X-Git-Url: http://git.nikiroo.be/?p=fanfix.git;a=blobdiff_plain;f=src%2Fbe%2Fnikiroo%2Futils%2Fresources%2FTransBundle_ResourceList.java;fp=src%2Fbe%2Fnikiroo%2Futils%2Fresources%2FTransBundle_ResourceList.java;h=9983b8bc09915f16e26dbd67cbd391d097b345dd;hp=0000000000000000000000000000000000000000;hb=d46b7b96f94e88a776bcd2dfd756549ffb300cc9;hpb=c9994f27667bc421bcd448d39e55774fddf5c431

diff --git a/src/be/nikiroo/utils/resources/TransBundle_ResourceList.java b/src/be/nikiroo/utils/resources/TransBundle_ResourceList.java
new file mode 100644
index 0000000..9983b8b
--- /dev/null
+++ b/src/be/nikiroo/utils/resources/TransBundle_ResourceList.java
@@ -0,0 +1,125 @@
+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) {
+					}
+				}
+			}
+		}
+	}
+}