build: make sure we build for JDK 8 (for now)

Author: quintesse

pom.xml

@@ -29,8 +29,8 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <maven.compiler.source>17</maven.compiler.source>
-        <maven.compiler.target>17</maven.compiler.target>
+        <maven.compiler.source>8</maven.compiler.source>
+        <maven.compiler.target>8</maven.compiler.target>
         <mainClass>org.codejive.jpm.Main</mainClass>
         <version.mima>2.4.15</version.mima>
         <version.picocli>4.7.6</version.picocli>

src/main/java/org/codejive/jpm/util/ResolverUtils.java

@@ -33,7 +33,9 @@ public static List<Path> resolveArtifactPaths(String[] artifactNames)
             throws DependencyResolutionException {
         List<Artifact> artifacts = parseArtifacts(artifactNames);
         List<ArtifactResult> resolvedArtifacts = resolveArtifacts(artifacts);
-        return resolvedArtifacts.stream().map(ar -> ar.getArtifact().getFile().toPath()).toList();
+        return resolvedArtifacts.stream()
+                .map(ar -> ar.getArtifact().getFile().toPath())
+                .collect(Collectors.toList());
     }
 
     /**
@@ -57,7 +59,9 @@ public static List<Artifact> parseArtifacts(String[] artifactNames) {
     public static List<ArtifactResult> resolveArtifacts(List<Artifact> artifacts)
             throws DependencyResolutionException {
         List<Dependency> dependencies =
-                artifacts.stream().map(a -> new Dependency(a, JavaScopes.RUNTIME)).toList();
+                artifacts.stream()
+                        .map(a -> new Dependency(a, JavaScopes.RUNTIME))
+                        .collect(Collectors.toList());
         ContextOverrides overrides = ContextOverrides.create().build();
         Runtime runtime = Runtimes.INSTANCE.getRuntime();
         try (Context context = runtime.create(overrides)) {

src/main/java/org/codejive/jpm/util/SearchUtils.java

@@ -7,6 +7,7 @@
 import java.io.InputStreamReader;
 import java.net.URLEncoder;
 import java.util.List;
+import java.util.stream.Collectors;
 import org.apache.http.client.methods.CloseableHttpResponse;
 import org.apache.http.client.methods.HttpGet;
 import org.apache.http.impl.client.CloseableHttpClient;
@@ -55,18 +56,19 @@ private static SearchResult select(String query, int start, int count) throws IO
         String finalQuery;
         if (parts.length >= 3) {
             // Exact group/artifact match for retrieving versions
-            finalQuery = "g:%s AND a:%s".formatted(parts[0], parts[1]);
+            finalQuery = String.format("g:%s AND a:%s", parts[0], parts[1]);
         } else if (parts.length == 2) {
             // Partial group/artifact match, we will filter the results
             // to remove those that match an inverted artifact/group
-            finalQuery = "%s AND %s".formatted(parts[0], parts[1]);
+            finalQuery = String.format("%s AND %s", parts[0], parts[1]);
         } else {
             // Simple partial match
             finalQuery = query;
         }
         String searchUrl =
-                "https://search.maven.org/solrsearch/select?start=%d&rows=%d&q=%s"
-                        .formatted(start, count, URLEncoder.encode(finalQuery, "UTF-8"));
+                String.format(
+                        "https://search.maven.org/solrsearch/select?start=%d&rows=%d&q=%s",
+                        start, count, URLEncoder.encode(finalQuery, "UTF-8"));
         if (parts.length >= 3) {
             searchUrl += "&core=gav";
         }
@@ -100,7 +102,7 @@ private static SearchResult select(String query, int start, int count) throws IO
                                                         d.a,
                                                         "",
                                                         d.v != null ? d.v : d.latestVersion))
-                                .toList();
+                                .collect(Collectors.toList());
                 return new SearchResult(artifacts, query, start, count, result.response.numFound);
             }
         }