/**
* Creates the temporary file.
*
* @exception BuildException if something goes wrong with the build
*/
public void execute() throws BuildException {
if (property == null || property.length() == 0) {
throw new BuildException("no property specified");
}
if (destDir == null) {
destDir = getProject().resolveFile(".");
}
File tfile = FILE_UTILS.createTempFile(prefix, suffix, destDir, deleteOnExit, createFile);
getProject().setNewProperty(property, tfile.toString());
}
/**
* create the temp file
*
* @exception BuildException if something goes wrong with the build
*/
public void execute() throws BuildException {
if (property == null || property.length() == 0) {
throw new BuildException("no property specified");
}
if (destDir == null) {
destDir = project.resolveFile(".");
}
FileUtils utils = FileUtils.newFileUtils();
File tfile = utils.createTempFile(prefix, suffix, destDir);
project.setNewProperty(property, tfile.toString());
}
public void testspawn() {
project.executeTarget("init");
if (project.getProperty("test.can.run") == null) {
return;
}
myBuild = new MonitoredBuild(new File(System.getProperty("root"), BUILD_FILE), "spawn");
logFile = FILE_UTILS.createTempFile("spawn", "log", project.getBaseDir(), false, false);
// this is guaranteed by FileUtils#createTempFile
assertTrue("log file not existing", !logFile.exists());
// make the spawned process run 4 seconds
myBuild.setTimeToWait(TIME_TO_WAIT);
myBuild.setLogFile(logFile.getAbsolutePath());
myBuild.addBuildListener(new MonitoredBuildListener());
myBuild.start();
GregorianCalendar startwait = new GregorianCalendar();
// this loop runs parallel to the build
while (!buildFinished) {
try {
Thread.sleep(10);
} catch (InterruptedException e) {
System.out.println("my sleep was interrupted");
}
GregorianCalendar now = new GregorianCalendar();
// security
if (now.getTime().getTime() - startwait.getTime().getTime() > MAX_BUILD_TIME) {
System.out.println(
"aborting wait, too long "
+ (now.getTime().getTime() - startwait.getTime().getTime())
+ "milliseconds");
break;
}
}
// now wait until the spawned process is finished
try {
Thread.sleep((TIME_TO_WAIT) * 1000 + SECURITY_MARGIN);
} catch (InterruptedException e) {
System.out.println("my sleep was interrupted");
}
// time of the build in milli seconds
long elapsed = myBuild.getTimeElapsed();
assertTrue(
"we waited more than the process lasted", TIME_TO_WAIT * 1000 + SECURITY_MARGIN > elapsed);
logFile = new File(logFile.getAbsolutePath());
assertTrue("log file found after spawn", logFile.exists());
}
/**
* Creates a list file. This temporary file contains a list of all files to be included in the
* cab, one file per line.
*
* <p>This method expects to only be called on Windows and thus quotes the file names.
*
* @param files the list of files to use.
* @return the list file created.
* @throws IOException if there is an error.
*/
protected File createListFile(Vector files) throws IOException {
File listFile = FILE_UTILS.createTempFile("ant", "", null, true, true);
BufferedWriter writer = null;
try {
writer = new BufferedWriter(new FileWriter(listFile));
final int size = files.size();
for (int i = 0; i < size; i++) {
writer.write('\"' + files.elementAt(i).toString() + '\"');
writer.newLine();
}
} finally {
FileUtils.close(writer);
}
return listFile;
}
/**
* Implementation of ResourceSelector.isSelected().
*
* @param resource The resource to check
* @return whether the resource is selected
* @see ResourceSelector#isSelected(Resource)
*/
public boolean isSelected(Resource resource) {
if (resource.isFilesystemOnly()) {
// We have a 'resourced' file, so reconvert it and use
// the 'old' implementation.
FileResource fileResource = (FileResource) resource;
File file = fileResource.getFile();
String filename = fileResource.getName();
File basedir = fileResource.getBaseDir();
return isSelected(basedir, filename, file);
} else {
try {
// How to handle non-file-Resources? I copy temporarily the
// resource to a file and use the file-implementation.
