private void runForked(String[] commandLine) {
// use the main method in FileSystemCompiler
final Execute executor =
new Execute(); // new LogStreamHandler ( attributes , Project.MSG_INFO , Project.MSG_WARN )
// ) ;
executor.setAntRun(getProject());
executor.setWorkingDirectory(getProject().getBaseDir());
executor.setCommandline(commandLine);
try {
executor.execute();
} catch (final IOException ioe) {
throw new BuildException("Error running forked groovyc.", ioe);
}
final int returnCode = executor.getExitValue();
if (returnCode != 0) {
taskSuccess = false;
if (errorProperty != null) {
getProject().setNewProperty(errorProperty, "true");
}
if (failOnError) {
throw new BuildException("Forked groovyc returned error code: " + returnCode);
} else {
log.error("Forked groovyc returned error code: " + returnCode);
}
}
}
@Override
public void execute() throws BuildException {
// Source directory defaults to current directory
if (_sourceDir == null) {
_sourceDir = getProject().getBaseDir();
}
// Destination directory defaults to source directory
if (_destDir == null) {
_destDir = _sourceDir;
}
// Check the directories
checkDir("Source directory", _sourceDir, true, false);
checkDir("Destination directory", _destDir, false, true);
// Create a watch dog, if there is a time-out configured
ExecuteWatchdog watchdog = (_timeOut > 0L) ? new ExecuteWatchdog(_timeOut) : null;
// Determine what command to execute
String command = (_command == null || _command.length() < 1) ? DEFAULT_COMMAND : _command;
// Check that the command is executable
Buffer buffer = new Buffer();
Execute execute = new Execute(buffer, watchdog);
String[] cmdline = new String[] {command, "-v"};
execute.setAntRun(getProject());
execute.setCommandline(cmdline);
try {
if (execute.execute() != 0) {
throw new BuildException(
"Unable to execute LessCSS command "
+ quote(command)
+ ". Running '"
+ command
+ " -v' resulted in exit code "
+ execute.getExitValue()
+ '.');
}
} catch (IOException cause) {
throw new BuildException("Unable to execute LessCSS command " + quote(command) + '.', cause);
}
// Display the command and version number
String versionString = buffer.getOutString().trim();
if (versionString.startsWith(command)) {
versionString = versionString.substring(command.length()).trim();
}
if (versionString.startsWith("v")) {
versionString = versionString.substring(1).trim();
}
log(
"Using command " + quote(command) + ", version is " + quote(versionString) + '.',
MSG_VERBOSE);
// TODO: Improve this, detect kind of command
boolean createOutputFile = command.indexOf("plessc") >= 0;
// Preparations done, consider each individual file for processing
log(
"Transforming from " + _sourceDir.getPath() + " to " + _destDir.getPath() + '.',
MSG_VERBOSE);
long start = System.currentTimeMillis();
int failedCount = 0, successCount = 0, skippedCount = 0;
for (String inFileName : getDirectoryScanner(_sourceDir).getIncludedFiles()) {
// Make sure the input file exists
File inFile = new File(_sourceDir, inFileName);
if (!inFile.exists()) {
continue;
}
// Determine if the file type is supported
if (!matches(inFileName.toLowerCase(), "\\.less$")) {
log(
"Skipping "
+ quote(inFileName)
+ " because the file does not end in \".less\" (case-insensitive).",
MSG_VERBOSE);
skippedCount++;
continue;
}
// Some preparations related to the input file and output file
long thisStart = System.currentTimeMillis();
String outFileName = inFile.getName().replaceFirst("\\.less$", ".css");
File outFile = new File(_destDir, outFileName);
String outFilePath = outFile.getPath();
String inFilePath = inFile.getPath();
if (!_overwrite) {
// Skip this file is the output file exists and is newer
if (outFile.exists() && (outFile.lastModified() > inFile.lastModified())) {
log("Skipping " + quote(inFileName) + " because output file is newer.", MSG_VERBOSE);
skippedCount++;
continue;
}
}
// Prepare for the command execution
buffer = new Buffer();
watchdog = (_timeOut > 0L) ? new ExecuteWatchdog(_timeOut) : null;
execute = new Execute(buffer, watchdog);
cmdline =
createOutputFile
? new String[] {command, inFilePath}
: new String[] {command, inFilePath, outFilePath};
execute.setAntRun(getProject());
execute.setCommandline(cmdline);
// Execute the command
boolean failure;
try {
execute.execute();
failure = execute.isFailure();
} catch (IOException cause) {
failure = true;
}
// Output to stderr or stdout indicates a failure
String errorOutput = buffer.getErrString();
errorOutput = isEmpty(errorOutput) ? buffer.getOutString() : errorOutput;
failure = failure ? true : !isEmpty(errorOutput);
// Create the output file if the command just sent everything to
// standard out
if (createOutputFile) {
try {
buffer.writeOutTo(new FileOutputStream(outFile));
} catch (IOException cause) {
throw new BuildException(
"Failed to write output to file \"" + outFile.getPath() + "\".", cause);
}
}
// Log the result for this individual file
long thisDuration = System.currentTimeMillis() - thisStart;
if (failure) {
String logMessage = "Failed to transform " + quote(inFilePath);
if (isEmpty(errorOutput)) {
logMessage += '.';
} else {
logMessage += ':' + System.getProperty("line.separator") + errorOutput;
}
log(logMessage, MSG_ERR);
failedCount++;
} else {
log("Transformed " + quote(inFileName) + " in " + thisDuration + " ms.", MSG_VERBOSE);
successCount++;
}
}
// Log the total result
long duration = System.currentTimeMillis() - start;
if (failedCount > 0) {
throw new BuildException(
""
+ failedCount
+ " file(s) failed to transform, while "
+ successCount
+ " succeeded. Total duration is "
+ duration
+ " ms.");
} else {
log(
""
+ successCount
+ " file(s) transformed in "
+ duration
+ " ms; "
+ skippedCount
+ " file(s) skipped.");
}
}