Examples with AnnotationVisitor org.eclipse.persistence.internal.libraries.asm.AnnotationVisitor used on opensource projects

Example 1 with AnnotationVisitor

use of org.eclipse.persistence.internal.libraries.asm.AnnotationVisitor in project eclipselink by eclipse-ee4j.

the class AnnotationsProcessor method generateManyValueClass.

private void generateManyValueClass(EclipseLinkASMClassWriter cw, TypeMappingInfo typeMappingInfo, String namespace, Class<?> superType, String classNameSeparatedBySlash, JavaClass componentType, JavaClass containerType) {
    String componentClassNameSeparatedBySlash = getObjectType(componentType).getQualifiedName().replace(DOT_CHR, SLASH_CHR);
    String containerClassNameSeperatedBySlash = containerType.getQualifiedName().replace(DOT_CHR, SLASH_CHR);
    if ("[B".equals(componentClassNameSeparatedBySlash)) {
        cw.visit(Opcodes.ACC_PUBLIC + Opcodes.ACC_SUPER, classNameSeparatedBySlash, "L" + Type.getInternalName(superType) + "<" + componentClassNameSeparatedBySlash + ">;", Type.getInternalName(superType), null);
    } else {
        cw.visit(Opcodes.ACC_PUBLIC + Opcodes.ACC_SUPER, classNameSeparatedBySlash, "L" + Type.getInternalName(superType) + "<L" + componentClassNameSeparatedBySlash + ";>;", Type.getInternalName(superType), null);
    }
    // Write @XmlType(namespace)
    AnnotationVisitor av = cw.visitAnnotation("Ljakarta/xml/bind/annotation/XmlType;", true);
    if (null != namespace) {
        av.visit("namespace", namespace);
    }
    if (classNameSeparatedBySlash.startsWith(ARRAY_PACKAGE_NAME.replace('.', '/')) && classNameSeparatedBySlash.contains("QName")) {
        av.visit("name", classNameSeparatedBySlash.substring(classNameSeparatedBySlash.lastIndexOf('/') + 1));
    }
    av.visitEnd();
    // Public No-Arg Constructor
    MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "<init>", "()V", null, null);
    mv.visitCode();
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, Type.getInternalName(superType), "<init>", "()V", false);
    mv.visitInsn(Opcodes.RETURN);
    mv.visitMaxs(1, 1);
    mv.visitEnd();
    if (!componentType.isPrimitive() && ArrayValue.class.isAssignableFrom(superType)) {
        // @Override
        // public Object getItem() {
        // if(null == adaptedValue) {
        // return null;
        // }
        // int len = adaptedValue.size();
        // Float[] array = new Float[len];
        // adaptedValue.toArray(array);
        // return array;
        // }
        mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "getItem", "()Ljava/lang/Object;", null, null);
        mv.visitCode();
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitFieldInsn(Opcodes.GETFIELD, classNameSeparatedBySlash, "adaptedValue", "Ljava/util/Collection;");
        Label l0 = new Label();
        mv.visitJumpInsn(Opcodes.IFNONNULL, l0);
        mv.visitInsn(Opcodes.ACONST_NULL);
        mv.visitInsn(Opcodes.ARETURN);
        mv.visitLabel(l0);
        mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitFieldInsn(Opcodes.GETFIELD, classNameSeparatedBySlash, "adaptedValue", "Ljava/util/Collection;");
        mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/Collection", "size", "()I", true);
        mv.visitVarInsn(Opcodes.ISTORE, 1);
        mv.visitVarInsn(Opcodes.ILOAD, 1);
        mv.visitTypeInsn(Opcodes.ANEWARRAY, componentClassNameSeparatedBySlash);
        mv.visitVarInsn(Opcodes.ASTORE, 2);
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitFieldInsn(Opcodes.GETFIELD, classNameSeparatedBySlash, "adaptedValue", "Ljava/util/Collection;");
        mv.visitVarInsn(Opcodes.ALOAD, 2);
        mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/Collection", "toArray", "([Ljava/lang/Object;)[Ljava/lang/Object;", true);
        mv.visitInsn(Opcodes.POP);
        mv.visitVarInsn(Opcodes.ALOAD, 2);
        mv.visitInsn(Opcodes.ARETURN);
        mv.visitMaxs(2, 3);
        mv.visitEnd();
        // @Override
        // public void setItem(Object array) {
        // Float[] floatArray = (Float[])array;
        // adaptedValue =   (Collection<T>) Arrays.asList(floatArray);
        // }
        mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "setItem", "(Ljava/lang/Object;)V", null, null);
        mv.visitCode();
        mv.visitVarInsn(Opcodes.ALOAD, 1);
        mv.visitTypeInsn(Opcodes.CHECKCAST, "[L" + componentClassNameSeparatedBySlash + ";");
        mv.visitVarInsn(Opcodes.ASTORE, 2);
