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David Weiser
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Updates Retrofit Gerrit example
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8 files changed

+352
-43
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8 files changed

+352
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‎com.vogella.java.retrofitgerrit/.project‎

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<arguments>
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</arguments>
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</buildCommand>
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<buildCommand>
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<name>org.eclipse.buildship.core.gradleprojectbuilder</name>
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<arguments>
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</arguments>
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</buildCommand>
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</buildSpec>
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<natures>
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<nature>org.eclipse.buildship.core.gradleprojectnature</nature>

‎com.vogella.java.retrofitgerrit/build.gradle‎

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jcenter()
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}
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jar {
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manifest {
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attributes 'Main-Class' : 'com.vogella.java.retrofitgerrit.StartUp'
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}
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}
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// In this section you declare the dependencies for your production and test code
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dependencies {
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// The production code uses the SLF4J logging API at compile time
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compile 'org.slf4j:slf4j-api:1.7.21'
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compile 'com.squareup.retrofit2:retrofit:2.1.0'
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compile 'com.squareup.retrofit2:converter-gson:2.1.0'
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compile 'com.squareup.retrofit2:retrofit:2.2.0'
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compile 'com.squareup.retrofit2:converter-gson:2.2.0'
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compile 'com.squareup.retrofit2:adapter-rxjava2:2.2.0'
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compile 'com.google.code.gson:gson:2.6.1'
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compile 'org.eclipse.swt:org.eclipse.swt.gtk.linux.x86_64:4.3'
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compile 'com.squareup.okhttp3:logging-interceptor:3.6.0'
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// Declare the dependency for your favourite test framework you want to use in your tests.
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// TestNG is also supported by the Gradle Test task. Just change the

‎com.vogella.java.retrofitgerrit/src/main/java/com/vogella/java/retrofitgerrit/Account.java‎

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package com.vogella.java.retrofitgerrit;
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import com.google.gson.annotations.SerializedName;
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public class Account {
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@SerializedName("_account_id")
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private String accountId;
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public String getAccountId() {
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return accountId;
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}
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public void setAccountId(String accountId) {
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this.accountId = accountId;
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}
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}

‎com.vogella.java.retrofitgerrit/src/main/java/com/vogella/java/retrofitgerrit/Change.java‎

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package com.vogella.java.retrofitgerrit;
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import com.google.gson.annotations.SerializedName;
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public class Change {
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String subject;
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@SerializedName("change_id")
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private String changeId;
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private String subject;
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@SerializedName("current_revision")
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private String currentRevisionId;
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private String project;
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private Account owner;
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public String getSubject() {
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return subject;
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}
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public void setSubject(String subject) {
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this.subject = subject;
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}
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public String getCurrentRevision() {
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return currentRevisionId == null ? "" : currentRevisionId;
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}
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public void setCurrentRevision(String currentRevision) {
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this.currentRevisionId = currentRevision;
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}
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public String getProject() {
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return project;
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}
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public void setProject(String project) {
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this.project = project;
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}
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public Account getOwner() {
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return owner;
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}
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public void setOwner(Account owner) {
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this.owner = owner;
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}
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public String getChangeId() {
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return changeId;
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}
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public void setChangeId(String changeId) {
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this.changeId = changeId;
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}
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}

‎com.vogella.java.retrofitgerrit/src/main/java/com/vogella/java/retrofitgerrit/Controller.java‎

