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Prints all resources in classpath
package org.kkarad;
import java.io.File;
import java.io.IOException;
import java.net.URISyntaxException;
import java.net.URL;
import java.net.URLClassLoader;
import java.util.Enumeration;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;
class ClasspathFileListPrinter {
private URLClassLoader classLoader;
ClasspathFileListPrinter(URLClassLoader classLoader) {
this.classLoader = classLoader;
}
public void print() {
try {
URL[] urls = classLoader.getURLs();
for (URL url : urls) {
printUrl(url);
}
} catch (Exception e) {
e.printStackTrace();
}
}
private void printUrl(URL url) throws URISyntaxException, IOException {
File file = new File(url.toURI());
if (file.isDirectory()) {
printDirContent(file);
} else {
printJarContent(new JarFile(file));
}
}
private void printJarContent(JarFile jarFile) {
Enumeration<JarEntry> enumeration = jarFile.entries();
while (enumeration.hasMoreElements()) {
System.out.println(enumeration.nextElement().getName());
}
}
private void printDirContent(File dir) throws IOException {
String[] children = dir.list();
for (String aChildren : children) {
visitAllDirsAndFiles(new File(dir, aChildren));
}
}
private void visitAllDirsAndFiles(File file) throws IOException {
if (file.isDirectory()) {
printDirContent(file);
} else {
System.out.println(file.getCanonicalPath());
}
}
}
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