package com.iailab.netsdk.lib;
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import com.sun.jna.IntegerType;
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import com.sun.jna.Native;
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import com.sun.jna.Platform;
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import com.sun.jna.Structure;
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import java.lang.reflect.Field;
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import java.lang.reflect.Modifier;
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import java.text.SimpleDateFormat;
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import java.util.ArrayList;
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import java.util.List;
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public class Utils {
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public Utils() {
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}
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/**
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* 获取系统对应的编码
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*
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*/
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public static String getPlatformEncode() {
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String encode = "";
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String osPrefix = getOsPrefix();
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if (osPrefix.toLowerCase().startsWith("win32")) {
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encode = "GBK";
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} else if (osPrefix.toLowerCase().startsWith("linux")) {
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encode = "UTF-8";
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}else if(osPrefix.toLowerCase().startsWith("mac")){
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encode="UTF-8";
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}
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if(encode.isEmpty()){
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encode="UTF-8";
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}
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return encode;
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}
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// 获取操作平台信息
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public static String getOsPrefix() {
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String arch = System.getProperty("os.arch").toLowerCase();
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final String name = System.getProperty("os.name");
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String osPrefix;
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switch (Platform.getOSType()) {
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case Platform.WINDOWS: {
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if ("i386".equals(arch))
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arch = "x86";
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osPrefix = "win32-" + arch;
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}
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break;
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case Platform.LINUX: {
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if ("x86".equals(arch)) {
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arch = "i386";
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} else if ("x86_64".equals(arch)) {
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arch = "amd64";
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}
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osPrefix = "linux-" + arch;
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}
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break;
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case Platform.MAC: {
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//mac系统的os.arch都是ppc(老版本的mac是powerpc，已经基本不用)看不出系统位数，使用下面的参数表示
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arch = System.getProperty("sun.arch.data.model");
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osPrefix = "mac-" + arch;
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}
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break;
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default: {
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osPrefix = name.toLowerCase();
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if ("x86".equals(arch)) {
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arch = "i386";
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}
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if ("x86_64".equals(arch)) {
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arch = "amd64";
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}
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int space = osPrefix.indexOf(" ");
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if (space != -1) {
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osPrefix = osPrefix.substring(0, space);
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}
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osPrefix += "-" + arch;
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}
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break;
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}
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return osPrefix;
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}
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public static String getOsName() {
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String osName = "";
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String osPrefix = getOsPrefix();
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if (osPrefix.toLowerCase().startsWith("win32-x86")
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|| osPrefix.toLowerCase().startsWith("win32-amd64")) {
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osName = "win";
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} else if (osPrefix.toLowerCase().startsWith("linux-i386")
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|| osPrefix.toLowerCase().startsWith("linux-amd64")) {
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osName = "linux";
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} else if (osPrefix.toLowerCase().startsWith("mac-64")
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|| osPrefix.toLowerCase().startsWith("mac-32")) {
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osName = "mac";
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}
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return osName;
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}
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// 获取加载库
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public static String getLoadLibrary(String library) {
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if (isChecking()) {
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return null;
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}
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String loadLibrary = "";
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String osPrefix = getOsPrefix();
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if (osPrefix.toLowerCase().startsWith("win32-x86")) {
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loadLibrary = "./libs/win32/";
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} else if (osPrefix.toLowerCase().startsWith("win32-amd64")) {
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loadLibrary = "./libs/win64/";
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} else if (osPrefix.toLowerCase().startsWith("linux-i386")) {
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loadLibrary = "";
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} else if (osPrefix.toLowerCase().startsWith("linux-amd64")) {
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loadLibrary = "";
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} else if (osPrefix.toLowerCase().startsWith("mac-64")) {
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loadLibrary = "";
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}
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// else if(osPrefix.toLowerCase().startsWith("mac-32")) {
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// loadLibrary = "";
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// } 32位mac版本基本没人用了，暂时不用
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System.out.printf("加载库[%s]\n", loadLibrary + library);
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return loadLibrary + library;
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}
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private static boolean checking = false;
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public static void setChecking() {
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checking = true;
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}
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public static void clearChecking() {
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checking = false;
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}
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public static boolean isChecking() {
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return checking;
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}
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public static class LLong extends IntegerType {
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private static final long serialVersionUID = 1L;
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/**
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* Size of a native long, in bytes.
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*/
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public static int size;
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static {
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size = Native.LONG_SIZE;
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if (Utils.getOsPrefix().toLowerCase().equals("linux-amd64")
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|| Utils.getOsPrefix().toLowerCase().equals("win32-amd64")
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|| Utils.getOsPrefix().toLowerCase().equals("mac-64")) {
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size = 8;
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} else if (Utils.getOsPrefix().toLowerCase().equals("linux-i386")
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|| Utils.getOsPrefix().toLowerCase().equals("win32-x86")) {
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size = 4;
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}
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}
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/**
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* Create a zero-valued LLong.
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*/
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public LLong() {
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this(0);
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}
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/**
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* Create a LLong with the given value.
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*/
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public LLong(long value) {
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super(size, value);
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}
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}
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public static class SdkStructure extends Structure {
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@Override
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protected List<String> getFieldOrder() {
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List<String> fieldOrderList = new ArrayList<String>();
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for (Class<?> cls = getClass();
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!cls.equals(NetSDKLib.SdkStructure.class);
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cls = cls.getSuperclass()) {
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Field[] fields = cls.getDeclaredFields();
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int modifiers;
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for (Field field : fields) {
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modifiers = field.getModifiers();
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if (Modifier.isStatic(modifiers) || !Modifier.isPublic(modifiers)) {
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continue;
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}
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fieldOrderList.add(field.getName());
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}
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}
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// System.out.println(fieldOrderList);
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return fieldOrderList;
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}
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}
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// 获取当前时间
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public static String getDate() {
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SimpleDateFormat simpleDate = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
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return simpleDate.format(new java.util.Date())
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.replace(" ", "_").replace(":", "-");
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}
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}
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