001/* -*- mode: Java; c-basic-offset: 2; indent-tabs-mode: nil; coding: utf-8-unix -*-
002 *
003 * Copyright © 2020 microBean™.
004 *
005 * Licensed under the Apache License, Version 2.0 (the "License");
006 * you may not use this file except in compliance with the License.
007 * You may obtain a copy of the License at
008 *
009 *     http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
014 * implied.  See the License for the specific language governing
015 * permissions and limitations under the License.
016 */
017package org.microbean.settings.converter;
018
019import java.net.URI;
020import java.net.URISyntaxException;
021
022import javax.enterprise.context.ApplicationScoped;
023
024import org.microbean.settings.Converter;
025import org.microbean.settings.Value;
026
027@ApplicationScoped
028public class URIConverter implements Converter<URI> {
029
030  private static final long serialVersionUID = 1L;
031
032  public URIConverter() {
033    super();
034  }
035
036  @Override
037  public URI convert(final Value value) {
038    final URI returnValue;
039    if (value == null) {
040      returnValue = null;
041    } else {
042      final String stringValue = value.get();
043      if (stringValue == null) {
044        returnValue = null;
045      } else {
046        URI result = null;
047        try {
048          result = new URI(stringValue);
049        } catch (final URISyntaxException uriSyntaxException) {
050          throw new IllegalArgumentException(stringValue, uriSyntaxException);
051        } finally {
052          returnValue = result;
053        }
054      }
055    }
056    return returnValue;
057  }
058
059}