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    1   /*
    2    * Licensed to the Apache Software Foundation (ASF) under one or more
    3    * contributor license agreements.  See the NOTICE file distributed with
    4    * this work for additional information regarding copyright ownership.
    5    * The ASF licenses this file to You under the Apache License, Version 2.0
    6    * (the "License"); you may not use this file except in compliance with
    7    * the License.  You may obtain a copy of the License at
    8    *
    9    *      http://www.apache.org/licenses/LICENSE-2.0
    10   *
    11   * Unless required by applicable law or agreed to in writing, software
    12   * distributed under the License is distributed on an "AS IS" BASIS,
    13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14   * See the License for the specific language governing permissions and
    15   * limitations under the License.
    16   */
    17  package org.apache.commons.beanutils.converters;
    18
    19  import java.net.URL;
    20
    21  /***
    22   * {@link org.apache.commons.beanutils.Converter} implementaion that handles conversion
    23   * to and from <b>java.net.URL</b> objects.
    24   * <p>
    25   * Can be configured to either return a <i>default value</i> or throw a
    26   * <code>ConversionException</code> if a conversion error occurs.
    27   *
    28   * @version $Revision: 555845 $ $Date: 2007-07-13 03:52:05 +0100 (Fri, 13 Jul 2007) $
    29   * @since 1.3
    30   */
    31  public final class URLConverter extends AbstractConverter {
    32
    33      /***
    34       * Construct a <b>java.net.URL</b> <i>Converter</i> that throws
    35       * a <code>ConversionException</code> if an error occurs.
    36       */
    37      public URLConverter() {
    38          super(URL.class);
    39      }
    40
    41      /***
    42       * Construct a <b>java.net.URL</b> <i>Converter</i> that returns
    43       * a default value if an error occurs.
    44       *
    45       * @param defaultValue The default value to be returned
    46       * if the value to be converted is missing or an error
    47       * occurs converting the value.
    48       */
    49      public URLConverter(Object defaultValue) {
    50          super(URL.class, defaultValue);
    51      }
    52
    53      /***
    54       * <p>Convert a java.net.URL or object into a String.</p>
    55       *
    56       * @param type Data type to which this value should be converted.
    57       * @param value The input value to be converted.
    58       * @return The converted value.
    59       * @throws Throwable if an error occurs converting to the specified type
    60       */
    61      protected Object convertToType(Class type, Object value) throws Throwable {
    62          return new URL(value.toString());
    63      }
    64
    65  }