Java Utililty Methods Jar Entry

List of utility methods to do Jar Entry

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Description

The list of methods to do Jar Entry are organized into topic(s).

Method

StringconstructClassName(JarEntry je)
construct Class Name 
int n = je.getName().length() - ".class".length();
return je.getName().replace("/", ".").substring(0, n);
JarEntrygetJarEntry(JarFile file, String entryName)
Find the specified entry in the specified JAR file 
return file.getJarEntry(entryName);
booleanhasClassEntry(JarFile jarFile, String className)
has Class Entry 
String path = className.replace('.', '/') + ".class";
return jarFile.getEntry(path) != null;
booleaninClasspath(Collection classpath, JarEntry entry)
in Classpath 
for (String s : classpath) {
    if (entry.getName().startsWith(s)) {
        return true;
return false;
booleanisJavaClass(JarEntry je)
is Java Class 
return je.getName().endsWith(".class");
booleanisJavaLibrary(JarEntry entry)
is Java Library 
return entry.getName().toLowerCase().endsWith(".jar") || entry.getName().toLowerCase().endsWith(".zip");
booleanisNativeLibrary(JarEntry entry)
is Native Library 
String name = entry.getName();
int dotSeperatorPosition = name.lastIndexOf('.');
if (dotSeperatorPosition <= 0) {
    return false;
String type = name.substring(dotSeperatorPosition + 1);
if (NATIVE_LIB_FILE_TYPES.contains(type)) {
    return true;
...
StringparseSimpleName(JarEntry entry)
Returns the name of a JAR or ZIP entry without the path. 
int index = entry.getName().lastIndexOf("/");
String simpleName;
if (index > 0) {
    simpleName = entry.getName().substring(index);
} else {
    simpleName = entry.getName();
if (!simpleName.endsWith(".jar") && !simpleName.endsWith(".zip")) { 
...
StringtrimEntryName(JarEntry je)
trim Entry Name 
String[] s = je.getName().toLowerCase().replace(".htm", "").split("/");
return s[s.length - 1];