public static Either<CommandResult> runCommand(
final Context context, final String command, final File path, final List<String> arguments) {
try {
final List<String> commandAndArgs = new ArrayList<String>();
commandAndArgs.add(command);
commandAndArgs.addAll(arguments);
final ProcessBuilder pb = new ProcessBuilder(commandAndArgs);
if (path != null) {
pb.directory(path);
}
logCommand(context, pb);
final Process compilation = pb.start();
final ConsumeStream result = ConsumeStream.start(compilation.getInputStream(), context);
final ConsumeStream error = ConsumeStream.start(compilation.getErrorStream(), context);
final int exitCode = compilation.waitFor();
result.join();
error.join();
if (result.exception != null) {
return Either.fail(result.exception);
}
if (error.exception != null) {
return Either.fail(error.exception);
}
return Either.success(
new CommandResult(result.output.toString(), error.output.toString(), exitCode));
} catch (IOException ex) {
return Either.fail(ex);
} catch (InterruptedException ex) {
return Either.fail(ex);
}
}
public static Either<String> readFile(final File file) {
try {
final FileInputStream stream = new FileInputStream(file);
try {
final String content = read(stream);
return Either.success(content);
} finally {
stream.close();
}
} catch (IOException ex) {
return Either.fail(ex);
}
}
public static synchronized Either<Document> readXml(final InputStream stream) {
try {
final DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
final DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
return Either.success(dBuilder.parse(stream));
} catch (IOException ex) {
return Either.fail(ex);
} catch (ParserConfigurationException ex) {
return Either.fail(ex);
} catch (SAXException ex) {
return Either.fail(ex);
}
}
public static Either<String> findCommand(
final Context context, final String path, final String name, final String contains) {
final String simple = path != null ? new File(path, name).getAbsolutePath() : name;
if (testCommand(context, simple, contains, new ArrayList<String>())) {
context.log("Found " + name + " in " + simple);
return Either.success(simple);
}
if (isWindows()) {
final String bat =
path != null ? new File(path, name + ".bat").getAbsolutePath() : name + ".bat";
if (testCommand(context, bat, contains, new ArrayList<String>())) {
context.log("Found " + name + " in " + bat);
return Either.success(bat);
}
final String cmd =
path != null ? new File(path, name + ".cmd").getAbsolutePath() : name + ".cmd";
if (testCommand(context, cmd, contains, new ArrayList<String>())) {
context.log("Found " + name + " in " + cmd);
return Either.success(cmd);
}
}
return Either.fail("File not found: " + name);
}
