Package com.asual.summer.sample.convert

Source Code of com.asual.summer.sample.convert.MultipartFileToImageConverter

/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*    http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/

package com.asual.summer.sample.convert;

import java.util.ArrayList;
import java.util.List;

import javax.inject.Named;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.core.convert.converter.Converter;
import org.springframework.web.multipart.MultipartFile;

import com.asual.summer.sample.domain.Technology.Image;

/**
*
* @author Rostislav Hristov
*
*/
@Named
public class MultipartFileToImageConverter implements Converter<MultipartFile, Image> {

  private final Log logger = LogFactory.getLog(getClass());
 
  private List<String> mimeTypes = new ArrayList<String>();
  {
    mimeTypes.add("image/gif");
    mimeTypes.add("image/jpeg");
    mimeTypes.add("image/png");
    mimeTypes.add("image/svg+xml");
  }
 
  @Override
  public Image convert(MultipartFile source) {
    if (source.getSize() != 0 && mimeTypes.contains(source.getContentType())) {
      try {
        return new Image(source);
      } catch (Exception e) {
        logger.error(e.getMessage(), e);
      }
    }
    return null;
  }

}
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