Java Utililty Methods Jar File Find

List of utility methods to do Jar File Find

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Description

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

Method

ListfindAllPluginJars0(final File pluginPath)
find All Plugin Jars 
final List<URL> jars = new ArrayList<URL>();
for (final File entry : pluginPath.listFiles()) {
    if (entry.isDirectory()) {
        jars.addAll(findAllPluginJars0(entry));
    } else if (entry.isFile() && entry.getName().toLowerCase().endsWith(".jar")) {
        jars.add(entry.toURI().toURL());
return jars;
URLfindClassJar(final Class aClass)
The retrieves the URL of the Jar file containing the given class 
return aClass.getResource('/' + aClass.getName().replace('.', '/') + ".class");
StringfindContainingJar(@SuppressWarnings("rawtypes") Class my_class, ClassLoader loader)
find Containing Jar 
String class_file = my_class.getName().replaceAll("\\.", "/") + ".class";
return findContainingJar(class_file, loader);
StringfindContainingJar(Class my_class)
Find a jar that contains a class of the same name, if any. 
ClassLoader loader = my_class.getClassLoader();
String class_file = my_class.getName().replaceAll("\\.", "/") + ".class";
try {
    for (Enumeration itr = loader.getResources(class_file); itr.hasMoreElements();) {
        URL url = (URL) itr.nextElement();
        if ("jar".equals(url.getProtocol())) {
            String toReturn = url.getPath();
            if (toReturn.startsWith("file:")) {
...
StringfindContainingJar(Class clazz)
find Containing Jar 
ClassLoader loader = clazz.getClassLoader();
String classFile = clazz.getName().replaceAll("\\.", "/") + ".class";
try {
    for (final Enumeration<URL> itr = loader.getResources(classFile); itr.hasMoreElements();) {
        final URL url = itr.nextElement();
        if ("jar".equals(url.getProtocol())) {
            String path = url.getPath();
            if (path.startsWith("file:")) {
...
StringfindContainingJar(Class clazz)
find Containing Jar 
return findContainingJar(clazz, null);
StringfindContainingJar(Class myClass, Map packagedClasses)
Find a jar that contains a class of the same name, if any. 
ClassLoader loader = myClass.getClassLoader();
String classFile = myClass.getName().replaceAll("\\.", "/") + ".class";
for (Enumeration<URL> itr = loader.getResources(classFile); itr.hasMoreElements();) {
    URL url = itr.nextElement();
    if ("jar".equals(url.getProtocol())) {
        String toReturn = url.getPath();
        if (toReturn.startsWith("file:")) {
            toReturn = toReturn.substring("file:".length());
...
FilefindContainingJar(ClassLoader classLoader, String resourceName)
find Containing Jar 
File jarFile;
URL url = Thread.currentThread().getContextClassLoader().getResource(resourceName);
if ("jar".equals(url.getProtocol())) { 
    String path = url.getPath();
    int index = path.indexOf("!/"); 
    if (index >= 0) {
        try {
            String jarPath = path.substring(0, index);
...
StringfindJar(Class klass)
find Jar 
String className = klass.getName();
ClassLoader cl = klass.getClassLoader();
return findJar(className, cl);
StringfindJar(Class my_class)
find Jar 
ClassLoader loader = my_class.getClassLoader();
String class_file = my_class.getName().replaceAll("\\.", "/") + ".class";
try {
    for (Enumeration<?> itr = loader.getResources(class_file); itr.hasMoreElements();) {
        URL url = (URL) itr.nextElement();
        if ("jar".equals(url.getProtocol())) {
            String toReturn = url.getPath();
            if (toReturn.startsWith("file:")) {
...