JikesWrapper.java
| Index Score | ||
|---|---|---|
 |
 |
util |
 |
 |
XNap 2 |
View: Reasons, Metrics, Source Code
These are the metrics that contribute to the Enerjy Score for this file, ranked by impact. So the metrics listed at the top influence the score to a greater extent that the metrics listed at the bottom.
| Metric | Description | |
|---|---|---|
/*
* JikesWrapper
*
* A wrapper to use jikes incremental mode with Emacs.
*
* Copyright by Steffen Pingel.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
import java.io.*;
import java.net.*;
import java.util.*;
public class JikesWrapper
{
//--- Constant(s) ---
public static final int SERVER_PORT = 10000;
//--- Data field(s) ---
protected Object lock = new Object();
//--- Constructor(s) ---
public JikesWrapper(String[] argv)
{
Socket socket = null;
try {
socket = new Socket("127.0.0.1", SERVER_PORT);
runJikes(socket);
}
catch (IOException e) {
DaemonRunner d = new DaemonRunner(argv);
Thread t = new Thread(d);
t.setDaemon(false);
t.start();
}
}
//--- Method(s) ---
public void runJikes(Socket socket)
{
try {
BufferedReader in = new BufferedReader
(new InputStreamReader(socket.getInputStream()));
BufferedWriter out = new BufferedWriter
(new OutputStreamWriter(socket.getOutputStream()));
out.write("\n");
out.flush();
String s;
while ((s = in.readLine()) != null) {
System.out.println(s);
if (s.startsWith("Incremental:")) {
System.exit(0);
}
}
}
catch (Exception e) {
System.exit(1);
}
}
public static void main(String[] argv)
{
if (argv.length == 0) {
System.err.println("usage: java JikesWrapper jikes args");
}
JikesWrapper jw = new JikesWrapper(argv);
}
//--- Inner Class(es) ---
public class DaemonRunner implements Runnable
{
String[] args;
public DaemonRunner(String[] args)
{
this.args = args;
}
public void run()
{
Process process = null;
ServerSocket server = null;
try {
// start jikes
process = Runtime.getRuntime().exec(args);
}
catch (IOException e) {
System.err.println(e.getMessage());
System.exit(1);
}
try {
server = new ServerSocket(SERVER_PORT);
}
catch (IOException e) {
System.err.println(e.getMessage());
System.exit(1);
}
while (true) {
System.out.println("waiting for connectionn");
try {
Socket socket = server.accept();
synchronized (lock) {
startWriter(process.getInputStream(),
socket.getOutputStream());
startWriter(process.getErrorStream(),
socket.getOutputStream());
startWriter(socket.getInputStream(),
process.getOutputStream());
try {
lock.wait();
}
catch (InterruptedException ine) {
}
}
}
catch (IOException e) {
}
}
}
public void startWriter(InputStream in, OutputStream out)
{
Writer w = new Writer(in, out);
Thread t = new Thread(w);
t.start();
}
}
public class Writer implements Runnable
{
protected InputStream inStream;
protected OutputStream outStream;
public Writer(InputStream inStream, OutputStream outStream)
{
this.inStream = inStream;
this.outStream = outStream;
}
public void run()
{
try {
BufferedReader in = new BufferedReader
(new InputStreamReader(inStream));
BufferedWriter out = new BufferedWriter
(new OutputStreamWriter(outStream));
String s;
while ((s = in.readLine()) != null) {
System.out.println("read: " + s);
out.write(s);
out.write("\n");
out.flush();
}
}
catch (IOException e) {
}
synchronized (lock) {
lock.notifyAll();
}
}
}
}
The table below shows all metrics for JikesWrapper.java.
| Metric | Value | Description | |
|---|---|---|---|