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitVarInsn(Opcodes.ALOAD, 2);
        mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/util/Arrays", "asList", "([Ljava/lang/Object;)Ljava/util/List;", false);
        mv.visitFieldInsn(Opcodes.PUTFIELD, classNameSeparatedBySlash, "adaptedValue", "Ljava/util/Collection;");
        mv.visitInsn(Opcodes.RETURN);
        mv.visitMaxs(2, 3);
        mv.visitEnd();
    }
    // }
    if ("[B".equals(componentClassNameSeparatedBySlash)) {
        mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "getAdaptedValue", "()Ljava/util/Collection;", "()Ljava/util/Collection<" + componentClassNameSeparatedBySlash + ">;", null);
    } else {
        mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "getAdaptedValue", "()Ljava/util/Collection;", "()Ljava/util/Collection<L" + componentClassNameSeparatedBySlash + ";>;", null);
    }
    // Copy annotations
    boolean hasXmlList = false;
    Annotation[] annotations;
    if (typeMappingInfo != null && ((annotations = getAnnotations(typeMappingInfo)) != null)) {
        for (Annotation annotation : annotations) {
            if (!(annotation instanceof XmlElement || annotation instanceof XmlJavaTypeAdapter)) {
                Class<? extends Annotation> annotationType = annotation.annotationType();
                // if(annotationType.equals(XmlList.class)) {
                if (annotation instanceof XmlList) {
                    hasXmlList = true;
                }
                av = mv.visitAnnotation(L + annotationType.getName().replace(DOT_CHR, SLASH_CHR) + SEMI_COLON, true);
                for (Method next : annotation.annotationType().getDeclaredMethods()) {
                    try {
                        Object nextValue = next.invoke(annotation);
                        if (nextValue instanceof Class) {
                            nextValue = Type.getType(L + ((Class) nextValue).getName().replace(DOT_CHR, SLASH_CHR) + SEMI_COLON);
                        }
                        av.visit(next.getName(), nextValue);
                    } catch (InvocationTargetException ex) {
                    } catch (IllegalAccessException ex) {
                    }
                }
                av.visitEnd();
            }
        }
    }
    if (hasXmlList) {
        // @XmlValue
        av = mv.visitAnnotation("Ljakarta/xml/bind/annotation/XmlValue;", true);
        av = mv.visitAnnotation("Lorg/eclipse/persistence/oxm/annotations/XmlValueExtension;", true);
        av.visitEnd();
    } else {
        // @XmlElement(name="item", nillable=true)
        av = mv.visitAnnotation("Ljakarta/xml/bind/annotation/XmlElement;", true);
        av.visit("name", ITEM);
        av.visit("nillable", true);
        av.visitEnd();
    }
    mv.visitCode();
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, Type.getInternalName(superType), "getAdaptedValue", "()Ljava/util/Collection;", false);
    mv.visitInsn(Opcodes.ARETURN);
    mv.visitMaxs(1, 1);
    mv.visitEnd();
    // public void setAdaptedValue(Collection<COMPONENT_TYPE> adaptedValue) {
    // super.setAdaptedValue(adaptedValue);
    // }
    mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "setAdaptedValue", "(Ljava/util/Collection;)V", "(Ljava/util/Collection<L" + componentClassNameSeparatedBySlash + ";>;)V", null);
    mv.visitCode();
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitVarInsn(Opcodes.ALOAD, 1);
    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, Type.getInternalName(superType), "setAdaptedValue", "(Ljava/util/Collection;)V", false);
    mv.visitInsn(Opcodes.RETURN);
    mv.visitMaxs(2, 2);
    mv.visitEnd();
    // public Class<?> containerClass() {
    // return CONTAINER_TYPE.class;
    // }
    mv = cw.visitMethod(Opcodes.ACC_PROTECTED, "containerClass", "()Ljava/lang/Class;", "()Ljava/lang/Class<*>;", null);
    mv.visitCode();
    if (componentType.isPrimitive()) {
        mv.visitFieldInsn(Opcodes.GETSTATIC, getObjectType(componentType).getQualifiedName().replace(DOT_CHR, SLASH_CHR), "TYPE", "Ljava/lang/Class;");
    } else {
        if (containerClassNameSeperatedBySlash.contains(";")) {
            mv.visitLdcInsn(Type.getType(containerClassNameSeperatedBySlash));
        } else {
            mv.visitLdcInsn(Type.getType("L" + containerClassNameSeperatedBySlash + ";"));
        }
    }
    mv.visitInsn(Opcodes.ARETURN);
    mv.visitMaxs(1, 1);
    mv.visitEnd();
}

