Package org.jboss.fresh.io

Examples of org.jboss.fresh.io.NullBuffer


            }
          }
          in.setMaxSize(inbufmax); // should be a variable

        } else {
          in = new NullBuffer();
        }
      }

    } else {
//log.debug("Piping in previous out...");
      Object o_in = ((Process) joblist.getLast()).getOutputBuffer();
      if (!(o_in instanceof InBuffer)) {
        throw new ShellException("Invalid pipe chain. Trying to read from write-only buffer.");
      }
      in = (InBuffer) o_in;
    }

//log.debug("\n\nin = " + in);

    OutBuffer out = null;

    if (cmdl.size() == joblist.size() + 1) {

      if (cmdl.getSLStdOutRedir() != null) {
        try {
          OutputStreamBuffer bout = new OutputStreamBuffer(new FileOutputStream(cmdl.getSLStdOutRedir(), cmdl.getSLAppend()), cmdl.isSLOutObjMode());
          bout.setProperties(env);
          out = bout;
          p.setRedirected(true);
        } catch (IOException ex) {
          throw new ShellException("Exception occured while initializing output buffer: " + ex.toString());
        }

      } else if (cmdl.getStdOutRedir() != null) {
        try {
          ////out=new OutputStreamBuffer(new VFSOutputStream(new SecureVFS(vfs, uctx), cmdl.getStdOutRedir(), cmdl.getAppend()), cmdl.isOutObjMode());

          //if(TxSupport.isActive()) throw new ShellException("Illegal state - inside transaction.");
          //TxSupport.begin();
          try {
            FileName fname = new FileName(cmdl.getStdOutRedir());
            if (fname.isRelative()) {
              fname = new FileName(getEnvProperty("PWD")).absolutize(fname);
            }
            OutputStreamBuffer bout = new OutputStreamBuffer(new LazyVFSOutputStream(new SecureVFS(vfs, uctx), fname.toString(), cmdl.getAppend()), cmdl.isOutObjMode());
            bout.setProperties(env);
            out = bout;
            p.setRedirected(true);
            //TxSupport.commit();
          } catch (Exception ex) {
            //TxSupport.rollback();
            throw ex;
          }
        } catch (Exception ex) {
          log.error("Exception occured while initializing output buffer: ", ex);
          throw new ShellException("Exception occured while initializing output buffer: " + ex.toString());
        }
      }
    }
//log.debug("\n\nout = " + out);
    if (out == null) {
      if (hasout) {
        if (!"SINGLE".equals(getEnvProperty("TMODE"))) {
          out = new BufferImpl();
        } else {
          out = new MemFileBufferImpl();
        }
       
        // here we set whatever is maxsize for inputbuffer for this executable - we have this set
        // as attribute on the file or something ...
        // FIXME
        out.setMaxSize(outbufmax); //  should be a variable

      } else {
        out = new NullBuffer();
      }

      if ((cmdl.size() == joblist.size() + 1) && ui && interactive) {
        procmap.put(STDIN_ID, p);
        outreader.replacePrimaryBuffer((InBuffer) out);
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