[英]Jersey 2 injection source for multipart formdata
我有一個方法:
@POST
@Consumes("multipart/form-data")
@Produces( {"text/xml"})
public Response processForm(
@FormDataParam("myparam") InputStream is,
@FormDataParam("myparam") FormDataContentDisposition detail)
這與Jersey 1.x一起運作良好。
我升級到2.0 m11。
現在我收到以下錯誤:
12/01/2013 11:15:04 AM org.glassfish.jersey.server.ApplicationHandler initialize
INFO: Initiating Jersey application, version Jersey: 2.0-m11 2012-12-21 12:34:15...
12/01/2013 11:15:04 AM org.glassfish.jersey.internal.Errors processErrors
SEVERE: The following errors and warnings have been detected:
WARNING: No injection source found for a parameter of type public javax.ws.rs.core.Response com.plutext.FileUpload.processForm(java.io.InputStream,org.glassfish
.jersey.media.multipart.FormDataContentDisposition) at index 0.
我找到了http://java.net/jira/browse/JERSEY-1413並提交了http://java.net/projects/jersey/lists/commits/archive/2012-09/message/126這似乎相關,但它的對我來說不明白如何解決這個問題。
更新
我創建了一個servlet,它在org.glassfish.jersey.server.ApplicationHandler初始化之前在Tomcat中運行:
public class Jersey2Init extends HttpServlet {
private static final Logger jul = Logger.getLogger(Jersey2Init.class
.getName());
static {
System.out.println("\n\nrunning Jersey2Init\n\n");
final ResourceConfig resourceConfig1 = new ResourceConfig(XFormService.class);
resourceConfig1.registerInstances(new LoggingFilter(jul, true));
resourceConfig1.register(MultiPartFeature.class);
final ResourceConfig resourceConfig2 = new ResourceConfig(AssembleService.class);
resourceConfig2.registerInstances(new LoggingFilter(jul, true));
resourceConfig2.register(MultiPartFeature.class);
}
}
它絕對是第一次運行:
INFO: Deploying web application archive C:\Java\apache-tomcat-7.0.29\webapps\Foo-Services.war
running Jersey2Init
18/01/2013 9:09:51 PM org.glassfish.jersey.server.ApplicationHandler initialize
INFO: Initiating Jersey application, version Jersey: 2.0-m11 2012-12-21 12:34:15...
18/01/2013 9:09:52 PM org.glassfish.jersey.internal.Errors processErrors
SEVERE: The following errors and warnings have been detected:
但我仍然得到同樣的錯誤。
您需要在應用程序上啟用MultiPart功能。 啟用此功能會為Jersey 2應用程序注入必要的郵件正文讀取器和編寫器。 以下是注冊方式:
final ResourceConfig resourceConfig = new ResourceConfig(MultiPartResource.class);
resourceConfig.register(MultiPartFeature.class);
import org.glassfish.jersey.filter.LoggingFilter;
import org.glassfish.jersey.media.multipart.MultiPartFeature;
import javax.ws.rs.core.Application;
import java.util.HashSet;
import java.util.Set;
public class MyApplication extends Application {
@Override
public Set<Class<?>> getClasses() {
final Set<Class<?>> classes = new HashSet<Class<?>>();
// register resources and features
classes.add(MultiPartFeature.class);
classes.add(MultiPartResource.class);
classes.add(LoggingFilter.class);
return classes;
}
}
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
<servlet>
<servlet-name>Jersey Servlet</servlet-name>
<servlet-class>org.glassfish.jersey.servlet.ServletContainer</servlet-class>
<init-param>
<param-name>javax.ws.rs.Application</param-name>
<param-value>com.aruld.jersey.multipart.MyApplication</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>Jersey Servlet</servlet-name>
<url-pattern>/*</url-pattern>
</servlet-mapping>
</web-app>
final ClientConfig clientConfig = new ClientConfig();
clientConfig.register(MultiPartFeature.class);
Client client = ClientFactory.newClient(clientConfig);
我在這里在Github中整理了一個端到端的Jersey 2 MultiPart示例。
我試圖使用Jersey 2進行文件上傳。 我想避免創建自定義Application或ResourceConfig類來啟用MultiPart。 它沒有很好的文檔,但是如果你想添加Multipart功能,你只需要將它添加到web.xml中的Jersey servlet配置:
<init-param>
<param-name>jersey.config.server.provider.classnames</param-name>
<param-value>org.glassfish.jersey.filter.LoggingFilter;org.glassfish.jersey.media.multipart.MultiPartFeature</param-value>
</init-param>
如您所見,我還添加了一個loggingfilter。
並使用帶注釋的應用程序實例...
@ApplicationPath("restAPI")
public class ServiceApplication extends ResourceConfig {
public ServiceApplication() {
register(JAXBContextResolver.class);
register(JacksonFeature.class);
register(MultiPartFeature.class);
registerInstances(new LoggingFilter(Logger.getLogger(ServiceApplication.class.getName()), true));
}
}
我使用Jersey 2.7並且得到了同樣的錯誤。 它通過升級到澤西島2.9來解決自己
經過艱苦的努力后,我發現你必須導入import org.glassfish.jersey.media.multipart.FormDataParam;
不import javax.ws.rs.FormParam;
這樣你就可以使用@FormDataParam
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