org.meruvian.yama.webapi.service.commons.FileInfoService.java Source code

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Here is the source code for org.meruvian.yama.webapi.service.commons.FileInfoService.java

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/**
 * Copyright 2014 Meruvian
 *
 * 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 org.meruvian.yama.webapi.service.commons;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

import javax.inject.Inject;

import org.apache.commons.io.IOUtils;
import org.apache.commons.lang3.StringUtils;
import org.meruvian.yama.core.commons.FileInfo;
import org.meruvian.yama.core.commons.FileInfoRepository;
import org.springframework.context.EnvironmentAware;
import org.springframework.core.env.Environment;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

/**
 * @author Dian Aditya
 *
 */
@Service
@Transactional
public class FileInfoService implements EnvironmentAware {
    @Inject
    private FileInfoRepository fileInfoRepository;
    private String uploadBasePath;

    @Transactional
    public FileInfo saveFileInfo(String path, FileInfo fileInfo) throws IOException {
        FileInfo info = new FileInfo();
        info.setPath(StringUtils.join(uploadBasePath, path));
        info.setOriginalName(StringUtils.defaultString(fileInfo.getOriginalName()));

        File file = new File(info.getPath());
        if (!file.exists()) {
            file.mkdirs();
        }

        info.setContentType(fileInfo.getContentType());
        info = fileInfoRepository.save(info);
        info.setPath(StringUtils.join(info.getPath(), "/", info.getId()));
        if (StringUtils.isBlank(fileInfo.getOriginalName())) {
            info.setOriginalName(info.getId());
        }

        InputStream inputStream = fileInfo.getDataBlob();
        OutputStream outputStream = new FileOutputStream(info.getPath());
        info.setSize(IOUtils.copy(inputStream, outputStream));
        IOUtils.closeQuietly(inputStream);
        IOUtils.closeQuietly(outputStream);

        return info;
    }

    @Override
    public void setEnvironment(Environment environment) {
        this.uploadBasePath = environment.getProperty("upload.path.base");
    }
}