* thumbnails, plugins, and other resources required by the Fess search engine.
 * It supports both regular deployment and Docker container environments.
 *
 */
public class ResourceUtil {
    /** Environment variable name for overriding the configuration path */
    private static final String FESS_OVERRIDE_CONF_PATH = "FESS_OVERRIDE_CONF_PATH";

import org.codelibs.core.jar.JarFileUtil;
import org.codelibs.core.net.URLUtil;

/**
 * Utility class for resource handling.
 *
 * @author higa
 */
public abstract class ResourceUtil {

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

    /**
     * Returns the resource path.
     *
     * @param path
     *            The path. Must not be {@literal null}.
     * @param extension

        assertEquals("1", true, ResourceUtil.isExist("CLMessages.properties"));
        assertEquals("2", false, ResourceUtil.isExist("hoge"));
    }

    /**
     * @throws Exception
     */
    public void testGetExtension() throws Exception {
        assertEquals("1", "xml", ResourceUtil.getExtension("aaa/bbb.xml"));
        assertEquals("2", null, ResourceUtil.getExtension("aaa"));
    }

    /**

        final Path viewPath = ResourceUtil.getViewTemplatePath(themeName);
        closeQuietly(viewPath);
        final Path imagePath = ResourceUtil.getImagePath(themeName);
        closeQuietly(imagePath);
        final Path cssPath = ResourceUtil.getCssPath(themeName);
        closeQuietly(cssPath);
        final Path jsPath = ResourceUtil.getJavaScriptPath(themeName);
        closeQuietly(jsPath);
    }

        count = 0;
    }

    /**
     * @throws Exception
     */
    @Test
    public void testForEachFile() throws Exception {
        final File rootDir = ResourceUtil.getBuildDir(getClass());
        final String path = ResourceUtil.getResourcePath(getClass());
        final int pos = path.lastIndexOf("/");
        final String baseDirectory = path.substring(0, pos);

import org.junit.Test;
import org.junit.rules.ExpectedException;
import org.junit.rules.TemporaryFolder;

/**
 * @author wyukawa
 *
 */
public class PropertiesUtilTest {

    URL url = ResourceUtil.getResource(getClass().getName().replace('.', '/') + ".txt");

    File inputFile = URLUtil.toFile(url);

    /**
     *
     */
    @Rule
    public TemporaryFolder tempFolder = new TemporaryFolder();

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

import javax.xml.parsers.DocumentBuilder;

import junit.framework.TestCase;

import org.codelibs.core.io.ResourceUtil;
import org.w3c.dom.Document;
import org.w3c.dom.Element;

/**
 * @author higa
 *
 */
public class DomUtilTest extends TestCase {

    /**
     * @throws Exception
     */

                    try (InputStream is = ResourceUtil.getResourceAsStream(url)) {
                        return new String(InputStreamUtil.getBytes(is), Constants.UTF_8);
                    } catch (IOException e) {
                        throw new IORuntimeException(e);
                    }
                } else if (url.contains("plugin/repo2")) {
                    try (InputStream is = ResourceUtil.getResourceAsStream(url)) {

     * @throws Exception
     */
    @Test
    public void testForEachJarFile() throws Exception {
        final String classFilePath = TestCase.class.getName().replace('.', '/') + ".class";
        final URL classURL = ResourceUtil.getResource(classFilePath);
        final JarURLConnection con = (JarURLConnection) classURL.openConnection();
        ClassTraversalUtil.forEach(con.getJarFile(), (ClassHandler) (packageName, shortClassName) -> {

        value = null;
        assertNull(ResourceUtil.resolve(value));

        value = "";
        assertEquals("", ResourceUtil.resolve(value));

        value = "a";
        assertEquals(value, ResourceUtil.resolve(value));

        value = "${a}";
        assertEquals(value, ResourceUtil.resolve(value));

        value = "$a";
        assertEquals(value, ResourceUtil.resolve(value));

        value = "${a";