Fixes ClassPathURLLoader cannot find files under GraalVM Native Image

apache · Feb 16, 2024 · 57bb9c0 · 57bb9c0
1 parent 0f4f997
commit 57bb9c0
Showing 1 changed file with 15 additions and 4 deletions.
diff --git a/...n/java/org/apache/shardingsphere/driver/jdbc/core/driver/url/type/ClassPathURLLoader.java b/...n/java/org/apache/shardingsphere/driver/jdbc/core/driver/url/type/ClassPathURLLoader.java
@@ -20,10 +20,15 @@
 import lombok.SneakyThrows;
 import org.apache.shardingsphere.driver.jdbc.core.driver.url.ShardingSphereURLLoader;
 
-import java.io.File;
 import java.io.IOException;
+import java.net.URI;
 import java.net.URISyntaxException;
+import java.nio.file.FileSystem;
+import java.nio.file.FileSystems;
 import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.Collections;
 import java.util.Map;
 import java.util.Objects;
 import java.util.stream.Collectors;
@@ -36,12 +41,18 @@ public final class ClassPathURLLoader implements ShardingSphereURLLoader {
     @Override
     @SneakyThrows(IOException.class)
     public String load(final String configurationSubject, final Map<String, String> parameters) {
-        return Files.readAllLines(getResourceFile(configurationSubject).toPath()).stream().collect(Collectors.joining(System.lineSeparator()));
+        if (null == System.getProperty("org.graalvm.nativeimage.imagecode") || !"runtime".equals(System.getProperty("org.graalvm.nativeimage.imagecode"))) {
+            return Files.readAllLines(getResourcePath(configurationSubject)).stream().collect(Collectors.joining(System.lineSeparator()));
+        } else {
+            try (FileSystem ignored = FileSystems.newFileSystem(URI.create("resource:/"), Collections.emptyMap())) {
+                return Files.readAllLines(getResourcePath(configurationSubject)).stream().collect(Collectors.joining(System.lineSeparator()));
+            }
+        }
     }
 
     @SneakyThrows(URISyntaxException.class)
-    private File getResourceFile(final String configurationSubject) {
-        return new File(Objects.requireNonNull(Thread.currentThread().getContextClassLoader().getResource(configurationSubject)).toURI().getPath());
+    private Path getResourcePath(final String configurationSubject) {
+        return Paths.get(Objects.requireNonNull(Thread.currentThread().getContextClassLoader().getResource(configurationSubject)).toURI());
     }
 
     @Override