}

    @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);

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.core.io;

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

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.Properties;

     * @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));
        }
    }

    /**

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

import java.sql.Time;
import java.util.List;
import java.util.Map;

import org.codelibs.core.beans.Converter;

    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;

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;

 * 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;

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

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

import java.lang.reflect.Constructor;
import java.lang.reflect.Field;

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;