Examples of java.lang.Process

java.lang.Process
The {@link ProcessBuilder#start()} and{@link Runtime#exec(String[],String[],File) Runtime.exec}methods create a native process and return an instance of a subclass of Process that can be used to control the process and obtain information about it. The class Process provides methods for performing input from the process, performing output to the process, waiting for the process to complete, checking the exit status of the process, and destroying (killing) the process.
The methods that create processes may not work well for special processes on certain native platforms, such as native windowing processes, daemon processes, Win16/DOS processes on Microsoft Windows, or shell scripts. The created subprocess does not have its own terminal or console. All its standard io (i.e. stdin, stdout, stderr) operations will be redirected to the parent process through three streams ( {@link #getOutputStream()}, {@link #getInputStream()}, {@link #getErrorStream()}). The parent process uses these streams to feed input to and get output from the subprocess. Because some native platforms only provide limited buffer size for standard input and output streams, failure to promptly write the input stream or read the output stream of the subprocess may cause the subprocess to block, and even deadlock.
The subprocess is not killed when there are no more references to the Process object, but rather the subprocess continues executing asynchronously.
There is no requirement that a process represented by a Process object execute asynchronously or concurrently with respect to the Java process that owns the Process object. @author unascribed @version 1.25, 03/30/06 @see ProcessBuilder @see Runtime#exec(String[],String[],File) @since JDK1.0

        for (int i=0; i < args.length; i++) {
            cmd.addElement(args[i]);
        }
        String command = concatenate((String[]) cmd.toArray(new String[0]));


        Process pr = null;


        try
        {
            pr = Runtime.getRuntime().exec(command);
            BackgroundStreamSaver saver = 
                        new BackgroundStreamSaver(pr.getInputStream(), System.out);
            saver.finish();
            pr.waitFor();
            pr.destroy();
        } catch(Throwable t) {
            System.out.println("Process exception: " + t.getMessage());
            if (pr != null)
            {
                pr.destroy();
                pr = null;
            }
        }
    }

View Full Code Here

     */
    Runtime rt = null;
    BufferedReader commandsStdOut = null;
    BufferedReader commandsStdErr = null;
    BufferedOutputStream commandsStdIn = null;
    Process proc = null;
    byte[] bBuf = new byte[1024];
    char[] cBuf = new char[1024];
    int bufRead = -1;


    //create query arguments
    Enumeration paramNames = params.keys();
    StringBuffer cmdAndArgs = new StringBuffer(command);
    if (paramNames != null && paramNames.hasMoreElements()) {
        cmdAndArgs.append(" ");
        while (paramNames.hasMoreElements()) {
            String k = (String) paramNames.nextElement();
            String v = params.get(k).toString();
            if ((k.indexOf("=") < 0) && (v.indexOf("=") < 0)) {
                cmdAndArgs.append(k);
                cmdAndArgs.append("=");
                v = java.net.URLEncoder.encode(v);
                cmdAndArgs.append(v);
                cmdAndArgs.append(" ");
            }
        }
    }


    String postIn = getPostInput(params);
    int contentLength = (postIn.length()
            + System.getProperty("line.separator").length());
    if ("POST".equals(env.get("REQUEST_METHOD"))) {
        env.put("CONTENT_LENGTH", new Integer(contentLength));
    }


    rt = Runtime.getRuntime();
    proc = rt.exec(cmdAndArgs.toString(), hashToStringArray(env), wd);




    /*
     * provide input to cgi
     * First  -- parameters
     * Second -- any remaining input
     */
    commandsStdIn = new BufferedOutputStream(proc.getOutputStream());
    if (debug >= 2 ) {
        log("runCGI stdin=[" + stdin + "], qs="
            + env.get("QUERY_STRING"));
    }
    if ("POST".equals(env.get("REQUEST_METHOD"))) {
        if (debug >= 2) {
            log("runCGI: writing ---------------\n");
            log(postIn);
            log("runCGI: new content_length=" + contentLength
                + "---------------\n");
        }
        commandsStdIn.write(postIn.getBytes());
    }
    if (stdin != null) {
        //REMIND: document this
        /* assume if nothing is available after a time, that nothing is
         * coming...
         */
        if (stdin.available() <= 0) {
            if (debug >= 2 ) {
                log("runCGI stdin is NOT available ["
                    + stdin.available() + "]");
            }
            try {
                Thread.sleep(iClientInputTimeout);
            } catch (InterruptedException ignored) {
            }
        }
        if (stdin.available() > 0) {
            if (debug >= 2 ) {
                log("runCGI stdin IS available ["
                    + stdin.available() + "]");
            }
            bBuf = new byte[1024];
            bufRead = -1;
            try {
                while ((bufRead = stdin.read(bBuf)) != -1) {
                    if (debug >= 2 ) {
                        log("runCGI: read [" + bufRead
                            + "] bytes from stdin");
                    }
                    commandsStdIn.write(bBuf, 0, bufRead);
                }
                if (debug >= 2 ) {
                    log("runCGI: DONE READING from stdin");
                }
            } catch (IOException ioe) {
                //REMIND: replace with logging
                //REMIND: should I throw this exception?
                log("runCGI: couldn't write all bytes.");
                ioe.printStackTrace();
            }
        }
    }
    commandsStdIn.flush();
    commandsStdIn.close();


