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android.libraries.volley.apiInvoker.mustache Maven / Gradle / Ivy
{{>licenseInfo}}
package {{invokerPackage}};
import com.android.volley.Cache;
import com.android.volley.DefaultRetryPolicy;
import com.android.volley.Network;
import com.android.volley.Request;
import com.android.volley.RequestQueue;
import com.android.volley.Response;
import com.android.volley.ResponseDelivery;
import com.android.volley.toolbox.BasicNetwork;
import com.android.volley.toolbox.HttpStack;
import com.android.volley.toolbox.HurlStack;
import com.android.volley.toolbox.NoCache;
import com.android.volley.toolbox.RequestFuture;
import com.google.gson.JsonParseException;
import org.apache.http.Consts;
import org.apache.http.HttpEntity;
import org.apache.http.entity.ContentType;
import org.apache.http.entity.StringEntity;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.TimeZone;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import {{invokerPackage}}.auth.Authentication;
import {{invokerPackage}}.auth.ApiKeyAuth;
import {{invokerPackage}}.auth.HttpBasicAuth;
import {{invokerPackage}}.request.GetRequest;
import {{invokerPackage}}.request.PostRequest;
import {{invokerPackage}}.request.PutRequest;
import {{invokerPackage}}.request.DeleteRequest;
import {{invokerPackage}}.request.PatchRequest;
public class ApiInvoker {
private static ApiInvoker INSTANCE;
private Map defaultHeaderMap = new HashMap();
private RequestQueue mRequestQueue;
private Map authentications;
private int connectionTimeout;
/** Content type "text/plain" with UTF-8 encoding. */
public static final ContentType TEXT_PLAIN_UTF8 = ContentType.create("text/plain", Consts.UTF_8);
/**
* ISO 8601 date time format.
* @see https://en.wikipedia.org/wiki/ISO_8601
*/
public static final SimpleDateFormat DATE_TIME_FORMAT = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSZ");
/**
* ISO 8601 date format.
* @see https://en.wikipedia.org/wiki/ISO_8601
*/
public static final SimpleDateFormat DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd");
static {
// Use UTC as the default time zone.
DATE_TIME_FORMAT.setTimeZone(TimeZone.getTimeZone("UTC"));
DATE_FORMAT.setTimeZone(TimeZone.getTimeZone("UTC"));
}
public static void setUserAgent(String userAgent) {
INSTANCE.addDefaultHeader("User-Agent", userAgent);
}
public static Date parseDateTime(String str) {
try {
return DATE_TIME_FORMAT.parse(str);
} catch (java.text.ParseException e) {
throw new RuntimeException(e);
}
}
public static Date parseDate(String str) {
try {
return DATE_FORMAT.parse(str);
} catch (java.text.ParseException e) {
throw new RuntimeException(e);
}
}
public static String formatDateTime(Date datetime) {
return DATE_TIME_FORMAT.format(datetime);
}
public static String formatDate(Date date) {
return DATE_FORMAT.format(date);
}
public static String parameterToString(Object param) {
if (param == null) {
return "";
} else if (param instanceof Date) {
return formatDateTime((Date) param);
} else if (param instanceof Collection) {
StringBuilder b = new StringBuilder();
for(Object o : (Collection)param) {
if(b.length() > 0) {
b.append(",");
}
b.append(String.valueOf(o));
}
return b.toString();
} else {
return String.valueOf(param);
}
}
/*
Format to {@code Pair} objects.
