本文介绍了在最新版本(3.0.x)Resteasy中,我们应该对ClientResponse和GenericType使用什么?的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!

问题描述

我正在开发 Resteasy 。我将应用程序的Maven依赖项从 2.2.x 迁移到了 3.0.x ,突然我看到大多数API被弃用了。因此,这种迁移对我的代码和测试用例产生了影响,因为它只是在我的整个代码中不赞成使用。



我以我的测试用例为例:
Test较早版本的情况(在最新版本中,它已废弃,如链接中所述:



Edit-1:我尝试了以下操作,但给出以下错误:
Students.java

  @ XmlAccessorType(XmlAccessType.NONE)
@XmlRootElement(name = students)
公共班级学生{

@XmlElement(name = student)
私有ArrayList< ;学生用户;

public ArrayList< Student> getUsers(){
返回用户;
}

public void setUsers(ArrayList< Student> users){
this.users = users;
}
}

但是它给了我错误:

  @Test 
public void testGetStudents(){
final String str = http:// localhost:8080 / RESTfulExample / rest / restwebservice / list;
客户端客户端= ClientBuilder.newClient();
//客户端客户端= ClientBuilder.newBuilder()。build(); //这也可以,或者

响应response = client.target(str).request()。get();

//这将为我们提供整个XML输出
String stringOutput = response.readEntity(String.class);
System.out.println( STATUS: + response.getStatus());
System.out.println(stringOutput);


学生人数= response.readEntity(Students.class);
System.out.println( Size: + students.getUsers()。size());
}


java.lang.IllegalStateException:RESTEASY003765:响应已关闭。 org.jboss.resteasy.specimpl.BuiltResponse.abortIfClosed(BuiltResponse.java:256)处的
org.jboss.resteasy.client.jaxrs.internal.ClientResponse.abortIfClosed(ClientResponse.java:328)处的
org.jboss.resteasy.client.jaxrs.internal.ClientResponse.readEntity(ClientResponse.java:152)的
org.jboss.resteasy.specimpl.BuiltResponse.readEntity(BuiltResponse.java:219)的

在com.mkyong.rest.test.RestEasySampleTest.testGetStudents(RestEasySampleTest.java:46)
在sun.reflect.NativeMethodAccessorImpl.invoke0(本机方法)
在sun.reflect.NativeMethodAccessorImpl。在sun.reflect.DelegatingMethodAccessorImpl.invoke处调用(NativeMethodAccessorImpl.java:62)
(在Java.lang.reflect.Method.invoke(Method.java:497)处调用
(DelegatingMethodAccessorImpl.java:43)
在org.junit.runners.model.FrameworkMethod $ 1.runReflectiveCall(FrameworkMethod.java:50)
在org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12 )
在org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
在org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
在org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
在org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
在org.junit。 Runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
在org.junit.runners.ParentRunner $ 3.run(ParentRunner.java:290)
在org.junit.runners.ParentRunner $ 1.schedule( ParentRunner.java:71)org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
org.junit.runners.ParentRunner.access
(ParentRunner.java:58)
在org.junit.runners.ParentRunner $ 2.evaluate(ParentRunner.java:268)
在org.junit.runners.ParentRunner.run(ParentRunner.java:363)
在org.eclipse .jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.jav a:50)org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner。 runTests(RemoteTestRunner.java:459)
在org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:675)
在org.eclipse.jdt.internal.junit。 Runner.RemoteTestRunner.run(RemoteTestRunner.java:382)
在org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)


解决方案

Resteasy客户端API已,因为JAX-RS标准化了Client-API。现在,您可以使用等效的 javax.ws.rs 类:

  javax.ws.rs.client.Client客户端= javax.ws.rs.client.ClientBuilder.newClient(); 
javax.ws.rs.client.WebTarget target = client.target( someUrl);
List< Student>学生=
target.request()。get(new javax.ws.rs.core.GenericType< List< Student>>(){});


I am developing Resteasy. I migrated my application's maven dependencies from 2.2.x to 3.0.x and suddenly I saw most of the API's are deprecated. So this migration has affect to my code and test cases as its simply saying deprecated in my whole code.