    /* we want to wait for the process to exit,  Process.waitFor()
     * is useless in our situation; see
     * http://developer.java.sun.com/developer/
     *                               bugParade/bugs/4223650.html
     */


    boolean isRunning = true;
    commandsStdOut = new BufferedReader
        (new InputStreamReader(proc.getInputStream()));
    commandsStdErr = new BufferedReader
        (new InputStreamReader(proc.getErrorStream()));
    BufferedWriter servletContainerStdout = null;


    try {
        if (response.getOutputStream() != null) {
            servletContainerStdout =
                new BufferedWriter(new OutputStreamWriter
                    (response.getOutputStream()));
        }
    } catch (IOException ignored) {
        //NOOP: no output will be written
    }


    while (isRunning) {


        try {
            //read stderr first
            cBuf = new char[1024];
            while ((bufRead = commandsStdErr.read(cBuf)) != -1) {
                if (servletContainerStdout != null) {
                    servletContainerStdout.write(cBuf, 0, bufRead);
                }
            }


            //set headers
            String line = null;
            while (((line = commandsStdOut.readLine()) != null)
                   && !("".equals(line))) {
                if (debug >= 2) {
                    log("runCGI: addHeader(\"" + line + "\")");
                }
                if (line.startsWith("HTTP")) {
                    //TODO: should set status codes (NPH support)
                    /*
                     * response.setStatus(getStatusCode(line));
                     */
                } else {
                    response.addHeader
                        (line.substring(0, line.indexOf(":")).trim(),
                         line.substring(line.indexOf(":") + 1).trim());
                }
            }


            //write output
            cBuf = new char[1024];
            while ((bufRead = commandsStdOut.read(cBuf)) != -1) {
                if (servletContainerStdout != null) {
                    if (debug >= 4) {
                        log("runCGI: write(\"" + cBuf.toString() + "\")");
                    }
                    servletContainerStdout.write(cBuf, 0, bufRead);
                }
            }


            if (servletContainerStdout != null) {
                servletContainerStdout.flush();
            }


            proc.exitValue(); // Throws exception if alive


            isRunning = false;


        } catch (IllegalThreadStateException e) {
            try {

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      }
  }


  // no synchronization to avoid delay wrt getInstantiator
  void shutdownFast() {
      Process p = child;
      if (p != null) {
    p.destroy();
      }
  }

View Full Code Here

    public void setDaemon(boolean isDaemon) {
  this.isDaemon = isDaemon;
    }
  
    public void destroy() {
  Process proc = getProcess();
  if (proc != null)
      proc.destroy();
    }

View Full Code Here

     */
    Runtime rt = null;
    BufferedReader commandsStdOut = null;
    BufferedReader commandsStdErr = null;
    BufferedOutputStream commandsStdIn = null;
    Process proc = null;
    byte[] bBuf = new byte[1024];
    char[] cBuf = new char[1024];
    int bufRead = -1;


    //create query arguments
    Enumeration paramNames = params.keys();
    StringBuffer cmdAndArgs = new StringBuffer(command);
    if (paramNames != null && paramNames.hasMoreElements()) {
        cmdAndArgs.append(" ");
        while (paramNames.hasMoreElements()) {
            String k = (String) paramNames.nextElement();
            String v = params.get(k).toString();
            if ((k.indexOf("=") < 0) && (v.indexOf("=") < 0)) {
                cmdAndArgs.append(k);
                cmdAndArgs.append("=");
                v = java.net.URLEncoder.encode(v);
                cmdAndArgs.append(v);
                cmdAndArgs.append(" ");
            }
        }
    }


    String postIn = getPostInput(params);
    int contentLength = (postIn.length()
            + System.getProperty("line.separator").length());
    if ("POST".equals(env.get("REQUEST_METHOD"))) {
        env.put("CONTENT_LENGTH", new Integer(contentLength));
    }


    rt = Runtime.getRuntime();
    proc = rt.exec(cmdAndArgs.toString(), hashToStringArray(env), wd);