*/
public static List parameterToPairs(String collectionFormat, String name, Object value){
List params = new ArrayList();
// preconditions
if (name == null || name.isEmpty() || value == null) return params;
Collection valueCollection = null;
if (value instanceof Collection) {
valueCollection = (Collection) value;
} else {
params.add(new Pair(name, parameterToString(value)));
return params;
}
if (valueCollection.isEmpty()){
return params;
}
// get the collection format
collectionFormat = (collectionFormat == null || collectionFormat.isEmpty() ? "csv" : collectionFormat); // default: csv
// create the params based on the collection format
if (collectionFormat.equals("multi")) {
for (Object item : valueCollection) {
params.add(new Pair(name, parameterToString(item)));
}
return params;
}
String delimiter = ",";
if (collectionFormat.equals("csv")) {
delimiter = ",";
} else if (collectionFormat.equals("ssv")) {
delimiter = " ";
} else if (collectionFormat.equals("tsv")) {
delimiter = "\t";
} else if (collectionFormat.equals("pipes")) {
delimiter = "|";
}
StringBuilder sb = new StringBuilder() ;
for (Object item : valueCollection) {
sb.append(delimiter);
sb.append(parameterToString(item));
}
params.add(new Pair(name, sb.substring(1)));
return params;
}
public static void initializeInstance() {
initializeInstance(null);
}
public static void initializeInstance(Cache cache) {
initializeInstance(cache, null, 0, null, 30);
}
public static void initializeInstance(Cache cache, Network network, int threadPoolSize, ResponseDelivery delivery, int connectionTimeout) {
INSTANCE = new ApiInvoker(cache, network, threadPoolSize, delivery, connectionTimeout);
setUserAgent("{{{httpUserAgent}}}{{^httpUserAgent}}OpenAPI-Generator/{{{artifactVersion}}}/android{{/httpUserAgent}}");
// Setup authentications (key: authentication name, value: authentication).
INSTANCE.authentications = new HashMap();
{{#authMethods}}
{{#isApiKey}}
INSTANCE.authentications.put("{{name}}", new ApiKeyAuth({{#isKeyInHeader}}"header"{{/isKeyInHeader}}{{^isKeyInHeader}}"query"{{/isKeyInHeader}}, "{{keyParamName}}"));
{{/isApiKey}}
{{#isBasic}}
INSTANCE.authentications.put("{{name}}", new HttpBasicAuth());
{{/isBasic}}
{{#isOAuth}}
// TODO: comment out below as OAuth does not exist
//INSTANCE.authentications.put("{{name}}", new OAuth());
{{/isOAuth}}
{{/authMethods}}
// Prevent the authentications from being modified.
INSTANCE.authentications = Collections.unmodifiableMap(INSTANCE.authentications);
}
private ApiInvoker(Cache cache, Network network, int threadPoolSize, ResponseDelivery delivery, int connectionTimeout) {
if(cache == null) cache = new NoCache();
if(network == null) {
HttpStack stack = new HurlStack();
network = new BasicNetwork(stack);
}
if(delivery == null) {
initConnectionRequest(cache, network);
} else {
initConnectionRequest(cache, network, threadPoolSize, delivery);
}
this.connectionTimeout = connectionTimeout;
}
public static ApiInvoker getInstance() {
if (INSTANCE == null) initializeInstance();
return INSTANCE;
}
public void addDefaultHeader(String key, String value) {
defaultHeaderMap.put(key, value);
}
public String escapeString(String str) {
try {
return URLEncoder.encode(str, "UTF-8");
} catch (UnsupportedEncodingException e) {
return str;
}
}
public static Object deserialize(String json, String containerType, Class cls) throws ApiException {
try{
if("list".equalsIgnoreCase(containerType) || "array".equalsIgnoreCase(containerType)) {
return JsonUtil.deserializeToList(json, cls);
}
else if(String.class.equals(cls)) {
if(json != null && json.startsWith("\"") && json.endsWith("\"") && json.length() > 1)
return json.substring(1, json.length() - 1);
else
return json;
}
else {
return JsonUtil.deserializeToObject(json, cls);
}
}
catch (JsonParseException e) {
throw new ApiException(500, e.getMessage());
}
}
public static String serialize(Object obj) throws ApiException {
try {
if (obj != null)
return JsonUtil.serialize(obj);
else
return null;
}
catch (Exception e) {
throw new ApiException(500, e.getMessage());
}
}
/**
* Get authentications (key: authentication name, value: authentication).
*/
public Map getAuthentications() {
return authentications;
}
/**
* Get authentication for the given name.
*
* @param authName The authentication name
* @return The authentication, null if not found
*/
public Authentication getAuthentication(String authName) {
return authentications.get(authName);
}
/**
* Helper method to set username for the first HTTP basic authentication.
