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

Example 1 with FieldVisitor

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

the class ClassWeaver method addFetchGroupVariables.

/**
 * Add a variable of type FetchGroup, Session to the class. When this method
 * has been run, the class will contain a variable declarations similar to
 * the following:
 *
 * private FetchGroup _persistence_fetchGroup; private boolean
 * _persistence_shouldRefreshFetchGroup; private Session
 * _persistence_session;
 */
public void addFetchGroupVariables() {
    FieldVisitor fv = cv.visitField(ACC_PROTECTED, "_persistence_fetchGroup", FETCHGROUP_SIGNATURE, null, null);
    // is being used
    if (classDetails.usesAttributeAccess()) {
        fv.visitAnnotation(JPA_TRANSIENT_DESCRIPTION, true).visitEnd();
    }
    if (isJAXBOnPath()) {
        fv.visitAnnotation(XML_TRANSIENT_DESCRIPTION, true).visitEnd();
    }
    fv.visitEnd();
    cv.visitField(ACC_PROTECTED + ACC_TRANSIENT, "_persistence_shouldRefreshFetchGroup", PBOOLEAN_SIGNATURE, null, null).visitEnd();
    cv.visitField(ACC_PROTECTED + ACC_TRANSIENT, "_persistence_session", SESSION_SIGNATURE, null, null).visitEnd();
}

Example 2 with FieldVisitor

use of org.eclipse.persistence.internal.libraries.asm.FieldVisitor 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 FieldVisitor

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

the class ClassWeaver method addValueHolder.

/**
 * Add a variable of type ValueHolderInterface to the class. When this
 * method has been run, the class will contain a variable declaration
 * similar to the following:
 *
 * private ValueHolderInterface _persistence_variableName_vh;
 */
public void addValueHolder(AttributeDetails attributeDetails) {
    String attribute = attributeDetails.getAttributeName();
    FieldVisitor fv = cv.visitField(ACC_PROTECTED, PERSISTENCE_FIELDNAME_PREFIX + attribute + PERSISTENCE_FIELDNAME_POSTFIX, VHI_SIGNATURE, null, null);
    // cause the class to use attribute access.
    if (attributeDetails.getGetterMethodName() == null || attributeDetails.getGetterMethodName().equals("") || attributeDetails.weaveTransientFieldValueHolders()) {
        fv.visitAnnotation(JPA_TRANSIENT_DESCRIPTION, true).visitEnd();
        if (isJAXBOnPath()) {
            fv.visitAnnotation(XML_TRANSIENT_DESCRIPTION, true).visitEnd();
        }
    }
    fv.visitEnd();
}

Example 4 with FieldVisitor

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

the class RestDynamicClassWriter method addFields.

@Override
protected void addFields(ClassWriter cw, String parentClassType) {
    super.addFields(cw, parentClassType);
    // protected transient List<RelationshipInfo> _persistence_relationshipInfo;
    FieldVisitor fv = cw.visitField(Opcodes.ACC_PROTECTED | Opcodes.ACC_TRANSIENT, PERSISTENCE_FIELDNAME_PREFIX + "relationshipInfo", LIST_RELATIONSHIP_INFO_SIGNATURE, LIST_RELATIONSHIP_INFO_GENERIC_SIGNATURE, null);
    fv.visitEnd();
    // protected transient Link _persistence_href;
    fv = cw.visitField(Opcodes.ACC_PROTECTED | Opcodes.ACC_TRANSIENT, PERSISTENCE_FIELDNAME_PREFIX + "href", LINK_SIGNATURE, null, null);
    fv.visitEnd();
    // protected transient ItemLinks _persistence_links;
    fv = cw.visitField(Opcodes.ACC_PROTECTED | Opcodes.ACC_TRANSIENT, PERSISTENCE_FIELDNAME_PREFIX + "links", ITEM_LINKS_SIGNATURE, null, null);
    fv.visitEnd();
}

Example 5 with FieldVisitor

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

the class CollectionProxyClassWriter method writeClass.

