add method

CHANGELOG.md

@@ -7,6 +7,7 @@
 
 ### 🐣新特性
 * 【system 】     OshiUtil增加getCurrentProcess方法
+* 【extra  】     SpringUtil增加getApplicationName、publishEvent方法（issue#I485NZ@Gitee）
 
 ### 🐞Bug修复
 

hutool-extra/src/main/java/cn/hutool/extra/spring/SpringUtil.java

@@ -10,6 +10,7 @@ import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
 import org.springframework.beans.factory.support.DefaultSingletonBeanRegistry;
 import org.springframework.context.ApplicationContext;
 import org.springframework.context.ApplicationContextAware;
+import org.springframework.context.ApplicationEvent;
 import org.springframework.context.ConfigurableApplicationContext;
 import org.springframework.core.ResolvableType;
 import org.springframework.stereotype.Component;
@@ -77,8 +78,8 @@ public class SpringUtil implements BeanFactoryPostProcessor, ApplicationContextA
 	 * 获取{@link ConfigurableListableBeanFactory}
 	 *
 	 * @return {@link ConfigurableListableBeanFactory}
-	 * @since 5.7.7
 	 * @throws UtilException 当上下文非ConfigurableListableBeanFactory抛出异常
+	 * @since 5.7.7
 	 */
 	public static ConfigurableListableBeanFactory getConfigurableBeanFactory() throws UtilException {
 		final ConfigurableListableBeanFactory factory;
@@ -183,6 +184,16 @@ public class SpringUtil implements BeanFactoryPostProcessor, ApplicationContextA
 		return applicationContext.getEnvironment().getProperty(key);
 	}
 
+	/**
+	 * 获取应用程序名称
+	 *
+	 * @return 应用程序名称
+	 * @since 5.7.12
+	 */
+	public static String getApplicationName() {
+		return getProperty("spring.application.name");
+	}
+
 	/**
 	 * 获取当前的环境配置，无配置返回null
 	 *
@@ -244,6 +255,18 @@ public class SpringUtil implements BeanFactoryPostProcessor, ApplicationContextA
 			throw new UtilException("Can not unregister bean, the factory is not a DefaultSingletonBeanRegistry!");
 		}
 	}
+
+	/**
+	 * 发布事件
+	 *
+	 * @param event the event to publish
+	 * @since 5.7.12
+	 */
+	public static void publishEvent(ApplicationEvent event) {
+		if (null != applicationContext) {
+			applicationContext.publishEvent(event);
+		}
+	}
 }
 
 

hutool-system/src/main/java/cn/hutool/system/oshi/CpuInfo.java

@@ -1,7 +1,6 @@
 package cn.hutool.system.oshi;
 
 import oshi.hardware.CentralProcessor;
-import oshi.util.Util;
 
 import java.text.DecimalFormat;
 
@@ -49,11 +48,19 @@ public class CpuInfo {
 	 */
 	private String cpuModel;
 
+	/**
+	 * CPU型号信息
+	 */
+	private CpuTicks ticks;
+
+	/**
+	 * 空构造
+	 */
 	public CpuInfo() {
 	}
 
 	/**
-	 * 构造
+	 * 构造，等待时间为用于计算在一定时长内的CPU负载情况，如传入1000表示最近1秒的负载情况
 	 *
 	 * @param processor   {@link CentralProcessor}
 	 * @param waitingTime 设置等待时间，单位毫秒
@@ -139,9 +146,16 @@ public class CpuInfo {
 		this.cpuModel = cpuModel;
 	}
 
