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/*
* Copyright 2017 ~ 2025 the original author or authors. James Wong
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.wl4g.infra.common.lang;
import static com.google.common.base.Charsets.UTF_8;
import static com.google.common.hash.Hashing.md5;
import static com.wl4g.infra.common.lang.Assert2.hasText;
import static com.wl4g.infra.common.log.SmartLoggerFactory.getLogger;
import static java.net.NetworkInterface.getNetworkInterfaces;
import static java.util.Collections.list;
import static java.util.Collections.sort;
import static java.util.Objects.isNull;
import static java.util.Objects.nonNull;
import static org.apache.commons.lang3.StringUtils.contains;
import static org.apache.commons.lang3.StringUtils.isBlank;
import static org.apache.commons.lang3.StringUtils.split;
import java.io.File;
import java.lang.management.ManagementFactory;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.util.Arrays;
import java.util.Iterator;
import java.util.List;
import org.apache.commons.lang3.SystemUtils;
import com.wl4g.infra.common.log.SmartLogger;
/**
* System utility tools
*
* @author wangl.sir
* @version v1.0 2018年5月28日
* @since
*/
public abstract class SystemUtils2 extends SystemUtils {
final private static SmartLogger log = getLogger(SystemUtils2.class);
// --- OS platform info. ---
/**
* Current operating system is Android.
*/
public static final boolean IS_ANDRIOD = isAndroid0();
/**
* Check whether the current operating system is Android.
*/
private static boolean isAndroid0() {
return System.getProperty("java.runtime.name", "").toLowerCase().contains("android");
}
// --- Runtime system info. ---
/**
* Local current application process ID
*/
public static final String LOCAL_PROCESS_ID = localProcessId0();
/**
* Global unique host hardware MAC identification.
*/
public static final String GLOBAL_HOST_SERIAL = globalHostSerial0();
/**
* Global unique identity of current application.
*/
public static final String GLOBAL_APP_SERIAL = globalAppSerial0();
/**
* Global unique identification of current application process
*/
public static final String GLOBAL_PROCESS_SERIAL = globalProcessSerial0();
/**
* Obtain local application processId.
*
* @return
*/
private static String localProcessId0() {
return ManagementFactory.getRuntimeMXBean().getName().split("@")[0];
}
/**
* (Default)Obtain local host hardware MAC address identity.
*
* @return
*/
private static String globalHostSerial0() {
// Gets MAC address information of network card
try {
List nis = list(getNetworkInterfaces());
// Ascii dict sort.
sort(nis, (o1, o2) -> o1.getName().compareTo(o2.getName()));
byte[] mac = null;
for (NetworkInterface ni : nis) {
if (nonNull(ni) && !ni.isLoopback() && ni.isUp()) {
mac = ni.getHardwareAddress();
if (nonNull(mac)) {
break;
}
}
}
if (isNull(mac)) { // No configured network?
log.error("=>> Failed to get network card info. the OS not configured network or connected to the network?");
return "Unknown Network";
}
StringBuffer sb = new StringBuffer(32);
for (int i = 0; i < mac.length; i++) {
if (i != 0) {
sb.append("-");
}
// Byte to integer
int temp = mac[i] & 0xff;
String str = Integer.toHexString(temp);
if (str.length() == 1)
sb.append("0" + str);
else
sb.append(str);
}
return sb.toString().toLowerCase().replaceAll("-", "");
} catch (SocketException e) {
throw new IllegalStateException(e);
}
}
/**
* Obtain global application identity.
*
* @return
*/
@SuppressWarnings("deprecation")
private static String globalAppSerial0() {
hasText(GLOBAL_HOST_SERIAL, "HostSerial is empty.");
String packagePath = SystemUtils2.class.getProtectionDomain().getCodeSource().getLocation().toString();
return md5().hashString(GLOBAL_HOST_SERIAL + packagePath, UTF_8).toString();
}
/**
* Obtain global application identity.
*
* @return
*/
private static String globalProcessSerial0() {
hasText(GLOBAL_APP_SERIAL, "LocalAppSerial is empty.");
hasText(LOCAL_PROCESS_ID, "LocalProcessId is empty.");
return GLOBAL_APP_SERIAL + String.format("%05d", Integer.parseInt(LOCAL_PROCESS_ID));
}
/**
* System path invalid path cleanup.
* WINDOWS:
*
*
* cleanSystemPath("E:\\dir\\") == E:\dir
* cleanSystemPath("E:\\log\\a.log\\") == E:\log\a.log
*
*
* UNIX:
*
*
* cleanSystemPath("/var/dir//") == /var/dir
* cleanSystemPath("/var/log//a.log/") == /var/log/a.log
*
*
* @param systemPath
* @return
*/
public static String cleanSystemPath(String systemPath) {
if (isBlank(systemPath) || !contains(systemPath, File.separator)) {
return systemPath;
}
// Clean invalid suffix path separator.
StringBuffer path = new StringBuffer();
Iterator it = Arrays.asList(split(systemPath, File.separator)).iterator();
while (it.hasNext()) {
String part = it.next();
if (!isBlank(part)) {
path.append(part);
if (it.hasNext()) {
path.append(File.separator);
}
}
}
return path.toString();
}
}