    /*
     * provide input to cgi
     * First  -- parameters
     * Second -- any remaining input
     */
    commandsStdIn = new BufferedOutputStream(proc.getOutputStream());
    if (debug >= 2 ) {
        log("runCGI stdin=[" + stdin + "], qs="
            + env.get("QUERY_STRING"));
    }
    if ("POST".equals(env.get("REQUEST_METHOD"))) {
        if (debug >= 2) {
            log("runCGI: writing ---------------\n");
            log(postIn);
            log("runCGI: new content_length=" + contentLength
                + "---------------\n");
        }
        commandsStdIn.write(postIn.getBytes());
    }
    if (stdin != null) {
        //REMIND: document this
        /* assume if nothing is available after a time, that nothing is
         * coming...
         */
        if (stdin.available() <= 0) {
            if (debug >= 2 ) {
                log("runCGI stdin is NOT available ["
                    + stdin.available() + "]");
            }
            try {
                Thread.sleep(iClientInputTimeout);
            } catch (InterruptedException ignored) {
            }
        }
        if (stdin.available() > 0) {
            if (debug >= 2 ) {
                log("runCGI stdin IS available ["
                    + stdin.available() + "]");
            }
            bBuf = new byte[1024];
            bufRead = -1;
            try {
                while ((bufRead = stdin.read(bBuf)) != -1) {
                    if (debug >= 2 ) {
                        log("runCGI: read [" + bufRead
                            + "] bytes from stdin");
                    }
                    commandsStdIn.write(bBuf, 0, bufRead);
                }
                if (debug >= 2 ) {
                    log("runCGI: DONE READING from stdin");
                }
            } catch (IOException ioe) {
                //REMIND: replace with logging
                //REMIND: should I throw this exception?
                log("runCGI: couldn't write all bytes.");
                ioe.printStackTrace();
            }
        }
    }
    commandsStdIn.flush();
    commandsStdIn.close();


    /* we want to wait for the process to exit,  Process.waitFor()
     * is useless in our situation; see
     * http://developer.java.sun.com/developer/
     *                               bugParade/bugs/4223650.html
     */


    boolean isRunning = true;
    commandsStdOut = new BufferedReader
        (new InputStreamReader(proc.getInputStream()));
    commandsStdErr = new BufferedReader
        (new InputStreamReader(proc.getErrorStream()));
    BufferedWriter servletContainerStdout = null;


    try {
        if (response.getOutputStream() != null) {
            servletContainerStdout =
                new BufferedWriter(new OutputStreamWriter
                    (response.getOutputStream()));
        }
    } catch (IOException ignored) {
        //NOOP: no output will be written
    }


    while (isRunning) {


        try {
            //read stderr first
            cBuf = new char[1024];
            while ((bufRead = commandsStdErr.read(cBuf)) != -1) {
                if (servletContainerStdout != null) {
                    servletContainerStdout.write(cBuf, 0, bufRead);
                }
            }


            //set headers
            String line = null;
            while (((line = commandsStdOut.readLine()) != null)
                   && !("".equals(line))) {
                if (debug >= 2) {
                    log("runCGI: addHeader(\"" + line + "\")");
                }
                if (line.startsWith("HTTP")) {
                    //TODO: should set status codes (NPH support)
                    /*
                     * response.setStatus(getStatusCode(line));
                     */
                } else {
                    response.addHeader
                        (line.substring(0, line.indexOf(":")).trim(),
                         line.substring(line.indexOf(":") + 1).trim());
                }
            }


            //write output
            cBuf = new char[1024];
            while ((bufRead = commandsStdOut.read(cBuf)) != -1) {
                if (servletContainerStdout != null) {
                    if (debug >= 4) {
                        log("runCGI: write(\"" + cBuf.toString() + "\")");
                    }
                    servletContainerStdout.write(cBuf, 0, bufRead);
                }
            }


            if (servletContainerStdout != null) {
                servletContainerStdout.flush();
            }


            proc.exitValue(); // Throws exception if alive


            isRunning = false;


        } catch (IllegalThreadStateException e) {
            try {

View Full Code Here

             */
            Runtime rt = null;
            BufferedReader commandsStdOut = null;
            BufferedReader commandsStdErr = null;
            BufferedOutputStream commandsStdIn = null;
            Process proc = null;
            byte[] bBuf = new byte[1024];
            char[] cBuf = new char[1024];
            int bufRead = -1;


            //create query arguments
            Enumeration paramNames = params.keys();
            StringBuffer cmdAndArgs = new StringBuffer(command);
            if (paramNames != null && paramNames.hasMoreElements()) {
                cmdAndArgs.append(" ");
                while (paramNames.hasMoreElements()) {
                    String k = (String) paramNames.nextElement();
                    String v = params.get(k).toString();
                    if ((k.indexOf("=") < 0) && (v.indexOf("=") < 0)) {
                        cmdAndArgs.append(k);
                        cmdAndArgs.append("=");
                        v = java.net.URLEncoder.encode(v);
                        cmdAndArgs.append(v);
                        cmdAndArgs.append(" ");
                    }
                }
            }


            /*String postIn = getPostInput(params);
            int contentLength = (postIn.length()
                    + System.getProperty("line.separator").length());
            if ("POST".equals(env.get("REQUEST_METHOD"))) {
                env.put("CONTENT_LENGTH", new Integer(contentLength));
            }*/


        StringBuffer perlCommand = new StringBuffer("perl ");
        if (command.endsWith(".pl") || command.endsWith(".cgi")) {
            perlCommand.append(cmdAndArgs.toString());
            cmdAndArgs = perlCommand;
        }


            rt = Runtime.getRuntime();
            proc = rt.exec(cmdAndArgs.toString(), hashToStringArray(env), wd);


