public static boolean isRunningFromJar() {
boolean result;
String home = privateInstance.getHome();
// is the returned path ending with .jar?
int lastDot = home.lastIndexOf('.');
if (lastDot > 0 && lastDot < home.length() - 1) {
result = home.substring(lastDot).toUpperCase().equals(".JAR");
} else {
result = false;
}
return result;
}
private static String getStringFromFileSystem(String resourceIdentifier) {
StringBuffer result = new StringBuffer();
try {
String tt = privateInstance.getHome();
File in = new File(tt + resourceIdentifier);
BufferedReader inputReader = new BufferedReader(new FileReader(in));
String newLine;
while ((newLine = inputReader.readLine()) != null) {
result.append(newLine);
}
inputReader.close();
} catch (FileNotFoundException e) {
JOptionPane.showMessageDialog(null, e);
} catch (IOException e) {
JOptionPane.showMessageDialog(null, e);
}
return result.toString();
}
private static String getStringFromJar(String resourceIdentifier) {
StringBuilder result = new StringBuilder();
try {
JarFile jar = new JarFile(privateInstance.getHome());
ZipEntry entry = jar.getEntry(resourceIdentifier);
BufferedReader inputReader =
new BufferedReader(new InputStreamReader(jar.getInputStream(entry)));
String newLine;
while ((newLine = inputReader.readLine()) != null) {
result.append(newLine);
}
inputReader.close();
} catch (FileNotFoundException e) {
JOptionPane.showMessageDialog(null, e);
} catch (IOException e) {
JOptionPane.showMessageDialog(null, e);
}
return result.toString();
}
private static void copyFileFromJar(String sourceFileName, File target) {
try {
JarFile jar = new JarFile(privateInstance.getHome());
ZipEntry entry = jar.getEntry(sourceFileName);
InputStream inputStream = new BufferedInputStream(jar.getInputStream(entry));
OutputStream outputStream = new BufferedOutputStream(new FileOutputStream(target));
byte[] buffer = new byte[4096];
for (; ; ) {
int nBytes = inputStream.read(buffer);
if (nBytes <= 0) break;
outputStream.write(buffer, 0, nBytes);
}
outputStream.flush();
outputStream.close();
inputStream.close();
} catch (FileNotFoundException e) {
JOptionPane.showMessageDialog(null, e);
} catch (IOException e) {
JOptionPane.showMessageDialog(null, e);
}
}