/** * execute this task. * * @throws BuildException on error. */ public void execute() throws BuildException { checkConfiguration(); Vector files = getFileList(); // quick exit if the target is up to date if (isUpToDate(files)) { return; } log("Building " + archiveType + ": " + cabFile.getAbsolutePath()); if (!Os.isFamily("windows")) { log("Using listcab/libcabinet", Project.MSG_VERBOSE); StringBuffer sb = new StringBuffer(); Enumeration fileEnum = files.elements(); while (fileEnum.hasMoreElements()) { sb.append(fileEnum.nextElement()).append("\n"); } sb.append("\n").append(cabFile.getAbsolutePath()).append("\n"); try { Process p = Execute.launch( getProject(), new String[] {"listcab"}, null, baseDir != null ? baseDir : getProject().getBaseDir(), true); OutputStream out = p.getOutputStream(); // Create the stream pumpers to forward listcab's stdout and stderr to the log // note: listcab is an interactive program, and issues prompts for every new line. // Therefore, make it show only with verbose logging turned on. LogOutputStream outLog = new LogOutputStream(this, Project.MSG_VERBOSE); LogOutputStream errLog = new LogOutputStream(this, Project.MSG_ERR); StreamPumper outPump = new StreamPumper(p.getInputStream(), outLog); StreamPumper errPump = new StreamPumper(p.getErrorStream(), errLog); // Pump streams asynchronously (new Thread(outPump)).start(); (new Thread(errPump)).start(); out.write(sb.toString().getBytes()); out.flush(); out.close(); // A wild default for when the thread is interrupted int result = DEFAULT_RESULT; try { // Wait for the process to finish result = p.waitFor(); // Wait for the end of output and error streams outPump.waitFor(); outLog.close(); errPump.waitFor(); errLog.close(); } catch (InterruptedException ie) { log("Thread interrupted: " + ie); } // Informative summary message in case of errors if (Execute.isFailure(result)) { log("Error executing listcab; error code: " + result); } } catch (IOException ex) { String msg = "Problem creating " + cabFile + " " + ex.getMessage(); throw new BuildException(msg, getLocation()); } } else { try { File listFile = createListFile(files); ExecTask exec = createExec(); File outFile = null; // die if cabarc fails exec.setFailonerror(true); exec.setDir(baseDir); if (!doVerbose) { outFile = FILE_UTILS.createTempFile("ant", "", null, true, true); exec.setOutput(outFile); } exec.setExecutable("cabarc"); exec.createArg().setValue("-r"); exec.createArg().setValue("-p"); if (!doCompress) { exec.createArg().setValue("-m"); exec.createArg().setValue("none"); } if (cmdOptions != null) { exec.createArg().setLine(cmdOptions); } exec.createArg().setValue("n"); exec.createArg().setFile(cabFile); exec.createArg().setValue("@" + listFile.getAbsolutePath()); exec.execute(); if (outFile != null) { outFile.delete(); } listFile.delete(); } catch (IOException ioe) { String msg = "Problem creating " + cabFile + " " + ioe.getMessage(); throw new BuildException(msg, getLocation()); } } }