@Override
protected void doValidate(Task task, ValidationStatus status) throws PackageException {
if (file == null || tofile == null) {
status.addError(
"Cannot execute command in installer."
+ " Invalid copy syntax: file, dir, tofile or todir was not specified.");
}
if (tofile.isFile() && !overwrite && !append) {
if (removeOnExit) {
// a plugin is still there due to a previous action that needs a
// restart
status.addError(
"A restart is needed to perform this operation: cleaning " + tofile.getName());
} else {
status.addError("Cannot overwrite existing file: " + tofile.getName());
}
}
if (md5 != null) {
try {
if (tofile.isFile() && !md5.equals(IOUtils.createMd5(tofile))) {
status.addError("MD5 check failed. File: " + tofile + " has changed since its backup");
}
} catch (Exception e) {
throw new PackageException(e);
}
}
}
/**
* @param doOverwrite
* @since 5.5
*/
protected Command doCopy(
Task task, Map<String, String> prefs, File fileToCopy, File dst, boolean doOverwrite)
throws PackageException {
String dstmd5;
File bak = null;
CompositeCommand rollbackCommand = new CompositeCommand();
if (fileToCopy.isDirectory()) {
if (fileToCopy != file) {
dst = new File(dst, fileToCopy.getName());
}
dst.mkdirs();
for (File childFile : fileToCopy.listFiles()) {
rollbackCommand.addCommand(doCopy(task, prefs, childFile, dst, doOverwrite));
}
return rollbackCommand;
}
if (dst.isDirectory()) {
dst = new File(dst, fileToCopy.getName());
}
try {
FileMatcher filenameMatcher = FileMatcher.getMatcher("{n:.*-}[0-9]+.*\\.jar");
if (filenameMatcher.match(fileToCopy.getName()) && (overwriteIfNewerVersion || upgradeOnly)) {
// Compare source and destination versions set in filename
FileVersion fileToCopyVersion, dstVersion = null;
String filenameWithoutVersion = filenameMatcher.getValue();
FileMatcher versionMatcher =
FileMatcher.getMatcher(filenameWithoutVersion + "{v:[0-9]+.*}\\.jar");
// Get new file version
if (versionMatcher.match(fileToCopy.getName())) {
fileToCopyVersion = new FileVersion(versionMatcher.getValue());
// Get original file name and version
File dir = dst.getParentFile();
File[] list = dir.listFiles();
if (list != null) {
for (File f : list) {
if (versionMatcher.match(f.getName())) {
dst = f;
dstVersion = new FileVersion(versionMatcher.getValue());
break;
}
}
}
if (dstVersion == null) {
if (upgradeOnly) {
return null;
}
} else if (fileToCopyVersion.greaterThan(dstVersion)) {
// backup dst and generate rollback command
File oldDst = dst;
dst = new File(dst.getParentFile(), fileToCopy.getName());
File backup = IOUtils.backup(task.getPackage(), oldDst);
rollbackCommand.addCommand(new Copy(backup, oldDst, null, false));
// Delete old dst as its name differs from new version
oldDst.delete();
} else if (fileToCopyVersion.isSnapshot() && fileToCopyVersion.equals(dstVersion)) {
doOverwrite = true;
} else if (!doOverwrite) {
log.info(
"Ignore "
+ fileToCopy
+ " because not newer than "
+ dstVersion
+ " and 'overwrite' is set to false.");
return null;
}
}
}
if (dst.exists()) { // backup the destination file if exist.
if (!doOverwrite && !append) { // force a rollback
throw new PackageException(
"Copy command has overwrite flag on false but destination file exists: " + dst);
}
if (task instanceof UninstallTask) {
// no backup for uninstall task
} else if (append) {
bak = IOUtils.backup(task.getPackage(), fileToCopy);
} else {
bak = IOUtils.backup(task.getPackage(), dst);
}
} else { // target file doesn't exists - it will be created
dst.getParentFile().mkdirs();
}
// copy the file - use getContentToCopy to allow parameterization
// for subclasses
String content = getContentToCopy(fileToCopy, prefs);
if (content != null) {
if (append && dst.exists()) {
RandomAccessFile rfile = new RandomAccessFile(dst, "r");
try {
rfile.seek(dst.length());
if (!"".equals(rfile.readLine())) {
content = System.getProperty("line.separator") + content;
}
} catch (IOException e) {
log.error(e);
} finally {
rfile.close();
}
}
FileUtils.writeFile(dst, content, append);
} else {
File tmp = new File(dst.getPath() + ".tmp");
FileUtils.copy(fileToCopy, tmp);
if (!tmp.renameTo(dst)) {
tmp.delete();
FileUtils.copy(fileToCopy, dst);
}
}
// check whether the copied or restored file was the launcher
if (dst.getName().equals(LAUNCHER_JAR) || fileToCopy.getName().equals(LAUNCHER_JAR)) {
Environment env = Environment.getDefault();
env.setProperty(LAUNCHER_CHANGED_PROPERTY, "true");
}
// get the md5 of the copied file.
dstmd5 = IOUtils.createMd5(dst);
} catch (Exception e) {
throw new PackageException("Failed to copy " + fileToCopy, e);
}
if (bak == null) { // no file was replaced
rollbackCommand.addCommand(new Delete(dst, dstmd5, removeOnExit));
} else if (append) {
rollbackCommand.addCommand(new UnAppend(bak, dst));
} else {
rollbackCommand.addCommand(new Copy(bak, dst, dstmd5, true));
}
return rollbackCommand;
}