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fix: Turn off frame deactivation policy for Spring apps #87

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merged 1 commit into from
Sep 19, 2024
Merged

fix: Turn off frame deactivation policy for Spring apps #87

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22 changes: 22 additions & 0 deletions src/main/kotlin/com/vaadin/plugin/hotswapagent/HotswapAgentProgramPatcher.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -5,10 +5,14 @@ import com.intellij.execution.JavaRunConfigurationBase
import com.intellij.execution.configurations.JavaParameters
import com.intellij.execution.configurations.RunProfile
import com.intellij.execution.runners.JavaProgramPatcher
import com.intellij.openapi.diagnostic.Logger
import com.vaadin.plugin.utils.VaadinHomeUtil


class HotswapAgentProgramPatcher : JavaProgramPatcher() {

private val LOG: Logger = Logger.getInstance(HotswapAgentProgramPatcher::class.java)

override fun patchJavaParameters(executor: Executor?, runProfile: RunProfile?, javaParameters: JavaParameters?) {
if (executor !is HotswapAgentExecutor) {
return
Expand All @@ -21,6 +25,9 @@ class HotswapAgentProgramPatcher : JavaProgramPatcher() {
}
val module = runProfile.configurationModule?.module ?: return

if (runProfile.javaClass.simpleName == "SpringBootApplicationRunConfiguration") {
turnOffFrameDeactivationPolicy(runProfile);
}
if (!JdkUtil.isJetbrainsRuntime(javaParameters.jdk)) {
// Use the bundled Jetbrains Runtime
javaParameters.jdk = JdkUtil.getCompatibleJetbrainsJdk(module)
Expand Down Expand Up @@ -50,5 +57,20 @@ class HotswapAgentProgramPatcher : JavaProgramPatcher() {
paramsList.add("-javaagent:$agentInHome")
}

private fun turnOffFrameDeactivationPolicy(runProfile: JavaRunConfigurationBase) {
try {
val getOptions = runProfile.javaClass.getDeclaredMethod("getOptions")
getOptions.trySetAccessible();
var options = getOptions.invoke(runProfile);
var policy = options.javaClass.getDeclaredField("frameDeactivationUpdatePolicy\$delegate")
policy.trySetAccessible();

val prop = policy.get(options);

prop.javaClass.getMethod("parseAndSetValue", String::class.java).invoke(prop, null);
} catch (e: Exception) {
LOG.debug("Failed to turn off frame deactivation policy", e)
}
}
}