*/
public void setUsername(String username) {
for (Authentication auth : authentications.values()) {
if (auth instanceof HttpBasicAuth) {
((HttpBasicAuth) auth).setUsername(username);
return;
}
}
throw new RuntimeException("No HTTP basic authentication configured!");
}
/**
* Helper method to set password for the first HTTP basic authentication.
*/
public void setPassword(String password) {
for (Authentication auth : authentications.values()) {
if (auth instanceof HttpBasicAuth) {
((HttpBasicAuth) auth).setPassword(password);
return;
}
}
throw new RuntimeException("No HTTP basic authentication configured!");
}
/**
* Helper method to set API key value for the first API key authentication.
*/
public void setApiKey(String apiKey) {
for (Authentication auth : authentications.values()) {
if (auth instanceof ApiKeyAuth) {
((ApiKeyAuth) auth).setApiKey(apiKey);
return;
}
}
throw new RuntimeException("No API key authentication configured!");
}
/**
* Helper method to set API key prefix for the first API key authentication.
*/
public void setApiKeyPrefix(String apiKeyPrefix) {
for (Authentication auth : authentications.values()) {
if (auth instanceof ApiKeyAuth) {
((ApiKeyAuth) auth).setApiKeyPrefix(apiKeyPrefix);
return;
}
}
throw new RuntimeException("No API key authentication configured!");
}
public void setConnectionTimeout(int connectionTimeout){
this.connectionTimeout = connectionTimeout;
}
public int getConnectionTimeout() {
return connectionTimeout;
}
/**
* Update query and header parameters based on authentication settings.
*
* @param authNames The authentications to apply
*/
private void updateParamsForAuth(String[] authNames, List queryParams, Map headerParams) {
for (String authName : authNames) {
Authentication auth = authentications.get(authName);
if (auth == null) throw new RuntimeException("Authentication undefined: " + authName);
auth.applyToParams(queryParams, headerParams);
}
}
public String invokeAPI(String host, String path, String method, List queryParams, Object body, Map headerParams, Map formParams, String contentType, String[] authNames) throws ApiException, InterruptedException, ExecutionException, TimeoutException {
try {
RequestFuture future = RequestFuture.newFuture();
Request request = createRequest(host, path, method, queryParams, body, headerParams, formParams, contentType, authNames, future, future);
if(request != null) {
mRequestQueue.add(request);
return future.get(connectionTimeout, TimeUnit.SECONDS);
} else {
return "no data";
}
} catch (UnsupportedEncodingException ex) {
throw new ApiException(0, "UnsupportedEncodingException");
}
}
public void invokeAPI(String host, String path, String method, List queryParams, Object body, Map headerParams, Map formParams, String contentType, String[] authNames, Response.Listener stringRequest, Response.ErrorListener errorListener) throws ApiException {
try {
Request request = createRequest(host, path, method, queryParams, body, headerParams, formParams, contentType, authNames, stringRequest, errorListener);
if (request != null) {
mRequestQueue.add(request);
}
} catch (UnsupportedEncodingException ex) {
throw new ApiException(0, "UnsupportedEncodingException");
}
}
public Request createRequest(String host, String path, String method, List queryParams, Object body, Map headerParams, Map formParams, String contentType, String[] authNames, Response.Listener stringRequest, Response.ErrorListener errorListener) throws ApiException, UnsupportedEncodingException {
StringBuilder b = new StringBuilder();
b.append("?");
updateParamsForAuth(authNames, queryParams, headerParams);
if (queryParams != null){
for (Pair queryParam : queryParams){
if (!queryParam.getName().isEmpty()) {
b.append(escapeString(queryParam.getName()));
b.append("=");
b.append(escapeString(queryParam.getValue()));
b.append("&");
}
}
}
String querystring = b.substring(0, b.length() - 1);
String url = host + path + querystring;
HashMap headers = new HashMap();
for(String key : headerParams.keySet()) {