            /*
             * provide input to cgi
             * First  -- parameters
             * Second -- any remaining input
             */
            /*commandsStdIn = new BufferedOutputStream(proc.getOutputStream());
            if (debug >= 2 ) {
                log("runCGI stdin=[" + stdin + "], qs="
                    + env.get("QUERY_STRING"));
            }
            if ("POST".equals(env.get("REQUEST_METHOD"))) {
                if (debug >= 2) {
                    log("runCGI: writing ---------------\n");
                    log(postIn);
                    log("runCGI: new content_length=" + contentLength
                        + "---------------\n");
                }
                commandsStdIn.write(postIn.getBytes());
            }
            if (stdin != null) {
                //REMIND: document this
                /* assume if nothing is available after a time, that nothing is
                 * coming...
                 */
                /*if (stdin.available() <= 0) {
                    if (debug >= 2 ) {
                        log("runCGI stdin is NOT available ["
                            + stdin.available() + "]");
                    }
                    try {
                        Thread.currentThread().sleep(iClientInputTimeout);
                    } catch (InterruptedException ignored) {
                    }
                }
                if (stdin.available() > 0) {
                    if (debug >= 2 ) {
                        log("runCGI stdin IS available ["
                            + stdin.available() + "]");
                    }
                    bBuf = new byte[1024];
                    bufRead = -1;
                    try {
                        while ((bufRead = stdin.read(bBuf)) != -1) {
                            if (debug >= 2 ) {
                                log("runCGI: read [" + bufRead
                                    + "] bytes from stdin");
                            }
                            commandsStdIn.write(bBuf, 0, bufRead);
                        }
                        if (debug >= 2 ) {
                            log("runCGI: DONE READING from stdin");
                        }
                    } catch (IOException ioe) {
                        //REMIND: replace with logging
                        //REMIND: should I throw this exception?
                        log("runCGI: couldn't write all bytes.");
                        ioe.printStackTrace();
                    }
                }
            }
            commandsStdIn.flush();
            commandsStdIn.close();*/
      String sContentLength = (String) env.get("CONTENT_LENGTH");
      if(!"".equals(sContentLength)) {
          commandsStdIn = new BufferedOutputStream(proc.getOutputStream());
          byte[] content = new byte[Integer.parseInt(sContentLength)];
          stdin.read(content);
          commandsStdIn.write(content);
          commandsStdIn.flush();
          commandsStdIn.close();
      }


            /* we want to wait for the process to exit,  Process.waitFor()
             * is useless in our situation; see
             * http://developer.java.sun.com/developer/
             *                               bugParade/bugs/4223650.html
             */


            commandsStdOut = new BufferedReader
                (new InputStreamReader(proc.getInputStream()));
            commandsStdErr = new BufferedReader
                (new InputStreamReader(proc.getErrorStream()));
            BufferedWriter servletContainerStdout = null;


            try {
                if (response.getOutputStream() != null) {
                    servletContainerStdout =
                        new BufferedWriter(new OutputStreamWriter
                            (response.getOutputStream()));
                }
            } catch (IOException ignored) {
                //NOOP: no output will be written
            }


            boolean inHeader = true;
            int pauseCount = 0;


            boolean isRunning = true;


            while (isRunning) {


                if (commandsStdErr != null && commandsStdErr.ready()) {
                    // about to read something; reset pause count
                    pauseCount = 0;


                    bufRead = commandsStdErr.read(cBuf);
                    if (bufRead == -1) {
                        commandsStdErr.close();
                        commandsStdErr = null;
                        isRunning = (commandsStdOut != null);
                    } else {
                        if (servletContainerStdout != null) {
                            if (inHeader) {
                                servletContainerStdout.write(cBuf, 0, bufRead);
                            } else {
                                log("runCGI: Throwing away StdErr \"" +
                                    new String(cBuf, 0, bufRead) + "\"");
                            }
                        }
                    }
                } else if (commandsStdOut != null && commandsStdOut.ready()) {
                    // about to read something; reset pause count
                    pauseCount = 0;


                    if (inHeader) {
                        //set headers
                        String line = commandsStdOut.readLine();
                        if (line == null || "".equals(line)) {
                            inHeader = false;
                        } else {
                            if (debug >= 2) {
                                log("runCGI: addHeader(\"" + line + "\")");
                            }
                            if (line.startsWith("HTTP")) {
                                //TODO: should set status codes (NPH support)
                                /*
                                 * response.setStatus(getStatusCode(line));
                                 */
                            } else if (line.indexOf(":") >= 0) {
                                response.addHeader
                                    (line.substring(0, line.indexOf(":")).trim(),
                                     line.substring(line.indexOf(":") + 1).trim());
                            } else {
                                log("runCGI: bogus header line \"" + line + "\"");
                            }
                        }


                    } else {
                        //write output
                        bufRead = commandsStdOut.read(cBuf);
                        if (bufRead == -1) {
                            commandsStdOut.close();
                            commandsStdOut = null;
                            isRunning = (commandsStdErr != null);
                        } else {
                            if (servletContainerStdout != null) {
                                if (debug >= 4) {
                                    log("runCGI: write(\"" + new String(cBuf, 0, bufRead) + "\")");
                                }
                                servletContainerStdout.write(cBuf, 0, bufRead);
                            }
                        }
                    }


