Examples with AnnotationVisitor org.mvel2.asm.AnnotationVisitor used on opensource projects

Example 21 with AnnotationVisitor

use of org.mvel2.asm.AnnotationVisitor in project mvel by mvel.

the class MethodNode method accept.

/**
 * Makes the given method visitor visit this method.
 *
 * @param mv
 *            a method visitor.
 */
public void accept(final MethodVisitor mv) {
    // visits the method parameters
    int i, j, n;
    n = parameters == null ? 0 : parameters.size();
    for (i = 0; i < n; i++) {
        ParameterNode parameter = parameters.get(i);
        mv.visitParameter(parameter.name, parameter.access);
    }
    // visits the method attributes
    if (annotationDefault != null) {
        AnnotationVisitor av = mv.visitAnnotationDefault();
        AnnotationNode.accept(av, null, annotationDefault);
        if (av != null) {
            av.visitEnd();
        }
    }
    n = visibleAnnotations == null ? 0 : visibleAnnotations.size();
    for (i = 0; i < n; ++i) {
        AnnotationNode an = visibleAnnotations.get(i);
        an.accept(mv.visitAnnotation(an.desc, true));
    }
    n = invisibleAnnotations == null ? 0 : invisibleAnnotations.size();
    for (i = 0; i < n; ++i) {
        AnnotationNode an = invisibleAnnotations.get(i);
        an.accept(mv.visitAnnotation(an.desc, false));
    }
    n = visibleTypeAnnotations == null ? 0 : visibleTypeAnnotations.size();
    for (i = 0; i < n; ++i) {
        TypeAnnotationNode an = visibleTypeAnnotations.get(i);
        an.accept(mv.visitTypeAnnotation(an.typeRef, an.typePath, an.desc, true));
    }
    n = invisibleTypeAnnotations == null ? 0 : invisibleTypeAnnotations.size();
    for (i = 0; i < n; ++i) {
        TypeAnnotationNode an = invisibleTypeAnnotations.get(i);
        an.accept(mv.visitTypeAnnotation(an.typeRef, an.typePath, an.desc, false));
    }
    n = visibleParameterAnnotations == null ? 0 : visibleParameterAnnotations.length;
    for (i = 0; i < n; ++i) {
        List<?> l = visibleParameterAnnotations[i];
        if (l == null) {
            continue;
        }
        for (j = 0; j < l.size(); ++j) {
            AnnotationNode an = (AnnotationNode) l.get(j);
            an.accept(mv.visitParameterAnnotation(i, an.desc, true));
        }
    }
    n = invisibleParameterAnnotations == null ? 0 : invisibleParameterAnnotations.length;
    for (i = 0; i < n; ++i) {
        List<?> l = invisibleParameterAnnotations[i];
        if (l == null) {
            continue;
        }
        for (j = 0; j < l.size(); ++j) {
            AnnotationNode an = (AnnotationNode) l.get(j);
            an.accept(mv.visitParameterAnnotation(i, an.desc, false));
        }
    }
    if (visited) {
        instructions.resetLabels();
    }
    n = attrs == null ? 0 : attrs.size();
    for (i = 0; i < n; ++i) {
        mv.visitAttribute(attrs.get(i));
    }
    // visits the method's code
    if (instructions.size() > 0) {
        mv.visitCode();
        // visits try catch blocks
        n = tryCatchBlocks == null ? 0 : tryCatchBlocks.size();
        for (i = 0; i < n; ++i) {
            tryCatchBlocks.get(i).updateIndex(i);
            tryCatchBlocks.get(i).accept(mv);
        }
        // visits instructions
        instructions.accept(mv);
        // visits local variables
        n = localVariables == null ? 0 : localVariables.size();
        for (i = 0; i < n; ++i) {
            localVariables.get(i).accept(mv);
        }
        // visits local variable annotations
        n = visibleLocalVariableAnnotations == null ? 0 : visibleLocalVariableAnnotations.size();
        for (i = 0; i < n; ++i) {
            visibleLocalVariableAnnotations.get(i).accept(mv, true);
        }
        n = invisibleLocalVariableAnnotations == null ? 0 : invisibleLocalVariableAnnotations.size();
        for (i = 0; i < n; ++i) {
            invisibleLocalVariableAnnotations.get(i).accept(mv, false);
        }
        // visits maxs
        mv.visitMaxs(maxStack, maxLocals);
        visited = true;
    }
    mv.visitEnd();
}

Example 22 with AnnotationVisitor

use of org.mvel2.asm.AnnotationVisitor in project drools by kiegroup.

the class TraitClassBuilderImpl method buildClass.

