001/*
002 * Copyright 2002-2012 the original author or authors.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *      https://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package org.springframework.http;
018
019import java.beans.PropertyEditorSupport;
020
021import org.springframework.util.StringUtils;
022
023/**
024 * {@link java.beans.PropertyEditor Editor} for {@link MediaType}
025 * descriptors, to automatically convert {@code String} specifications
026 * (e.g. {@code "text/html"}) to {@code MediaType} properties.
027 *
028 * @author Juergen Hoeller
029 * @since 3.0
030 * @see MediaType
031 */
032public class MediaTypeEditor extends PropertyEditorSupport {
033
034        @Override
035        public void setAsText(String text) {
036                if (StringUtils.hasText(text)) {
037                        setValue(MediaType.parseMediaType(text));
038                }
039                else {
040                        setValue(null);
041                }
042        }
043
044        @Override
045        public String getAsText() {
046                MediaType mediaType = (MediaType) getValue();
047                return (mediaType != null ? mediaType.toString() : "");
048        }
049
050}