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import com.google.gson.Gson;
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import com.google.gson.GsonBuilder;
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import retrofit2.Call;
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import retrofit2.Callback;
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import retrofit2.Response;
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import io.reactivex.disposables.CompositeDisposable;
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import io.reactivex.observers.DisposableSingleObserver;
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import io.reactivex.schedulers.Schedulers;
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import okhttp3.OkHttpClient;
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import okhttp3.ResponseBody;
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import okhttp3.logging.HttpLoggingInterceptor;
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import retrofit2.Retrofit;
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import retrofit2.adapter.rxjava2.RxJava2CallAdapterFactory;
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import retrofit2.converter.gson.GsonConverterFactory;
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public class Controller implements Callback<List<Change>> {
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public class Controller {
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static final String BASE_URL = "https://git.eclipse.org/r/";
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private static final String BASE_URL = "https://git.eclipse.org/r/";
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private GerritAPI gerritAPI;
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private CompositeDisposable compositeDisposable = new CompositeDisposable();
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private UserInterface userInterface;
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protected List<Change> currentData;
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public void start() {
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Gson gson = new GsonBuilder()
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.setLenient()
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.create();
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Retrofit retrofit = new Retrofit.Builder()
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.baseUrl(BASE_URL)
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.addConverterFactory(GsonConverterFactory.create(gson))
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.build();
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public Controller(UserInterface userInterface) {
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this.userInterface = userInterface;
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initGerritApi();
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}
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private void initGerritApi() {
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HttpLoggingInterceptor loggerInterceptor = new HttpLoggingInterceptor();
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// loggerInterceptor.setLevel(Level.BODY);
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OkHttpClient okHttpClient = new OkHttpClient.Builder().addInterceptor(loggerInterceptor).build();
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GerritAPI gerritAPI = retrofit.create(GerritAPI.class);
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Gson gson = new GsonBuilder().setLenient().create();
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Call<List<Change>> call = gerritAPI.loadChanges("status:open");
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call.enqueue(this);
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Retrofit retrofit = new Retrofit.Builder().baseUrl(BASE_URL)
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.addCallAdapterFactory(RxJava2CallAdapterFactory.create())
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.addConverterFactory(GsonConverterFactory.create(gson)).client(okHttpClient).build();
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gerritAPI = retrofit.create(GerritAPI.class);
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}
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public void loadAllChanges() {
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compositeDisposable.add(gerritAPI.getAllChanges().subscribeOn(Schedulers.io()).observeOn(Schedulers.single())
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.subscribeWith(getChangesObserver()));
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}
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public void loadChangesForProject(String project) {
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String url = BASE_URL + "changes/?o=CURRENT_REVISION&o=DETAILED_ACCOUNTS&q=status:open+project:"
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+ project.replace("/", "%2F");
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compositeDisposable.add(gerritAPI.getChangesForProject(url).subscribeOn(Schedulers.io())
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.observeOn(Schedulers.single()).subscribeWith(getChangesObserver()));
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}
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public void loadChangesForUser(int userId) {
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String url = BASE_URL + "changes/?o=CURRENT_REVISION&o=DETAILED_ACCOUNTS&q=status:open+owner:" + userId;
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compositeDisposable.add(gerritAPI.getChangesForUser(url).subscribeOn(Schedulers.io())
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.observeOn(Schedulers.single()).subscribeWith(getChangesObserver()));
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}
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@Override
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public void onResponse(Call<List<Change>> call, Response<List<Change>> response) {
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if(response.isSuccessful()) {
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List<Change> changesList = response.body();
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changesList.forEach(change -> System.out.println(change.subject));
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} else {
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System.out.println(response.errorBody());
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}
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public void upvote(int i) {
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Change currentChange = currentData.get(i);
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// compositeDisposable.add(gerritAPI.postUpvote(currentChange.getChangeId(),
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// currentChange.getCurrentRevision())
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// .subscribeOn(Schedulers.io()).observeOn(Schedulers.single()).subscribeWith(getUpvoteObserver()));
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}
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private DisposableSingleObserver<List<Change>> getChangesObserver() {
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return new DisposableSingleObserver<List<Change>>() {
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@Override
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public void onSuccess(List<Change> value) {
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Controller.this.currentData = value;
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userInterface.updateList(value);
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}
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@Override
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public void onError(Throwable e) {
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e.printStackTrace();
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}
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};
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}
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private DisposableSingleObserver<ResponseBody> getUpvoteObserver() {
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return new DisposableSingleObserver<ResponseBody>() {
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@Override
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public void onSuccess(ResponseBody value) {
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}
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@Override
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public void onError(Throwable e) {
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e.printStackTrace();
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}
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};
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}
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@Override
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public void onFailure(Call<List<Change>> call, Throwable t) {
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t.printStackTrace();
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public void getChangeInformation(int selectionIndex) {
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userInterface.updateTextFields(currentData.get(selectionIndex));
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}
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}

‎com.vogella.java.retrofitgerrit/src/main/java/com/vogella/java/retrofitgerrit/GerritAPI.java‎

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import java.util.List;
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import retrofit2.Call;
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import io.reactivex.Single;
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import okhttp3.ResponseBody;
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import retrofit2.http.GET;
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import retrofit2.http.Query;
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import retrofit2.http.POST;
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import retrofit2.http.Path;
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import retrofit2.http.Url;
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public interface GerritAPI {
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@GET("changes/")
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Call<List<Change>> loadChanges(@Query("q") String status);
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@GET("changes/?q=status:open&o=CURRENT_REVISION&o=DETAILED_ACCOUNTS")
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Single<List<Change>> getAllChanges();
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@GET
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Single<List<Change>> getChangesForProject(@Url String url);
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@GET
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Single<List<Change>> getChangesForUser(@Url String url);
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@POST("changes/{change-id}/revisions/{revision-id}/review")
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Single<ResponseBody> postUpvote(@Path("change-id") String changeId, @Path("revision-id") String revisionId);
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}

‎com.vogella.java.retrofitgerrit/src/main/java/com/vogella/java/retrofitgerrit/StartUp.java‎

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public class StartUp {
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public static void main(String[] args) {
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Controller ctrl = new Controller();
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ctrl.start();
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UserInterface userInterface = new UserInterface();
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Controller controller = new Controller(userInterface);
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userInterface.setController(controller);
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userInterface.initUi();
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}
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}

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