optimized implementation

src/main/java/org/cryptomator/common/ErrorCode.java

@@ -32,17 +32,14 @@ public class ErrorCode {
 		this.rootCauseSpecificFrames = rootCauseSpecificFrames;
 	}
 
-	// visible for testing
-	String methodCode() {
+	public String methodCode() {
 		return format(traceCode(rootCause, LATEST_FRAME));
 	}
 
-	// visible for testing
-	String rootCauseCode() {
+	public String rootCauseCode() {
 		return format(traceCode(rootCause, rootCauseSpecificFrames));
 	}
 
-	// visible for testing
 	String throwableCode() {
 		return format(traceCode(throwable, ALL_FRAMES));
 	}

src/main/java/org/cryptomator/ui/common/HttpHelper.java

@@ -0,0 +1,19 @@
+package org.cryptomator.ui.common;
+
+import com.google.common.io.CharStreams;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.net.http.HttpResponse;
+import java.nio.charset.StandardCharsets;
+
+public class HttpHelper {
+
+	public static String readBody(HttpResponse<InputStream> response) throws IOException {
+		try (var in = response.body(); var reader = new InputStreamReader(in, StandardCharsets.UTF_8)) {
+			return CharStreams.toString(reader);
+		}
+	}
+
+}

src/main/java/org/cryptomator/ui/error/ErrorController.java

@@ -2,13 +2,11 @@ package org.cryptomator.ui.error;
 
 import com.google.common.reflect.TypeToken;
 import com.google.gson.Gson;
-import com.google.gson.JsonObject;
 import org.cryptomator.common.Environment;
 import org.cryptomator.common.ErrorCode;
 import org.cryptomator.common.Nullable;
 import org.cryptomator.ui.common.FxController;
 
-import java.lang.reflect.Type;
 import javax.inject.Inject;
 import javax.inject.Named;
 import javafx.application.Application;
@@ -20,32 +18,22 @@ import javafx.scene.Scene;
 import javafx.scene.input.Clipboard;
 import javafx.scene.input.ClipboardContent;
 import javafx.stage.Stage;
-import java.io.IOException;
 import java.io.InputStream;
-import java.net.MalformedURLException;
+import java.io.InputStreamReader;
 import java.net.URI;
-import java.net.URL;
 import java.net.URLEncoder;
 import java.net.http.HttpClient;
 import java.net.http.HttpRequest;
 import java.net.http.HttpResponse;
 import java.nio.charset.StandardCharsets;
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.List;
+import java.util.Comparator;
+import java.util.Map;
 import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.ExecutorService;
 import java.util.concurrent.TimeUnit;
 
-import com.google.gson.JsonParser;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import java.io.InputStreamReader;
-import java.util.Set;
-
 public class ErrorController implements FxController {
 
-	private static final Logger LOG = LoggerFactory.getLogger(ErrorController.class);
 	private static final String ERROR_CODES_URL = "https://gist.githubusercontent.com/cryptobot/accba9fb9555e7192271b85606f97230/raw/errorcodes.json";
 	private static final String SEARCH_URL_FORMAT = "https://github.com/cryptomator/cryptomator/discussions/categories/errors?discussions_q=category:Errors+%s";
 	private static final String REPORT_URL_FORMAT = "https://github.com/cryptomator/cryptomator/discussions/new?category=Errors&title=Error+%s&body=%s";
@@ -70,100 +58,28 @@ public class ErrorController implements FxController {
 	private final Stage window;
 	private final Environment environment;
 
-	private BooleanProperty copiedDetails = new SimpleBooleanProperty();
-	private BooleanProperty lookUpSolutionVisibility = new SimpleBooleanProperty();
-	private final HttpClient httpClient;
-
-	List<ErrorDiscussion> errorDiscussionList;
+	private final BooleanProperty copiedDetails = new SimpleBooleanProperty();
+	private final BooleanProperty lookUpSolutionVisibility = new SimpleBooleanProperty();
+	private final BooleanProperty isLoadingHttpResponse = new SimpleBooleanProperty();
+	private	ErrorDiscussion matchingErrorDiscussion;
 
