*
 * @author higa
 */
public abstract class PropertiesUtil {

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

    /**
     * Wraps exception handling for {@link Properties#load(InputStream)}.
     * <p>
     * The input stream is not closed.
     * </p>
     *
     * @param props the property set (must not be {@literal null})

    protected final Iterator<E>[] iterators;

    /** Index of the currently iterated {@link Iterator}. */
    protected int index;

    /**
     * Returns an {@link Iterable} that wraps a {@link MultiIterator} for use in a for-each statement.
     *
     * @param <E> the element type
     * @param iterables the array of {@link Iterable} (must not be {@literal null})

    public String getUserId() {
        return username;
    }

    /**
     * Returns a string representation of this credential.
     *
     * @return A string representation containing the username in braces
     */
    @Override
    public String toString() {
        return "{" + username + "}";
    }

    /** {@link Iterator} */
    protected final Iterator<T> iterator;

    /** The index of the iterator. */
    protected int index;

    /**
     * Returns an {@link Iterable} that wraps an {@link IndexedIterator} for use in a for-each statement.
     *
     * @param <T> the element type
     * @param iterable the iterable (must not be {@literal null})

    protected String line = EMPTY;

    /**
     * Returns an {@link Iterable} that wraps a {@link LineIterator} for use in enhanced for-loops.
     *
     * @param reader
     *            The {@link Reader} to read strings from. Must not be {@literal null}.
     * @return An {@link Iterable} that wraps a {@link LineIterator}.
     */
    public static Iterable<String> iterable(final Reader reader) {

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

/**
 * Exception that wraps {@link IndexOutOfBoundsException}.
 *
 * @author wyukawa
 */
public class ClIndexOutOfBoundsException extends IndexOutOfBoundsException {

    private static final long serialVersionUID = -824874776607593608L;

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

/**
 * Exception that wraps {@link UnsupportedOperationException}.
 *
 * @author wyukawa
 */
public class ClUnsupportedOperationException extends UnsupportedOperationException {

    private static final long serialVersionUID = -6732367317955522602L;

 * This exception holds an array of Throwable objects representing the individual causes.
 * It extends CrawlingAccessException and provides methods to print the stack traces of all causes.
 *
 */
public class MultipleCrawlingAccessException extends CrawlingAccessException {

    private static final long serialVersionUID = 1L;

    /**

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

/**
 * Exception that wraps {@link IllegalStateException}.
 *
 * @author wyukawa
 */
public class ClIllegalStateException extends IllegalStateException {

    private static final long serialVersionUID = -2154525994315946504L;

    /**

 */
package org.codelibs.core.exception;

import static org.codelibs.core.collection.ArrayUtil.asArray;

import java.lang.reflect.InvocationTargetException;

/**
 * Exception that wraps {@link InvocationTargetException}.
 *
 * @author higa
 */
public class InvocationTargetRuntimeException extends ClRuntimeException {

    private static final long serialVersionUID = 7760491787158046906L;

    /**