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The Java client for the GraphHopper Route Optimization API
package com.graphhopper.api.vrp.client;
import com.sun.jersey.api.client.Client;
import com.sun.jersey.api.client.ClientResponse;
import com.sun.jersey.api.client.config.ClientConfig;
import com.sun.jersey.api.client.config.DefaultClientConfig;
import com.sun.jersey.api.client.filter.LoggingFilter;
import com.sun.jersey.api.client.WebResource.Builder;
import com.sun.jersey.multipart.FormDataMultiPart;
import com.sun.jersey.multipart.file.FileDataBodyPart;
import javax.ws.rs.core.Response.Status.Family;
import javax.ws.rs.core.MediaType;
import java.util.Collection;
import java.util.Collections;
import java.util.Map;
import java.util.Map.Entry;
import java.util.HashMap;
import java.util.List;
import java.util.ArrayList;
import java.util.Date;
import java.util.TimeZone;
import java.net.URLEncoder;
import java.io.IOException;
import java.io.File;
import java.io.UnsupportedEncodingException;
import java.io.DataInputStream;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.text.ParseException;
import com.graphhopper.api.vrp.client.auth.Authentication;
import com.graphhopper.api.vrp.client.auth.HttpBasicAuth;
import com.graphhopper.api.vrp.client.auth.ApiKeyAuth;
import com.graphhopper.api.vrp.client.auth.OAuth;
@javax.annotation.Generated(value = "class io.swagger.codegen.languages.JavaClientCodegen", date = "2015-10-19T11:09:20.969+02:00")
public class ApiClient {
private Map hostMap = new HashMap();
private Map defaultHeaderMap = new HashMap();
private boolean debugging = false;
private String basePath = "https://graphhopper.com/api/1/vrp";
private JSON json = new JSON();
private Map authentications;
private int statusCode;
private Map> responseHeaders;
private DateFormat dateFormat;
public ApiClient() {
// Use ISO 8601 format for date and datetime.
// See https://en.wikipedia.org/wiki/ISO_8601
this.dateFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSZ");
// Use UTC as the default time zone.
this.dateFormat.setTimeZone(TimeZone.getTimeZone("UTC"));
// Set default User-Agent.
setUserAgent("Java-Swagger");
// Setup authentications (key: authentication name, value: authentication).
authentications = new HashMap();
authentications.put("api_key", new ApiKeyAuth("query", "key"));
// Prevent the authentications from being modified.
authentications = Collections.unmodifiableMap(authentications);
}
public String getBasePath() {
return basePath;
}
public ApiClient setBasePath(String basePath) {
this.basePath = basePath;
return this;
}
/**
* Gets the status code of the previous request
*/
public int getStatusCode() {
return statusCode;
}
/**
* Gets the response headers of the previous request
*/
public Map> getResponseHeaders() {
return responseHeaders;
}
/**
* 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!");
}
/**
* Set the User-Agent header's value (by adding to the default header map).
*/
public ApiClient setUserAgent(String userAgent) {
addDefaultHeader("User-Agent", userAgent);
return this;
}
/**
* Add a default header.
*
* @param key The header's key
* @param value The header's value
*/
public ApiClient addDefaultHeader(String key, String value) {
defaultHeaderMap.put(key, value);
return this;
}
/**
* Check that whether debugging is enabled for this API client.
*/
public boolean isDebugging() {
return debugging;
}
/**
* Enable/disable debugging for this API client.
*
* @param debugging To enable (true) or disable (false) debugging
*/
public ApiClient setDebugging(boolean debugging) {
this.debugging = debugging;
return this;
}
/**
* Get the date format used to parse/format date parameters.
*/
public DateFormat getDateFormat() {
return dateFormat;
}
/**
* Set the date format used to parse/format date parameters.
*/
public ApiClient setDateFormat(DateFormat dateFormat) {
this.dateFormat = dateFormat;
return this;
}
/**
* Parse the given string into Date object.
*/
public Date parseDate(String str) {
try {
return dateFormat.parse(str);
} catch (java.text.ParseException e) {
throw new RuntimeException(e);
}
}
/**
* Format the given Date object into string.
*/
public String formatDate(Date date) {
return dateFormat.format(date);
}
/**
* Format the given parameter object into string.
*/
public String parameterToString(Object param) {
if (param == null) {
return "";
} else if (param instanceof Date) {
return formatDate((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 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;
}
/**
* Select the Accept header's value from the given accepts array:
* if JSON exists in the given array, use it;
* otherwise use all of them (joining into a string)
*
* @param accepts The accepts array to select from
* @return The Accept header to use. If the given array is empty,
* null will be returned (not to set the Accept header explicitly).
*/
public String selectHeaderAccept(String[] accepts) {
if (accepts.length == 0) return null;
if (StringUtil.containsIgnoreCase(accepts, "application/json")) return "application/json";
return StringUtil.join(accepts, ",");
}
/**
* Select the Content-Type header's value from the given array:
* if JSON exists in the given array, use it;
* otherwise use the first one of the array.