 	@Inject
-	ErrorController(Application application, @Named("stackTrace") String stackTrace, ErrorCode errorCode, @Nullable Scene previousScene, Stage window, Environment environment) {
+	ErrorController(Application application, @Named("stackTrace") String stackTrace, ErrorCode errorCode, @Nullable Scene previousScene, Stage window, Environment environment, ExecutorService executorService) {
 		this.application = application;
 		this.stackTrace = stackTrace;
 		this.errorCode = errorCode;
 		this.previousScene = previousScene;
 		this.window = window;
 		this.environment = environment;
-		this.httpClient = HttpClient.newBuilder().version(HttpClient.Version.HTTP_1_1).build();
 
-
-
-		HttpClient httpClient = HttpClient.newHttpClient();
+		isLoadingHttpResponse.set(true);
+		HttpClient httpClient = HttpClient.newBuilder().version(HttpClient.Version.HTTP_1_1).build();
 		HttpRequest httpRequest = HttpRequest.newBuilder()
 				.uri(URI.create(ERROR_CODES_URL))
 				.build();
-
-		CompletableFuture<HttpResponse<String>> future = httpClient.sendAsync(httpRequest, HttpResponse.BodyHandlers.ofString());
-
-		future.thenAcceptAsync(response -> {
-			int statusCode = response.statusCode();
-			if (statusCode == 200) {
-				String jsonString = response.body();
-				//LOG.debug("jpkED - jsonString : " + jsonString);
-				//System.out.println(jsonString);
-
-				//JsonObject jsonObject = (JsonObject)new JsonParser().parse(jsonString);
-
-				jsonString = "[{\"id\":\"D_kwDOAPryk84ASwC1\",\"upvoteCount\":4,\"title\":\"Error GH1B:GH1B:NJFJ\",\"url\":\"https://github.com/cryptomator/cryptomator/discussions/2710\",\"answer\":{\"url\":\"https://github.com/cryptomator/cryptomator/discussions/2710#discussioncomment-5191708\",\"upvoteCount\":3},\"comments\":8},{\"id\":\"D_kwDOAPryk84ASw_I\",\"upvoteCount\":1,\"title\":\"Error GH1B:GH1B:NJFJ\",\"url\":\"https://github.com/cryptomator/cryptomator/discussions/2716\",\"answer\":null,\"comments\":2},{\"id\":\"D_kwDOAPryk84ASxAg\",\"upvoteCount\":1,\"title\":\"Error GH1B:GH1B:NJFJ\",\"url\":\"https://github.com/cryptomator/cryptomator/discussions/2717\",\"answer\":{\"url\":\"https://github.com/cryptomator/cryptomator/discussions/2717#discussioncomment-5181996\",\"upvoteCount\":2},\"comments\":3},{\"id\":\"D_kwDOAPryk84ASxDK\",\"upvoteCount\":1,\"title\":\"Error GH1B:GH1B:NJFJ\",\"url\":\"https://github.com/cryptomator/cryptomator/discussions/2718\",\"answer\":null,\"comments\":0},{\"id\":\"D_kwDOAPryk84ATj-U\",\"upvoteCount\":1,\"title\":\"ErrorCode N05M:GEAO:GEAO\",\"url\":\"https://github.com/cryptomator/cryptomator/discussions/2877\",\"answer\":null,\"comments\":1},{\"id\":\"D_kwDOAPryk84ATl2o\",\"upvoteCount\":1,\"title\":\"Error GH1B:GH1B:NJFJ\",\"url\":\"https://github.com/cryptomator/cryptomator/discussions/2883\",\"answer\":{\"url\":\"https://github.com/cryptomator/cryptomator/discussions/2883#discussioncomment-5769879\",\"upvoteCount\":1},\"comments\":1},{\"id\":\"D_kwDOAPryk84ATqCM\",\"upvoteCount\":1,\"title\":\"Error Code 4VHF:1S9S:5EOP\",\"url\":\"https://github.com/cryptomator/cryptomator/discussions/2887\",\"answer\":null,\"comments\":0},{\"id\":\"D_kwDOAPryk84ATqDF\",\"upvoteCount\":1,\"title\":\"Error