Java Utililty Methods Jar Usage

List<String> myClassName = new ArrayList<String>();
String[] jarInfo = jarPath.split("!");
String jarFilePath = jarInfo[0].substring(jarInfo[0].indexOf("/"));
String packagePath = jarInfo[1].substring(1);
try {
    JarFile jarFile = new JarFile(jarFilePath);
    Enumeration<JarEntry> entrys = jarFile.entries();
    while (entrys.hasMoreElements()) {
...

JarFile jarFile = new JarFile(jarFileName);
String[] tabEntriesName = null;
int nbEntries = jarFile.size();
if (nbEntries > 0) {
    Enumeration jarEntries = jarFile.entries();
    tabEntriesName = new String[nbEntries];
    JarEntry currentJarEntry = null;
    int i = 0;
...

Enumeration jarEntries = jar.entries();
Set<String> files = new HashSet();
while (jarEntries.hasMoreElements()) {
    String entry = ((JarEntry) jarEntries.nextElement()).getName();
    if (entry.endsWith(suffix)) {
        files.add(entry);
return files.toArray(new String[files.size()]);

JarFile jarFile = new JarFile(jarFileName);
System.out.println("\n---------------------------------------------------------");
System.out.println("Information about the jar file: " + jarFileName);
System.out.println("---------------------------------------------------------");
Enumeration jarEntries = jarFile.entries();
JarEntry currentJarEntry = null;
while (jarEntries.hasMoreElements()) {
    currentJarEntry = (JarEntry) jarEntries.nextElement();
...

List<String> list = new ArrayList<String>();
for (Enumeration<JarEntry> e = jarFile.entries(); e.hasMoreElements();) {
    JarEntry entry = e.nextElement();
    String name = entry.getName();
    if (name.startsWith(targetPath)) {
        list.add(name);
return list;

List<String> result = new ArrayList<String>();
Enumeration<JarEntry> entries = jarFile.entries(); 
while (entries.hasMoreElements()) {
    JarEntry entry = entries.nextElement();
    if (suffix == null || entry.getName().endsWith(suffix))
        result.add("/" + entry.getName());
return result;
...

Map<String, String> sortedMainAttributes = new TreeMap<String, String>();
for (Map.Entry<Object, Object> attributeEntry : mainAttributes.entrySet()) {
    Attributes.Name attributeName = (Attributes.Name) attributeEntry.getKey();
    sortedMainAttributes.put(attributeName.toString(), (String) attributeEntry.getValue());
return sortedMainAttributes;

Enumeration<JarEntry> e = jarFile.entries();
ArrayList<JarEntry> list = new ArrayList<JarEntry>();
while (e.hasMoreElements()) {
    JarEntry jarEntry = e.nextElement();
    list.add(jarEntry);
JarEntry[] sortedJarEntries = new JarEntry[list.size()];
int outerClassInd = 0;
...

boolean isSet = false;
String s = attributes.getValue(name);
if (s != null) {
    s = s.trim();
    isSet = s.equalsIgnoreCase("true");
return isSet;

final Enumeration<JarEntry> entries = jarFile.entries();
final Set<String> result = new TreeSet<String>();
while (entries.hasMoreElements()) {
    final String name = entries.nextElement().getName();
    if (name.startsWith(path)) {
        result.add(name.substring(path.length()));
return result;