99 lines
3.9 KiB
Java
99 lines
3.9 KiB
Java
package net.ME1312.SubServers.Bungee.Host;
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import net.ME1312.Galaxi.Library.Platform;
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import net.ME1312.Galaxi.Library.Util;
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import net.ME1312.SubServers.Bungee.Library.Compatibility.JNA;
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import java.io.File;
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import java.io.IOException;
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/**
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* Executable Handler Class
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*/
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public class Executable {
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private Executable() {}
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/**
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* Format a command to be executed
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*
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* @param gitbash Git Bash location (optional)
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* @param exec Executable String
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* @return
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*/
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public static String[] parse(String gitbash, String exec) {
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if (exec.startsWith("java ")) {
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exec = '\"' + System.getProperty("java.home") + File.separator + "bin" + File.separator + "java" + '\"' + exec.substring(4);
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}
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String[] cmd;
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if (System.getProperty("os.name").toLowerCase().startsWith("windows")) {
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if (gitbash != null && (exec.toLowerCase().startsWith("bash ") || exec.toLowerCase().startsWith("sh ")))
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exec = '"' + gitbash + ((gitbash.endsWith(File.separator))?"":File.separator) + "bin" + File.separatorChar + "sh.exe\" -lc \"" +
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exec.replace("\\", "/\\").replace("\"", "\\\"").replace("^", "^^").replace("%", "^%").replace("&", "^&").replace("<", "^<").replace(">", "^>").replace("|", "^|") + '"';
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cmd = new String[]{"cmd.exe", "/q", "/c", '"'+exec+'"'};
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} else {
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cmd = new String[]{"sh", "-lc", exec};
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}
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return cmd;
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}
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/**
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* Get the PID of a currently running process
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*
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* @param process Process
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* @return Process ID (null if unknown)
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*/
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@SuppressWarnings("JavaReflectionMemberAccess")
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public static Long pid(Process process) {
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if (process.isAlive()) {
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try { // Java 9 Standard
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return (long) Process.class.getMethod("pid").invoke(process);
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} catch (Throwable e) {
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try { // Java 8 Not-so-standard
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Object response = Util.reflect(process.getClass().getDeclaredField("pid"), process);
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if (response instanceof Number) {
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return ((Number) response).longValue();
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} else throw e;
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} catch (Throwable e2) {
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if (Platform.getSystem() == Platform.WINDOWS) try {
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long handle = Util.reflect(process.getClass().getDeclaredField("handle"), process);
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ClassLoader jna = JNA.get();
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Class<?> pc = jna.loadClass("com.sun.jna.Pointer"),
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ntc = jna.loadClass("com.sun.jna.platform.win32.WinNT$HANDLE"),
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k32c = jna.loadClass("com.sun.jna.platform.win32.Kernel32");
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Object k32 = k32c.getField("INSTANCE").get(null),
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nt = ntc.getConstructor().newInstance();
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ntc.getMethod("setPointer", pc).invoke(nt, pc.getMethod("createConstant", long.class).invoke(null, handle));
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return ((Number) k32c.getMethod("GetProcessId", ntc).invoke(k32, nt)).longValue();
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} catch (Throwable e3) {
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// No way to find pid, I suppose.
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}
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}
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}
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}
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return null;
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}
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/**
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* Terminate a currently running process
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*
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* @param process Process
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*/
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public static void terminate(Process process) {
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if (process.isAlive()) {
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Long pid = pid(process);
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if (pid != null) try {
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if (Platform.getSystem() == Platform.WINDOWS) {
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Runtime.getRuntime().exec(new String[]{"taskkill.exe", "/T", "/F", "/PID", pid.toString()}).waitFor();
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}
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} catch (IOException | InterruptedException e) {}
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if (process.isAlive()) {
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process.destroyForcibly();
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}
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}
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}
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}
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