                } else {
                    try {
                        int exitVal = proc.exitValue();
                        pauseCount++;
                        if (pauseCount > 2) {
                            isRunning = false;
                        } else {
                            // pause for half a second

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             */
            Runtime rt = null;
            BufferedReader commandsStdOut = null;
            BufferedReader commandsStdErr = null;
            BufferedOutputStream commandsStdIn = null;
            Process proc = null;
            int bufRead = -1;


            //create query arguments
            Enumeration paramNames = params.keys();
            StringBuffer cmdAndArgs = new StringBuffer("\"" + command + "\"");
            if (paramNames != null && paramNames.hasMoreElements()) {
                cmdAndArgs.append(" ");
                while (paramNames.hasMoreElements()) {
                    String k = (String) paramNames.nextElement();
                    String v = params.get(k).toString();
                    if ((k.indexOf("=") < 0) && (v.indexOf("=") < 0)) {
                        cmdAndArgs.append("\"");
                        cmdAndArgs.append(k);
                        cmdAndArgs.append("=");
                        v = java.net.URLEncoder.encode(v);
                        cmdAndArgs.append(v);
                        cmdAndArgs.append("\"");
                        cmdAndArgs.append(" ");
                    }
                }
            }


            /*String postIn = getPostInput(params);
            int contentLength = (postIn.length()
                    + System.getProperty("line.separator").length());
            if ("POST".equals(env.get("REQUEST_METHOD"))) {
                env.put("CONTENT_LENGTH", new Integer(contentLength));
            }*/


        //if (command.endsWith(".pl") || command.endsWith(".cgi")) {
            StringBuffer perlCommand = new StringBuffer("perl ");
            perlCommand.append(cmdAndArgs.toString());
            cmdAndArgs = perlCommand;
        //}


            rt = Runtime.getRuntime();
            proc = rt.exec(cmdAndArgs.toString(), hashToStringArray(env), wd);


            /*
             * provide input to cgi
             * First  -- parameters
             * Second -- any remaining input
             */
            /*commandsStdIn = new BufferedOutputStream(proc.getOutputStream());
            if (debug >= 2 ) {
                log("runCGI stdin=[" + stdin + "], qs="
                    + env.get("QUERY_STRING"));
            }
            if ("POST".equals(env.get("REQUEST_METHOD"))) {
                if (debug >= 2) {
                    log("runCGI: writing ---------------\n");
                    log(postIn);
                    log("runCGI: new content_length=" + contentLength
                        + "---------------\n");
                }
                commandsStdIn.write(postIn.getBytes());
            }
            if (stdin != null) {
                //REMIND: document this
                /* assume if nothing is available after a time, that nothing is
                 * coming...
                 */
                /*if (stdin.available() <= 0) {
                    if (debug >= 2 ) {
                        log("runCGI stdin is NOT available ["
                            + stdin.available() + "]");
                    }
                    try {
                        Thread.currentThread().sleep(iClientInputTimeout);
                    } catch (InterruptedException ignored) {
                    }
                }
                if (stdin.available() > 0) {
                    if (debug >= 2 ) {
                        log("runCGI stdin IS available ["
                            + stdin.available() + "]");
                    }
                    byte[] bBuf = new byte[1024];
                    bufRead = -1;
                    try {
                        while ((bufRead = stdin.read(bBuf)) != -1) {
                            if (debug >= 2 ) {
                                log("runCGI: read [" + bufRead
                                    + "] bytes from stdin");
                            }
                            commandsStdIn.write(bBuf, 0, bufRead);
                        }
                        if (debug >= 2 ) {
                            log("runCGI: DONE READING from stdin");
                        }
                    } catch (IOException ioe) {
                        //REMIND: replace with logging
                        //REMIND: should I throw this exception?
                        log("runCGI: couldn't write all bytes.");
                        ioe.printStackTrace();
                    }
                }
            }
            commandsStdIn.flush();
            commandsStdIn.close();*/
      String sContentLength = (String) env.get("CONTENT_LENGTH");
      if(!"".equals(sContentLength)) {
          commandsStdIn = new BufferedOutputStream(proc.getOutputStream());
          byte[] content = new byte[Integer.parseInt(sContentLength)];


          int lenRead = stdin.read(content);


          if ("POST".equals(env.get("REQUEST_METHOD"))) {
              String paramStr = getPostInput(params);
              if (paramStr != null) {
                  byte[] paramBytes = paramStr.getBytes();
                  commandsStdIn.write(paramBytes);


                  int contentLength = paramBytes.length;
                  if (lenRead > 0) {
                      String lineSep = System.getProperty("line.separator");


                      commandsStdIn.write(lineSep.getBytes());


                      contentLength = lineSep.length() + lenRead;
                  }


                  env.put("CONTENT_LENGTH", new Integer(contentLength));
              }
          }


          if (lenRead > 0) {
              commandsStdIn.write(content, 0, lenRead);
          }




