dd

 

// ====  类文件1 JNIJavaHowTo.java ====
import java.io.IOException;
import java.io.PrintStream;
///// 获得当前java程序的pid,并写入到agent.pid文件
//使用方法: String currentProcessId = JNIJavaHowTo.getPID();
public class JNIJavaHowTo {
    public JNIJavaHowTo() { }
    public static void main(String args[]) {
        System.out.println(getPID());
    }
    public static String getPID() {
        JavaHowTo javaHowTo = null;
        try {
            execute("regsvr32.exe /s ./lib/jni2.dll");
            javaHowTo = new JavaHowTo();
        } catch(UnsatisfiedLinkError ex) {
            ex.printStackTrace();
        }
        return (new StringBuffer(String.valueOf(javaHowTo.getCurrentProcessId()))).toString();
    }
    public static String execute(String cmd) {
        Runtime run = Runtime.getRuntime();
        try {
            run.exec(cmd);
        } catch(IOException e) {
            e.printStackTrace();
        }
        return null;
    }
}
// ====  类文件2  JavaHowTo.java  ====
class JavaHowTo {
    JavaHowTo()  { }
    public native long getCurrentProcessId();
    static {
        System.loadLibrary("./lib/jni2");
    }
}

//jox-1.16.jar  是一个javabean和XML文件转换的包;