public byte[] buildClass(ClassDefinition classDef, ClassLoader classLoader) {
    init(classDef);
    ClassWriter cw = null;
    try {
        String cName = BuildUtils.getInternalType(classDef.getClassName());
        String genericTypes = BuildUtils.getGenericTypes(classDef.getInterfaces());
        String superType = Type.getInternalName(Object.class);
        String[] intfaces = null;
        if (Object.class.getName().equals(classDef.getSuperClass())) {
            String[] tmp = BuildUtils.getInternalTypes(classDef.getInterfaces());
            intfaces = new String[tmp.length + 2];
            System.arraycopy(tmp, 0, intfaces, 0, tmp.length);
            intfaces[tmp.length] = Type.getInternalName(Serializable.class);
            intfaces[tmp.length + 1] = Type.getInternalName(GeneratedFact.class);
        } else {
            String[] tmp = BuildUtils.getInternalTypes(classDef.getInterfaces());
            intfaces = new String[tmp.length + 3];
            System.arraycopy(tmp, 0, intfaces, 0, tmp.length);
            intfaces[tmp.length] = BuildUtils.getInternalType(classDef.getSuperClass());
            intfaces[tmp.length + 1] = Type.getInternalName(Serializable.class);
            intfaces[tmp.length + 2] = Type.getInternalName(GeneratedFact.class);
        }
        cw = createClassWriter(classLoader, ACC_PUBLIC + ACC_ABSTRACT + ACC_INTERFACE, cName, genericTypes, superType, intfaces);
        {
            if (classDef.getDefinedClass() == null || classDef.getDefinedClass().getAnnotation(Trait.class) == null) {
                AnnotationVisitor av0 = cw.visitAnnotation(Type.getDescriptor(Trait.class), true);
                for (AnnotationDefinition adef : classDef.getAnnotations()) {
                    if (Trait.class.getName().equals(adef.getName())) {
                        addAnnotationAttribute(adef, av0);
                        break;
                    }
                }
                av0.visitEnd();
            }
        }
        for (FieldDefinition field : classDef.getFieldsDefinitions()) {
            buildField(cw, field);
        }
        finalizeCreation(classDef);
        cw.visitEnd();
    } catch (Exception e) {
        e.printStackTrace();
    }
    return cw.toByteArray();
}

Example 23 with AnnotationVisitor

use of org.mvel2.asm.AnnotationVisitor in project drools by kiegroup.

the class DefaultBeanClassBuilder method buildFieldAnnotations.

protected void buildFieldAnnotations(FieldDefinition fieldDef, FieldVisitor fv) {
    if (fieldDef.getAnnotations() != null) {
        for (AnnotationDefinition ad : fieldDef.getAnnotations()) {
            AnnotationVisitor av = fv.visitAnnotation("L" + BuildUtils.getInternalType(ad.getName()) + ";", true);
            addAnnotationAttribute(ad, av);
            av.visitEnd();
        }
    }
}

Example 24 with AnnotationVisitor

use of org.mvel2.asm.AnnotationVisitor in project drools by kiegroup.

the class DefaultBeanClassBuilder method addAnnotationAttribute.

public static void addAnnotationAttribute(AnnotationDefinition ad, AnnotationVisitor av) {
    for (String key : ad.getValues().keySet()) {
        AnnotationDefinition.AnnotationPropertyVal apv = ad.getValues().get(key);
        switch(apv.getValType()) {
            case STRINGARRAY:
                AnnotationVisitor subAv = av.visitArray(apv.getProperty());
                Object[] array = (Object[]) apv.getValue();
                for (Object o : array) {
                    subAv.visit(null, o);
                }
                subAv.visitEnd();
                break;
            case PRIMARRAY:
                av.visit(apv.getProperty(), apv.getValue());
                break;
            case ENUMARRAY:
                AnnotationVisitor subEnav = av.visitArray(apv.getProperty());
                Enum[] enArray = (Enum[]) apv.getValue();
                String aenumType = "L" + BuildUtils.getInternalType(enArray[0].getClass().getName()) + ";";
                for (Enum enumer : enArray) {
                    subEnav.visitEnum(null, aenumType, enumer.name());
                }
                subEnav.visitEnd();
                break;
            case CLASSARRAY:
                AnnotationVisitor subKlav = av.visitArray(apv.getProperty());
                Class[] klarray = (Class[]) apv.getValue();
                for (Class klass : klarray) {
                    subKlav.visit(null, Type.getType("L" + BuildUtils.getInternalType(klass.getName()) + ";"));
                }
                subKlav.visitEnd();
                break;
            case ENUMERATION:
                String enumType = "L" + BuildUtils.getInternalType(apv.getType().getName()) + ";";
                av.visitEnum(apv.getProperty(), enumType, ((Enum) apv.getValue()).name());
                break;
            case KLASS:
                String klassName = BuildUtils.getInternalType(((Class) apv.getValue()).getName());
                av.visit(apv.getProperty(), Type.getType("L" + klassName + ";"));
                break;
            case PRIMITIVE:
                av.visit(apv.getProperty(), apv.getValue());
                break;
            case STRING:
                av.visit(apv.getProperty(), apv.getValue());
                break;
        }
    }
}

Example 25 with AnnotationVisitor

use of org.mvel2.asm.AnnotationVisitor in project drools by kiegroup.

the class DefaultBeanClassBuilder method buildFieldAnnotations.

protected void buildFieldAnnotations(FieldDefinition fieldDef, FieldVisitor fv) {
    if (fieldDef.getAnnotations() != null) {
        for (AnnotationDefinition ad : fieldDef.getAnnotations()) {
            AnnotationVisitor av = fv.visitAnnotation("L" + BuildUtils.getInternalType(ad.getName()) + ";", true);
            addAnnotationAttribute(ad, av);
            av.visitEnd();
        }
    }
}