H1VR:OTAS:OTAS\",\"url\":\"https://github.com/cryptomator/cryptomator/discussions/2888\",\"answer\":null,\"comments\":0},{\"id\":\"D_kwDOAPryk84ATrPD\",\"upvoteCount\":1,\"title\":\"Error S4DB:IV2H:I3UI\",\"url\":\"https://github.com/cryptomator/cryptomator/discussions/2891\",\"answer\":{\"url\":\"https://github.com/cryptomator/cryptomator/discussions/2891#discussioncomment-5797329\",\"upvoteCount\":1},\"comments\":1},{\"id\":\"D_kwDOAPryk84ATtJZ\",\"upvoteCount\":1,\"title\":\"Error 3MAT:BDUS:BDUS\",\"url\":\"https://github.com/cryptomator/cryptomator/discussions/2894\",\"answer\":null,\"comments\":0},{\"id\":\"D_kwDOAPryk84ATuDc\",\"upvoteCount\":1,\"title\":\"Error QPDR:AFGD:AFGD\",\"url\":\"https://github.com/cryptomator/cryptomator/discussions/2895\",\"answer\":null,\"comments\":0}]";
-
-				Gson gson = new Gson();
-				Type listType = new TypeToken<List<ErrorDiscussion>>(){}.getType();
-				errorDiscussionList = gson.fromJson(jsonString,listType);
-
-
-
-				loadJsonToErrorDiscussionList();
-
-
-
-
-				LOG.debug("jpkED - errorDiscussionList loaded | amount:"+errorDiscussionList.size()+"");
-
-				//find exact matching
-				List<ErrorDiscussion> newErrorDiscussionList = new ArrayList<>();
-				newErrorDiscussionList.addAll(errorDiscussionList);
-				newErrorDiscussionList.removeIf(errorDiscussion -> !errorDiscussion.getErrorCode().contains(getErrorCode()));
-				if(newErrorDiscussionList.size()>0){
-					errorDiscussionList.clear();
-					errorDiscussionList.addAll(newErrorDiscussionList);
-					LOG.debug("jpkED - exact match | amount:"+errorDiscussionList.size()+"");
-
-					lookUpSolutionVisibility.set(true);
-				}
-				else{
-					//find method code matching
-					newErrorDiscussionList.clear();
-					newErrorDiscussionList.addAll(errorDiscussionList);
-					newErrorDiscussionList.removeIf(errorDiscussion -> !errorDiscussion.getErrorCode().contains(getErrorCodeMethodCode()));
-					if(newErrorDiscussionList.size()>0){
-						errorDiscussionList.clear();
-						errorDiscussionList.addAll(newErrorDiscussionList);
-						LOG.debug("jpkED - method match | amount:"+errorDiscussionList.size()+"");
-					}
-					else{
-						errorDiscussionList.clear();
-						LOG.debug("jpkED - nothing found");
-
-					}
-				}
-
-				if(errorDiscussionList.size()!=0){
-					//answered
-					newErrorDiscussionList.clear();
-					newErrorDiscussionList.addAll(errorDiscussionList);
-					newErrorDiscussionList.removeIf(errorDiscussion -> errorDiscussion.answer == null);
-					if(newErrorDiscussionList.size()>0){
-						errorDiscussionList.clear();
-						errorDiscussionList.addAll(newErrorDiscussionList);
-						LOG.debug("jpkED - answered | amount:"+errorDiscussionList.size()+"");
-					}
-					Collections.sort(errorDiscussionList, this::errorDiscussionComparator);
-					LOG.debug("jpkED - most upvote | id: " + errorDiscussionList.get(0).id + " | title: " + errorDiscussionList.get(0).title + " | upvoteCount:" + errorDiscussionList.get(0).upvoteCount);
-				}
-			}
-		}).join();
-
-
+		httpClient.sendAsync(httpRequest, HttpResponse.BodyHandlers.ofInputStream())
+				.thenAcceptAsync(this::loadHttpResponse, executorService)
+				.whenCompleteAsync((r,e) -> isLoadingHttpResponse.set(false), Platform::runLater);
 	}
 
