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}