Example 2 with AnnotationVisitor

use of org.eclipse.persistence.internal.libraries.asm.AnnotationVisitor in project eclipselink by eclipse-ee4j.

the class AnnotationsProcessor method generateWrapperForMapClass.

private Class<?> generateWrapperForMapClass(JavaClass mapClass, JavaClass keyClass, JavaClass valueClass, TypeMappingInfo typeMappingInfo) {
    String packageName = JAXB_DEV;
    NamespaceResolver combinedNamespaceResolver = new NamespaceResolver();
    if (!helper.isBuiltInJavaType(keyClass)) {
        String keyPackageName = keyClass.getPackageName();
        packageName = packageName + DOT_CHR + keyPackageName;
        NamespaceInfo keyNamespaceInfo = getPackageInfoForPackage(keyClass).getNamespaceInfo();
        if (keyNamespaceInfo != null) {
            java.util.Vector<Namespace> namespaces = keyNamespaceInfo.getNamespaceResolver().getNamespaces();
            for (Namespace n : namespaces) {
                combinedNamespaceResolver.put(n.getPrefix(), n.getNamespaceURI());
            }
        }
    }
    if (!helper.isBuiltInJavaType(valueClass)) {
        String valuePackageName = valueClass.getPackageName();
        packageName = packageName + DOT_CHR + valuePackageName;
        NamespaceInfo valueNamespaceInfo = getPackageInfoForPackage(valueClass).getNamespaceInfo();
        if (valueNamespaceInfo != null) {
            java.util.Vector<Namespace> namespaces = valueNamespaceInfo.getNamespaceResolver().getNamespaces();
            for (Namespace n : namespaces) {
                combinedNamespaceResolver.put(n.getPrefix(), n.getNamespaceURI());
            }
        }
    }
    String namespace = this.defaultTargetNamespace;
    if (namespace == null) {
        namespace = EMPTY_STRING;
    }
    PackageInfo packageInfo = packageToPackageInfoMappings.get(mapClass.getPackageName());
    if (packageInfo == null) {
        packageInfo = getPackageToPackageInfoMappings().get(packageName);
    } else {
        if (packageInfo.getNamespace() != null) {
            namespace = packageInfo.getNamespace();
        }
        getPackageToPackageInfoMappings().put(packageName, packageInfo);
    }
    if (packageInfo == null) {
        packageInfo = new PackageInfo();
        packageInfo.setNamespaceInfo(new NamespaceInfo());
        packageInfo.setNamespace(namespace);
        packageInfo.setNamespaceResolver(combinedNamespaceResolver);
        getPackageToPackageInfoMappings().put(packageName, packageInfo);
    }
    int beginIndex = keyClass.getName().lastIndexOf(DOT_CHR) + 1;
    String keyName = keyClass.getName().substring(beginIndex);
    int dollarIndex = keyName.indexOf(DOLLAR_SIGN_CHR);
    if (dollarIndex > -1) {
        keyName = keyName.substring(dollarIndex + 1);
    }
    beginIndex = valueClass.getName().lastIndexOf(DOT_CHR) + 1;
    String valueName = valueClass.getName().substring(beginIndex);
    dollarIndex = valueName.indexOf(DOLLAR_SIGN_CHR);
    if (dollarIndex > -1) {
        valueName = valueName.substring(dollarIndex + 1);
    }
    String collectionClassShortName = mapClass.getRawName().substring(mapClass.getRawName().lastIndexOf(DOT_CHR) + 1);
    String suggestedClassName = keyName + valueName + collectionClassShortName;
    String qualifiedClassName = packageName + DOT_CHR + suggestedClassName;
    qualifiedClassName = getNextAvailableClassName(qualifiedClassName);
    String qualifiedInternalClassName = qualifiedClassName.replace(DOT_CHR, SLASH_CHR);
    String internalKeyName = keyClass.getQualifiedName().replace(DOT_CHR, SLASH_CHR);
    String internalValueName = valueClass.getQualifiedName().replace(DOT_CHR, SLASH_CHR);
    Type mapType = Type.getType(L + mapClass.getRawName().replace(DOT_CHR, SLASH_CHR) + SEMI_COLON);
    EclipseLinkASMClassWriter cw = new EclipseLinkASMClassWriter();
    String sig = "Lorg/eclipse/persistence/internal/jaxb/many/MapValue<L" + mapType.getInternalName() + "<L" + internalKeyName + ";L" + internalValueName + ";>;>;";
    cw.visit(Opcodes.ACC_PUBLIC + Opcodes.ACC_SUPER, qualifiedInternalClassName, sig, "org/eclipse/persistence/internal/jaxb/many/MapValue", null);
    // Write Field: @... public Map entry
    String fieldSig = L + mapType.getInternalName() + "<L" + internalKeyName + ";L" + internalValueName + ";>;";
    FieldVisitor fv = cw.visitField(Opcodes.ACC_PUBLIC, "entry", L + mapType.getInternalName() + SEMI_COLON, fieldSig, null);
    fv.visitAnnotation(Type.getDescriptor(XmlElement.class), true);
    if (typeMappingInfo != null) {
