big refactor to use enum and be upgradable
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Capelier-Marla
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19517d5b6c
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134d5554ab
63
src/main/java/fr/packageviewer/DistributionEnum.java
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63
src/main/java/fr/packageviewer/DistributionEnum.java
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package fr.packageviewer;
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import java.util.ArrayList;
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import java.util.List;
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import fr.packageviewer.distribution.ArchDistribution;
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import fr.packageviewer.distribution.Distribution;
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import fr.packageviewer.distribution.FedoraDistribution;
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/**
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* Enum containing contructors for each distribution to get them by their name
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* @author Capelier-Marla
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*/
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public enum DistributionEnum {
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ARCH("arch", new ArchDistribution()),
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FEDORA("fedora", new FedoraDistribution()),
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;
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private String name;
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private Distribution distributionConstructor;
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/**
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* Contructor for enums
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* @param name
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* @param distributionConstructor
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* @author Capelier-Marla
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*/
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DistributionEnum(String name, Distribution distributionConstructor) {
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this.name = name;
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this.distributionConstructor = distributionConstructor;
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}
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/**
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* Get the distribution instance for the distribution requested in String
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* @param name name of the distribution requested
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* @return the instance of the distribution requested
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* @author Capelier-Marla
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*/
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public static Distribution getDistributionContructorByName(String name) {
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// loop for all ditributions stored in enum
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for(var distrib : values()) {
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// return the instance if it's the same as enum name
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if(distrib.name.equals(name)) {
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return distrib.distributionConstructor;
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}
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}
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return null;
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}
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/**
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* Get all distribution instances available in this enum
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* @return the set of distribution instances
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*/
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public static List<Distribution> getAllDistributionsInstances() {
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// create the set that will be returned
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List<Distribution> result = new ArrayList<>();
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// add all the distribution instances in the set
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for(var ditrib : values()) {
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result.add(ditrib.distributionConstructor);
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}
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return result;
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}
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}
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@ -1,75 +1,28 @@
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package fr.packageviewer;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.Scanner;
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import fr.packageviewer.pack.SearchedPackage;
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public class Main {
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/**
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* Check if the given distribution is supported
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* @param distribution distribution name
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* @return the distribution wanted if found, or null if there is none, or stop the program if it is not supported
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* @author Capelier-Marla
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*/
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private static String processDistribution(String distribution) {
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// check if the user asked a distribution
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if(distribution == null || distribution.length() == 0) {
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return null;
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}
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// create a map with the distribution names
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Map<String, String> distributionMap = new HashMap<String, String>();
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distributionMap.put("ARCH", "archlinux");
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distributionMap.put("ARCHLINUX", "archlinux");
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distributionMap.put("FEDORA", "fedora");
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distribution = distribution.toUpperCase();
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// check if we support the distribtion
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if(distributionMap.containsKey(distribution)) {
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// give the distribution name
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return distributionMap.get(distribution);
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} else {
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// stop the program as the user want a non-supported distribution
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System.out.println("Cette ditribution n'a pas été trouvée");
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System.exit(0);
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return null;
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}
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}
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public static void main(String[] args) {
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// send the command line arguments to the parser
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ArgParse.parseArguments(args);
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String packet = ArgParse.getPacket();
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String distribution = ArgParse.getDistribution();
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distribution = processDistribution(distribution);
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// the list of packages we will show later
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List<SearchedPackage> packets = new ArrayList<>();
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// distribution is null when no distribution is specified
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// else we get the list of packages from the distribution
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// we create an object to search the packages in the distribution
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Searcher searcher;
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if(distribution == null) {
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packets = Searcher.searchForAll(packet);
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searcher = new Searcher();
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} else {
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switch (distribution) {
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case "archlinux":
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packets = Searcher.searchForArch(packet);
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break;
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case "fedora":
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packets = Searcher.searchForFedora(packet);
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break;
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default:
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System.out.println("Error: Unknown");
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System.exit(0);
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break;
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}
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searcher = new Searcher(distribution);
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}
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// we get the packages list
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List<SearchedPackage> packets = searcher.searchPackages(packet);
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// list all packages in reverse order
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for (int i = packets.size(); i-- > 0; ) {
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SearchedPackage searchedPacket = packets.get(i);
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@ -1,114 +1,66 @@
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package fr.packageviewer;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.List;
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import java.util.concurrent.ExecutionException;
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import java.util.concurrent.Future;
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import fr.packageviewer.distribution.ArchDistribution;
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import fr.packageviewer.distribution.Distribution;
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import fr.packageviewer.distribution.FedoraDistribution;
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import fr.packageviewer.pack.SearchedPackage;
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import fr.packageviewer.pack.Package;
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public class Searcher {
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public static List<SearchedPackage> searchForAll(String packet) {
