[java] file upload sample ＊一部抜粋

beans-service.xml

<beans>
  <bean id="serviceProperties" class="org.springframework.beans.factory.config.PropertiesFactoryBean">
		<property name="locations">
			<list>
				<value>classpath:service.properties</value>
			</list>
		</property>
	</bean>
  
  <bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
    <!-- one of the properties available; the maximum file size in bytes -->
    <property name="maxUploadSize" value="300000000"/>
  </bean>
</beans>

service.properties

# server environment
environment=local
anyFile.uploadpath=/any/path

UploadController.java

@Controller
@RequestMapping(value = "/anyFile")
public class UploadController {

  final static Logger LOGGER = LoggerFactory.getLogger(UploadController.class);

	@Value(value = "#{serviceProperties['anyFile.uploadpath']}")
	String filePath;

	/**
	 * スタンダードな例
	 * @param request
	 * @param response
	 * @throws Exception
	 */
	@SuppressWarnings("unused")
	@RequestMapping(value = "/upload.mvc")
	public void upload(HttpServletRequest request, HttpServletResponse response) throws Exception {
		DiskFileItemFactory factory = new DiskFileItemFactory();
		factory.setSizeThreshold(1426);
		ServletFileUpload upload = new ServletFileUpload(factory);

		LOGGER.info("request_received.");

		BufferedReader reader = null;
		InputStream is = null;
		FileItem uploadedFile = null;

		try {
			for (Object data : upload.parseRequest(request)) {
				if (data != null) {
					if ("file".equals(item.getFieldName())) {
						uploadedFile = item;
					}
				}else{
					LOGGER.debug("data is null");					
				}
			}
			if (uploadedFile != null) {
				LOGGER.info("fie save path:" + filePath + "/" + uploadedFile.getName());
				uploadedFile.write(new File(filePath, uploadedFile.getName()));
			} else {
				LOGGER.info("uploadedFile :" + uploadedFile);
			}

		} catch (Exception e) {
			LOGGER.error(e.getMessage());
			e.printStackTrace();
			throw e;
		} finally {
			if (is != null) {
				try {
					is.close();
				} catch (IOException e) {
					// nothing todo
				}
			}
			if (reader != null) {
				try {
					reader.close();
				} catch (IOException e) {
					// nothing todo
				}
			}
		}
	}

    /**
	 * springのMultipartFileを利用した例
	 * @param multipartFile
	 * @throws IllegalStateException
	 * @throws IOException
	 */
	@RequestMapping(value = "/multi_upload")
	public void uploadMulti(@RequestParam("file") MultipartFile multipartFile) throws IllegalStateException, IOException {
		LOGGER.info("upload in multipart.");
		
		String fileName;
		File file;

    LOGGER.info("file save path:" + filePath + "/" + multipartFile.getName());
    file =new File(filePath, multipartFile.getName());

		LOGGER.debug("multipartFile:" + multipartFile.getName());
		if (!multipartFile.isEmpty()) {
			multipartFile.transferTo(file);
			LOGGER.info("execute transfered");
		}
	}

}

yourserver.vhost.conf

<VirtualHost *:xxxx>
  <中略>
	LimitRequestBody 300000000
</VirtualHost>