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Java.libraries.retrofit2.ApiClient.mustache Maven / Gradle / Ivy
package {{invokerPackage}};
import com.google.gson.Gson;
import com.google.gson.JsonParseException;
import com.google.gson.JsonElement;
import okhttp3.Interceptor;
import okhttp3.OkHttpClient;
import okhttp3.RequestBody;
import okhttp3.ResponseBody;
import org.apache.oltu.oauth2.client.request.OAuthClientRequest.AuthenticationRequestBuilder;
import org.apache.oltu.oauth2.client.request.OAuthClientRequest.TokenRequestBuilder;
{{#joda}}
import org.joda.time.format.DateTimeFormatter;
{{/joda}}
{{#threetenbp}}
import org.threeten.bp.format.DateTimeFormatter;
{{/threetenbp}}
import retrofit2.Converter;
import retrofit2.Retrofit;
{{#useRxJava}}
import retrofit2.adapter.rxjava.RxJavaCallAdapterFactory;
{{/useRxJava}}
{{#useRxJava2}}
import retrofit2.adapter.rxjava2.RxJava2CallAdapterFactory;
{{/useRxJava2}}
import retrofit2.converter.gson.GsonConverterFactory;
import retrofit2.converter.scalars.ScalarsConverterFactory;
import {{invokerPackage}}.auth.HttpBasicAuth;
import {{invokerPackage}}.auth.HttpBearerAuth;
import {{invokerPackage}}.auth.ApiKeyAuth;
{{#hasOAuthMethods}}
import {{invokerPackage}}.auth.OAuth;
import {{invokerPackage}}.auth.OAuth.AccessTokenListener;
import {{invokerPackage}}.auth.OAuthFlow;
{{/hasOAuthMethods}}
import java.io.IOException;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import java.text.DateFormat;
{{#java8}}
import java.time.format.DateTimeFormatter;
{{/java8}}
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.HashMap;
public class ApiClient {
private Map apiAuthorizations;
private OkHttpClient.Builder okBuilder;
private Retrofit.Builder adapterBuilder;
private JSON json;
public ApiClient() {
apiAuthorizations = new LinkedHashMap();
createDefaultAdapter();
}
public ApiClient(String[] authNames) {
this();
for(String authName : authNames) {
{{#hasAuthMethods}}
Interceptor auth;
{{#authMethods}}if ("{{name}}".equals(authName)) {
{{#isBasic}}{{#isBasicBasic}}
auth = new HttpBasicAuth();
{{/isBasicBasic}}{{^isBasicBasic}}
auth = new HttpBearerAuth("{{scheme}}");
{{/isBasicBasic}}{{/isBasic}}
{{#isApiKey}}
auth = new ApiKeyAuth({{#isKeyInHeader}}"header"{{/isKeyInHeader}}{{^isKeyInHeader}}"query"{{/isKeyInHeader}}, "{{keyParamName}}");
{{/isApiKey}}
{{#isOAuth}}
auth = new OAuth(OAuthFlow.{{flow}}, "{{authorizationUrl}}", "{{tokenUrl}}", "{{#scopes}}{{scope}}{{#hasMore}}, {{/hasMore}}{{/scopes}}");
{{/isOAuth}}
} else {{/authMethods}}{
throw new RuntimeException("auth name \"" + authName + "\" not found in available auth names");
}
addAuthorization(authName, auth);
{{/hasAuthMethods}}
{{^hasAuthMethods}}
throw new RuntimeException("auth name \"" + authName + "\" not found in available auth names");
{{/hasAuthMethods}}
}
}
/**
* Basic constructor for single auth name
* @param authName Authentication name
*/
public ApiClient(String authName) {
this(new String[]{authName});
}
/**
* Helper constructor for single api key
* @param authName Authentication name
* @param apiKey API key
*/
public ApiClient(String authName, String apiKey) {
this(authName);
this.setApiKey(apiKey);
}
/**
* Helper constructor for single basic auth or password oauth2
* @param authName Authentication name
* @param username Username
* @param password Password
*/
public ApiClient(String authName, String username, String password) {
this(authName);
this.setCredentials(username, password);
}
{{#hasOAuthMethods}}
/**
* Helper constructor for single password oauth2
* @param authName Authentication name
* @param clientId Client ID
* @param secret Client Secret
* @param username Username
* @param password Password
*/
public ApiClient(String authName, String clientId, String secret, String username, String password) {
this(authName);
this.getTokenEndPoint()
.setClientId(clientId)
.setClientSecret(secret)
.setUsername(username)
.setPassword(password);
}
{{/hasOAuthMethods}}
public void createDefaultAdapter() {
json = new JSON();
okBuilder = new OkHttpClient.Builder();
String baseUrl = "{{{basePath}}}";
if (!baseUrl.endsWith("/"))
baseUrl = baseUrl + "/";
adapterBuilder = new Retrofit
.Builder()
.baseUrl(baseUrl)
{{#useRxJava}}
.addCallAdapterFactory(RxJavaCallAdapterFactory.create())
{{/useRxJava}}{{#useRxJava2}}
.addCallAdapterFactory(RxJava2CallAdapterFactory.create())
{{/useRxJava2}}
.addConverterFactory(ScalarsConverterFactory.create())
.addConverterFactory(GsonCustomConverterFactory.create(json.getGson()));