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// init distribution to search in it
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Distribution arch = new ArchDistribution();
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Distribution fedora = new FedoraDistribution();
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// search for the package in the distribution
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Future<List<SearchedPackage>> archPackages = arch.searchPackage(packet);
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Future<List<SearchedPackage>> fedoraPackages = fedora.searchPackage(packet);
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// init the list of packages that will be returned
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List<SearchedPackage> archResult = new ArrayList<>();
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List<SearchedPackage> fedoraResult = new ArrayList<>();
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// try to get the searched packages to return it after
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try {
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archResult = archPackages.get();
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fedoraResult = fedoraPackages.get();
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} catch (Exception e) {
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/* TODO: handle exception */
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private String distributionName = null;
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public Searcher() {}
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public Searcher(String distributionName) {
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this.distributionName = distributionName;
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}
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archResult.addAll(fedoraResult);
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return archResult;
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public void setDistribution(String distribution) {
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this.distributionName = distribution;
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}
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/**
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* Search for the specified package in Arch repositories
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* @param packet the package to search
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* @return The list of packages that match the name
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* Get the list of all packages in the distribution setted before
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* @param packageName the name of the package wanted
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* @return the list of all packages found
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* @author Capelier-Marla
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*/
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public static List<SearchedPackage> searchForArch(String packet) {
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// init distribution to search in it
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Distribution arch = new ArchDistribution();
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// search for the package in the distribution
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Future<List<SearchedPackage>> packages = arch.searchPackage(packet);
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// init the list of packages that will be returned
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List<SearchedPackage> result = new ArrayList<>();
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// try to get the searched packages to return it after
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try {
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result = packages.get();
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} catch (Exception e) {
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/* TODO: handle exception */
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public List<SearchedPackage> searchPackages(String packageName) {
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// we add all instanced constructors in a list, only one if defined at creation of the object
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List<Distribution> distributions;
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if(distributionName == null) {
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distributions = DistributionEnum.getAllDistributionsInstances();
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} else {
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distributions = Collections.singletonList(DistributionEnum.getDistributionContructorByName(distributionName));
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if(distributions.get(0) == null) {
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System.out.println("Distribution non trouvée");
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System.exit(0);
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}
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return result;
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}
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// this is the list we will return containing all packages
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List<SearchedPackage> allPackages = new ArrayList<>();
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// this contains all future list of packages to get them after
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List<Future<List<SearchedPackage>>> listFuturePackagesList = new ArrayList<>();
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// we add all future packages in a list
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for (Distribution distribution : distributions) {
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listFuturePackagesList.add(distribution.searchPackage(packageName));
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}
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/**
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* Search for the specified package in Fedora repositories
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* @param packet the package to search
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* @return The list of packages that match the name
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* @author Capelier-Marla
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*/
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public static List<SearchedPackage> searchForFedora(String packet) {
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// init distribution to search in it
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Distribution fedora = new FedoraDistribution();
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// search for the package in the distribution
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Future<List<SearchedPackage>> packages = fedora.searchPackage(packet);
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// init the list of packages that will be returned
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List<SearchedPackage> result = new ArrayList<>();
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// try to get the searched packages to return it after
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// we get all packages waiting for them to be received
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for(Future<List<SearchedPackage>> futurePackageList : listFuturePackagesList ) {
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try {
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result = packages.get();
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} catch (Exception e) {
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/* TODO: handle exception */
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}
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return result;
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}
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/**
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* Search for the specific package in the specific distribution, we need the searchedPackage to get informations about it like it name and distribution
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* @param pSearchedPackage the package to search for
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* @return a complete package with its dependencies
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* @author Capelier-Marla
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*/
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public static Package getPackage(SearchedPackage pSearchedPackage) {
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// we get the name of the distribution of the package
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String distName = pSearchedPackage.getDistribution();
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// we create a distribution object
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Distribution distribution;
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switch (distName) {
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case "archlinux":
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distribution = new ArchDistribution();
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break;
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case "fedora":
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distribution = new FedoraDistribution();
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break;
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default:
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System.out.println("Error: Unknown");
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System.exit(1);
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return null;
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}
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// create the futue package we'll get from searching
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Future<Package> packet = distribution.getPackageTree(pSearchedPackage.getName(), 4);
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// object containing the package we're looking for
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Package result;
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try {
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result = packet.get();
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} catch (Exception e) {
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return null;
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}
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// return the package
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return result;
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List<SearchedPackage> tempList = futurePackageList.get();
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allPackages.addAll(tempList);
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} catch (InterruptedException | ExecutionException e) {
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e.printStackTrace();
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}
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}
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return allPackages;
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}
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}
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