runfeap.java

来自「平面三角形有限元程序」· Java 代码 · 共 85 行

/*
 * runFeap.java
 *
 * Created on 8. Dezember 2002, 20:52
 */

/**
 *
 * @author  uhde
 */

import java.io.*;

public class runFeap {
    
    BufferedWriter output;
    
    /** Creates a new instance of runFeap */
    public runFeap(String cmdline, String feapFile) {
        try {
            //Open Feap Programm
            Process p = Runtime.getRuntime().exec(cmdline);
            // Write something to process
            output = new BufferedWriter(new OutputStreamWriter(p.getOutputStream()));
            command("n");
            // feap input file in homedir !!!!!!!!!!!!!!!!!!!!
            command(feapFile);
            command("");
            command("");
            command("");
            command("y");
            command("tang,,1");
            command("disp,all");
            command("stre,all");
            command("show");
            command("plot");
            command("mesh");

//                // Read something from process
//                String linein = new String();
//                //linein2;
//                BufferedReader input = new BufferedReader(new InputStreamReader(p.getInputStream()));
//                // Maybe parse line per line for a prompt?
//                while((linein = input.readLine()) != null) {
//                   // if (linein2.equals(linein))
//                        System.out.println(linein);
//                }
//                //linein2 = linein;
//                input.close();

        } catch (IOException err) {
                err.printStackTrace();
        }
    }

    /* send command to feap process */
    private void command(String cmd) {
	try {
            String line= cmd + "\n";
            output.write(line,0, line.length());
            output.flush();
	} catch (IOException err) {
            err.printStackTrace();
        }
    }
    /* Exec an feap command */
    public void execCommand(String cmd) {
        command(cmd);
    }
    
    protected void finalize() {
        System.out.println("Bye");
        command("end");
        command("quit");
        command("n");
        try {
            output.close();
        } catch (IOException e) {
            e.printStackTrace();
            // nothing
        }
    }

}