public static void copyFromResource(
final String prefix, final String fileName, final File destinationDirectory) {
final String pathToResource = prefix + fileName;
InputStream in = null;
OutputStream out = null;
try {
final URL resource;
if (pathToResource.startsWith("file:")) {
resource = new URL(pathToResource);
} else {
resource = ResourceController.getResourceController().getResource(pathToResource);
}
if (resource == null) {
LogUtils.severe("Cannot find resource: " + pathToResource);
return;
}
in = new BufferedInputStream(resource.openStream());
out = new FileOutputStream(new File(destinationDirectory, fileName));
FileUtils.copyStream(in, out);
} catch (final Exception e) {
LogUtils.severe(
"File not found or could not be copied. "
+ "Was searching for "
+ pathToResource
+ " and should go to "
+ destinationDirectory.getAbsolutePath());
} finally {
FileUtils.silentlyClose(in, out);
}
}
/** to be used in a finally block. This method is null-safe. */
public static void silentlyClose(Closeable... streams) {
for (Closeable stream : streams) {
if (stream != null) {
try {
stream.close();
} catch (IOException e) {
LogUtils.severe(e);
}
}
}
}
/**
* In case of trouble, the method returns null.
*
* @param pInputFile the file to read.
* @return the complete content of the file. or null if an exception has occured.
*/
public static String readFile(final File pInputFile) {
final StringBuilder lines = new StringBuilder();
BufferedReader bufferedReader = null;
try {
bufferedReader = new BufferedReader(new FileReader(pInputFile));
final String endLine = System.getProperty("line.separator");
String line;
while ((line = bufferedReader.readLine()) != null) {
lines.append(line).append(endLine);
}
bufferedReader.close();
} catch (final Exception e) {
LogUtils.severe(e);
if (bufferedReader != null) {
try {
bufferedReader.close();
} catch (final Exception ex) {
LogUtils.severe(ex);
}
}
return null;
}
return lines.toString();
}
public static void setHidden(final File file, final boolean hidden, final boolean synchronously) {
final String osNameStart = System.getProperty("os.name").substring(0, 3);
if (osNameStart.equals("Win")) {
try {
Controller.exec("attrib " + (hidden ? "+" : "-") + "H \"" + file.getAbsolutePath() + "\"");
if (!synchronously) {
return;
}
int timeOut = 10;
while (file.isHidden() != hidden && timeOut > 0) {
Thread.sleep(10 /* miliseconds */);
timeOut--;
}
} catch (final Exception e) {
LogUtils.severe(e);
}
}
}
public static void copyFromURL(final URL resource, final File destinationDirectory) {
final String path = resource.getPath();
final int index = path.lastIndexOf('/');
final String fileName = index > -1 ? path.substring(index + 1) : path;
InputStream in = null;
OutputStream out = null;
try {
in = resource.openStream();
out = new FileOutputStream(new File(destinationDirectory, fileName));
FileUtils.copyStream(in, out);
} catch (final Exception e) {
LogUtils.severe(
"File not found or could not be copied. "
+ "Was searching for "
+ path
+ " and should go to "
+ destinationDirectory.getAbsolutePath());
} finally {
FileUtils.silentlyClose(in, out);
}
}