retrofit demo

声明式 restful 接口

解决：

App.java

 package com.enjoylearn.retrofit1;

import java.io.IOException;
import java.util.List;
import retrofit2.Response;
import retrofit2.Retrofit;
import retrofit2.converter.jackson.JacksonConverterFactory;

/**
 *
 * @author sihai
 */
public class App {

    public static void main(String[] argv) throws IOException {
        Retrofit retrofit = new Retrofit.Builder()
                .baseUrl("https://api.github.com/")
                .addConverterFactory(JacksonConverterFactory.create())
                .build();

        GitHubService service = retrofit.create(GitHubService.class);
        Response<List<Repo>> repos = service.listRepos("giant35").execute();
        repos.body().forEach(r -> System.out.println(r));
    }

}

package com.enjoylearn.retrofit1;

import java.io.IOException;

import java.util.List;

import retrofit2.Response;

import retrofit2.Retrofit;

import retrofit2.converter.jackson.JacksonConverterFactory;

/**

* @author sihai

public class App {

public static void main(String[] argv) throws IOException {

Retrofit retrofit = new Retrofit.Builder()

.baseUrl("https://api.github.com/")

.addConverterFactory(JacksonConverterFactory.create())

.build();

GitHubService service = retrofit.create(GitHubService.class);

Response<List<Repo>> repos = service.listRepos("giant35").execute();

repos.body().forEach(r -> System.out.println(r));

}

Repo.java

package com.enjoylearn.retrofit1;

import com.fasterxml.jackson.annotation.JsonIgnoreProperties;

/**
 *
 * @author sihai
 */
@JsonIgnoreProperties(ignoreUnknown = true)
public class Repo {

    private Long id;
    private String name;
    private String fullName;

    public Long getId() {
        return id;
    }

    public void setId(Long id) {
        this.id = id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getFullName() {
        return fullName;
    }

    public void setFullName(String fullName) {
        this.fullName = fullName;
    }

    @Override
    public String toString() {
        return "Repo{" + "id=" + id + ", name=" + name + ", fullName=" + fullName + '}';
    }

}

package com.enjoylearn.retrofit1;

import com.fasterxml.jackson.annotation.JsonIgnoreProperties;

/**

* @author sihai

@JsonIgnoreProperties(ignoreUnknown = true)

public class Repo {

private Long id;

private String name;

private String fullName;

public Long getId() {

return id;

}

public void setId(Long id) {

this.id = id;

}

public String getName() {

return name;

}

public void setName(String name) {

this.name = name;

}

public String getFullName() {

return fullName;

}

public void setFullName(String fullName) {

this.fullName = fullName;

}

@Override

public String toString() {

return "Repo{" + "id=" + id + ", name=" + name + ", fullName=" + fullName + '}';

}

GitHubService.java

package com.enjoylearn.retrofit1;

import java.util.List;
import retrofit2.Call;
import retrofit2.http.GET;
import retrofit2.http.Path;

public interface GitHubService {
    /*
    https://api.github.com/users/giant35/repos
    */
  @GET("users/{user}/repos")
  Call<List<Repo>> listRepos(@Path("user") String user);
}

package com.enjoylearn.retrofit1;

import java.util.List;

import retrofit2.Call;

import retrofit2.http.GET;

import retrofit2.http.Path;

public interface GitHubService {

https://api.github.com/users/giant35/repos

@GET("users/{user}/repos")

Call<List<Repo>> listRepos(@Path("user") String user);

}

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