 	@FXML
@@ -180,8 +96,9 @@ public class ErrorController implements FxController {
 
 	@FXML
 	public void showSolution() {
-		if(errorDiscussionList.size()!=0) {
-			application.getHostServices().showDocument(errorDiscussionList.get(0).url);
+		if(matchingErrorDiscussion != null){
+			//TODO: errorDiscussion.url or errorDiscussion.answer.url
+			application.getHostServices().showDocument(matchingErrorDiscussion.url);
 		}
 	}
 
@@ -215,8 +132,75 @@ public class ErrorController implements FxController {
 		});
 	}
 
-	/* Getter/Setter */
+	private void loadHttpResponse(HttpResponse<InputStream> response){
+		if (response.statusCode() == 200) {
+			Map<String,ErrorDiscussion> map = new Gson().fromJson(
+					new InputStreamReader(response.body(),StandardCharsets.UTF_8),
+					new TypeToken<Map<String,ErrorDiscussion>>(){}.getType());
 
+			if(!map.values().stream().filter(this::isPartialMatchFilter).findFirst().isEmpty()) {
+				lookUpSolutionVisibility.set(true);
+				Comparator<ErrorDiscussion> comp = this::compareExactMatch;
+				matchingErrorDiscussion = map.values().stream().sorted(comp
+						.thenComparing(this::compareSecondLevelMatch)
+						.thenComparing(this::compareThirdLevelMatch)
+						.thenComparing(this::compareIsAnswered)
+						.thenComparing(this::compareUpvoteCount)
+				).findFirst().get();
+			}
+		}
+	}
+
+	private boolean isPartialMatchFilter(ErrorDiscussion errorDiscussion) {
+		return errorDiscussion.title.contains(" " +errorCode.methodCode());
+	}
+
+	public int compareUpvoteCount(ErrorDiscussion ed1, ErrorDiscussion ed2) {
+		return Integer.compare(ed2.upvoteCount, ed1.upvoteCount);
+	}
+
+	public int compareIsAnswered(ErrorDiscussion ed1, ErrorDiscussion ed2) {
+		if (ed1.answer!=null && ed2.answer==null) {
+			return -1;
+		} else if (ed1.answer==null && ed2.answer!=null) {
+			return 1;
+		} else {
+			return 0;
+		}
+	}
+	public int compareExactMatch(ErrorDiscussion ed1, ErrorDiscussion ed2) {
+		if (ed1.title.contains(getErrorCode()) && !ed2.title.contains(getErrorCode())) {
+			return -1;
+		} else if (!ed1.title.contains(getErrorCode()) && ed2.title.contains(getErrorCode())) {
+			return 1;
+		} else {
+			return 0;
+		}
+	}
+
+	public int compareSecondLevelMatch(ErrorDiscussion ed1, ErrorDiscussion ed2) {
+		String value = " " + errorCode.methodCode() + ErrorCode.DELIM + errorCode.rootCauseCode();
+		if (ed1.title.contains(value) && !ed2.title.contains(value)) {
+			return -1;
+		} else if (!ed1.title.contains(value) && ed2.title.contains(value)) {
+			return 1;
+		} else {
+			return 0;
+		}
+	}
+
+	public int compareThirdLevelMatch(ErrorDiscussion ed1, ErrorDiscussion ed2) {
+		String value = " " + errorCode.methodCode();
+		if (ed1.title.contains(value) && !ed2.title.contains(value)) {
+			return -1;
+		} else if (!ed1.title.contains(value) && ed2.title.contains(value)) {
+			return 1;
+		} else {
+			return 0;
+		}
+	}
+
+	/* Getter/Setter */
 	public boolean isPreviousScenePresent() {
 		return previousScene != null;
 	}
@@ -226,11 +210,7 @@ public class ErrorController implements FxController {
 	}
 
 	public String getErrorCode() {
-		//return "GH1B:GH1B:NJFJ";  // 31 exact match - 4 answered
-		//return "GIJU:E215:E215";   // 1 exact match - 0 answered
-		//return "6PHE:UG0C:UG0C";   // 0 exact match - 8 method match - 3 answered
-		//return "0000:0000:0000";   // 0 match
-		return errorCode.toString(); // 0 exact match - 8 method match - 3 answered
+		return errorCode.toString();
 	}
 
 	public String getDetailText() {
@@ -253,56 +233,12 @@ public class ErrorController implements FxController {
 		return lookUpSolutionVisibility.get();
 	}
 
