()]; |
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for (int i = 0; i < binaryString.length(); i++) { |
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binaryArray[i] = Character.getNumericValue(binaryString.charAt(i)); |
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} |
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reverseArray(binaryArray); |
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return binaryArray; |
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} |
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private static void reverseArray(int[] array) { |
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for (int i = 0, j = array.length - 1; i < j; i++, j--) { |
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int temp = array[i]; |
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array[i] = array[j]; |
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array[j] = temp; |
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} |
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} |
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} |
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