          commandsStdIn.flush();
          commandsStdIn.close();
      }


            /* we want to wait for the process to exit,  Process.waitFor()
             * is useless in our situation; see
             * http://developer.java.sun.com/developer/
             *                               bugParade/bugs/4223650.html
             */


            boolean isRunning = true;
            commandsStdOut = new BufferedReader
                (new InputStreamReader(proc.getInputStream()));
            commandsStdErr = new BufferedReader
                (new InputStreamReader(proc.getErrorStream()));
            BufferedWriter servletContainerStdout = null;


            try {
                if (response.getOutputStream() != null) {
                    servletContainerStdout =
                        new BufferedWriter(new OutputStreamWriter
                            (response.getOutputStream()));
                }
            } catch (IOException ignored) {
                //NOOP: no output will be written
            }
            final BufferedReader stdErrRdr = commandsStdErr ;


            new Thread() {
                public void run () {
                    sendToLog(stdErrRdr) ;
                } ;
            }.start() ;




            while (isRunning) {


                try {


                    //set headers
                    String line = null;
                    while (((line = commandsStdOut.readLine()) != null)
                           && !("".equals(line))) {
                        if (debug >= 2) {
                            log("runCGI: addHeader(\"" + line + "\")");
                        }
                        if (line.startsWith("HTTP")) {
                            //TODO: should set status codes (NPH support)
                            /*
                             * response.setStatus(getStatusCode(line));
                             */
                        } else if (line.indexOf(":") >= 0) {
                            response.addHeader
                                (line.substring(0, line.indexOf(":")).trim(),
                                line.substring(line.indexOf(":") + 1).trim());
                        } else {
                            log("runCGI: bad header line \"" + line + "\"");
                        }
                    }


                    //write output
                    char[] cBuf = new char[1024];
                    while ((bufRead = commandsStdOut.read(cBuf)) != -1) {
                        if (servletContainerStdout != null) {
                            if (debug >= 4) {
                                log("runCGI: write(\"" + new String(cBuf, 0, bufRead) + "\")");
                            }
                            servletContainerStdout.write(cBuf, 0, bufRead);
                        }
                    }


                    if (servletContainerStdout != null) {
                        servletContainerStdout.flush();
                    }


                    proc.exitValue(); // Throws exception if alive


                    isRunning = false;


                } catch (IllegalThreadStateException e) {
                    try {

View Full Code Here

     */
    Runtime rt = null;
    BufferedReader commandsStdOut = null;
    BufferedReader commandsStdErr = null;
    BufferedOutputStream commandsStdIn = null;
    Process proc = null;
    byte[] bBuf = new byte[1024];
    char[] cBuf = new char[1024];
    int bufRead = -1;


    //create query arguments
    Enumeration paramNames = params.keys();
    StringBuffer cmdAndArgs = new StringBuffer(command);
    if (paramNames != null && paramNames.hasMoreElements()) {
        cmdAndArgs.append(" ");
        while (paramNames.hasMoreElements()) {
            String k = (String) paramNames.nextElement();
            String v = params.get(k).toString();
            if ((k.indexOf("=") < 0) && (v.indexOf("=") < 0)) {
                cmdAndArgs.append(k);
                cmdAndArgs.append("=");
                v = java.net.URLEncoder.encode(v);
                cmdAndArgs.append(v);
                cmdAndArgs.append(" ");
            }
        }
    }


    String postIn = getPostInput(params);
    int contentLength = (postIn.length()
            + System.getProperty("line.separator").length());
    if ("POST".equals(env.get("REQUEST_METHOD"))) {
        env.put("CONTENT_LENGTH", new Integer(contentLength));
    }


    rt = Runtime.getRuntime();
    proc = rt.exec(cmdAndArgs.toString(), hashToStringArray(env), wd);




    /*
     * provide input to cgi
     * First  -- parameters
     * Second -- any remaining input
     */
    commandsStdIn = new BufferedOutputStream(proc.getOutputStream());
    if (debug >= 2 ) {
        log("runCGI stdin=[" + stdin + "], qs="
            + env.get("QUERY_STRING"));
    }
    if ("POST".equals(env.get("REQUEST_METHOD"))) {
        if (debug >= 2) {
            log("runCGI: writing ---------------\n");
            log(postIn);
            log("runCGI: new content_length=" + contentLength
                + "---------------\n");
        }
        commandsStdIn.write(postIn.getBytes());
    }
    if (stdin != null) {
        //REMIND: document this
        /* assume if nothing is available after a time, that nothing is
         * coming...
         */
        if (stdin.available() <= 0) {
            if (debug >= 2 ) {
                log("runCGI stdin is NOT available ["
                    + stdin.available() + "]");
            }
            try {
                Thread.currentThread().sleep(iClientInputTimeout);
            } catch (InterruptedException ignored) {
            }
        }
        if (stdin.available() > 0) {
            if (debug >= 2 ) {
                log("runCGI stdin IS available ["
                    + stdin.available() + "]");
            }
            bBuf = new byte[1024];
            bufRead = -1;
            try {
                while ((bufRead = stdin.read(bBuf)) != -1) {
                    if (debug >= 2 ) {
                        log("runCGI: read [" + bufRead
                            + "] bytes from stdin");
                    }
                    commandsStdIn.write(bBuf, 0, bufRead);
                }
                if (debug >= 2 ) {
                    log("runCGI: DONE READING from stdin");
                }
            } catch (IOException ioe) {
                //REMIND: replace with logging
                //REMIND: should I throw this exception?
                log("runCGI: couldn't write all bytes.");
                ioe.printStackTrace();
            }
        }
    }
    commandsStdIn.flush();
    commandsStdIn.close();