-	public String getDetailTexts() {
-		return "```\nError Code " + getErrorCode() + "\n" + getStackTrace() + "\n```";
+	public BooleanProperty isLoadingHttpResponseProperty() {
+		return isLoadingHttpResponse;
 	}
 
-	private void filterListByMethodCode(){
-		List<ErrorDiscussion> newErrorDiscussionList = new ArrayList<>();
-		for (int i = 0; i < errorDiscussionList.size(); i++) {
-			ErrorDiscussion errorDiscussion = errorDiscussionList.get(i);
-			if(errorDiscussion.getMethodCode().equals(getErrorCodeMethodCode())){
-				newErrorDiscussionList.add(errorDiscussion);
-			}
-		}
-		if(newErrorDiscussionList.size()!=0){
-			errorDiscussionList = newErrorDiscussionList;
-			lookUpSolutionVisibility.set(true);
-			LOG.debug("jpkED - found matching method code | amount:"+errorDiscussionList.size()+"");
-		}
-		else{
-			errorDiscussionList = newErrorDiscussionList; // to clear results
-			LOG.debug("jpkED - no matching method code found");
-		}
+	public boolean getIsLoadingHttpResponse() {
+		return isLoadingHttpResponse.get();
 	}
 
-	private int errorDiscussionComparator(ErrorDiscussion t, ErrorDiscussion t1) {
-		return Integer.compare(t1.upvoteCount, t.upvoteCount);
-	}
-
-	private String getErrorCodeMethodCode(){
-		return getErrorCode().substring(0,4);
-	}
-
-	private void loadJsonToErrorDiscussionList(){
-		String errorCodesUrl = "https://gist.githubusercontent.com/cryptobot/accba9fb9555e7192271b85606f97230/raw/errorcodes.json";
-		try (InputStream is = new URL(errorCodesUrl).openStream()) { //TODO: HttpClient(){  async request
-
-			JsonObject jsonObject = (JsonObject)new JsonParser().parse(new InputStreamReader(is,"UTF-8"));
-
-			LOG.debug("jpkED - jsonObject | "+jsonObject.toString());
-
-			Set<String> keys = jsonObject.keySet();
-			errorDiscussionList = new ArrayList<>();
-			for (int i = 0; i < jsonObject.size(); i++) {
-				errorDiscussionList.add(new Gson().fromJson(jsonObject.get(keys.stream().toList().get(i)),ErrorDiscussion.class));
-			}
-			LOG.debug("jpkED - errorDiscussionList loaded | amount:"+errorDiscussionList.size()+"");
-		} catch (MalformedURLException e) {
-			throw new RuntimeException(e);
-		} catch (IOException e) {
-			throw new RuntimeException(e);
-		}
-
-	}
 }

src/main/java/org/cryptomator/ui/error/ErrorDiscussion.java

@@ -2,27 +2,11 @@ package org.cryptomator.ui.error;
 
 public class ErrorDiscussion {
 
-	String id;
 	int upvoteCount;
 	String title;
 	String url;
-	int comments;
 	Answer answer;
 
-	String getUpvoteCount(){return  upvoteCount+"";}
-
-	String getErrorCode(){return title.substring(6);}
-	String getMethodCode(){
-		return title.substring(6,10);
-	}
-	String getRootCauseCode(){
-		return title.substring(11,15);
-	}
-
-	String getThrowableCode(){
-		return title.substring(16,20);
-	}
-
 	class Answer{
 		private String url;
 		private int upvoteCount;

