* @param buf
     *            The string buffer. Must not be {@literal null}.
     */
    public static void appendElement(final Element element, final StringBuilder buf) {
        assertArgumentNotNull("element", element);
        assertArgumentNotNull("buf", buf);

        final String tag = element.getTagName();
        buf.append('<');
        buf.append(tag);
        appendAttrs(element.getAttributes(), buf);

     * @return A {@link ByteBuffer} that maps the file channel to memory.
     */
    public static ByteBuffer map(final FileChannel channel, final MapMode mode) {
        assertArgumentNotNull("channel", channel);
        assertArgumentNotNull("mode", mode);

        try {
            return channel.map(mode, 0, channel.size());
        } catch (final IOException e) {
            throw new IORuntimeException(e);
        }

 */
package org.codelibs.core.sql;

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

import java.sql.Driver;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.util.Enumeration;

import org.codelibs.core.exception.SQLRuntimeException;

     */
    public static void forEach(final JarFile jarFile, final String prefix, final ClassHandler handler) {
        assertArgumentNotNull("jarFile", jarFile);
        assertArgumentNotNull("prefix", prefix);
        assertArgumentNotNull("handler", handler);

        final int startPos = prefix.length();
        for (final JarEntry entry : iterable(jarFile.entries())) {

import static java.text.DateFormat.getDateTimeInstance;
import static org.codelibs.core.lang.StringUtil.isEmpty;
import static org.codelibs.core.lang.StringUtil.isNotEmpty;
import static org.codelibs.core.misc.AssertionUtil.assertArgumentNotNull;

import java.sql.Timestamp;
import java.text.DateFormat;
import java.text.ParsePosition;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.Iterator;

        assertArgumentNotNull("iterator", iterator);
        this.iterator = iterator;
    }

    /**
     * Creates an {@link IteratorEnumeration}.
     *
     * @param iterable the iterable object (must not be {@literal null})
     */
    public IteratorEnumeration(final Iterable<T> iterable) {
        assertArgumentNotNull("iterable", iterable);

 * 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.assertArgumentNotNull;

import java.lang.annotation.Annotation;
import java.util.Map;

import org.codelibs.core.beans.BeanDesc;
import org.codelibs.core.beans.MethodDesc;
import org.codelibs.core.beans.factory.BeanDescFactory;

 */
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;

import org.codelibs.core.exception.IORuntimeException;

        assertArgumentNotNull("reader", reader);

        return () -> new LineIterator(reader);
    }

    /**
     * Constructs an instance.
     *
     * @param reader
     *            The {@link Reader} to read strings from. Must not be {@literal null}.
     */
    public LineIterator(final Reader reader) {
        assertArgumentNotNull("reader", reader);

     *            The constructor. Must not be {@literal null}.
     */
    public ConstructorDescImpl(final BeanDesc beanDesc, final Constructor<?> constructor) {
        assertArgumentNotNull("beanDesc", beanDesc);
        assertArgumentNotNull("constructor", constructor);

        this.beanDesc = beanDesc;
        this.constructor = constructor;
        parameterTypes = constructor.getParameterTypes();