Release test: check the staged artifacts are valid

tests/release-test/README.MD

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+[//]: # " Copyright (c) 2022 Oracle and/or its affiliates. All rights reserved. "
+[//]: # "  "
+[//]: # " This program and the accompanying materials are made available under the "
+[//]: # " terms of the Eclipse Public License v. 2.0, which is available at "
+[//]: # " http://www.eclipse.org/legal/epl-2.0. "
+[//]: # "  "
+[//]: # " This Source Code may also be made available under the following Secondary "
+[//]: # " Licenses when the conditions for such availability set forth in the "
+[//]: # " Eclipse Public License v. 2.0 are satisfied: GNU General Public License, "
+[//]: # " version 2 with the GNU Classpath Exception, which is available at "
+[//]: # " https://www.gnu.org/software/classpath/license.html. "
+[//]: # "  "
+[//]: # " SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 "
+
+This module is to check the built artifacts before release.
+
+The module can check Jersey 2.x, 3.0.x, and 3.1.x versions.
+
+Usage:
+ * mvn test -Djersey.version=<version> [-Pstaging]

tests/release-test/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+
+    Copyright (c) 2022 Oracle and/or its affiliates. All rights reserved.
+
+    This program and the accompanying materials are made available under the
+    terms of the Eclipse Public License v. 2.0, which is available at
+    http://www.eclipse.org/legal/epl-2.0.
+
+    This Source Code may also be made available under the following Secondary
+    Licenses when the conditions for such availability set forth in the
+    Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
+    version 2 with the GNU Classpath Exception, which is available at
+    https://www.gnu.org/software/classpath/license.html.
+
+    SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
+
+-->
+
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <groupId>org.eclipse.ee4j</groupId>
+        <artifactId>project</artifactId>
+        <version>1.0.7</version>
+        <relativePath>../../../pom.xml</relativePath>
+    </parent>
+
+    <groupId>org.glassfish.jersey.tests</groupId>
+    <artifactId>release-test</artifactId>
+    <version>2.37-SNAPSHOT</version>
+    <packaging>jar</packaging>
+    <name>jersey-release-test</name>
+
+    <description>Jersey post-release validation tests</description>
+
+    <properties>
+        <jersey.version>${jersey.version}</jersey.version> <!-- Must pass using -Djersey.version= -->
+        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
+        <maven.version>3.8.6</maven.version>
+        <maven.resolver.version>1.7.3</maven.resolver.version> <!-- 1.8.2 does not work-->
+    </properties>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-surefire-plugin</artifactId>
+                <version>3.0.0-M7</version>
+                <configuration>
+                    <forkCount>1</forkCount>
+                    <reuseForks>false</reuseForks>
+                    <enableAssertions>false</enableAssertions>
+                    <includes>
+                        <include>**/DownloadBomPomDependencies.java</include>
+                        <include>**/*Test.class</include>
+                    </includes>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+    <dependencyManagement>
+        <dependencies>
+            <dependency>
+                <groupId>org.glassfish.jersey</groupId>
+                <artifactId>jersey-bom</artifactId>
+                <version>${jersey.version}</version>
+                <scope>import</scope>
+                <type>pom</type>
+            </dependency>
+        </dependencies>
+    </dependencyManagement>
+
+    <dependencies>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.13.2</version>
+            <scope>test</scope>
+            <!-- maven-plugin-testing-harness does not work with junit 5 -->
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.maven</groupId>
+            <artifactId>maven-core</artifactId>
+            <version>${maven.version}</version>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.maven</groupId>
+            <artifactId>maven-model</artifactId>
+            <version>${maven.version}</version>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.maven</groupId>
+            <artifactId>maven-compat</artifactId>
+            <version>${maven.version}</version>
+            <scope>provided</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.maven.plugin-testing</groupId>
+            <artifactId>maven-plugin-testing-harness</artifactId>
+            <version>3.3.0</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.maven.resolver</groupId>
+            <artifactId>maven-resolver-connector-basic</artifactId>
+            <version>${maven.resolver.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.maven.resolver</groupId>
+            <artifactId>maven-resolver-transport-http</artifactId>
+            <version>${maven.resolver.version}</version>
+        </dependency>
+    </dependencies>
+</project>

tests/release-test/src/main/java/org/glassfish/jersey/test/artifacts/ClassVersionChecker.java

