新增 MoreInetAddresses 工具类

pom.xml

@@ -10,7 +10,6 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <java.version>8</java.version>
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
         <jackson.version>2.13.5</jackson.version>

src/main/java/xyz/zhouxy/plusone/commons/domain/ValidatableStringRecord.java

@@ -31,8 +31,7 @@ import xyz.zhouxy.plusone.commons.util.RegexUtil;
  * @author <a href="https://gitee.com/zhouxy108">ZhouXY</a>
  * @since 0.1.0
  */
-public abstract class ValidatableStringRecord
+public abstract class ValidatableStringRecord {
-        implements Comparable<ValidatableStringRecord> {
     private final String value;
 
     protected ValidatableStringRecord(String value, Pattern pattern) {
@@ -52,11 +51,6 @@ public abstract class ValidatableStringRecord
         return this.value;
     }
 
-    @Override
-    public int compareTo(ValidatableStringRecord o) {
-        return this.value.compareTo(o.value);
-    }
-
     @Override
     public String toString() {
         return this.value();

src/main/java/xyz/zhouxy/plusone/commons/net/MoreInetAddresses.java

@@ -0,0 +1,58 @@
+package xyz.zhouxy.plusone.commons.net;
+
+import java.net.Inet4Address;
+import java.net.Inet6Address;
+import java.net.InetAddress;
+import java.net.NetworkInterface;
+import java.net.SocketException;
+import java.util.Enumeration;
+
+import com.google.common.annotations.Beta;
+
+@Beta
+public class MoreInetAddresses {
+
+    public static NetworkInterfaceInfo getNetworkInterfaceInfo() throws SocketException {
+        final Enumeration<NetworkInterface> all = NetworkInterface.getNetworkInterfaces();
+        NetworkInterface networkInterface;
+        while (all.hasMoreElements()) {
+            networkInterface = all.nextElement();
+            if (networkInterface.isLoopback() || networkInterface.isVirtual()) {
+                continue;
+            }
+            final byte[] mac = networkInterface.getHardwareAddress();
+            if (mac != null) {
+                return new NetworkInterfaceInfo(networkInterface, mac);
+            }
+        }
+        throw new IllegalStateException("No available network interface found");
+    }
+
+    public static Inet4Address getIpv4(NetworkInterface networkInterface) {
+        final Enumeration<InetAddress> ips = networkInterface.getInetAddresses();
+        InetAddress ip;
+        while (ips.hasMoreElements()) {
+            ip = ips.nextElement();
+            if (!ip.isLoopbackAddress() && (ip instanceof Inet4Address)) {
+                return (Inet4Address) ip;
+            }
+        }
+        throw new IllegalStateException("No available address found");
+    }
+
+    public static Inet6Address getIpv6(NetworkInterface networkInterface) {
+        final Enumeration<InetAddress> ips = networkInterface.getInetAddresses();
+        InetAddress ip;
+        while (ips.hasMoreElements()) {
+            ip = ips.nextElement();
+            if (!ip.isLoopbackAddress() && (ip instanceof Inet6Address)) {
+                return (Inet6Address) ip;
+            }
+        }
+        throw new IllegalStateException("No available address found");
+    }
+
+    private MoreInetAddresses() {
+        throw new UnsupportedOperationException("Utility class");
+    }
+}

src/main/java/xyz/zhouxy/plusone/commons/net/NetworkInterfaceInfo.java

@@ -0,0 +1,39 @@
+package xyz.zhouxy.plusone.commons.net;
+
+import java.net.NetworkInterface;
+import java.util.Arrays;
+import java.util.Objects;
+
+public class NetworkInterfaceInfo {
+    private final NetworkInterface networkInterface;
+    private final byte[] mac;
+
+    NetworkInterfaceInfo(NetworkInterface networkInterface, byte[] mac) {
+        this.networkInterface = Objects.requireNonNull(networkInterface);
+        this.mac = Objects.requireNonNull(mac);
+    }
+
+    public NetworkInterface getNetworkInterface() {
+        return networkInterface;
+    }
+
+    public byte[] getMac() {
+        return Arrays.copyOf(this.mac, this.mac.length);
+    }
+
+    public String getMacStr() {
+        final StringBuilder result = new StringBuilder();
+        String s;
+        for (int i = 0; i < this.mac.length; i++) {
+            if (i != 0) {
+                result.append("-");
+            }
+            s = Integer.toHexString(this.mac[i] & 0xFF);
+            if (s.length() == 1) {
+                result.append("0");
+            }
+            result.append(s);
+        }
+        return result.toString();
+    }
+}