    /* we want to wait for the process to exit,  Process.waitFor()
     * is useless in our situation; see
     * http://developer.java.sun.com/developer/
     *                               bugParade/bugs/4223650.html
     */


    boolean isRunning = true;
    commandsStdOut = new BufferedReader
        (new InputStreamReader(proc.getInputStream()));
    commandsStdErr = new BufferedReader
        (new InputStreamReader(proc.getErrorStream()));
    BufferedWriter servletContainerStdout = null;


    try {
        if (response.getOutputStream() != null) {
            servletContainerStdout =
                new BufferedWriter(new OutputStreamWriter
                    (response.getOutputStream()));
        }
    } catch (IOException ignored) {
        //NOOP: no output will be written
    }


    while (isRunning) {


        try {
            //read stderr first
            cBuf = new char[1024];
            while ((bufRead = commandsStdErr.read(cBuf)) != -1) {
                if (servletContainerStdout != null) {
                    servletContainerStdout.write(cBuf, 0, bufRead);
                }
            }


            //set headers
            String line = null;
            while (((line = commandsStdOut.readLine()) != null)
                   && !("".equals(line))) {
                if (debug >= 2) {
                    log("runCGI: addHeader(\"" + line + "\")");
                }
                if (line.startsWith("HTTP")) {
                    //TODO: should set status codes (NPH support)
                    /*
                     * response.setStatus(getStatusCode(line));
                     */
                } else {
                    response.addHeader
                        (line.substring(0, line.indexOf(":")).trim(),
                         line.substring(line.indexOf(":") + 1).trim());
                }
            }


            //write output
            cBuf = new char[1024];
            while ((bufRead = commandsStdOut.read(cBuf)) != -1) {
                if (servletContainerStdout != null) {
                    if (debug >= 4) {
                        log("runCGI: write(\"" + cBuf + "\")");
                    }
                    servletContainerStdout.write(cBuf, 0, bufRead);
                }
            }


            if (servletContainerStdout != null) {
                servletContainerStdout.flush();
            }


            proc.exitValue(); // Throws exception if alive


            isRunning = false;


        } catch (IllegalThreadStateException e) {
            try {

View Full Code Here

             */
            Runtime rt = null;
            BufferedReader commandsStdOut = null;
            BufferedReader commandsStdErr = null;
            BufferedOutputStream commandsStdIn = null;
            Process proc = null;
            int bufRead = -1;


            //create query arguments
            Enumeration paramNames = params.keys();
            StringBuffer cmdAndArgs = new StringBuffer(command);
            if (paramNames != null && paramNames.hasMoreElements()) {
                cmdAndArgs.append(" ");
                while (paramNames.hasMoreElements()) {
                    String k = (String) paramNames.nextElement();
                    String v = params.get(k).toString();
                    if ((k.indexOf("=") < 0) && (v.indexOf("=") < 0)) {
                        cmdAndArgs.append(k);
                        cmdAndArgs.append("=");
                        v = java.net.URLEncoder.encode(v);
                        cmdAndArgs.append(v);
                        cmdAndArgs.append(" ");
                    }
                }
            }


            /*String postIn = getPostInput(params);
            int contentLength = (postIn.length()
                    + System.getProperty("line.separator").length());
            if ("POST".equals(env.get("REQUEST_METHOD"))) {
                env.put("CONTENT_LENGTH", new Integer(contentLength));
            }*/


        if (command.endsWith(".pl") || command.endsWith(".cgi")) {
            StringBuffer perlCommand = new StringBuffer("perl ");
            perlCommand.append(cmdAndArgs.toString());
            cmdAndArgs = perlCommand;
        }


            rt = Runtime.getRuntime();
            proc = rt.exec(cmdAndArgs.toString(), hashToStringArray(env), wd);