+	public CpuTicks getTicks() {
+		return ticks;
+	}
+
+	public void setTicks(CpuTicks ticks) {
+		this.ticks = ticks;
+	}
+
 	@Override
 	public String toString() {
-		DecimalFormat format = new DecimalFormat("#.00");
 		return "CpuInfo{" +
 				"cpu核心数=" + cpuNum +
 				", CPU总的使用率=" + toTal +
@@ -149,7 +163,7 @@ public class CpuInfo {
 				", CPU用户使用率=" + used +
 				", CPU当前等待率=" + wait +
 				", CPU当前空闲率=" + free +
-				", CPU利用率=" + Double.parseDouble(format.format((100 - getFree()))) +
+				", CPU利用率=" + LOAD_FORMAT.format(100 - free) +
 				", CPU型号信息='" + cpuModel + '\'' +
 				'}';
 	}
@@ -162,43 +176,18 @@ public class CpuInfo {
 	 * @since 5.7.12
 	 */
 	private void init(CentralProcessor processor, long waitingTime) {
-		// CPU信息
+		final CpuTicks ticks = new CpuTicks(processor, waitingTime);
-		final long[] prevTicks = processor.getSystemCpuLoadTicks();
+		this.ticks = ticks;
-		// 这里必须要设置延迟
-		Util.sleep(waitingTime);
-		final long[] ticks = processor.getSystemCpuLoadTicks();
-		final long nice = tick(prevTicks, ticks, CentralProcessor.TickType.NICE);
-		final long irq = tick(prevTicks, ticks, CentralProcessor.TickType.IRQ);
-		final long softIrq = tick(prevTicks, ticks, CentralProcessor.TickType.SOFTIRQ);
-		final long steal = tick(prevTicks, ticks, CentralProcessor.TickType.STEAL);
-		final long cSys = tick(prevTicks, ticks, CentralProcessor.TickType.SYSTEM);
-		final long user = tick(prevTicks, ticks, CentralProcessor.TickType.USER);
-		final long ioWait = tick(prevTicks, ticks, CentralProcessor.TickType.IOWAIT);
-		// CPU闲置时间
-		final long idle = tick(prevTicks, ticks, CentralProcessor.TickType.IDLE);
 
 		this.cpuNum = processor.getLogicalProcessorCount();
-		final long totalCpu = Math.max(user + nice + cSys + idle + ioWait + irq + softIrq + steal, 0);
-		this.toTal = totalCpu;
-
-		this.sys = formatDouble(cSys, totalCpu);
-		this.used = formatDouble(user, totalCpu);
-		this.wait = formatDouble(ioWait, totalCpu);
-		this.free = formatDouble(idle, totalCpu);
 		this.cpuModel = processor.toString();
-	}
 
-	/**
+		final long totalCpu = ticks.totalCpu();
-	 * 获取一段时间内的CPU负载标记差
+		this.toTal = totalCpu;
-	 *
+		this.sys = formatDouble(ticks.cSys, totalCpu);
-	 * @param prevTicks 开始的ticks
+		this.used = formatDouble(ticks.user, totalCpu);
-	 * @param ticks     结束的ticks
+		this.wait = formatDouble(ticks.ioWait, totalCpu);
-	 * @param tickType  tick类型
+		this.free = formatDouble(ticks.idle, totalCpu);
-	 * @return 标记差
-	 * @since 5.7.12
-	 */
-	private static long tick(long[] prevTicks, long[] ticks, CentralProcessor.TickType tickType) {
-		return ticks[tickType.getIndex()] - prevTicks[tickType.getIndex()];
 	}
 