*
* @param contentTypes The Content-Type array to select from
* @return The Content-Type header to use. If the given array is empty,
* JSON will be used.
*/
public String selectHeaderContentType(String[] contentTypes) {
if (contentTypes.length == 0) return "application/json";
if (StringUtil.containsIgnoreCase(contentTypes, "application/json")) return "application/json";
return contentTypes[0];
}
/**
* Escape the given string to be used as URL query value.
*/
public String escapeString(String str) {
try {
return URLEncoder.encode(str, "utf8").replaceAll("\\+", "%20");
} catch (UnsupportedEncodingException e) {
return str;
}
}
/**
* Serialize the given Java object into string according the given
* Content-Type (only JSON is supported for now).
*/
public String serialize(Object obj, String contentType) throws ApiException {
if (contentType.startsWith("application/json")) {
return json.serialize(obj);
} else {
throw new ApiException(400, "can not serialize object into Content-Type: " + contentType);
}
}
/**
* Deserialize response body to Java object according to the Content-Type.
*/
public T deserialize(ClientResponse response, TypeRef returnType) throws ApiException {
String contentType = null;
List contentTypes = response.getHeaders().get("Content-Type");
if (contentTypes != null && !contentTypes.isEmpty())
contentType = contentTypes.get(0);
if (contentType == null)
throw new ApiException(500, "missing Content-Type in response");
String body;
if (response.hasEntity())
body = (String) response.getEntity(String.class);
else
body = "";
if (contentType.startsWith("application/json")) {
return json.deserialize(body, returnType);
} else if (returnType.getType().equals(String.class)) {
// Expecting string, return the raw response body.
return (T) body;
} else {
throw new ApiException(
500,
"Content type \"" + contentType + "\" is not supported for type: "
+ returnType.getType()
);
}
}
private ClientResponse getAPIResponse(String path, String method, List queryParams, Object body, byte[] binaryBody, Map headerParams, Map formParams, String accept, String contentType, String[] authNames) throws ApiException {
if (body != null && binaryBody != null){
throw new ApiException(500, "either body or binaryBody must be null");
}
updateParamsForAuth(authNames, queryParams, headerParams);
Client client = getClient();
StringBuilder b = new StringBuilder();
b.append("?");
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);
Builder builder;
if (accept == null)
builder = client.resource(basePath + path + querystring).getRequestBuilder();
else
builder = client.resource(basePath + path + querystring).accept(accept);
for (String key : headerParams.keySet()) {
builder = builder.header(key, headerParams.get(key));
}
for (String key : defaultHeaderMap.keySet()) {
if (!headerParams.containsKey(key)) {
builder = builder.header(key, defaultHeaderMap.get(key));
}
}
String encodedFormParams = null;
if (contentType.startsWith("multipart/form-data")) {
FormDataMultiPart mp = new FormDataMultiPart();
for (Entry param: formParams.entrySet()) {
if (param.getValue() instanceof File) {
File file = (File) param.getValue();
mp.field(param.getKey(), file.getName());
mp.bodyPart(new FileDataBodyPart(param.getKey(), file, MediaType.MULTIPART_FORM_DATA_TYPE));
} else {
mp.field(param.getKey(), parameterToString(param.getValue()), MediaType.MULTIPART_FORM_DATA_TYPE);
}
}
body = mp;
} else if (contentType.startsWith("application/x-www-form-urlencoded")) {
encodedFormParams = this.getXWWWFormUrlencodedParams(formParams);
}
ClientResponse response = null;
if ("GET".equals(method)) {
response = (ClientResponse) builder.get(ClientResponse.class);
} else if ("POST".equals(method)) {
if (encodedFormParams != null) {
response = builder.type(contentType).post(ClientResponse.class, encodedFormParams);
} else if (body == null) {
if(binaryBody == null)
response = builder.post(ClientResponse.class, null);
else
response = builder.type(contentType).post(ClientResponse.class, binaryBody);
} else if (body instanceof FormDataMultiPart) {
response = builder.type(contentType).post(ClientResponse.class, body);
} else {
response = builder.type(contentType).post(ClientResponse.class, serialize(body, contentType));
}
} else if ("PUT".equals(method)) {
if (encodedFormParams != null) {
response = builder.type(contentType).put(ClientResponse.class, encodedFormParams);
} else if(body == null) {
if(binaryBody == null)
response = builder.put(ClientResponse.class, null);
else
response = builder.type(contentType).put(ClientResponse.class, binaryBody);
} else {
response = builder.type(contentType).put(ClientResponse.class, serialize(body, contentType));
}
} else if ("DELETE".equals(method)) {
if (encodedFormParams != null) {
response = builder.type(contentType).delete(ClientResponse.class, encodedFormParams);
} else if(body == null) {
if(binaryBody == null)
response = builder.delete(ClientResponse.class);
else
response = builder.type(contentType).delete(ClientResponse.class, binaryBody);
} else {
response = builder.type(contentType).delete(ClientResponse.class, serialize(body, contentType));
}
} else {
throw new ApiException(500, "unknown method type " + method);
}
return response;
}
/**
* Invoke API by sending HTTP request with the given options.