src/main/resources/fxml/error.fxml

@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
 <?import org.cryptomator.ui.controls.FontAwesome5IconView?>
+<?import org.cryptomator.ui.controls.FontAwesome5Spinner?>
 <?import org.cryptomator.ui.controls.FormattedLabel?>
 <?import javafx.geometry.Insets?>
 <?import javafx.scene.control.Button?>
@@ -31,26 +32,28 @@
 			</StackPane>
 			<VBox spacing="6" HBox.hgrow="ALWAYS">
 				<FormattedLabel styleClass="label-extra-large" format="%error.message" arg1="${controller.errorCode}"/>
-				<Label text="%error.existingSolutionDescription" wrapText="true" visible="${controller.lookUpSolutionVisibility}" managed="${controller.lookUpSolutionVisibility}"/>
-				<Label text="%error.description" wrapText="true" visible="${!controller.lookUpSolutionVisibility}" managed="${!controller.lookUpSolutionVisibility}"/>
-				<Hyperlink styleClass="hyperlink-underline" text="%error.hyperlink.solution" onAction="#showSolution" contentDisplay="LEFT" visible="${controller.lookUpSolutionVisibility}" managed="${controller.lookUpSolutionVisibility}">
-					<graphic>
-						<FontAwesome5IconView glyph="LINK" glyphSize="12"/>
-					</graphic>
-				</Hyperlink>
-				<Hyperlink styleClass="hyperlink-underline" text="%error.hyperlink.lookup" onAction="#searchError" contentDisplay="LEFT" visible="${!controller.lookUpSolutionVisibility}" managed="${!controller.lookUpSolutionVisibility}">
-					<graphic>
-						<FontAwesome5IconView glyph="LINK" glyphSize="12"/>
-					</graphic>
-				</Hyperlink>
-				<Hyperlink styleClass="hyperlink-underline" text="%error.hyperlink.report" onAction="#reportError" contentDisplay="LEFT" visible="${!controller.lookUpSolutionVisibility}" managed="${!controller.lookUpSolutionVisibility}">
-					<graphic>
-						<FontAwesome5IconView glyph="LINK" glyphSize="12"/>
-					</graphic>
-				</Hyperlink>
+				<FontAwesome5Spinner glyphSize="24" visible="${controller.isLoadingHttpResponse}" managed="${controller.isLoadingHttpResponse}"/>
+				<VBox visible="${!controller.isLoadingHttpResponse}" managed="${!controller.isLoadingHttpResponse}">
+					<Label text="%error.existingSolutionDescription" wrapText="true" visible="${controller.lookUpSolutionVisibility}" managed="${controller.lookUpSolutionVisibility}"/>
+					<Hyperlink styleClass="hyperlink-underline" text="%error.hyperlink.solution" onAction="#showSolution" contentDisplay="LEFT" visible="${controller.lookUpSolutionVisibility}" managed="${controller.lookUpSolutionVisibility}">
+						<graphic>
+							<FontAwesome5IconView glyph="LINK" glyphSize="12"/>
+						</graphic>
+					</Hyperlink>
+					<Label text="%error.description" wrapText="true" visible="${!controller.lookUpSolutionVisibility}" managed="${!controller.lookUpSolutionVisibility}"/>
+					<Hyperlink styleClass="hyperlink-underline" text="%error.hyperlink.lookup" onAction="#searchError" contentDisplay="LEFT" visible="${!controller.lookUpSolutionVisibility}" managed="${!controller.lookUpSolutionVisibility}">
+						<graphic>
+							<FontAwesome5IconView glyph="LINK" glyphSize="12"/>
+						</graphic>
+					</Hyperlink>
+					<Hyperlink styleClass="hyperlink-underline" text="%error.hyperlink.report" onAction="#reportError" contentDisplay="LEFT" visible="${!controller.lookUpSolutionVisibility}" managed="${!controller.lookUpSolutionVisibility}">
+						<graphic>
+							<FontAwesome5IconView glyph="LINK" glyphSize="12"/>
+						</graphic>
+					</Hyperlink>
+				</VBox>
 			</VBox>
 		</HBox>
-
 		<VBox spacing="6" VBox.vgrow="ALWAYS">
 			<HBox>
 				<Label text="%error.technicalDetails"/>
@@ -66,7 +69,7 @@
 					</graphic>
 				</Hyperlink>
 			</HBox>
-			<TextArea VBox.vgrow="ALWAYS" text="${controller.detailTexts}" prefRowCount="5" editable="false"/>
+			<TextArea VBox.vgrow="ALWAYS" text="${controller.detailText}" prefRowCount="5" editable="false"/>
 		</VBox>
 
 		<ButtonBar buttonMinWidth="120" buttonOrder="B+C">