src/main/java/xyz/zhouxy/plusone/commons/seq/Seq.java

@@ -1,133 +0,0 @@
-package xyz.zhouxy.plusone.commons.seq;
-
-import java.util.Collection;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Set;
-import java.util.StringJoiner;
-import java.util.function.BiFunction;
-import java.util.function.Consumer;
-import java.util.function.Function;
-import java.util.function.Predicate;
-
-import com.google.common.annotations.Beta;
-import com.google.common.collect.ImmutableList;
-import com.google.common.collect.ImmutableSet;
-
-@Beta
-@FunctionalInterface
-public interface Seq<T> extends Consumer<Consumer<T>> {
-    // 这个方法和 forEach 是完全等价的
-    void accept(Consumer<T> consumer);
-
-    static <T> Seq<T> from(Collection<T> collection) {
-        return collection::forEach;
-    }
-
-    static <T> Seq<T> unit(T t) {
-        return c -> c.accept(t);
-    }
-
-    default <E> Seq<E> map(Function<T, E> func) {
-        Seq<T> srcSeq = this;
-        return c -> srcSeq.accept((T t) -> c.accept(func.apply(t)));
-    }
-
-    default <E> Seq<E> flatMap(Function<T, Seq<E>> function) {
-        Seq<T> srcSeq = this;
-        return c -> srcSeq.accept(t -> function.apply(t).accept(c));
-    }
-
-    default Seq<T> filter(Predicate<T> predicate) {
-        Seq<T> srcSeq = this;
-        return (Consumer<T> c) -> srcSeq.accept((T t) -> {
-            if (predicate.test(t)) {
-                c.accept(t);
-            }
-        });
-    }
-
-    static void stop() {
-        throw StopException.INSTANCE;
-    }
-
-    default void consumeTillStop(Consumer<T> consumer) {
-        try {
-            accept(consumer);
-        } catch (StopException ignore) {
-            // ignore
-        }
-    }
-
-    default Seq<T> take(int n) {
-        return c -> {
-            int[] i = { n };
-            consumeTillStop(t -> {
-                if (i[0]-- > 0) {
-                    c.accept(t);
-                } else {
-                    stop();
-                }
-            });
-        };
-    }
-
-    default Seq<T> drop(int n) {
-        return c -> {
-            int[] a = { n - 1 };
-            accept(t -> {
-                if (a[0] < 0) {
-                    c.accept(t);
-                } else {
-                    a[0]--;
-                }
-            });
-        };
-    }
-
-    default Seq<T> onEach(Consumer<T> consumer) {
-        Seq<T> srcSeq = this;
-        return c -> srcSeq.accept(consumer.andThen(c));
-    }
-
-    default <E, R> Seq<R> zip(Iterable<E> iterable, BiFunction<T, E, R> function) {
-        return c -> {
-            Iterator<E> iterator = iterable.iterator();
-            consumeTillStop(t -> {
-                if (iterator.hasNext()) {
-                    c.accept(function.apply(t, iterator.next()));
-                } else {
-                    stop();
-                }
-            });
-        };
-    }
-
-    default String join(String sep) {
-        StringJoiner joiner = new StringJoiner(sep);
-        accept(t -> joiner.add(t.toString()));
-        return joiner.toString();
-    }
-
-    default List<T> toList() {
-        ImmutableList.Builder<T> builder = ImmutableList.builder();
-        accept(builder::add);
-        return builder.build();
-    }
-
-    default Set<T> toSet() {
-        ImmutableSet.Builder<T> set = ImmutableSet.builder();
-        accept(set::add);
-        return set.build();
-    }
-
-    static class StopException extends RuntimeException {
-        private static final long serialVersionUID = -8975705275260458012L;
-        private static final StopException INSTANCE = new StopException();
-
-        @Override
-        public synchronized Throwable fillInStackTrace() {
-            return this;
-        }
-    }
-}

src/test/java/xyz/zhouxy/plusone/commons/domain/ValidatableStringRecordTests.java

