--- /dev/null
+package be.nikiroo.utils.resources;
+
+// code copied from from:
+// http://forums.devx.com/showthread.php?t=153784,
+// via:
+// http://stackoverflow.com/questions/3923129/get-a-list-of-resources-from-classpath-directory
+
+import java.io.File;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Enumeration;
+import java.util.List;
+import java.util.regex.Pattern;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipException;
+import java.util.zip.ZipFile;
+
+/**
+ * list resources available from the classpath @ *
+ */
+class TransBundle_ResourceList {
+
+ /**
+ * for all elements of java.class.path get a Collection of resources Pattern
+ * pattern = Pattern.compile(".*"); gets all resources
+ *
+ * @param pattern
+ * the pattern to match
+ * @return the resources in the order they are found
+ */
+ public static Collection<String> getResources(final Pattern pattern) {
+ final ArrayList<String> retval = new ArrayList<String>();
+ final String classPath = System.getProperty("java.class.path", ".");
+ final String[] classPathElements = classPath.split(System
+ .getProperty("path.separator"));
+ for (final String element : classPathElements) {
+ retval.addAll(getResources(element, pattern));
+ }
+
+ return retval;
+ }
+
+ private static Collection<String> getResources(final String element,
+ final Pattern pattern) {
+ final ArrayList<String> retval = new ArrayList<String>();
+ final File file = new File(element);
+ if (file.isDirectory()) {
+ retval.addAll(getResourcesFromDirectory(file, pattern));
+ } else {
+ retval.addAll(getResourcesFromJarFile(file, pattern));
+ }
+
+ return retval;
+ }
+
+ private static Collection<String> getResourcesFromJarFile(final File file,
+ final Pattern pattern) {
+ final ArrayList<String> retval = new ArrayList<String>();
+ ZipFile zf;
+ try {
+ zf = new ZipFile(file);
+ } catch (final ZipException e) {
+ throw new Error(e);
+ } catch (final IOException e) {
+ throw new Error(e);
+ }
+ final Enumeration<? extends ZipEntry> e = zf.entries();
+ while (e.hasMoreElements()) {
+ final ZipEntry ze = e.nextElement();
+ final String fileName = ze.getName();
+ final boolean accept = pattern.matcher(fileName).matches();
+ if (accept) {
+ retval.add(fileName);
+ }
+ }
+ try {
+ zf.close();
+ } catch (final IOException e1) {
+ throw new Error(e1);
+ }
+
+ return retval;
+ }
+
+ private static Collection<String> getResourcesFromDirectory(
+ final File directory, final Pattern pattern) {
+ List<String> acc = new ArrayList<String>();
+ List<File> dirs = new ArrayList<File>();
+ getResourcesFromDirectory(acc, dirs, directory, pattern);
+
+ List<String> rep = new ArrayList<String>();
+ for (String value : acc) {
+ if (pattern.matcher(value).matches()) {
+ rep.add(value);
+ }
+ }
+
+ return rep;
+ }
+
+ private static void getResourcesFromDirectory(List<String> acc,
+ List<File> dirs, final File directory, final Pattern pattern) {
+ final File[] fileList = directory.listFiles();
+ if (fileList != null) {
+ for (final File file : fileList) {
+ if (!dirs.contains(file)) {
+ try {
+ String key = file.getCanonicalPath();
+ if (!acc.contains(key)) {
+ if (file.isDirectory()) {
+ dirs.add(file);
+ getResourcesFromDirectory(acc, dirs, file,
+ pattern);
+ } else {
+ acc.add(key);
+ }
+ }
+ } catch (IOException e) {
+ }
+ }
+ }
+ }
+ }
+}