        Annotation[] annotations = typeMappingInfo.getAnnotations();
        if (annotations != null) {
            for (Annotation nextAnnotation : annotations) {
                if (nextAnnotation != null && !(nextAnnotation instanceof XmlElement) && !(nextAnnotation instanceof XmlJavaTypeAdapter)) {
                    String annotationClassName = nextAnnotation.annotationType().getName();
                    AnnotationVisitor av = fv.visitAnnotation(L + annotationClassName.replace(DOT_CHR, SLASH_CHR) + SEMI_COLON, true);
                    for (Method next : nextAnnotation.annotationType().getDeclaredMethods()) {
                        try {
                            Object nextValue = next.invoke(nextAnnotation);
                            if (nextValue instanceof Class) {
                                Type nextType = Type.getType(L + ((Class) nextValue).getName().replace(DOT_CHR, SLASH_CHR) + SEMI_COLON);
                                nextValue = nextType;
                            }
                            av.visit(next.getName(), nextValue);
                        } catch (InvocationTargetException ignored) {
                        // ignore the invocation target exception here.
                        } catch (IllegalAccessException ignored) {
                        // ignore the illegal access exception here.
                        }
                    }
                    av.visitEnd();
                }
            }
        }
    }
    fv.visitEnd();
    MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "<init>", "()V", null, null);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "org/eclipse/persistence/internal/jaxb/many/MapValue", "<init>", "()V", false);
    mv.visitInsn(Opcodes.RETURN);
    mv.visitMaxs(1, 1);
    mv.visitEnd();
    // Write: @XmlTransient public void setItem(???)
    String methodSig = "(L" + mapType.getInternalName() + "<L" + internalKeyName + ";L" + internalValueName + ";>;)V";
    mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "setItem", "(L" + mapType.getInternalName() + ";)V", methodSig, null);
    // TODO: Verify that we really want to put @XmlTranient on setItem
    // method
    mv.visitAnnotation("Ljakarta/xml/bind/annotation/XmlTransient;", true);
    Label l0 = new Label();
    mv.visitLabel(l0);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitVarInsn(Opcodes.ALOAD, 1);
    mv.visitFieldInsn(Opcodes.PUTFIELD, qualifiedInternalClassName, "entry", L + mapType.getInternalName() + SEMI_COLON);
    mv.visitInsn(Opcodes.RETURN);
    Label l1 = new Label();
    mv.visitLabel(l1);
    // Replacement?:LocalVariableTypeTableAttribute cvAttr = new
    // LocalVariableTypeTableAttribute();
    // mv.visitAttribute(cvAttr);
    mv.visitMaxs(2, 2);
    mv.visitEnd();
    // Write @XmlTransient public ??? getItem()
    methodSig = "()L" + mapType.getInternalName() + "<L" + internalKeyName + ";L" + internalValueName + ";>;";
    mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "getItem", "()L" + mapType.getInternalName() + SEMI_COLON, methodSig, null);
    mv.visitAnnotation("Ljakarta/xml/bind/annotation/XmlTransient;", true);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, qualifiedInternalClassName, "entry", L + mapType.getInternalName() + SEMI_COLON);
    mv.visitInsn(Opcodes.ARETURN);
    mv.visitMaxs(1, 1);
    mv.visitEnd();
    mv = cw.visitMethod(Opcodes.ACC_PUBLIC + Opcodes.ACC_BRIDGE + Opcodes.ACC_SYNTHETIC, "getItem", "()Ljava/lang/Object;", null, null);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, qualifiedInternalClassName, "getItem", "()L" + mapType.getInternalName() + SEMI_COLON, false);
    mv.visitInsn(Opcodes.ARETURN);
    mv.visitMaxs(1, 1);
    mv.visitEnd();
    mv = cw.visitMethod(Opcodes.ACC_PUBLIC + Opcodes.ACC_BRIDGE + Opcodes.ACC_SYNTHETIC, "setItem", "(Ljava/lang/Object;)V", null, null);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitVarInsn(Opcodes.ALOAD, 1);
    mv.visitTypeInsn(Opcodes.CHECKCAST, mapType.getInternalName());
    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, qualifiedInternalClassName, "setItem", "(L" + mapType.getInternalName() + ";)V", false);
    mv.visitInsn(Opcodes.RETURN);
    mv.visitMaxs(2, 2);
    mv.visitEnd();
    // Write @XmlType(namespace)
    AnnotationVisitor av = cw.visitAnnotation("Ljakarta/xml/bind/annotation/XmlType;", true);
    av.visit("namespace", namespace);
    cw.visitEnd();
    byte[] classBytes = cw.toByteArray();
    return generateClassFromBytes(qualifiedClassName, classBytes);
}

