This method is available in Java 9 or later. - * It loads the class - * by using {@code java.lang.invoke.MethodHandles} with {@code neighbor}. - *
- * - * @param ct the class converted into {@code java.lang.Class}. - * @param neighbor a class belonging to the same package that - * the converted class belongs to. - * @since 3.24 - */ - public Class toClass(CtClass ct, Class neighbor) - throws CannotCompileException - { - try { - return javassist.util.proxy.DefineClassHelper.toClass(neighbor, - ct.toBytecode()); - } - catch (IOException e) { - throw new CannotCompileException(e); - } - } - - /** - * Converts the class to ajava.lang.Class object.
- * Once this method is called, further modifications are not allowed
- * any more.
- *
- * This method is available in Java 9 or later. - * It loads the class - * by using the given {@code java.lang.invoke.MethodHandles.Lookup}. - *
- * - * @param ct the class converted into {@code java.lang.Class}. - * @since 3.24 - */ - public Class toClass(CtClass ct, - java.lang.invoke.MethodHandles.Lookup lookup) - throws CannotCompileException - { - try { - return javassist.util.proxy.DefineClassHelper.toClass(lookup, - ct.toBytecode()); - } - catch (IOException e) { - throw new CannotCompileException(e); - } - } - - /** - * Converts the class to ajava.lang.Class object.
- * Once this method is called, further modifications are not allowed
- * any more.
- *
* When the JVM is Java 11 or later, this method loads the class
* by using {@code java.lang.invoke.MethodHandles} with {@code neighbor}.
* The other arguments {@code loader} and {@code domain} are not used;
--- a/src/main/javassist/CtClass.java 2023-06-06 17:43:01.915579458 +0200
+++ b/src/main/javassist/CtClass.java 2023-06-06 18:02:41.811506992 +0200
@@ -1300,59 +1300,6 @@
/**
* Converts this class to a java.lang.Class object.
- * Once this method is called, further modifications are not
- * allowed any more.
- *
- *
This method is provided for convenience. You should use - * {@code toClass(Lookup)} for better compatibility with the - * module system. - * - *
Note: this method calls toClass()
- * in ClassPool.
- *
- *
Warning: A Class object returned by this method may not
- * work with a security manager or a signed jar file because a
- * protection domain is not specified.
- *
- * @param neighbor A class belonging to the same package that this
- * class belongs to. It is used to load the class.
- * @see ClassPool#toClass(CtClass,Class)
- * @see #toClass(java.lang.invoke.MethodHandles.Lookup)
- * @since 3.24
- */
- public Class toClass(Class neighbor) throws CannotCompileException
- {
- return getClassPool().toClass(this, neighbor);
- }
-
- /**
- * Converts this class to a java.lang.Class object.
- * Once this method is called, further modifications are not
- * allowed any more.
- *
- *
This method is provided for convenience. If you need more - * complex functionality, you should write your own class loader. - * - *
Note: this method calls toClass()
- * in ClassPool.
- *
- *
Warning: A Class object returned by this method may not
- * work with a security manager or a signed jar file because a
- * protection domain is not specified.
- *
- * @param lookup used when loading the class. It has to have
- * an access right to define a new class.
- * @see ClassPool#toClass(CtClass,java.lang.invoke.MethodHandles.Lookup)
- * @since 3.24
- */
- public Class toClass(java.lang.invoke.MethodHandles.Lookup lookup)
- throws CannotCompileException
- {
- return getClassPool().toClass(this, lookup);
- }
-
- /**
- * Converts this class to a java.lang.Class object.
* Once this method is called, further modifications are not allowed
* any more.
*
--- a/src/main/javassist/Loader.java 2023-06-06 17:43:01.923579511 +0200
+++ b/src/main/javassist/Loader.java 2023-06-06 17:43:21.591712028 +0200
@@ -421,9 +421,6 @@
}
private boolean isDefinedPackage(String name) {
- if (ClassFile.MAJOR_VERSION >= ClassFile.JAVA_9)
- return getDefinedPackage(name) == null;
- else
return getPackage(name) == null;
}
--- a/src/main/javassist/util/proxy/DefineClassHelper.java 2023-06-06 17:43:01.979579888 +0200
+++ b/src/main/javassist/util/proxy/DefineClassHelper.java 2023-06-06 17:56:53.241171849 +0200
@@ -44,15 +44,11 @@
ClassLoader loader, ProtectionDomain protectionDomain)
throws ClassFormatError, CannotCompileException
{
- if (neighbor != null)
- return toClass(neighbor, bcode);
- else {
// Lookup#defineClass() is not available. So fallback to invoking defineClass on
// ClassLoader, which causes a warning message.
return super.defineClass(name, bcode, off, len, neighbor, loader, protectionDomain);
}
}
- }
private static class Java9 extends Helper {
final class ReferencedUnsafe {
@@ -275,65 +271,5 @@
}
}
-
- /**
- * Loads a class file by {@code java.lang.invoke.MethodHandles.Lookup}.
