PackageViewer/src/main/java/fr/packageviewer/FedoraParser/FedoraParser.java

103 lines
3.9 KiB
Java

package fr.packageviewer.FedoraParser;
import java.io.IOException;
import java.net.URI;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Scanner;
import java.net.http.*;
import org.json.*;
public class FedoraParser {
public String getPackageFromAPI(String packageName) {
// create a new http client
HttpClient client = HttpClient.newHttpClient();
// and create its url
String url = "https://mdapi.fedoraproject.org/rawhide/pkg/"+packageName+"";
HttpRequest request = HttpRequest.newBuilder(URI.create(url)).build();
// send its url and return the string given
try {
String response = client.send(request, HttpResponse.BodyHandlers.ofString()).body();
if(response.contains("404: Not Found")) return "";
return response;
} catch (IOException|InterruptedException e) {
e.printStackTrace();
}
// if there's an error, return an empty string
return "";
}
public List<SearchedPackage> searchPackage(String packageName) {
HttpClient client = HttpClient.newHttpClient();
HttpRequest request = HttpRequest.newBuilder()
.uri(URI.create(
"https://src.fedoraproject.org/api/0/projects?namepace=rpms&per_page=100&short=true&pattern=*"
+ packageName+"*"))
.build();
HttpResponse<String> response;
try {
response = client.send(request, HttpResponse.BodyHandlers.ofString());
} catch (IOException | InterruptedException e) {
e.printStackTrace();
return null;
}
JSONObject json = new JSONObject(response.body());
List<SearchedPackage> searchedPackagesList = new ArrayList<>();
// iterate for every package in the list
for (Object searchResultObj : json.getJSONArray("projects")) {
// convert object into String
JSONObject searchResultJson = (JSONObject) searchResultObj;
// add package into to list
searchedPackagesList.add(new SearchedPackage(
searchResultJson.getString("neofetch"),
searchResultJson.getString("fullname"),
searchResultJson.getString("description")));
}
return searchedPackagesList;
}
public Package getPackageTree(String packageName, int depth) {
String name, version, repo, description;
List<Package> deps = new ArrayList<>();
// parse the json
String response = getPackageFromAPI(packageName);
if(response == ""){
return new Package(packageName+"(not found)", "N/A", "N/A", "N/A", Collections.emptyList());
}
JSONObject json = new JSONObject(response);
// get infos except dependencies
name = json.getString("basename");
version = json.getString("version");
repo = "rpms/"+packageName;
description = json.getString("description");
// if we're at the maximum depth, return the package without its dependencies
if(depth==0){
return new Package(name, version, repo, description, Collections.emptyList());
}
else {
// iterate for every package in the list
for (Object depPackageNameObj : json.getJSONArray("requires")) {
// convert object into String
JSONObject depPackageJSONObj = (JSONObject) depPackageNameObj;
// add package into Package List
String depName = depPackageJSONObj.getString("name");
if(depName.contains(".so")) continue;
if(depName.contains("/")) continue;
deps.add(getPackageTree(depName, depth - 1));
}
return new Package(name, version, repo, description, deps);
}
}
}