}

    /**
     * Returns the object, or the defaultValue if the object is <code>null</code>.
     * <p>
     * Usage example:
     * </p>
     *
     * <pre>
     * ObjectUtil.defaultValue(null, "NULL")  = "NULL"
     * ObjectUtil.defaultValue(null, 1)    = 1
     * ObjectUtil.defaultValue(Boolean.TRUE, true) = Boolean.TRUE
     * ObjectUtil.defaultValue(null, null) = null
     * </pre>
     *

    assertEquals(false, Defaults.defaultValue(boolean.class).booleanValue());
    assertEquals('\0', Defaults.defaultValue(char.class).charValue());
    assertEquals(0, Defaults.defaultValue(byte.class).byteValue());
    assertEquals(0, Defaults.defaultValue(short.class).shortValue());
    assertEquals(0, Defaults.defaultValue(int.class).intValue());
    assertEquals(0, Defaults.defaultValue(long.class).longValue());

          <description></description>
          <type>boolean</type>
          <defaultValue>false</defaultValue>
        </field>
        <field>
          <name>inheritedByDefault</name>
          <version>1.0.0+</version>
          <description></description>
          <type>boolean</type>
          <defaultValue>true</defaultValue>
        </field>
        <field>
          <name>requiredJavaVersion</name>

    }

    public void setEditable(boolean editable) {
        this.editable = editable;
    }

    public void setDefaultValue(String defaultValue) {
        this.defaultValue = defaultValue;
    }

    public String getDefaultValue() {
        return defaultValue;
    }

    @Override
    public String toString() {
        return "Mojo parameter [name: '" + getName() + "'; alias: '" + getAlias() + "']";

     * {@link org.codelibs.core.lang.ObjectUtil#defaultValue(Object, Object)} .
     */
    @Test
    public void testDefaultValue() {
        final Hoge hoge = new Hoge();
        assertSame(ObjectUtil.defaultValue(null, hoge), hoge);
        assertSame(ObjectUtil.defaultValue(hoge, null), hoge);
        assertSame(ObjectUtil.defaultValue(hoge, hoge), hoge);
        assertSame(ObjectUtil.defaultValue(null, null), null);

      implements Function<K, V>, Serializable {
    final Map<K, ? extends V> map;
    @ParametricNullness final V defaultValue;

    ForMapWithDefault(Map<K, ? extends V> map, @ParametricNullness V defaultValue) {
      this.map = checkNotNull(map);
      this.defaultValue = defaultValue;
    }

    @Override
    @ParametricNullness
    public V apply(@ParametricNullness K key) {

          <type>String</type>
          <defaultValue>default</defaultValue>
          <description>The layout of the mirror repository.
            @since Maven 3.</description>
        </field>
        <field>
          <name>mirrorOfLayouts</name>
          <version>1.1.0+</version>
          <type>String</type>
          <defaultValue>default,legacy</defaultValue>
          <description>

     *
     * @param key the property key
     * @param defaultValue the default value
     * @return the property value, or the default value if not found
     */
    public static String getProperty(String key, String defaultValue) {
        return System.getProperty(key, defaultValue);
    }

    /**
     * Returns the system environment variable value for the specified key.
     *

   * Returns the first element in {@code iterable} that satisfies the given predicate, or {@code
   * defaultValue} if none found. Note that this can usually be handled more naturally using {@code
   * tryFind(iterable, predicate).or(defaultValue)}.
   *
   * <p><b>{@code Stream} equivalent:</b> {@code
   * stream.filter(predicate).findFirst().orElse(defaultValue)}
   *
   * @since 7.0
   */
  // The signature we really want here is...
  //

     *
     * @param defaultValue the new default file type value
     */
    public void setDefaultValue(final String defaultValue) {
        this.defaultValue = defaultValue;
    }

    /**
     * Gets all distinct file types currently configured in the mappings.
     *
     * @return an array of all unique file type values
     */
    public String[] getTypes() {