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fix-issue-236 #241

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4a89583
pref: add try-catch #236
wangqiqi95 Feb 5, 2026
c4a09a9
pref: add 适配5.1.8版本的spring-core #236
wangqiqi95 Feb 9, 2026
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38 changes: 29 additions & 9 deletions ...o/github/future0923/debug/tools/hotswap/core/plugin/spring/patch/RequestParamPatcher.java
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,7 @@
*/
package io.github.future0923.debug.tools.hotswap.core.plugin.spring.patch;

import io.github.future0923.debug.tools.base.logging.Logger;
import io.github.future0923.debug.tools.hotswap.core.annotation.OnClassLoadEvent;
import javassist.CannotCompileException;
import javassist.ClassPool;
Expand All @@ -30,6 +31,8 @@
*/
public class RequestParamPatcher {

private static final Logger logger = Logger.getLogger(RequestParamPatcher.class);

@OnClassLoadEvent(classNameRegexp = "org.springframework.web.method.annotation.AbstractNamedValueMethodArgumentResolver")
public static void patchAbstractNamedValueMethodArgumentResolver(CtClass ctClass, ClassPool classPool) throws CannotCompileException, NotFoundException {
CtMethod getNamedValueInfo = ctClass.getDeclaredMethod("getNamedValueInfo", new CtClass[]{classPool.get("org.springframework.core.MethodParameter")});
Expand All @@ -40,14 +43,31 @@ public static void patchAbstractNamedValueMethodArgumentResolver(CtClass ctClass

@OnClassLoadEvent(classNameRegexp = "org.springframework.core.LocalVariableTableParameterNameDiscoverer")
public static void patchLocalVariableTableParameterNameDiscoverer(CtClass ctClass, ClassPool classPool) throws CannotCompileException, NotFoundException {
CtMethod getParameterNames = ctClass.getDeclaredMethod("doGetParameterNames", new CtClass[]{classPool.get("java.lang.reflect.Executable")});
getParameterNames.setBody("{" +
" Class declaringClass = $1.getDeclaringClass();" +
" java.util.Map map = this.inspectClass(declaringClass);" +
" if (map != NO_DEBUG_INFO_MAP) {" +
" return (String[])map.get($1);" +
" }" +
" return null;" +
"}");
try {
// 5.3.23+
CtMethod getParameterNames = ctClass.getDeclaredMethod("doGetParameterNames", new CtClass[]{classPool.get("java.lang.reflect.Executable")});
getParameterNames.setBody("{" +
" Class declaringClass = $1.getDeclaringClass();" +
" java.util.Map map = this.inspectClass(declaringClass);" +
" if (map != NO_DEBUG_INFO_MAP) {" +
" return (String[])map.get($1);" +
" }" +
" return null;" +
"}");
} catch (Exception e) {
// 5.1.8
CtMethod getParameterNames = ctClass.getDeclaredMethod("getParameterNames", new CtClass[]{classPool.get("java.lang.reflect.Constructor")});
getParameterNames.setBody("{" +
" Class declaringClass = $1.getDeclaringClass();" +
" java.util.Map map = this.inspectClass(declaringClass);" +
" if (map != NO_DEBUG_INFO_MAP) {" +
" return (String[])map.get($1);" +
" }" +
" return null;" +
"}");
}

logger.info("patch springframework LocalVariableTableParameterNameDiscoverer success");

}
}