FileUtils fu = FileUtils.getFileUtils();
File tmpFile = fu.createTempFile("modified-", ".tmp", null, true, false);
Resource tmpResource = new FileResource(tmpFile);
ResourceUtils.copyResource(resource, tmpResource);
boolean isSelected =
isSelected(tmpFile.getParentFile(), tmpFile.getName(), resource.toLongString());
tmpFile.delete();
return isSelected;
} catch (UnsupportedOperationException uoe) {
log(
"The resource '"
+ resource.getName()
+ "' does not provide an InputStream, so it is not checked. "
+ "Akkording to 'selres' attribute value it is "
+ ((selectResourcesWithoutInputStream) ? "" : " not")
+ "selected.",
Project.MSG_INFO);
return selectResourcesWithoutInputStream;
} catch (Exception e) {
throw new BuildException(e);
}
}
}
/**
* 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());
}
}
}
/**
* Perform the replacement on a file
*
* @param f the file to perform the relacement on
* @param options the regular expressions options
* @exception IOException if an error occurs
*/
protected void doReplace(File f, int options) throws IOException {
File temp = fileUtils.createTempFile("replace", ".txt", null);
temp.deleteOnExit();
Reader r = null;
Writer w = null;
try {
if (encoding == null) {
r = new FileReader(f);
w = new FileWriter(temp);
} else {
r = new InputStreamReader(new FileInputStream(f), encoding);
w = new OutputStreamWriter(new FileOutputStream(temp), encoding);
}
BufferedReader br = new BufferedReader(r);
BufferedWriter bw = new BufferedWriter(w);
PrintWriter pw = new PrintWriter(bw);
boolean changes = false;
log(
"Replacing pattern '"
+ regex.getPattern(getProject())
+ "' with '"
+ subs.getExpression(getProject())
+ "' in '"
+ f.getPath()
+ "'"
+ (byline ? " by line" : "")
+ (flags.length() > 0 ? " with flags: '" + flags + "'" : "")
+ ".",
Project.MSG_VERBOSE);
if (byline) {
StringBuffer linebuf = new StringBuffer();
String line = null;
String res = null;
int c;
boolean hasCR = false;
do {
c = br.read();
if (c == '\r') {
if (hasCR) {
// second CR -> EOL + possibly empty line
line = linebuf.toString();
res = doReplace(regex, subs, line, options);
if (!res.equals(line)) {
changes = true;
}
pw.print(res);
pw.print('\r');
linebuf = new StringBuffer();
// hasCR is still true (for the second one)
} else {
// first CR in this line
hasCR = true;
}
} else if (c == '\n') {
// LF -> EOL
line = linebuf.toString();
res = doReplace(regex, subs, line, options);
if (!res.equals(line)) {
changes = true;
}
pw.print(res);
if (hasCR) {
pw.print('\r');
hasCR = false;
}
pw.print('\n');
linebuf = new StringBuffer();
} else { // any other char
if ((hasCR) || (c < 0)) {
// Mac-style linebreak or EOF (or both)
line = linebuf.toString();
res = doReplace(regex, subs, line, options);
if (!res.equals(line)) {
changes = true;
}
pw.print(res);
if (hasCR) {
pw.print('\r');
hasCR = false;
}
linebuf = new StringBuffer();
}
if (c >= 0) {
linebuf.append((char) c);
}
}
} while (c >= 0);
pw.flush();
} else {
String buf = fileUtils.readFully(br);
if (buf == null) {
buf = "";
}
String res = doReplace(regex, subs, buf, options);
if (!res.equals(buf)) {
changes = true;
}
pw.print(res);
pw.flush();
}
r.close();
r = null;
w.close();
w = null;
if (changes) {
log("File has changed; saving the updated file", Project.MSG_VERBOSE);
try {
fileUtils.rename(temp, f);
temp = null;
} catch (IOException e) {
throw new BuildException("Couldn't rename temporary file " + temp, getLocation());
}
} else {
log("No change made", Project.MSG_DEBUG);
}
} finally {
try {
if (r != null) {
r.close();
}
} catch (Exception e) {
// ignore any secondary exceptions
}
try {
if (w != null) {
w.close();
}
} catch (Exception e) {
// ignore any secondary exceptions
}
if (temp != null) {
temp.delete();
}
}
}
