Хелпер для загрузки BSL LS

build.gradle.kts

@@ -2,6 +2,7 @@ import me.qoomon.gradle.gitversioning.GitVersioningPluginConfig
 import me.qoomon.gradle.gitversioning.GitVersioningPluginConfig.CommitVersionDescription
 import me.qoomon.gradle.gitversioning.GitVersioningPluginConfig.VersionDescription
 import java.util.Calendar
+import java.net.URI
 
 plugins {
     java
@@ -18,6 +19,7 @@ group = "com.github.1c-syntax"
 
 repositories {
     mavenCentral()
+    maven { url = URI("https://jitpack.io") }
 }
 
 val junitVersion = "5.6.0"
@@ -26,6 +28,13 @@ dependencies {
 
     compileOnly("org.projectlombok", "lombok", lombok.version)
 
+    implementation("com.github.hub4j:github-api:github-api-1.114")
+    implementation("org.slf4j", "slf4j-api", "1.8.0-beta4")
+    implementation("org.slf4j", "slf4j-simple", "1.8.0-beta4")
+
+    // https://mvnrepository.com/artifact/commons-io/commons-io
+    implementation("commons-io", "commons-io", "2.7")
+
     testImplementation("org.junit.jupiter", "junit-jupiter-api", junitVersion)
     testRuntimeOnly("org.junit.jupiter", "junit-jupiter-engine", junitVersion)
 

src/main/java/com/github/_1c_syntax/utils/DownloadHelper.java

@@ -0,0 +1,107 @@
+/*
+ * This file is a part of 1c-syntax utils.
+ *
+ * Copyright © 2018-2020
+ * Alexey Sosnoviy <[email protected]>, Nikita Gryzlov <[email protected]> and contributors
+ *
+ * SPDX-License-Identifier: LGPL-3.0-or-later
+ *
+ * 1c-syntax utils is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3.0 of the License, or (at your option) any later version.
+ *
+ * 1c-syntax utils is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with 1c-syntax utils.
+ */
+package com.github._1c_syntax.utils;
+
+import lombok.experimental.UtilityClass;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.io.FileUtils;
+import org.kohsuke.github.GHAsset;
+import org.kohsuke.github.GHRelease;
+import org.kohsuke.github.GHRepository;
+import org.kohsuke.github.GitHub;
+
+import java.io.IOException;
+import java.net.URL;
+import java.nio.file.Path;
+import java.util.Optional;
+
+@UtilityClass
+@Slf4j
+public class DownloadHelper {
+
+  private final String REPO_PATH = "1c-syntax/bsl-language-server";
+  private final String CONTENT_TYPE = "application/zip";
+  private final int CONNECTION_TIMEOUT = 900;
+
+  public final String SUPPLY_FOR_WIN = "win";
+  public final String SUPPLY_FOR_MAC = "mac";
+  public final String SUPPLY_FOR_LINUX = "nix";
+
+  public Optional<GHAsset> getLatestRelease(String token, String supplyVariant, Path pathForSave) {
+    return getLatestRelease(token, supplyVariant, pathForSave, false);
+  }
+
+  public Optional<GHAsset> getLatestRelease(String token, String supplyVariant, Path pathForSave, boolean prerelease) {
+    Optional<GHAsset> ghAsset;
+    try {
+      GitHub github = GitHub.connectUsingOAuth(token);
+      ghAsset = Optional.ofNullable(github.getRepository(REPO_PATH))
+        .flatMap(repo -> {
+          try {
+            return getAssetsFromRelease(repo, supplyVariant, prerelease);
+          } catch (IOException e) {
+            LOGGER.error("Error finding asset from release", e);
+            return Optional.empty();
+          }
+        });
+
+    } catch (IOException e) {
+      LOGGER.error("Error finding asset from release", e);
+      ghAsset = Optional.empty();
+    }
+    if (ghAsset.isPresent() && !downloadFromAsset(ghAsset.get(), pathForSave)) {
+      return Optional.empty();
+    }
+    return ghAsset;
+  }
+
+  private boolean downloadFromAsset(GHAsset ghAsset, Path path) {
+    try {
+      var file = Path.of(path.toString(), ghAsset.getName()).toFile();
+      FileUtils.copyURLToFile(new URL(ghAsset.getBrowserDownloadUrl()), file, CONNECTION_TIMEOUT, 0);
+    } catch (IOException e) {
+      LOGGER.error("An error occurred while loading", e);
+      return false;
+    }
+    return true;
+  }
+
+  private Optional<GHAsset> getAssetsFromRelease(GHRepository repo, String supplyVariant, boolean prerelease) throws IOException {
+    var endsName = supplyVariant + ".zip";
+    var release = getLatestRelease(repo, prerelease);
+    if (release.isPresent()) {
+      return release.get().getAssets().stream()
+        .filter(ghAsset -> ghAsset.getContentType().equals(CONTENT_TYPE)
+          && ghAsset.getName().endsWith(endsName))
+        .findAny();
+    }
+    return Optional.empty();
+  }
+
+  private Optional<GHRelease> getLatestRelease(GHRepository repo, boolean prerelease) throws IOException {
+    return repo.listReleases().toList().stream()
+      .filter(ghRelease -> ghRelease.isPrerelease() == prerelease)
+      .limit(1)
+      .findAny();
+  }
+
+}

src/test/java/com/github/_1c_syntax/utils/DownloadHelperTest.java

@@ -0,0 +1,62 @@
+/*
+ * This file is a part of 1c-syntax utils.
+ *
+ * Copyright © 2018-2020
+ * Alexey Sosnoviy <[email protected]>, Nikita Gryzlov <[email protected]> and contributors
+ *
+ * SPDX-License-Identifier: LGPL-3.0-or-later
+ *
+ * 1c-syntax utils is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3.0 of the License, or (at your option) any later version.
+ *
+ * 1c-syntax utils is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with 1c-syntax utils.
+ */
+package com.github._1c_syntax.utils;
+
+import org.junit.jupiter.api.Test;
+import org.kohsuke.github.GHAsset;
+
+import java.nio.file.Path;
+import java.util.Optional;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+public class DownloadHelperTest {
+
+  private final Path BASE_PATH = Path.of("build", "fixture");
+
+  @Test
+  public void test_getLatestRelease() {
+    prepareFolder(BASE_PATH);
+    var token = System.getenv("GITHUB_TOKEN");
+
+    var ghAsset = DownloadHelper.getLatestRelease(token, DownloadHelper.SUPPLY_FOR_WIN, BASE_PATH);
+    checkGHAsset(ghAsset);
+
+    ghAsset = DownloadHelper.getLatestRelease(token, DownloadHelper.SUPPLY_FOR_LINUX, BASE_PATH);
+    checkGHAsset(ghAsset);
+
+    ghAsset = DownloadHelper.getLatestRelease(token, DownloadHelper.SUPPLY_FOR_MAC, BASE_PATH, true);
+    checkGHAsset(ghAsset);
+  }
+
+  void checkGHAsset(Optional<GHAsset> ghAsset) {
+    assertThat(ghAsset).isPresent();
+    var file = Path.of(BASE_PATH.toString(), ghAsset.get().getName()).toFile();
+    assertThat(file).exists();
+  }
+
+
+  private void prepareFolder(Path path) {
+    path.toFile().mkdir();
+  }
+
+}