Example 3 with AnnotationVisitor

use of org.eclipse.persistence.internal.libraries.asm.AnnotationVisitor in project eclipselink by eclipse-ee4j.

the class ClassLoaderTestCases method setUp.

@Override
protected void setUp() throws Exception {
    EclipseLinkASMClassWriter cw = new EclipseLinkASMClassWriter();
    cw.visit(Opcodes.ACC_PUBLIC + Opcodes.ACC_SUPER, CLASS_NAME, null, ClassLoaderRoot.class.getName().replace('.', '/'), null);
    AnnotationVisitor xmlTypeAV = cw.visitAnnotation("Ljakarta/xml/bind/annotation/XmlRootElement;", true);
    xmlTypeAV.visit("name", "root");
    xmlTypeAV.visitEnd();
    // Write Constructor:
    MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "<init>", "()V", null, null);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, ClassLoaderRoot.class.getName().replace('.', '/'), "<init>", "()V", false);
    mv.visitInsn(Opcodes.RETURN);
    mv.visitMaxs(1, 1);
    mv.visitEnd();
    JaxbClassLoader classLoader = new JaxbClassLoader(ClassLoaderRoot.class.getClassLoader());
    classLoaderChildClass = classLoader.generateClass(CLASS_NAME, cw.toByteArray());
    jaxbContext = JAXBContextFactory.createContext(new Class<?>[] { classLoaderChildClass }, null);
}