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+/*
+ * Copyright (c) 2022 Oracle and/or its affiliates. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v. 2.0 which is available at
+ * http://www.eclipse.org/legal/epl-2.0,
+ * or the Eclipse Distribution License v. 1.0 which is available at
+ * http://www.eclipse.org/org/documents/edl-v10.php.
+ *
+ * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
+ */
+
+package org.glassfish.jersey.test.artifacts;
+
+import java.io.DataInputStream;
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Properties;
+import java.util.jar.JarEntry;
+import java.util.jar.JarFile;
+
+class ClassVersionChecker {
+    static TestResult checkClassVersion(JarFile jar, JarEntry entry, Properties properties) throws IOException {
+        final String jerseyVersion = MavenUtil.getJerseyVersion(properties);
+        final int minVersion = jerseyVersion.startsWith("3.1") ? 11 : 8;
+        return checkClassVersion(jar.getInputStream(entry), jar.getName() + File.separator + entry.getName(), minVersion);
+    }
+
+    private static TestResult checkClassVersion(InputStream inputStream, String filename, int version) throws IOException {
+        TestResult result = new TestResult();
+        DataInputStream in = new DataInputStream(inputStream);
+
+        int magic = in.readInt();
+        if (magic != -889275714) {
+            result.exception().append(filename).println(" is not a valid class!");
+        }
+
+        int minor = in.readUnsignedShort();
+        int major = in.readUnsignedShort();
+        int classVersion = convertMajorMinorToSE(major, minor);
+        TestResult.MessageBuilder builder =  classVersion <= version ? result.ok() : result.exception();
+        builder.append(filename).append(": ").append(major).append(".").append(minor).append(" = JDK ")
+                .println(String.valueOf(classVersion));
+        in.close();
+        return result;
+    }
+
+    private static int convertMajorMinorToSE(int major, int minor) {
+        int comp = (major - 44 + minor);
+        return comp;
+    }
+}

tests/release-test/src/main/java/org/glassfish/jersey/test/artifacts/DependencyPair.java

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+/*
+ * Copyright (c) 2022 Oracle and/or its affiliates. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v. 2.0 which is available at
+ * http://www.eclipse.org/legal/epl-2.0,
+ * or the Eclipse Distribution License v. 1.0 which is available at
+ * http://www.eclipse.org/org/documents/edl-v10.php.
+ *
+ * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
+ */
+
+package org.glassfish.jersey.test.artifacts;
+
+import java.util.Arrays;
+
+class DependencyPair {
+    private final String groupId;
+    private final String artifactId;
+
+    DependencyPair(String groupId, String artifactId) {
+        this.groupId = groupId;
+        this.artifactId = artifactId;
+    }
+
+    String artifactId() {
+        return artifactId;
+    }
+
+    String groupId() {
+        return groupId;
+    }
+
+    static DependencyPair[] concat(DependencyPair[] first, DependencyPair[] second) {
+        DependencyPair[] result = Arrays.copyOf(first, first.length + second.length);
+        System.arraycopy(second, 0, result, first.length, second.length);
+        return result;
+    }
+
+    @Override
+    public String toString() {
+        return groupId + ':' + artifactId;
+    }
+}

tests/release-test/src/main/java/org/glassfish/jersey/test/artifacts/DependencyResolver.java

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+/*
+ * Copyright (c) 2022 Oracle and/or its affiliates. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v. 2.0 which is available at
+ * http://www.eclipse.org/legal/epl-2.0,
+ * or the Eclipse Distribution License v. 1.0 which is available at
+ * http://www.eclipse.org/org/documents/edl-v10.php.
+ *
+ * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
+ */
+
+package org.glassfish.jersey.test.artifacts;
+
+import org.eclipse.aether.RepositorySystem;
+import org.eclipse.aether.RepositorySystemSession;
+import org.eclipse.aether.artifact.Artifact;
+import org.eclipse.aether.artifact.DefaultArtifact;
+import org.eclipse.aether.repository.RemoteRepository;
+import org.eclipse.aether.resolution.ArtifactRequest;
+import org.eclipse.aether.resolution.ArtifactResolutionException;
+
+import java.util.List;
+
+/**
+ *
+ * @author lukas
+ */
+final class DependencyResolver {
+    static Artifact resolveArtifact(org.apache.maven.model.Dependency d, List<RemoteRepository> remoteRepos,
+                                           RepositorySystem repoSystem, RepositorySystemSession repoSession)
+            throws ArtifactResolutionException {
+        DefaultArtifact artifact = new DefaultArtifact(
+                d.getGroupId(), d.getArtifactId(), d.getClassifier(), d.getType(), d.getVersion()
+        );
+        ArtifactRequest request = new ArtifactRequest();
+        request.setArtifact(artifact);
+        request.setRepositories(remoteRepos);
+        return repoSystem.resolveArtifact(repoSession, request).getArtifact();
+    }
+}