 	/**

hutool-system/src/main/java/cn/hutool/system/oshi/CpuTicks.java

@@ -0,0 +1,145 @@
+package cn.hutool.system.oshi;
+
+import oshi.hardware.CentralProcessor;
+import oshi.util.Util;
+
+/**
+ * CPU负载时间信息
+ *
+ * @author looly
+ * @since 5.7.12
+ */
+public class CpuTicks {
+
+	long idle;
+	long nice;
+	long irq;
+	long softIrq;
+	long steal;
+	long cSys;
+	long user;
+	long ioWait;
+
+	/**
+	 * 构造，等待时间为用于计算在一定时长内的CPU负载情况，如传入1000表示最近1秒的负载情况
+	 *
+	 * @param processor   {@link CentralProcessor}
+	 * @param waitingTime 设置等待时间，单位毫秒
+	 */
+	public CpuTicks(CentralProcessor processor, long waitingTime) {
+		// CPU信息
+		final long[] prevTicks = processor.getSystemCpuLoadTicks();
+		// 这里必须要设置延迟
+		Util.sleep(waitingTime);
+		final long[] ticks = processor.getSystemCpuLoadTicks();
+
+		this.idle = tick(prevTicks, ticks, CentralProcessor.TickType.IDLE);
+		this.nice = tick(prevTicks, ticks, CentralProcessor.TickType.NICE);
+		this.irq = tick(prevTicks, ticks, CentralProcessor.TickType.IRQ);
+		this.softIrq = tick(prevTicks, ticks, CentralProcessor.TickType.SOFTIRQ);
+		this.steal = tick(prevTicks, ticks, CentralProcessor.TickType.STEAL);
+		this.cSys = tick(prevTicks, ticks, CentralProcessor.TickType.SYSTEM);
+		this.user = tick(prevTicks, ticks, CentralProcessor.TickType.USER);
+		this.ioWait = tick(prevTicks, ticks, CentralProcessor.TickType.IOWAIT);
+	}
+
+	public long getIdle() {
+		return idle;
+	}
+
+	public void setIdle(long idle) {
+		this.idle = idle;
+	}
+
+	public long getNice() {
+		return nice;
+	}
+
+	public void setNice(long nice) {
+		this.nice = nice;
+	}
+
+	public long getIrq() {
+		return irq;
+	}
+
+	public void setIrq(long irq) {
+		this.irq = irq;
+	}
+
+	public long getSoftIrq() {
+		return softIrq;
+	}
+
+	public void setSoftIrq(long softIrq) {
+		this.softIrq = softIrq;
+	}
+
+	public long getSteal() {
+		return steal;
+	}
+
+	public void setSteal(long steal) {
+		this.steal = steal;
+	}
+
+	public long getcSys() {
+		return cSys;
+	}
+
+	public void setcSys(long cSys) {
+		this.cSys = cSys;
+	}
+
+	public long getUser() {
+		return user;
+	}
+
+	public void setUser(long user) {
+		this.user = user;
+	}
+
+	public long getIoWait() {
+		return ioWait;
+	}
+
+	public void setIoWait(long ioWait) {
+		this.ioWait = ioWait;
+	}
+
+	/**
+	 * 获取CPU总的使用率
+	 *
+	 * @return CPU总使用率
+	 */
+	public long totalCpu() {
+		return Math.max(user + nice + cSys + idle + ioWait + irq + softIrq + steal, 0);
+	}
+
+	@Override
+	public String toString() {
+		return "CpuTicks{" +
+				"idle=" + idle +
+				", nice=" + nice +
+				", irq=" + irq +
+				", softIrq=" + softIrq +
+				", steal=" + steal +
+				", cSys=" + cSys +
+				", user=" + user +
+				", ioWait=" + ioWait +
+				'}';
+	}
+
+	/**
+	 * 获取一段时间内的CPU负载标记差
+	 *
+	 * @param prevTicks 开始的ticks
+	 * @param ticks     结束的ticks
+	 * @param tickType  tick类型
+	 * @return 标记差
+	 * @since 5.7.12
+	 */
+	private static long tick(long[] prevTicks, long[] ticks, CentralProcessor.TickType tickType) {
+		return ticks[tickType.getIndex()] - prevTicks[tickType.getIndex()];
+	}
+}

hutool-system/src/test/java/cn/hutool/system/OshiPrintTest.java

@@ -0,0 +1,15 @@
+package cn.hutool.system;
+
+import cn.hutool.core.lang.Console;
+import cn.hutool.system.oshi.OshiUtil;
+import org.junit.Ignore;
+import org.junit.Test;
+
+@Ignore
+public class OshiPrintTest {
+
+	@Test
+	public void printCpuInfo(){
+		Console.log(OshiUtil.getCpuInfo());
+	}
+}