use of org.apache.xbean.asm5.MethodVisitor in project tomee by apache.
the class DynamicSubclass method copyMethodAnnotations.
private static void copyMethodAnnotations(final Class<?> classToProxy, final Map<String, MethodVisitor> visitors) throws ProxyGenerationException {
// Move all the annotations onto the newly implemented methods
// Ensures CDI and JAX-RS and JAX-WS still work
Class clazz = classToProxy;
while (clazz != null && !clazz.equals(Object.class)) {
try {
final ClassReader classReader = new ClassReader(readClassFile(clazz));
final ClassVisitor copyMethodAnnotations = new CopyMethodAnnotations(visitors);
classReader.accept(copyMethodAnnotations, ClassReader.SKIP_CODE);
} catch (final IOException e) {
throw new ProxyGenerationException(e);
}
clazz = clazz.getSuperclass();
}
}
use of org.apache.xbean.asm5.MethodVisitor in project tomee by apache.
the class DynamicSubclass method visitConstructor.
private static MethodVisitor visitConstructor(final ClassWriter cw, final String proxyClassFileName, final String classFileName, final Constructor<?> constructor) {
final String descriptor = Type.getConstructorDescriptor(constructor);
final String[] exceptions = new String[constructor.getExceptionTypes().length];
for (int i = 0; i < exceptions.length; i++) {
exceptions[i] = Type.getInternalName(constructor.getExceptionTypes()[i]);
}
final MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "<init>", descriptor, null, exceptions);
mv.visitCode();
mv.visitVarInsn(ALOAD, 0);
int index = 1;
for (final Type type : Type.getArgumentTypes(descriptor)) {
mv.visitVarInsn(type.getOpcode(ILOAD), index);
index += size(type);
}
mv.visitMethodInsn(INVOKESPECIAL, classFileName, "<init>", descriptor, false);
mv.visitVarInsn(ALOAD, 0);
mv.visitVarInsn(ALOAD, 0);
mv.visitFieldInsn(PUTFIELD, proxyClassFileName, "this$handler", "Ljava/lang/reflect/InvocationHandler;");
mv.visitInsn(RETURN);
mv.visitMaxs(2, 1);
return mv;
}
use of org.apache.xbean.asm5.MethodVisitor in project tomee by apache.
the class ServiceClasspathTest method subclass.
public static File subclass(final Class<?> parent, final String subclassName) throws Exception {
final String subclassNameInternal = subclassName.replace('.', '/');
final byte[] bytes;
{
final ClassWriter cw = new ClassWriter(0);
final String parentClassNameInternal = parent.getName().replace('.', '/');
cw.visit(Opcodes.V1_6, Opcodes.ACC_PUBLIC + ACC_SUPER, subclassNameInternal, null, parentClassNameInternal, null);
final MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
mv.visitCode();
mv.visitVarInsn(ALOAD, 0);
mv.visitMethodInsn(INVOKESPECIAL, parentClassNameInternal, "<init>", "()V", false);
mv.visitInsn(RETURN);
mv.visitMaxs(1, 1);
mv.visitEnd();
cw.visitEnd();
bytes = cw.toByteArray();
}
return Archive.archive().add(subclassNameInternal + ".class", bytes).asJar();
}
use of org.apache.xbean.asm5.MethodVisitor in project tomee by apache.
the class Cmp1Generator method createConstructor.
/**
* Create a default constructor for our bean super
* class. This is just a forwarding constructor that
* calls the superclass (the bean implementation class)
* default constructor.
*/
private void createConstructor() {
final MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
mv.visitCode();
mv.visitVarInsn(ALOAD, 0);
mv.visitMethodInsn(INVOKESPECIAL, beanClassName, "<init>", "()V", false);
mv.visitInsn(RETURN);
mv.visitMaxs(0, 0);
mv.visitEnd();
}
use of org.apache.xbean.asm5.MethodVisitor in project tomee by apache.
the class Cmp2Generator method createOpenEJB_removeCmr.
private void createOpenEJB_removeCmr() {
final MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "OpenEJB_removeCmr", "(Ljava/lang/String;Ljava/lang/Object;)V", null, null);
mv.visitCode();
// if (deleted) return;
mv.visitVarInsn(ALOAD, 0);
mv.visitFieldInsn(GETFIELD, implClassName, DELETED, "Z");
final Label notDeleted = new Label();
mv.visitJumpInsn(IFEQ, notDeleted);
mv.visitInsn(RETURN);
mv.visitLabel(notDeleted);
for (final CmrField cmrField : cmrFields) {
// if ("${cmrField.name}".equals(name)) {
// ${cmrField.name}.remove(value);
// return;
// }
//
// OR
//
// if ("${cmrField.name}".equals(name)) {
// ${cmrField.name} = null;
// return;
// }
createOpenEJB_removeCmr(mv, cmrField);
}
// throw new IllegalArgumentException("Unknown cmr field " + name + " on entity bean of type " + getClass().getName());
mv.visitTypeInsn(NEW, "java/lang/IllegalArgumentException");
mv.visitInsn(DUP);
mv.visitTypeInsn(NEW, "java/lang/StringBuilder");
mv.visitInsn(DUP);
mv.visitMethodInsn(INVOKESPECIAL, "java/lang/StringBuilder", "<init>", "()V", false);
mv.visitLdcInsn("Unknown cmr field ");
mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "append", "(Ljava/lang/String;)Ljava/lang/StringBuilder;", false);
mv.visitVarInsn(ALOAD, 1);
mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "append", "(Ljava/lang/String;)Ljava/lang/StringBuilder;", false);
mv.visitLdcInsn(" on entity bean of type ");
mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "append", "(Ljava/lang/String;)Ljava/lang/StringBuilder;", false);
mv.visitVarInsn(ALOAD, 0);
mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Object", "getClass", "()Ljava/lang/Class;", false);
mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Class", "getName", "()Ljava/lang/String;", false);
mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "append", "(Ljava/lang/String;)Ljava/lang/StringBuilder;", false);
mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "toString", "()Ljava/lang/String;", false);
mv.visitMethodInsn(INVOKESPECIAL, "java/lang/IllegalArgumentException", "<init>", "(Ljava/lang/String;)V", false);
mv.visitInsn(ATHROW);
mv.visitMaxs(0, 0);
mv.visitEnd();
}
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