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package it.inaf.ia2.gms.client.call;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;
public class GetUserGroupsCall extends BaseGmsCall {
public GetUserGroupsCall(HttpClientWrapper clientWrapper) {
super(clientWrapper);
}
/**
* Returns the groups the user belongs to. If a groupsPrefix (parent group)
* is specified, the prefix is removed from the list.
*/
public List<String> getUserGroups(String prefix) {
List<String> groups = new ArrayList<>();
HttpRequest groupsRequest = newHttpRequest("search")
.header("Accept", "text/plain")
.GET()
.build();
return getClient().sendAsync(groupsRequest, HttpResponse.BodyHandlers.ofInputStream())
.thenApply(response -> {
if (response.statusCode() == 200) {
return response.body();
}
logServerErrorInputStream(groupsRequest, response);
throw new IllegalStateException("Unable to retrieve groups");
})
.thenApply(inputStream -> {
try (Scanner scan = new Scanner(inputStream)) {
while (scan.hasNextLine()) {
String line = scan.nextLine();
if (!line.isEmpty()) {
if (prefix == null || prefix.isEmpty()) {
groups.add(line);
} else {
if (line.startsWith(prefix)) {
line = line.substring(prefix.length());
groups.add(line);
}
}
}
}
}
return groups;
}).join();
}
public List<String> getUserGroups(String userId, String prefix) {
List<String> groups = new ArrayList<>();
String endpoint = "membership";
if (prefix != null && !prefix.isBlank()) {
endpoint += "/" + prefix;
}
endpoint += "?user_id=" + userId;
HttpRequest groupsRequest = newHttpRequest(endpoint)
.header("Accept", "text/plain")
.GET()
.build();
return getClient().sendAsync(groupsRequest, HttpResponse.BodyHandlers.ofInputStream())
.thenApply(response -> {
if (response.statusCode() == 200) {
return response.body();
}
logServerErrorInputStream(groupsRequest, response);
throw new IllegalStateException("Unable to retrieve groups");
})
.thenApply(inputStream -> {
try (Scanner scan = new Scanner(inputStream)) {
while (scan.hasNextLine()) {
String line = scan.nextLine();
if (!line.isEmpty()) {
groups.add(line);
}
}
}
return groups;
}).join();
}
}