RestTemplate restTemplate = getRestTempalte();

        HttpComponentsClientHttpRequestFactory factory = new HttpComponentsClientHttpRequestFactory();
        factory.setReadTimeout(1000 * 60 * 5);  // 5분
        factory.setConnectTimeout(5000);
        RestTemplate restTemplate = new RestTemplate(factory);

        URI uri = UriComponentsBuilder.newInstance().scheme("http").host("docuconv.claztec.net")
                .path("/cgi/{type}")
                .queryParam("path", file.getDownloadUrl())
                .queryParam("realname", file.getName())
                .queryParam("servicecode", file.getServiceCode())
                .queryParam("useragent", file.getUserAgent())
                .queryParam("charset", file.getCharset())
                .queryParam("format", file.getOption())
                .build().expand(file.getType())
                .encode()
                .toUri();

@XmlRootElement(name = "result")
public class Result {
    @XmlElement
    private Integer code;

    @XmlElement
    private String url;

    @XmlElement
    private String msg;

    @XmlElement
    private Boolean loss;

    public Integer getCode() {
        return code;
    }

    public String getUrl() {
        return url;
    }

    public String getMsg() {
        return msg;
    }

    public Boolean getLoss() {
        return loss;
    }
}

        Result result = restTemplate.getForObject(uri, Result.class);

@Service
public class ConvertService {

    private RestTemplate getRestTempalte() {
        HttpComponentsClientHttpRequestFactory factory = new HttpComponentsClientHttpRequestFactory();
        factory.setReadTimeout(1000 * 60 * 5);  // 5분
        factory.setConnectTimeout(5000);
        RestTemplate restTemplate = new RestTemplate(factory);
        return restTemplate;
    }

    public Result convert(String downloadUrl) {
        RestTemplate restTemplate = getRestTempalte();
        URI uri = UriComponentsBuilder.fromHttpUrl(downloadUrl).build().toUri();
        Result result = restTemplate.getForObject(uri, Result.class);
        return result;
    }

    public Result convert(File file) throws UnsupportedEncodingException {
        RestTemplate restTemplate = getRestTempalte();
        URI uri = UriComponentsBuilder.newInstance().scheme("http").host("docuconv.claztec.net")
                .path("/cgi/{type}")
                .queryParam("path", file.getDownloadUrl())
                .queryParam("realname", file.getName())
                .queryParam("servicecode", file.getServiceCode())
                .queryParam("useragent", file.getUserAgent())
                .queryParam("charset", file.getCharset())
                .queryParam("format", file.getOption())
                .build().expand(file.getType())
                .encode()
                .toUri();
        Result result = restTemplate.getForObject(uri, Result.class);
        return result;
    }
}

    @Autowired
    private ConvertService convertService;

    @Test
    public void testConvert() throws UnsupportedEncodingException {
        File file = new File();
        file.setDownloadUrl("http://cloud.tools.com/p/file/20110619.ppt");
        file.setName("소프트웨어 중심에 존재하는 복잡성에 도전장을 내밀다");
        file.setExtension("ppt");

        Result result = convertService.convert(file);
        assertNotNull(result);
        assertThat(200, is(result.getCode()));
        log.debug("url:" + result.getUrl());
    }