}
public S createService(Class serviceClass) {
return adapterBuilder
.client(okBuilder.build())
.build()
.create(serviceClass);
}
public ApiClient setDateFormat(DateFormat dateFormat) {
this.json.setDateFormat(dateFormat);
return this;
}
public ApiClient setSqlDateFormat(DateFormat dateFormat) {
this.json.setSqlDateFormat(dateFormat);
return this;
}
{{#joda}}
public ApiClient setDateTimeFormat(DateTimeFormatter dateFormat) {
this.json.setDateTimeFormat(dateFormat);
return this;
}
public ApiClient setLocalDateFormat(DateTimeFormatter dateFormat) {
this.json.setLocalDateFormat(dateFormat);
return this;
}
{{/joda}}
{{#jsr310}}
public ApiClient setOffsetDateTimeFormat(DateTimeFormatter dateFormat) {
this.json.setOffsetDateTimeFormat(dateFormat);
return this;
}
public ApiClient setLocalDateFormat(DateTimeFormatter dateFormat) {
this.json.setLocalDateFormat(dateFormat);
return this;
}
{{/jsr310}}
/**
* Helper method to configure the first api key found
* @param apiKey API key
* @return ApiClient
*/
public ApiClient setApiKey(String apiKey) {
for(Interceptor apiAuthorization : apiAuthorizations.values()) {
if (apiAuthorization instanceof ApiKeyAuth) {
ApiKeyAuth keyAuth = (ApiKeyAuth) apiAuthorization;
keyAuth.setApiKey(apiKey);
return this;
}
}
return this;
}
/**
* Helper method to set token for the first Http Bearer authentication found.
* @param bearerToken Bearer token
* @return ApiClient
*/
public ApiClient setBearerToken(String bearerToken) {
for (Interceptor apiAuthorization : apiAuthorizations.values()) {
if (apiAuthorization instanceof HttpBearerAuth) {
((HttpBearerAuth) apiAuthorization).setBearerToken(bearerToken);
return this;
}
}
return this;
}
/**
* Helper method to configure the username/password for basic auth or password oauth
* @param username Username
* @param password Password
* @return ApiClient
*/
public ApiClient setCredentials(String username, String password) {
for(Interceptor apiAuthorization : apiAuthorizations.values()) {
if (apiAuthorization instanceof HttpBasicAuth) {
HttpBasicAuth basicAuth = (HttpBasicAuth) apiAuthorization;
basicAuth.setCredentials(username, password);
return this;
}
{{#hasOAuthMethods}}
if (apiAuthorization instanceof OAuth) {
OAuth oauth = (OAuth) apiAuthorization;
oauth.getTokenRequestBuilder().setUsername(username).setPassword(password);
return this;
}
{{/hasOAuthMethods}}
}
return this;
}
{{#hasOAuthMethods}}
/**
* Helper method to configure the token endpoint of the first oauth found in the apiAuthorizations (there should be only one)
* @return Token request builder
*/
public TokenRequestBuilder getTokenEndPoint() {
for(Interceptor apiAuthorization : apiAuthorizations.values()) {
if (apiAuthorization instanceof OAuth) {
OAuth oauth = (OAuth) apiAuthorization;
return oauth.getTokenRequestBuilder();
}
}
return null;
}
/**
* Helper method to configure authorization endpoint of the first oauth found in the apiAuthorizations (there should be only one)
* @return Authentication request builder
*/
public AuthenticationRequestBuilder getAuthorizationEndPoint() {
for(Interceptor apiAuthorization : apiAuthorizations.values()) {
if (apiAuthorization instanceof OAuth) {
OAuth oauth = (OAuth) apiAuthorization;
return oauth.getAuthenticationRequestBuilder();
}
}
return null;
}
/**
* Helper method to pre-set the oauth access token of the first oauth found in the apiAuthorizations (there should be only one)
* @param accessToken Access token
* @return ApiClient
*/
public ApiClient setAccessToken(String accessToken) {
for(Interceptor apiAuthorization : apiAuthorizations.values()) {
if (apiAuthorization instanceof OAuth) {
OAuth oauth = (OAuth) apiAuthorization;
oauth.setAccessToken(accessToken);
return this;
}
}
return this;
}
/**
* Helper method to configure the oauth accessCode/implicit flow parameters
* @param clientId Client ID
* @param clientSecret Client secret
* @param redirectURI Redirect URI
* @return ApiClient
*/
public ApiClient configureAuthorizationFlow(String clientId, String clientSecret, String redirectURI) {
for(Interceptor apiAuthorization : apiAuthorizations.values()) {
if (apiAuthorization instanceof OAuth) {
OAuth oauth = (OAuth) apiAuthorization;
oauth.getTokenRequestBuilder()
.setClientId(clientId)
.setClientSecret(clientSecret)
.setRedirectURI(redirectURI);
oauth.getAuthenticationRequestBuilder()
.setClientId(clientId)
.setRedirectURI(redirectURI);
return this;
}
}
return this;
}
/**
* Configures a listener which is notified when a new access token is received.
