im.dadoo.teak.web.ao.FileAO.java Source code

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Here is the source code for im.dadoo.teak.web.ao.FileAO.java

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package im.dadoo.teak.web.ao;

import im.dadoo.teak.biz.bo.FileBO;
import im.dadoo.teak.biz.util.Util;

import java.io.File;
import java.io.IOException;

import javax.annotation.Resource;

import org.springframework.stereotype.Component;
import org.springframework.web.multipart.MultipartFile;

import com.google.common.base.Optional;

/**
 *
 * @author codekitten
 */
@Component
public class FileAO {

    @Resource
    private FileBO qiniuFileBO;

    public Optional<String> save(MultipartFile file) throws IllegalStateException, IOException {
        if (file != null && !file.isEmpty()) {
            String srcName = Util.createFileName();
            File src = new File(srcName);
            file.transferTo(src);
            Optional<String> dst = this.qiniuFileBO.save(src);
            src.delete();
            return dst;
        } else {
            return Optional.absent();
        }
    }
}