/**
 *  public class Proxy extends SuperType implements CollectionProxy {
 *      private List<LinkV2> links;
 *
 *      public CollectionProxy(Collection c) {
 *          super();
 *          this.addAll(c);
 *      }
 *
 *      @Override
 *      public List<LinkV2> getLinks() {
 *          return links;
 *      }
 *
 *      @Override
 *      public void setLinks(List<LinkV2> links) {
 *          this.links = links;
 *      }
 *  }
 */
@Override
public byte[] writeClass(DynamicClassLoader loader, String className) {
    final EclipseLinkASMClassWriter cw = new EclipseLinkASMClassWriter(0);
    MethodVisitor mv;
    // public class Proxy extends SuperType implements CollectionProxy
    cw.visit(ACC_PUBLIC + ACC_SUPER, getASMClassName(), null, getASMParentClassName(), new String[] { INTERFACE });
    // private List<LinkV2> links;
    final FieldVisitor fv = cw.visitField(ACC_PRIVATE, "links", "Ljava/util/List;", "Ljava/util/List<Lorg/eclipse/persistence/internal/jpa/rs/metadata/model/LinkV2;>;", null);
    fv.visitEnd();
    // public CollectionProxy(Collection c) {
    // super();
    // this.addAll(c);
    // }
    {
        mv = cw.visitMethod(ACC_PUBLIC, "<init>", "(Ljava/util/Collection;)V", null, null);
        mv.visitCode();
        Label l0 = new Label();
        mv.visitLabel(l0);
        mv.visitLineNumber(15, l0);
        mv.visitVarInsn(ALOAD, 0);
        mv.visitMethodInsn(INVOKESPECIAL, getASMParentClassName(), "<init>", "()V", false);
        Label l1 = new Label();
        mv.visitLabel(l1);
        mv.visitLineNumber(16, l1);
        mv.visitVarInsn(ALOAD, 0);
        mv.visitVarInsn(ALOAD, 1);
        mv.visitMethodInsn(INVOKEVIRTUAL, getASMClassName(), "addAll", "(Ljava/util/Collection;)Z", false);
        mv.visitInsn(POP);
        Label l2 = new Label();
        mv.visitLabel(l2);
        mv.visitLineNumber(17, l2);
        mv.visitInsn(RETURN);
        Label l3 = new Label();
        mv.visitLabel(l3);
        mv.visitLocalVariable("this", "L" + getASMClassName() + ";", null, l0, l3, 0);
        mv.visitLocalVariable("c", "Ljava/util/Collection;", null, l0, l3, 1);
        mv.visitMaxs(2, 2);
        mv.visitEnd();
    }
    // @Override
    // public List<LinkV2> getLinks() {
    // return links;
    // }
    {
        mv = cw.visitMethod(ACC_PUBLIC, "getLinks", "()Ljava/util/List;", "()Ljava/util/List<Lorg/eclipse/persistence/internal/jpa/rs/metadata/model/LinkV2;>;", null);
        mv.visitCode();
        Label l0 = new Label();
        mv.visitLabel(l0);
        mv.visitLineNumber(21, l0);
        mv.visitVarInsn(ALOAD, 0);
        mv.visitFieldInsn(GETFIELD, getASMClassName(), "links", "Ljava/util/List;");
        mv.visitInsn(ARETURN);
        Label l1 = new Label();
        mv.visitLabel(l1);
        mv.visitLocalVariable("this", "L" + getASMClassName() + ";", null, l0, l1, 0);
        mv.visitMaxs(1, 1);
        mv.visitEnd();
    }
    // @Override
    // public void setLinks(List<LinkV2> links) {
    // this.links = links;
    // }
    {
        mv = cw.visitMethod(ACC_PUBLIC, "setLinks", "(Ljava/util/List;)V", "(Ljava/util/List<Lorg/eclipse/persistence/internal/jpa/rs/metadata/model/LinkV2;>;)V", null);
        mv.visitCode();
        Label l0 = new Label();
        mv.visitLabel(l0);
        mv.visitLineNumber(26, l0);
        mv.visitVarInsn(ALOAD, 0);
        mv.visitVarInsn(ALOAD, 1);
        mv.visitFieldInsn(PUTFIELD, getASMClassName(), "links", "Ljava/util/List;");
        Label l1 = new Label();
        mv.visitLabel(l1);
        mv.visitLineNumber(27, l1);
        mv.visitInsn(RETURN);
        Label l2 = new Label();
        mv.visitLabel(l2);
        mv.visitLocalVariable("this", "L" + getASMClassName() + ";", null, l0, l2, 0);
        mv.visitLocalVariable("links", "Ljava/util/List;", "Ljava/util/List<Lorg/eclipse/persistence/internal/jpa/rs/metadata/model/LinkV2;>;", l0, l2, 1);
        mv.visitMaxs(2, 2);
        mv.visitEnd();
    }
    return cw.toByteArray();
}