headers.put(key, headerParams.get(key));
}
for(String key : defaultHeaderMap.keySet()) {
if(!headerParams.containsKey(key)) {
headers.put(key, defaultHeaderMap.get(key));
}
}
headers.put("Accept", "application/json");
// URL encoded string from form parameters
String formParamStr = null;
// for form data
if ("application/x-www-form-urlencoded".equals(contentType)) {
StringBuilder formParamBuilder = new StringBuilder();
// encode the form params
for (String key : formParams.keySet()) {
String value = formParams.get(key);
if (value != null && !"".equals(value.trim())) {
if (formParamBuilder.length() > 0) {
formParamBuilder.append("&");
}
try {
formParamBuilder.append(URLEncoder.encode(key, "utf8")).append("=").append(URLEncoder.encode(value, "utf8"));
}
catch (Exception e) {
// move on to next
}
}
}
formParamStr = formParamBuilder.toString();
}
Request request = null;
if ("GET".equals(method)) {
request = new GetRequest(url, headers, null, stringRequest, errorListener);
}
else if ("POST".equals(method)) {
request = null;
if (formParamStr != null) {
request = new PostRequest(url, headers, contentType, new StringEntity(formParamStr, "UTF-8"), stringRequest, errorListener);
} else if (body != null) {
if (body instanceof HttpEntity) {
request = new PostRequest(url, headers, null, (HttpEntity) body, stringRequest, errorListener);
} else {
request = new PostRequest(url, headers, contentType, new StringEntity(serialize(body), "UTF-8"), stringRequest, errorListener);
}
} else {
request = new PostRequest(url, headers, null, null, stringRequest, errorListener);
}
}
else if ("PUT".equals(method)) {
request = null;
if (formParamStr != null) {
request = new PutRequest(url, headers, contentType, new StringEntity(formParamStr, "UTF-8"), stringRequest, errorListener);
} else if (body != null) {
if (body instanceof HttpEntity) {
request = new PutRequest(url, headers, null, (HttpEntity) body, stringRequest, errorListener);
} else {
request = new PutRequest(url, headers, contentType, new StringEntity(serialize(body), "UTF-8"), stringRequest, errorListener);
}
} else {
request = new PutRequest(url, headers, null, null, stringRequest, errorListener);
}
}
else if ("DELETE".equals(method)) {
request = null;
if (formParamStr != null) {
request = new DeleteRequest(url, headers, contentType, new StringEntity(formParamStr, "UTF-8"), stringRequest, errorListener);
} else if (body != null) {
if (body instanceof HttpEntity) {
request = new DeleteRequest(url, headers, null, (HttpEntity) body, stringRequest, errorListener);
} else {
request = new DeleteRequest(url, headers, contentType, new StringEntity(serialize(body), "UTF-8"), stringRequest, errorListener);
}
} else {
request = new DeleteRequest(url, headers, null, null, stringRequest, errorListener);
}
}
else if ("PATCH".equals(method)) {
request = null;
if (formParamStr != null) {
request = new PatchRequest(url, headers, contentType, new StringEntity(formParamStr, "UTF-8"), stringRequest, errorListener);
} else if (body != null) {
if (body instanceof HttpEntity) {
request = new PatchRequest(url, headers, null, (HttpEntity) body, stringRequest, errorListener);
} else {
request = new PatchRequest(url, headers, contentType, new StringEntity(serialize(body), "UTF-8"), stringRequest, errorListener);
}
} else {
request = new PatchRequest(url, headers, null, null, stringRequest, errorListener);
}
}
if (request != null) {
request.setRetryPolicy(new DefaultRetryPolicy((int)TimeUnit.SECONDS.toMillis(this.connectionTimeout), DefaultRetryPolicy.DEFAULT_MAX_RETRIES, DefaultRetryPolicy.DEFAULT_BACKOFF_MULT));
}
return request;
}
private void initConnectionRequest(Cache cache, Network network) {
mRequestQueue = new RequestQueue(cache, network);
mRequestQueue.start();
}
private void initConnectionRequest(Cache cache, Network network, int threadPoolSize, ResponseDelivery delivery) {
mRequestQueue = new RequestQueue(cache, network, threadPoolSize, delivery);
mRequestQueue.start();
}
public void stopQueue() {
mRequestQueue.stop();
}
}