I am taking example of my test cases:Test case with earlier version(in latest version it deprectaed as mentioned in link: ClientRequestFactory RestEasy Deprecated... Any other RestEasy alternative ?):

import org.jboss.resteasy.util.GenericType;
import org.jboss.resteasy.client.ClientRequest;
import org.jboss.resteasy.client.ClientResponse;

@Test
    public void testGetStudent() throws Exception{
        String str = "http://localhost:8080/RESTfulExample/rest/restwebservice/list";
        ClientRequest request = new ClientRequest(str);
        ClientResponse<List<Student>> response = request.get(new GenericType<List<Student>>(){});
        List<Student> students = response.getEntity();
        System.out.println("Size : "+students.size());
    }

So I refactore my test case to use

@Test
    public void testGetStudents(){
        final String str = "http://localhost:8080/RESTfulExample/rest/restwebservice/list";
        Client client = ClientBuilder.newClient();
        // Client client = ClientBuilder.newBuilder().build();  // This also works, OR

        Response response = client.target(str).request().get();

        // This will gives us whole XML output
        String s = response.readEntity(String.class);
        System.out.println(s);

**What is the replacement of below two lines in latest version? How I can get List of Student Object ?**
//      ClientResponse<List<Student>> response = request.get(new GenericType<List<Student>>(){});
//      List<Student> students = response.getEntity();
    }

Please guide. What is the replacement of below two lines in latest version? How I can get List of Student Object ?

Edit-1: I tried below, but giving following error:Students.java

@XmlAccessorType(XmlAccessType.NONE)
@XmlRootElement(name = "students")
public class Students {

    @XmlElement(name="student")
    private ArrayList<Student> users;

    public ArrayList<Student> getUsers() {
        return users;
    }

    public void setUsers(ArrayList<Student> users) {
        this.users = users;
    }
}

But its giving me errors:

@Test
    public void testGetStudents(){
        final String str = "http://localhost:8080/RESTfulExample/rest/restwebservice/list";
        Client client = ClientBuilder.newClient();
        // Client client = ClientBuilder.newBuilder().build();  // This also works, OR

        Response response = client.target(str).request().get();

        // This will gives us whole XML output
        String stringOutput = response.readEntity(String.class);
        System.out.println("STATUS : "+response.getStatus());
        System.out.println(stringOutput);


        Students students = response.readEntity(Students.class);
        System.out.println("Size : "+students.getUsers().size());
    }


java.lang.IllegalStateException: RESTEASY003765: Response is closed.
    at org.jboss.resteasy.specimpl.BuiltResponse.abortIfClosed(BuiltResponse.java:256)
    at org.jboss.resteasy.client.jaxrs.internal.ClientResponse.abortIfClosed(ClientResponse.java:328)
    at org.jboss.resteasy.client.jaxrs.internal.ClientResponse.readEntity(ClientResponse.java:152)
    at org.jboss.resteasy.specimpl.BuiltResponse.readEntity(BuiltResponse.java:219)
    at com.mkyong.rest.test.RestEasySampleTest.testGetStudents(RestEasySampleTest.java:46)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:497)
    at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
    at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
    at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
    at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
    at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
    at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
    at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
    at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
    at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
    at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
    at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
    at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
    at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:675)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)
解决方案

The Resteasy Client-API has been marked deprecated as JAX-RS standardized a Client-API. You can now use the equivalent javax.ws.rs classes:

javax.ws.rs.client.Client client = javax.ws.rs.client.ClientBuilder.newClient();
javax.ws.rs.client.WebTarget target = client.target("someUrl");
List<Student> students =
    target.request().get(new javax.ws.rs.core.GenericType<List<Student>>() {});

这篇关于在最新版本(3.0.x)Resteasy中,我们应该对ClientResponse和GenericType使用什么?的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持!

07-28 07:02
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