*  . . .
 * return joiner.join("Harry", null, "Ron", "Hermione");
 * }</pre>
 *
 * <p>This returns the string {@code "Harry; Ron; Hermione"}. Note that all input elements are
 * converted to strings using {@link Object#toString()} before being appended.
 *
 * <p>If neither {@link #skipNulls()} nor {@link #useForNull(String)} is specified, the joining

import java.util.List;
import java.util.Map;

import org.codelibs.core.beans.Converter;
import org.codelibs.core.beans.converter.DateConverter;
import org.codelibs.core.beans.converter.NumberConverter;
import org.codelibs.core.beans.converter.SqlDateConverter;
import org.codelibs.core.beans.converter.TimeConverter;
import org.codelibs.core.beans.converter.TimestampConverter;
import org.codelibs.core.convert.DateConversionUtil;

     */
    @Test
    public void testGetAsObjectAndGetAsString() throws Exception {
        final DateConverter converter = new DateConverter("yyyy/MM/dd");
        final Date result = (Date) converter.getAsObject("2008/01/16");
        System.out.println(result);
        assertThat(converter.getAsString(result), is("2008/01/16"));
    }

    /**
     * @throws Exception
     */
    @Test

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

/**
 * 文字列とオブジェクトの変換を行なうインターフェースです。
 *
 * @author higa
 */
public interface Converter {

    /**
     * 値を文字列として返します。
     *
     * @param value
     *            値
     * @return 文字列としての値
     */
    String getAsString(Object value);

    /**
     * 値をオブジェクトとして返します。
     *

  public void testStringConverter_convert() {
    Converter<String, Long> converter = Longs.stringConverter();
    assertThat(converter.convert("1")).isEqualTo((Long) 1L);
    assertThat(converter.convert("0")).isEqualTo((Long) 0L);
    assertThat(converter.convert("-1")).isEqualTo((Long) (-1L));
    assertThat(converter.convert("0xff")).isEqualTo((Long) 255L);
    assertThat(converter.convert("0xFF")).isEqualTo((Long) 255L);

  public void testStringConverter_convert() {
    Converter<String, Long> converter = Longs.stringConverter();
    assertThat(converter.convert("1")).isEqualTo((Long) 1L);
    assertThat(converter.convert("0")).isEqualTo((Long) 0L);
    assertThat(converter.convert("-1")).isEqualTo((Long) (-1L));
    assertThat(converter.convert("0xff")).isEqualTo((Long) 255L);
    assertThat(converter.convert("0xFF")).isEqualTo((Long) 255L);

  public void testStringConverter_convert() {
    Converter<String, Double> converter = Doubles.stringConverter();
    assertThat(converter.convert("1.0")).isEqualTo((Double) 1.0);
    assertThat(converter.convert("0.0")).isEqualTo((Double) 0.0);
    assertThat(converter.convert("-1.0")).isEqualTo((Double) (-1.0));
    assertThat(converter.convert("1")).isEqualTo((Double) 1.0);
    assertThat(converter.convert("0")).isEqualTo((Double) 0.0);

  public void testStringConverter_convert() {
    Converter<String, Double> converter = Doubles.stringConverter();
    assertThat(converter.convert("1.0")).isEqualTo((Double) 1.0);
    assertThat(converter.convert("0.0")).isEqualTo((Double) 0.0);
    assertThat(converter.convert("-1.0")).isEqualTo((Double) (-1.0));
    assertThat(converter.convert("1")).isEqualTo((Double) 1.0);
    assertThat(converter.convert("0")).isEqualTo((Double) 0.0);

     */
    public static final ArtifactStatus GENERATED = new ArtifactStatus("generated", 1);

    /**
     * Low trust - was converted from the Maven 1.x repository.
     */
    public static final ArtifactStatus CONVERTED = new ArtifactStatus("converted", 2);

    /**
     * Moderate trust - it was deployed directly from a partner.
     */

    Converter<String, Integer> converter = Maps.asConverter(biMap);
    assertNull(converter.convert(null));
    assertNull(converter.reverse().convert(null));
  }

  public void testAsConverter_isAView() throws Exception {
    BiMap<String, Integer> biMap = HashBiMap.create();
    biMap.put("one", 1);
    biMap.put("two", 2);
    Converter<String, Integer> converter = Maps.asConverter(biMap);