* @param accessTokenListener Access token listener
* @return ApiClient
*/
public ApiClient registerAccessTokenListener(AccessTokenListener accessTokenListener) {
for(Interceptor apiAuthorization : apiAuthorizations.values()) {
if (apiAuthorization instanceof OAuth) {
OAuth oauth = (OAuth) apiAuthorization;
oauth.registerAccessTokenListener(accessTokenListener);
return this;
}
}
return this;
}
{{/hasOAuthMethods}}
/**
* Adds an authorization to be used by the client
* @param authName Authentication name
* @param authorization Authorization interceptor
* @return ApiClient
*/
public ApiClient addAuthorization(String authName, Interceptor authorization) {
if (apiAuthorizations.containsKey(authName)) {
throw new RuntimeException("auth name \"" + authName + "\" already in api authorizations");
}
apiAuthorizations.put(authName, authorization);
okBuilder.addInterceptor(authorization);
return this;
}
public Map getApiAuthorizations() {
return apiAuthorizations;
}
public ApiClient setApiAuthorizations(Map apiAuthorizations) {
this.apiAuthorizations = apiAuthorizations;
return this;
}
public Retrofit.Builder getAdapterBuilder() {
return adapterBuilder;
}
public ApiClient setAdapterBuilder(Retrofit.Builder adapterBuilder) {
this.adapterBuilder = adapterBuilder;
return this;
}
public OkHttpClient.Builder getOkBuilder() {
return okBuilder;
}
public void addAuthsToOkBuilder(OkHttpClient.Builder okBuilder) {
for(Interceptor apiAuthorization : apiAuthorizations.values()) {
okBuilder.addInterceptor(apiAuthorization);
}
}
/**
* Clones the okBuilder given in parameter, adds the auth interceptors and uses it to configure the Retrofit
* @param okClient An instance of OK HTTP client
*/
public void configureFromOkclient(OkHttpClient okClient) {
this.okBuilder = okClient.newBuilder();
addAuthsToOkBuilder(this.okBuilder);
}
}
/**
* This wrapper is to take care of this case:
* when the deserialization fails due to JsonParseException and the
* expected type is String, then just return the body string.
*/
class GsonResponseBodyConverterToString implements Converter {
private final Gson gson;
private final Type type;
GsonResponseBodyConverterToString(Gson gson, Type type) {
this.gson = gson;
this.type = type;
}
@Override public T convert(ResponseBody value) throws IOException {
String returned = value.string();
try {
return gson.fromJson(returned, type);
}
catch (JsonParseException e) {
return (T) returned;
}
}
}
class GsonCustomConverterFactory extends Converter.Factory
{
private final Gson gson;
private final GsonConverterFactory gsonConverterFactory;
public static GsonCustomConverterFactory create(Gson gson) {
return new GsonCustomConverterFactory(gson);
}
private GsonCustomConverterFactory(Gson gson) {
if (gson == null)
throw new NullPointerException("gson == null");
this.gson = gson;
this.gsonConverterFactory = GsonConverterFactory.create(gson);
}
@Override
public Converter responseBodyConverter(Type type, Annotation[] annotations, Retrofit retrofit) {
if (type.equals(String.class))
return new GsonResponseBodyConverterToString(gson, type);
else
return gsonConverterFactory.responseBodyConverter(type, annotations, retrofit);
}
@Override
public Converter requestBodyConverter(Type type, Annotation[] parameterAnnotations, Annotation[] methodAnnotations, Retrofit retrofit) {
return gsonConverterFactory.requestBodyConverter(type, parameterAnnotations, methodAnnotations, retrofit);
}
}
