x

src/main/java/com/egolm/shop/util/Usage.java

@@ -21,9 +21,29 @@ import org.hyperic.sigar.Sigar;
 import org.hyperic.sigar.SigarException;
 import org.hyperic.sigar.Swap;
 
+import com.alibaba.fastjson.JSON;
+
+/**
+ * 
+ * 使用此类前,请先将hyperic-sigar运行库添加至系统变量PATH下
+ * hyperic-sigar版本1.6.4(与pom.xml中 sigar.jar 版本保持一致)
+ * @author Quxl
+ *
+ */
 public class Usage {
 	
+	public static void main(String[] args) throws SigarException {
+		System.out.println(JSON.toJSONString(new Usage().get()));
+	}
+	
 	private final Log logger = LogFactory.getLog(Usage.class);
+	
+	private Sigar sigar = null;
+	
+	public Usage() throws SigarException {
+		Sigar.load();
+		sigar = new Sigar();
+	}
 
 	public Map<String, ?> get() {
 		Map<String, Object> map = new LinkedHashMap<String, Object>();
@@ -86,7 +106,6 @@ public class Usage {
 	private Map<String, Object> getMemoryInfo() {
 		Map<String, Object> map = new LinkedHashMap<String, Object>();
 		try {
-			Sigar sigar = new Sigar();
 			Mem mem = sigar.getMem();
 			Swap swap = sigar.getSwap();
 			map.put("内存总量", mem.getTotal() / 1024L + "K av");
@@ -104,7 +123,6 @@ public class Usage {
 	private List<Map<String, Object>> getCpuInfo() {
 		List<Map<String, Object>> list = new ArrayList<Map<String, Object>>();
 		try {
-			Sigar sigar = new Sigar();
 			CpuInfo infos[] = sigar.getCpuInfoList();
 			CpuPerc cpuList[] = null;
 			cpuList = sigar.getCpuPercList();
@@ -135,7 +153,6 @@ public class Usage {
 	private List<Map<String, Object>> getFileSystemInfo() {
 		List<Map<String, Object>> list = new ArrayList<Map<String, Object>>();
 		try {
-			Sigar sigar = new Sigar();
 			FileSystem fslist[] = sigar.getFileSystemList();
 			for (int i = 0; i < fslist.length; i++) {
 				Map<String, Object> map = new LinkedHashMap<String, Object>();
@@ -188,7 +205,6 @@ public class Usage {
 	private List<Map<String, Object>> getNetworkInfo() {
 		List<Map<String, Object>> list = new ArrayList<Map<String, Object>>();
 		try {
-			Sigar sigar = new Sigar();
 			String ifNames[] = sigar.getNetInterfaceList();
 			for (int i = 0; i < ifNames.length; i++) {
 				Map<String, Object> map = new LinkedHashMap<String, Object>();