jersey rest web service返回对象列表,其中对象包含文件的字节数组

时间:2016-03-16 10:32:48

标签: java web-services rest jersey multipart

问题是返回包含某些文件相关信息的文件列表。

这是我的网络服务类:

@Path("/pdfsigning")
public class PdfSigningResource{    

    @EJB
    private PdfSigningFacadeInt pdfSigningFacadeInt;

    @POST
    @Path("/unsignedfilelist")
    @Produces({ MediaType.APPLICATION_OCTET_STREAM, MediaType.APPLICATION_JSON })
    public Response getUnsignedFileList() {

        List<FileInfoDto> unsignedFileInfoDtoList = pdfSigningFacadeInt
                .getUnsignedFileList();

        GenericEntity<List<FileInfoDto>> genericUnsignedFileInfoDtoList = new GenericEntity<List<FileInfoDto>>(
                unsignedFileInfoDtoList) {
        };
        return Response.ok(Status.OK).entity(genericUnsignedFileInfoDtoList)
                .build();

    }
}

省略了getter / setter的FileInfoDto类:

@XmlRootElement
@XmlAccessorType(XmlAccessType.FIELD)
public class FileInfoDto implements Serializable {

    private static final long serialVersionUID = 303766558349361898L;

    @XmlElement(name = "fileName")
    private String fileName;

    @XmlElement(name = "fileType")
    private String fileType;

    // other fields ...

    @XmlElement(name = "fileByteArray")
    private byte[] fileByteArray;

这是jersey-1客户端:

public class FileService implements FileServiceInt {

   public List<FileInfoDto> getUnsignedFileList() {            

       //code to build url  

        WebResource unsignedFileListResource = unsignedFileListClient.resource(url);


        ClientResponse response = unsignedFileListResource.type(MediaType.APPLICATION_JSON)                                        .post(ClientResponse.class);

        if (Constants.CLIENT_RESPONSE_STATUS != response.getStatus()) {
            LOGGER.debug(">>>>>>>>>> Response Not OK <<<<<<<<<<<<<");
            //TODO throw proper exception
        } else {
            LOGGER.debug(">>>>>>>>>> Response OK <<<<<<<<<<<<<");
        }

        // This line throw exception
        List<FileInfoDto> entityList = response.getEntity(new GenericType<List<FileInfoDto>>() {
        });    

        return entityList;
    }

}

从服务器获得的响应是​​&#34; OK&#34;。但行

List<FileInfoDto> entityList = response.getEntity(new GenericType<List<FileInfoDto>>() {
            });

抛出Exception in thread "AWT-EventQueue-0" java.lang.NoClassDefFoundError: javax/mail/internet/MimeMultipart

在POM中,我依赖

<dependency>
            <groupId>com.sun.jersey.contribs</groupId>
            <artifactId>jersey-multipart</artifactId>
            <version>1.18.1</version>
        </dependency>

我错过了什么?我们不能以这种方式获得文件列表吗?

1 个答案:

答案 0 :(得分:1)

对于此版本的球衣,使用javax.mail.internet.MimeMultipart需要Java Mail(请参阅Jersey 1.x documentation / Mail and MIME multipart)。

将此依赖项添加到您的pom.xml:

<dependency>
    <groupId>javax.mail</groupId>
    <artifactId>mail</artifactId>
    <version>1.4.7</version>
</dependency>