mbien commented on code in PR #3860:
URL: https://github.com/apache/netbeans/pull/3860#discussion_r935489966
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platform/o.n.bootstrap/src/org/netbeans/JarClassLoader.java:
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@@ -574,13 +609,81 @@ protected URL doGetResource(String name) throws
IOException {
@Override
protected byte[] readClass(String path) throws IOException {
try {
+ if (isMultiRelease() && RUNTIME_VERSION > BASE_VERSION) {
+ int[] vers = getVersions();
+ if (vers.length > 0) {
+ for (int i = vers.length - 1; i >= 0; i--) {
+ int version = vers[i];
+ if (version > RUNTIME_VERSION) {
+ continue;
+ }
+ if (version < BASE_VERSION) {
+ break;
+ }
+ byte[] data = archive.getData(this,
"META-INF/versions/" + version + "/" + path);
+ if (data != null) {
+ return data;
+ }
+ }
+ }
+ }
return archive.getData(this, path);
} catch (ZipException ex) {
dumpFiles(file, -1);
throw ex;
}
}
-
+
+ private int[] getVersions() {
+ int[] ret;
+ if (versions != null && (ret = versions.get()) != null) {
+ return ret;
+ }
+ try {
+ JarFile src = getJarFile("versions");
Review Comment:
is "versions" correct here? Shouldn't this be a path within the jar (or the
jar itself)?
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