}

    @Override
    public boolean hasPropertyDesc(final String propertyName) {
        assertArgumentNotEmpty("propertyName", propertyName);

        return propertyDescCache.get(propertyName) != null;
    }

    @Override
    public PropertyDesc getPropertyDesc(final String propertyName) {
        assertArgumentNotEmpty("propertyName", propertyName);

        final PropertyDesc pd = propertyDescCache.get(propertyName);

     * @return The text read from the file.
     */
    public static String readText(final String path, final String encoding) {
        assertArgumentNotEmpty("path", path);
        assertArgumentNotEmpty("encoding", encoding);

        final URL url = ResourceUtil.getResource(path);
        if (url.getProtocol().equals("file")) {
            return readText(URLUtil.toFile(url), encoding);

     * @param argValue
     *            The value of the argument.
     * @throws EmptyArgumentException
     *             If the argument is <code>null</code> or an empty string.
     */
    public static void assertArgumentNotEmpty(final String argName, final String argValue) {
        if (StringUtil.isEmpty(argValue)) {
            throw new EmptyArgumentException(argName, "ECL0010", asArray(argName));
        }
    }

    /**

    public static int copy(final File in, final String inputEncoding, final File out, final String outputEncoding) {
        assertArgumentNotNull("in", in);
        assertArgumentNotEmpty("inputEncoding", inputEncoding);
        assertArgumentNotNull("out", out);
        assertArgumentNotEmpty("outputEncoding", outputEncoding);

        final Reader is = ReaderUtil.create(in, inputEncoding);
        try {

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

import static org.codelibs.core.collection.CollectionsUtil.newHashMap;
import static org.codelibs.core.misc.AssertionUtil.assertArgumentNotEmpty;
import static org.codelibs.core.misc.AssertionUtil.assertArgumentNotNull;

import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.Map;

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

import static org.codelibs.core.misc.AssertionUtil.assertArgumentNotEmpty;
import static org.codelibs.core.misc.AssertionUtil.assertArgumentNotNull;

import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;

package org.codelibs.core.log;

import static org.codelibs.core.collection.ArrayUtil.asArray;
import static org.codelibs.core.collection.CollectionsUtil.newHashMap;
import static org.codelibs.core.misc.AssertionUtil.assertArgumentNotEmpty;
import static org.codelibs.core.misc.AssertionUtil.assertArgumentNotNull;

import java.util.Map;

import org.codelibs.core.exception.ClIllegalArgumentException;
import org.codelibs.core.message.MessageFormatter;

import static org.codelibs.core.collection.CollectionsUtil.newConcurrentHashMap;
import static org.codelibs.core.collection.CollectionsUtil.newHashSet;
import static org.codelibs.core.misc.AssertionUtil.assertArgumentNotEmpty;
import static org.codelibs.core.misc.AssertionUtil.assertArgumentNotNull;

import java.io.File;
import java.net.URL;
import java.util.Iterator;
import java.util.List;
import java.util.Set;