[Releng] Create an indexer to generate Temurim URLs

The generated results can be pasted into the Jenkins pipeline that is
for generating JREs.

1 files changed, 152 insertions, 0 deletions

diff --git a/plugins/org.eclipse.justj.codegen/src/org/eclipse/justj/codegen/model/util/TemurinIndexer.java b/plugins/org.eclipse.justj.codegen/src/org/eclipse/justj/codegen/model/util/TemurinIndexer.java
new file mode 100644
index 0000000..fb16036
--- /dev/null
+++ b/plugins/org.eclipse.justj.codegen/src/org/eclipse/justj/codegen/model/util/TemurinIndexer.java
@@ -0,0 +1,152 @@
+/**
+ * Copyright (c) 2021 Eclipse contributors and others.
+ *
+ * This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License 2.0
+ * which accompanies this distribution, and is available at
+ * https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ */
+package org.eclipse.justj.codegen.model.util;
+
+
+import java.io.BufferedReader;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.net.URL;
+import java.util.ArrayList;
+import java.util.Comparator;
+import java.util.List;
+import java.util.Map;
+import java.util.TreeMap;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import java.util.stream.Collectors;
+
+import org.osgi.framework.Version;
+
+
+public class TemurinIndexer
+{
+
+  static final Pattern TAG_NAME = Pattern.compile("\"name\"\\s*:\\s*\"(jdk-([0-9.]+)\\+([0-9]+))\"");
+
+  static final Pattern JDK_URL1 = Pattern.compile(
+    "href=\"/adoptium/temurin([0-9]+)-binaries/releases/download/jdk-([0-9]+)%2B35/OpenJDK([0-9]+)-jdk_([^_]+)_([^_]+)_hotspot_([0-9.]+)\\.(tar.gz|zip)\"");
+
+  static final Pattern JDK_URL = Pattern.compile(//
+    "href=\"/(adoptium/temurin[0-9]+-binaries/releases/download/jdk-[^/]+/OpenJDK[^-]+-jdk_[^\"]*\\.(zip|tar.gz))\"");
+
+  public static void main(String[] args) throws Exception
+  {
+    System.out.println("// Generated by /org.eclipse.justj.codegen/src/org/eclipse/justj/codegen/model/util/TemurinIndexer.java");
+
+    for (String repo : new String []{ "11", "17" })
+    {
+      URL url = new URL("https://api.github.com/repos/adoptium/temurin" + repo + "-binaries/tags");
+      try (InputStream input = url.openStream())
+      {
+        List<String> lines = new BufferedReader(new InputStreamReader(input)).lines().collect(Collectors.toList());
+        Map<Version, String> versionTags = new TreeMap<>(Comparator.reverseOrder());
+        for (String line : lines)
+        {
+          for (Matcher matcher = TAG_NAME.matcher(line); matcher.find();)
+          {
+            versionTags.put(Version.parseVersion(Version.parseVersion(matcher.group(2)).toString() + "." + matcher.group(3)), matcher.group(1));
+          }
+        }
+
+        System.out.println();
+        System.out.println("// Tags " + versionTags.values().stream().collect(Collectors.joining(", ")));
+
+        String latest = versionTags.entrySet().iterator().next().getValue();
+        URL downloadsURL = new URL("https://github.com/adoptium/temurin" + repo + "-binaries/releases/tag/" + latest);
+        List<String> jdkDownloadURLs = new ArrayList<>();
+        try (InputStream download = downloadsURL.openStream())
+        {
+          List<String> downloads = new BufferedReader(new InputStreamReader(download)).lines().collect(Collectors.toList());
+          for (String downloadLine : downloads)
+          {
+            for (Matcher matcher = JDK_URL.matcher(downloadLine); matcher.find();)
+            {
+              jdkDownloadURLs.add("https://github.com/" + matcher.group(1).replace("%2B", "+"));
+            }
+          }
+        }
+
+        System.out.println("def java" + repo + "Adoptium = [");
+        System.out.println("  label: 'Java " + repo + " (Adoptium)',");
+        System.out.println("  BUILD_DESCRIPTION: 'Build Adoptium Java " + repo + "',");
+        System.out.println("  PUBLISH_LOCATION_PREFIX: \"${defaultPrefix}\",");
+        System.out.println("  JUSTJ_MANIFEST_URL: \"${justjURL}/${defaultPrefix}/" + repo + "/downloads/latest/justj.manifest\",");
+        System.out.println("  JDK_URLS_WINDOWS: '''");
+        {
+          String jdkURL = getURL(jdkDownloadURLs, "x64_windows");
+          if (jdkURL != null)
+          {
+            System.out.println("    " + jdkURL);
+          }
+        }
+        System.out.println("    ''',");
+
+        System.out.println("  JDK_URLS_MACOS: '''");
+        {
+          String jdkURL = getURL(jdkDownloadURLs, "x64_mac");
+          if (jdkURL != null)
+          {
+            System.out.println("    " + jdkURL);
+          }
+        }
+        System.out.println("    ''',");
+
+        System.out.println("  JDK_URLS_MACOS_AARCH64: '''");
+        {
+          String jdkURL = getURL(jdkDownloadURLs, "aarch64_mac");
+          if (jdkURL != null)
+          {
+            System.out.println("    " + jdkURL);
+          }
+        }
+        System.out.println("    ''',");
+
+        System.out.println("  JDK_URLS_LINUX: '''");
+        {
+          String jdkURL = getURL(jdkDownloadURLs, "x64_linux");
+          if (jdkURL != null)
+          {
+            System.out.println("    " + jdkURL);
+          }
+        }
+        System.out.println("    ''',");
+
+        System.out.println("  JDK_URLS_LINUX_AARCH64: '''");
+        {
+          String jdkURL = getURL(jdkDownloadURLs, "aarch64_linux");
+          if (jdkURL != null)
+          {
+            System.out.println("    " + jdkURL);
+          }
+        }
+        System.out.println("    ''',");
+
+        System.out.println("  BUILD_TYPE: 'nightly',");
+        System.out.println("  PROMOTE: 'true'");
+        System.out.println("]");
+      }
+    }
+  }
+
+  private static String getURL(List<String> downloadURLs, String type)
+  {
+    for (String downloadURL : downloadURLs)
+    {
+      if (downloadURL.contains(type))
+      {
+        return downloadURL;
+      }
+    }
+
+    return null;
+  }
+}