* @see ResourceTraversalUtil
 */
public abstract class TraversalUtil {

    /**
     * Do not instantiate.
     */
    protected TraversalUtil() {
    }

    /** An empty array of {@link Traverser}. */
    protected static final Traverser[] EMPTY_ARRAY = new Traverser[0];

    private static final Logger logger = Logger.getLogger(TraversalUtil.class);

import java.util.List;
import java.util.Set;

import junit.framework.TestCase;
import junit.textui.ResultPrinter;
import junit.textui.TestRunner;

import org.codelibs.core.io.TraversalUtil.FileSystemTraverser;
import org.codelibs.core.io.TraversalUtil.JarFileTraverser;
import org.codelibs.core.io.xxx.DummyTest;
import org.codelibs.core.lang.ClassUtil;
import org.junit.Test;

/**
 * @author koichik
 */

 * governing permissions and limitations under the License.
 */
package org.codelibs.core.io;

/**
 * Object representing a collection of classes or resources.
 *
 * @author koichik
 * @see TraversalUtil
 */
public interface Traverser {

    /**
     * Returns <code>true</code> if the class file corresponding to the specified class name exists in the resources handled by this instance.
     * <p>

import org.codelibs.core.jar.JarFileUtil;
import org.codelibs.core.zip.ZipInputStreamUtil;

/**
 * Class for traversing resources.
 *
 * @author taedium
 * @see ResourceHandler
 * @see TraversalUtil
 */
public abstract class ResourceTraversalUtil {

    /**
     * Do not instantiate.
     */
    protected ResourceTraversalUtil() {
    }

    /**

import org.codelibs.core.lang.ClassUtil;
import org.codelibs.core.zip.ZipInputStreamUtil;

/**
 * Handler for traversing and processing classes.
 *
 * @author koichik
 * @see ClassHandler
 * @see TraversalUtil
 */
public abstract class ClassTraversalUtil {

    /**
     * Do not instantiate.
     */
    protected ClassTraversalUtil() {
    }

    /** The file extension for class files. */