@@ -10,11 +10,6 @@ import xyz.zhouxy.plusone.commons.annotation.StaticFactoryMethod;
 import xyz.zhouxy.plusone.commons.annotation.ValueObject;
 import xyz.zhouxy.plusone.commons.constant.PatternConsts;
 
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.Comparator;
-import java.util.List;
-
 class ValidatableStringRecordTests {
 
     private static final Logger log = LoggerFactory.getLogger(ValidatableStringRecordTests.class);
@@ -26,16 +21,6 @@ class ValidatableStringRecordTests {
         String usernameStr = username.value();
         assertNotNull(usernameStr);
         log.info("usernameStr: {}", usernameStr);
-
-        List<Username> usernames = Arrays.asList(
-                Username.of("ZhouXY108"),
-                Username.of("code_108"),
-                Username.of("Luquan"),
-                Username.of("Code108")
-        );
-        log.info("{}", Collections.max(usernames));
-        log.info("{}", Collections.max(usernames,
-                Comparator.<Username, String>comparing(o -> o.value().toLowerCase())));
     }
 }
 

src/test/java/xyz/zhouxy/plusone/commons/net/MoreInetAddressesTests.java

@@ -0,0 +1,28 @@
+package xyz.zhouxy.plusone.commons.net;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+import java.net.NetworkInterface;
+import java.net.SocketException;
+
+import org.junit.jupiter.api.Test;
+
+import cn.hutool.core.net.NetUtil;
+import lombok.extern.slf4j.Slf4j;
+
+@Slf4j
+class MoreInetAddressesTests {
+
+    @Test
+    void testGetNetworkInterfaceInfo() throws SocketException {
+        NetworkInterfaceInfo networkInterfaceInfo = MoreInetAddresses.getNetworkInterfaceInfo();
+        String macStr = networkInterfaceInfo.getMacStr();
+        log.info("mac: {}", macStr);
+        assertEquals(NetUtil.getLocalMacAddress(), macStr);
+        NetworkInterface networkInterface = networkInterfaceInfo.getNetworkInterface();
+        String ipv4 = MoreInetAddresses.getIpv4(networkInterface).getHostAddress();
+        log.info("ipv4: {}", ipv4);
+        String ipv6 = MoreInetAddresses.getIpv6(networkInterface).getHostAddress();
+        log.info("ipv6: {}", ipv6);
+    }
+}

src/test/java/xyz/zhouxy/plusone/commons/seq/SeqTests.java

@@ -1,56 +0,0 @@
-package xyz.zhouxy.plusone.commons.seq;
-
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Set;
-import java.util.TreeSet;
-import java.util.function.Consumer;
-
-import org.junit.jupiter.api.Test;
-
-import com.google.common.collect.ImmutableList;
-
-import lombok.extern.slf4j.Slf4j;
-
-@Slf4j
-class SeqTests {
-
-    @Test
-    void testSeq() {
-        List<Integer> list = ImmutableList.of(108, 2333, 666, 555, 1, 2, 3, 23, 78, 65, 77, 22, 108);
-        List<String> result = new ArrayList<>();
-        Seq<String> targetSeq = new Seq<String>() {
-            @Override
-            public void accept(Consumer<String> c) {
-                list.forEach(t -> {
-                    c.accept(String.valueOf(t + 250));
-                });
-            }
-        };
-        targetSeq.accept(result::add);
-        // list.forEach(t -> {
-        // result.add(t + 250 + "");
-        // });
-        log.info("{}", result);
-
-        for (Integer i : produceEvenNumbers(9)) {
-            System.out.print(i);
-            System.out.print(" ");
-        }
-        System.out.println();
-        
-        Set<String> set = new TreeSet<>();
-        Seq<String> s = result::forEach;
-        s.accept(set::add);
-        log.info("{}", set);
-    }
-
-    Iterable<Integer> produceEvenNumbers(int upto) {
-        Seq<Integer> seq = c -> {
-            for (int i = 0; i <= upto; i += 2) {
-                c.accept(i);
-            }
-        };
-        return seq.toList();
-    }
-}