*
* @param path The sub-path of the HTTP URL
* @param method The request method, one of "GET", "POST", "PUT", and "DELETE"
* @param queryParams The query parameters
* @param body The request body object - if it is not binary, otherwise null
* @param binaryBody The request body object - if it is binary, otherwise null
* @param headerParams The header parameters
* @param formParams The form parameters
* @param accept The request's Accept header
* @param contentType The request's Content-Type header
* @param authNames The authentications to apply
* @return The response body in type of string
*/
public T invokeAPI(String path, String method, List queryParams, Object body, byte[] binaryBody, Map headerParams, Map formParams, String accept, String contentType, String[] authNames, TypeRef returnType) throws ApiException {
ClientResponse response = getAPIResponse(path, method, queryParams, body, binaryBody, headerParams, formParams, accept, contentType, authNames);
statusCode = response.getStatusInfo().getStatusCode();
responseHeaders = response.getHeaders();
if(response.getStatusInfo() == ClientResponse.Status.NO_CONTENT) {
return null;
} else if (response.getStatusInfo().getFamily() == Family.SUCCESSFUL) {
if (returnType == null)
return null;
else
return deserialize(response, returnType);
} else {
String message = "error";
String respBody = null;
if (response.hasEntity()) {
try {
respBody = String.valueOf(response.getEntity(String.class));
message = respBody;
} catch (RuntimeException e) {
// e.printStackTrace();
}
}
throw new ApiException(
response.getStatusInfo().getStatusCode(),
message,
response.getHeaders(),
respBody);
}
}
/**
* Invoke API by sending HTTP request with the given options - return binary result
*
* @param path The sub-path of the HTTP URL
* @param method The request method, one of "GET", "POST", "PUT", and "DELETE"
* @param queryParams The query parameters
* @param body The request body object - if it is not binary, otherwise null
* @param binaryBody The request body object - if it is binary, otherwise null
* @param headerParams The header parameters
* @param formParams The form parameters
* @param accept The request's Accept header
* @param contentType The request's Content-Type header
* @param authNames The authentications to apply
* @return The response body in type of string
*/
public byte[] invokeBinaryAPI(String path, String method, List queryParams, Object body, byte[] binaryBody, Map headerParams, Map formParams, String accept, String contentType, String[]authNames) throws ApiException {
ClientResponse response = getAPIResponse(path, method, queryParams, body, binaryBody, headerParams, formParams, accept, contentType, authNames);
if(response.getStatusInfo() == ClientResponse.Status.NO_CONTENT) {
return null;
}
else if(response.getStatusInfo().getFamily() == Family.SUCCESSFUL) {
if(response.hasEntity()) {
DataInputStream stream = new DataInputStream(response.getEntityInputStream());
byte[] data = new byte[response.getLength()];
try {
stream.readFully(data);
} catch (IOException ex) {
throw new ApiException(500, "Error obtaining binary response data");
}
return data;
}
else {
return new byte[0];
}
}
else {
String message = "error";
if(response.hasEntity()) {
try{
message = String.valueOf(response.getEntity(String.class));
}
catch (RuntimeException e) {
// e.printStackTrace();
}
}
throw new ApiException(
response.getStatusInfo().getStatusCode(),
message);
}
}
/**
* 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);
}
}
/**
* Encode the given form parameters as request body.
*/
private String getXWWWFormUrlencodedParams(Map formParams) {
StringBuilder formParamBuilder = new StringBuilder();
for (Entry param : formParams.entrySet()) {
String keyStr = param.getKey();
String valueStr = parameterToString(param.getValue());
try {
formParamBuilder.append(URLEncoder.encode(param.getKey(), "utf8"))
.append("=")
.append(URLEncoder.encode(valueStr, "utf8"));
formParamBuilder.append("&");
} catch (UnsupportedEncodingException e) {
// move on to next
}
}
String encodedFormParams = formParamBuilder.toString();
if (encodedFormParams.endsWith("&")) {
encodedFormParams = encodedFormParams.substring(0, encodedFormParams.length() - 1);
}
return encodedFormParams;
}
/**
* Get an existing client or create a new client to handle HTTP request.
*/
private Client getClient() {
if(!hostMap.containsKey(basePath)) {
Client client = Client.create();
if (debugging)
client.addFilter(new LoggingFilter());
hostMap.put(basePath, client);
}
return hostMap.get(basePath);
}
}