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commit 23537cea0f669978ac5c19adc813b69d571e78fc
Author: Jiri Ondrusek <ondrusek.j...@gmail.com>
AuthorDate: Tue Jan 7 08:54:18 2025 +0100
Fixes #6889 - jt400 - disables GUI interaction for the native mode
---
.../component/jt400/deployment/Jt400Processor.java | 67 ++++++++++++++++++++--
.../component/jt400/graal/JT400Substitutions.java | 6 --
2 files changed, 63 insertions(+), 10 deletions(-)
diff --git
a/extensions/jt400/deployment/src/main/java/org/apache/camel/quarkus/component/jt400/deployment/Jt400Processor.java
b/extensions/jt400/deployment/src/main/java/org/apache/camel/quarkus/component/jt400/deployment/Jt400Processor.java
index a666373483..efce11cfc3 100644
---
a/extensions/jt400/deployment/src/main/java/org/apache/camel/quarkus/component/jt400/deployment/Jt400Processor.java
+++
b/extensions/jt400/deployment/src/main/java/org/apache/camel/quarkus/component/jt400/deployment/Jt400Processor.java
@@ -26,17 +26,18 @@ import com.ibm.as400.access.ConvTable;
import com.ibm.as400.access.NLSImplNative;
import io.quarkus.deployment.annotations.BuildProducer;
import io.quarkus.deployment.annotations.BuildStep;
-import io.quarkus.deployment.builditem.CombinedIndexBuildItem;
-import io.quarkus.deployment.builditem.FeatureBuildItem;
-import io.quarkus.deployment.builditem.IndexDependencyBuildItem;
-import io.quarkus.deployment.builditem.NativeImageEnableAllCharsetsBuildItem;
+import io.quarkus.deployment.builditem.*;
import
io.quarkus.deployment.builditem.nativeimage.NativeImageResourceBundleBuildItem;
import io.quarkus.deployment.builditem.nativeimage.ReflectiveClassBuildItem;
import
io.quarkus.deployment.builditem.nativeimage.RuntimeInitializedClassBuildItem;
import
io.quarkus.deployment.builditem.nativeimage.RuntimeReinitializedClassBuildItem;
+import io.quarkus.gizmo.Gizmo;
import org.jboss.jandex.DotName;
import org.jboss.jandex.IndexView;
import org.jboss.logging.Logger;
+import org.objectweb.asm.ClassVisitor;
+import org.objectweb.asm.MethodVisitor;
+import org.objectweb.asm.Opcodes;
class Jt400Processor {
@@ -105,4 +106,62 @@ class Jt400Processor {
return new IndexDependencyBuildItem("net.sf.jt400", "jt400", "java11");
}
+ @BuildStep
+ BytecodeTransformerBuildItem patchToolboxSignonHandler() {
+ return new BytecodeTransformerBuildItem.Builder()
+
.setClassToTransform("com.ibm.as400.access.ToolboxSignonHandler")
+ .setCacheable(true)
+ .setVisitorFunction((className, classVisitor) -> new
ToolboxSignonHandlerClassVisitor(classVisitor)).build();
+ }
+
+ /**
+ * ToolboxSignonHandler starts GUI dialogues from several methods. This is
not supported in the native.
+ * Unfortunately the method AS400.isGuiAvailable does not disable every
call to dialogue.
+ * Two methods `handleSignon` and `handlePasswordChange` has to be removed
(they does not contain any logic,
+ * just the GUI interaction)
+ *
+ * ToolboxSignonHandler is a final class, therefore no substitutions can
be added to this class
+ * and bytecode manipulation had to be used instead.
+ */
+ static class ToolboxSignonHandlerClassVisitor extends ClassVisitor {
+
+ private final Logger logger;
+
+ protected ToolboxSignonHandlerClassVisitor(ClassVisitor classVisitor) {
+ super(Gizmo.ASM_API_VERSION, classVisitor);
+
+ logger = Logger.getLogger("ToolboxSignonHandlerClassVisitor");
+ }
+
+ @Override
+ public MethodVisitor visitMethod(int access, String name, String
descriptor, String signature,
+ String[] exceptions) {
+ MethodVisitor original = super.visitMethod(access, name,
descriptor, signature, exceptions);
+ if ("handleSignon".equals(name) ||
"handlePasswordChange".equals(name)) {
+ logger.debug("GUI interaction enhancer for Quarkus:
transforming " + name + " to avoid spawning dialogues");
+ // Replace the method body
+ return new MethodVisitor(Gizmo.ASM_API_VERSION, original) {
+ @Override
+ public void visitCode() {
+ super.visitCode();
+ // Load 'true' or `false` onto the stack and return
+ if ("handlePasswordChange".equals(name)) {
+ visitInsn(Opcodes.ICONST_0); // push false
+ } else {
+ visitInsn(Opcodes.ICONST_1); // push true
+ }
+ visitInsn(Opcodes.IRETURN); // return boolean from the
method
+ }
+
+ @Override
+ public void visitMaxs(int maxStack, int maxLocals) {
+ // Max stack is 1 (for the boolean), locals can remain
unchanged
+ super.visitMaxs(1, 0);
+ }
+ };
+ }
+ return original;
+ }
+ }
+
}
diff --git
a/extensions/jt400/runtime/src/main/java/org/apache/camel/quarkus/component/jt400/graal/JT400Substitutions.java
b/extensions/jt400/runtime/src/main/java/org/apache/camel/quarkus/component/jt400/graal/JT400Substitutions.java
index 221c070eea..96afbfd320 100644
---
a/extensions/jt400/runtime/src/main/java/org/apache/camel/quarkus/component/jt400/graal/JT400Substitutions.java
+++
b/extensions/jt400/runtime/src/main/java/org/apache/camel/quarkus/component/jt400/graal/JT400Substitutions.java
@@ -39,12 +39,6 @@ final class SubstituteAS400 {
//skip verification, because it cen end with GUi dialog
return false;
}
-
- @Substitute
- //workaround because of https://github.com/apache/camel-quarkus/issues/6889
- synchronized void signon(boolean keepConnection) throws
AS400SecurityException, IOException {
- throw new RuntimeException("Signon is not supported in the native
mode.");
- }
}
//even if gui is turned off, the presence of code in Dialogs, which references
awt object, causes the java.lang.Thread