            /*
             * provide input to cgi
             * First  -- parameters
             * Second -- any remaining input
             */
            /*commandsStdIn = new BufferedOutputStream(proc.getOutputStream());
            if (debug >= 2 ) {
                log("runCGI stdin=[" + stdin + "], qs="
                    + env.get("QUERY_STRING"));
            }
            if ("POST".equals(env.get("REQUEST_METHOD"))) {
                if (debug >= 2) {
                    log("runCGI: writing ---------------\n");
                    log(postIn);
                    log("runCGI: new content_length=" + contentLength
                        + "---------------\n");
                }
                commandsStdIn.write(postIn.getBytes());
            }
            if (stdin != null) {
                //REMIND: document this
                /* assume if nothing is available after a time, that nothing is
                 * coming...
                 */
                /*if (stdin.available() <= 0) {
                    if (debug >= 2 ) {
                        log("runCGI stdin is NOT available ["
                            + stdin.available() + "]");
                    }
                    try {
                        Thread.currentThread().sleep(iClientInputTimeout);
                    } catch (InterruptedException ignored) {
                    }
                }
                if (stdin.available() > 0) {
                    if (debug >= 2 ) {
                        log("runCGI stdin IS available ["
                            + stdin.available() + "]");
                    }
                    byte[] bBuf = new byte[1024];
                    bufRead = -1;
                    try {
                        while ((bufRead = stdin.read(bBuf)) != -1) {
                            if (debug >= 2 ) {
                                log("runCGI: read [" + bufRead
                                    + "] bytes from stdin");
                            }
                            commandsStdIn.write(bBuf, 0, bufRead);
                        }
                        if (debug >= 2 ) {
                            log("runCGI: DONE READING from stdin");
                        }
                    } catch (IOException ioe) {
                        //REMIND: replace with logging
                        //REMIND: should I throw this exception?
                        log("runCGI: couldn't write all bytes.");
                        ioe.printStackTrace();
                    }
                }
            }
            commandsStdIn.flush();
            commandsStdIn.close();*/
      String sContentLength = (String) env.get("CONTENT_LENGTH");
      if(!"".equals(sContentLength)) {
          commandsStdIn = new BufferedOutputStream(proc.getOutputStream());
          byte[] content = new byte[Integer.parseInt(sContentLength)];


          int lenRead = stdin.read(content);


          if ("POST".equals(env.get("REQUEST_METHOD"))) {
              String paramStr = getPostInput(params);
              if (paramStr != null) {
                  byte[] paramBytes = paramStr.getBytes();
                  commandsStdIn.write(paramBytes);


                  int contentLength = paramBytes.length;
                  if (lenRead > 0) {
                      String lineSep = System.getProperty("line.separator");


                      commandsStdIn.write(lineSep.getBytes());


                      contentLength = lineSep.length() + lenRead;
                  }


                  env.put("CONTENT_LENGTH", new Integer(contentLength));
              }
          }


          if (lenRead > 0) {
              commandsStdIn.write(content, 0, lenRead);
          }




          commandsStdIn.flush();
          commandsStdIn.close();
      }


            /* we want to wait for the process to exit,  Process.waitFor()
             * is useless in our situation; see
             * http://developer.java.sun.com/developer/
             *                               bugParade/bugs/4223650.html
             */


            boolean isRunning = true;
            commandsStdOut = new BufferedReader
                (new InputStreamReader(proc.getInputStream()));
            commandsStdErr = new BufferedReader
                (new InputStreamReader(proc.getErrorStream()));
            BufferedWriter servletContainerStdout = null;


            try {
                if (response.getOutputStream() != null) {
                    servletContainerStdout =
                        new BufferedWriter(new OutputStreamWriter
                            (response.getOutputStream()));
                }
            } catch (IOException ignored) {
                //NOOP: no output will be written
            }
            final BufferedReader stdErrRdr = commandsStdErr ;


            new Thread() {
                public void run () {
                    sendToLog(stdErrRdr) ;
                } ;
            }.start() ;




            while (isRunning) {


                try {


                    //set headers
                    String line = null;
                    while (((line = commandsStdOut.readLine()) != null)
                           && !("".equals(line))) {
                        if (debug >= 2) {
                            log("runCGI: addHeader(\"" + line + "\")");
                        }
                        if (line.startsWith("HTTP")) {
                            //TODO: should set status codes (NPH support)
                            /*
                             * response.setStatus(getStatusCode(line));
                             */
                        } else if (line.indexOf(":") >= 0) {
                            response.addHeader
                                (line.substring(0, line.indexOf(":")).trim(),
                                line.substring(line.indexOf(":") + 1).trim());
                        } else {
                            log("runCGI: bad header line \"" + line + "\"");
                        }
                    }


                    //write output
                    char[] cBuf = new char[1024];
                    while ((bufRead = commandsStdOut.read(cBuf)) != -1) {
                        if (servletContainerStdout != null) {
                            if (debug >= 4) {
                                log("runCGI: write(\"" + new String(cBuf, 0, bufRead) + "\")");
                            }
                            servletContainerStdout.write(cBuf, 0, bufRead);
                        }
                    }


                    if (servletContainerStdout != null) {
                        servletContainerStdout.flush();
                    }


                    proc.exitValue(); // Throws exception if alive


                    isRunning = false;


                } catch (IllegalThreadStateException e) {
                    try {

View Full Code Here

    if ( scopedName == null || scopedName.equals( "" )  )
    {
      clear();
    }


    final Process  proc  = invoke_kstat( scopedName );
    
    final InputStream  resultsStream  = proc.getInputStream();
    
    final String []  outputLines  = readResults( resultsStream );
    
    processResults( outputLines );
    
    try
    {
      proc.waitFor();
    }
    catch( InterruptedException e )
    {
      System.err.println( "Interrupted: " + e.toString() );
    }

View Full Code Here

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