- * It is obtained by using {@code neighbor}.
- *
- * @param neighbor a class belonging to the same package that the loaded
- * class belogns to.
- * @param bcode the bytecode.
- * @since 3.24
- */
- public static Class toClass(Class neighbor, byte[] bcode)
- throws CannotCompileException
- {
- try {
- DefineClassHelper.class.getModule().addReads(neighbor.getModule());
- Lookup lookup = MethodHandles.lookup();
- Lookup prvlookup = MethodHandles.privateLookupIn(neighbor, lookup);
- return prvlookup.defineClass(bcode);
- } catch (IllegalAccessException | IllegalArgumentException e) {
- throw new CannotCompileException(e.getMessage() + ": " + neighbor.getName()
- + " has no permission to define the class");
- }
- }
-
- /**
- * Loads a class file by {@code java.lang.invoke.MethodHandles.Lookup}.
- * It can be obtained by {@code MethodHandles.lookup()} called from
- * somewhere in the package that the loaded class belongs to.
- *
- * @param bcode the bytecode.
- * @since 3.24
- */
- public static Class toClass(Lookup lookup, byte[] bcode)
- throws CannotCompileException
- {
- try {
- return lookup.defineClass(bcode);
- } catch (IllegalAccessException | IllegalArgumentException e) {
- throw new CannotCompileException(e.getMessage());
- }
- }
-
- /**
- * Loads a class file by {@code java.lang.invoke.MethodHandles.Lookup}.
- *
- * @since 3.22
- */
- static Class toPublicClass(String className, byte[] bcode)
- throws CannotCompileException
- {
- try {
- Lookup lookup = MethodHandles.lookup();
- lookup = lookup.dropLookupMode(java.lang.invoke.MethodHandles.Lookup.PRIVATE);
- return lookup.defineClass(bcode);
- }
- catch (Throwable t) {
- throw new CannotCompileException(t);
- }
- }
-
private DefineClassHelper() {}
}
--- a/src/main/javassist/util/proxy/FactoryHelper.java 2023-06-06 17:43:01.979579888 +0200
+++ b/src/main/javassist/util/proxy/FactoryHelper.java 2023-06-06 18:03:56.172005165 +0200
@@ -148,29 +148,7 @@
{
try {
byte[] b = toBytecode(cf);
- if (ProxyFactory.onlyPublicMethods)
- return DefineClassHelper.toPublicClass(cf.getName(), b);
- else
- return DefineClassHelper.toClass(cf.getName(), neighbor,
- loader, domain, b);
- }
- catch (IOException e) {
- throw new CannotCompileException(e);
- }
- }
-
- /**
- * Loads a class file by a given lookup.
- *
- * @param lookup used to define the class.
- * @since 3.24
- */
- public static Class toClass(ClassFile cf, java.lang.invoke.MethodHandles.Lookup lookup)
- throws CannotCompileException
- {
- try {
- byte[] b = toBytecode(cf);
- return DefineClassHelper.toClass(lookup, b);
+ return DefineClassHelper.toClass(cf.getName(), neighbor, loader, domain, b);
}
catch (IOException e) {
throw new CannotCompileException(e);
--- a/src/main/javassist/util/proxy/ProxyFactory.java 2023-06-06 17:43:01.979579888 +0200
+++ b/src/main/javassist/util/proxy/ProxyFactory.java 2023-06-06 18:05:06.452476007 +0200
@@ -636,10 +636,7 @@
if (writeDirectory != null)
FactoryHelper.writeFile(cf, writeDirectory);
- if (lookup == null)
thisClass = FactoryHelper.toClass(cf, getClassInTheSamePackage(), cl, getDomain());
- else
- thisClass = FactoryHelper.toClass(cf, lookup);
setField(FILTER_SIGNATURE_FIELD, signature);
// legacy behaviour : we only set the default interceptor static field if we are not using the cache