Examples of javassist.bytecode.AnnotationsAttribute

javassist.bytecode.AnnotationsAttribute
A class representing RuntimeVisibleAnnotations_attribute and RuntimeInvisibleAnnotations_attribute.
To obtain an AnnotationAttribute object, invoke getAttribute(AnnotationsAttribute.visibleTag) in ClassFile, MethodInfo, or FieldInfo. The obtained attribute is a runtime visible annotations attribute. If the parameter is AnnotationAttribute.invisibleTag, then the obtained attribute is a runtime invisible one.
For example,
This code snippet retrieves an annotation of the type Author from the MethodInfo object specified by minfo. Then, it prints the value of name in Author.
If the annotation type Author is annotated by a meta annotation:
Then Author is visible at runtime. Therefore, the third statement of the code snippet above must be changed into:
The attribute tag must be visibleTag instead of invisibleTag.
If the member value of an annotation is not specified, the default value is used as that member value. If so, getMemberValue() in Annotation returns null since the default value is not included in the AnnotationsAttribute. It is included in the AnnotationDefaultAttribute of the method declared in the annotation type.
If you want to record a new AnnotationAttribute object, execute the following snippet:
The last statement is necessary if the class file was produced by Javassist or JDK 1.4. Otherwise, it is not necessary. @see AnnotationDefaultAttribute @see javassist.bytecode.annotation.Annotation

      cf.setVersionToJava5();
      cf.setInterfaces(new String[]{WebAppBootstrap.class.getName()});


      // add @Generated
      ConstPool cp = cf.getConstPool();
      AnnotationsAttribute attr = new AnnotationsAttribute(cp, AnnotationsAttribute.visibleTag);
      attr.setAnnotation(new Annotation(Generated.class.getName(), cp));
      cf.addAttribute(attr);


      // write the file
      cf.write(new DataOutputStream(new FileOutputStream(filename)));

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    private Object[] getAnnotations(boolean ignoreNotFound)
        throws ClassNotFoundException
    {
        ClassFile cf = getClassFile2();
        AnnotationsAttribute ainfo = (AnnotationsAttribute)
                cf.getAttribute(AnnotationsAttribute.invisibleTag);  
        AnnotationsAttribute ainfo2 = (AnnotationsAttribute)
                cf.getAttribute(AnnotationsAttribute.visibleTag);  
        return toAnnotationType(ignoreNotFound, getClassPool(), ainfo, ainfo2);
    }

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    }


    protected void scanClass(ClassFile cf)
    {
        String className = cf.getName();
        AnnotationsAttribute visible = (AnnotationsAttribute) cf.getAttribute(AnnotationsAttribute.visibleTag);
        AnnotationsAttribute invisible = (AnnotationsAttribute) cf.getAttribute(AnnotationsAttribute.invisibleTag);


        if (visible != null)
        {
            populate(visible.getAnnotations(), className);
        }


        if (invisible != null)
        {
            populate(invisible.getAnnotations(), className);
        }
    }

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        for (Object obj : methods)
        {
            MethodInfo method = (MethodInfo) obj;
            if (scanMethodAnnotations)
            {
                AnnotationsAttribute visible = (AnnotationsAttribute) method.getAttribute(AnnotationsAttribute.visibleTag);
                AnnotationsAttribute invisible = (AnnotationsAttribute) method.getAttribute(AnnotationsAttribute.invisibleTag);


                if (visible != null)
                {
                    populate(visible.getAnnotations(), cf.getName());
                }
                if (invisible != null)
                {
                    populate(invisible.getAnnotations(), cf.getName());
                }
            }
            if (scanParameterAnnotations)
            {
                ParameterAnnotationsAttribute paramsVisible = (ParameterAnnotationsAttribute) method.getAttribute(ParameterAnnotationsAttribute.visibleTag);

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        }


        for (Object obj : fields)
        {
            FieldInfo field = (FieldInfo) obj;
            AnnotationsAttribute visible = (AnnotationsAttribute) field.getAttribute(AnnotationsAttribute.visibleTag);
            AnnotationsAttribute invisible = (AnnotationsAttribute) field.getAttribute(AnnotationsAttribute.invisibleTag);


            if (visible != null)
            {
                populate(visible.getAnnotations(), cf.getName());
            }
            if (invisible != null)
            {
                populate(invisible.getAnnotations(), cf.getName());
            }
        }




    }

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  private boolean isAnnotatedWithCustomRunner(CtClass classReference) {
    return isAnnotatedWithGivenAnnotation(classReference, RunWith.class);
  }


  private boolean isAnnotatedWithGivenAnnotation(CtClass classReference, Class<?> givenAnnotation) {
    AnnotationsAttribute annotations = getAnnotationsOfType(visibleTag, classReference);
    if (annotations != null) {
      for (Annotation annotation : annotations.getAnnotations()) {
        if (annotation.getTypeName().equals(givenAnnotation.getName())) {
          return true;
        }
      }
    }

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  private boolean isTestNGTestMethod(CtMethod ctMethod) {
    MethodInfo methodInfo = ctMethod.getMethodInfo2();
    List<?> attributes = methodInfo.getAttributes();
    for (Object attribute : attributes) {
      if (attribute instanceof AnnotationsAttribute) {
        AnnotationsAttribute annotations = (AnnotationsAttribute) attribute;
        for (Annotation each : annotations.getAnnotations()) {
          if (org.testng.annotations.Test.class.getName().equals(each.getTypeName())) {
            return true;
          }
        }
      }

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  private boolean isJUnit4TestMethod(CtMethod ctMethod) {
    MethodInfo methodInfo = ctMethod.getMethodInfo2();
    List<?> attributes = methodInfo.getAttributes();
    for (Object attribute : attributes) {
      if (attribute instanceof AnnotationsAttribute) {
        AnnotationsAttribute annotations = (AnnotationsAttribute) attribute;
        for (Annotation each : annotations.getAnnotations()) {
          if (Test.class.getName().equals(each.getTypeName())) {
            return true;
          }
        }
      }

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    ClassFile ccFile = cc.getClassFile();
    ConstPool constpool = ccFile.getConstPool();
    // 1.2.1] Create an annotation for the class
    
    AnnotationsAttribute attrClass = new AnnotationsAttribute(constpool, AnnotationsAttribute.visibleTag);
    
    // 1.2.1.1] Entity
    Annotation annotEntity = new Annotation("javax.persistence.Entity", constpool);
    attrClass.addAnnotation(annotEntity);
    
    // 1.2.1.2] Table info
    Annotation annotTable = new Annotation("javax.persistence.Table", constpool);
    annotTable.addMemberValue("name", new StringMemberValue("TEST_CLASS", ccFile.getConstPool()));
    annotTable.addMemberValue("schema", new StringMemberValue("KunderaTest@mongoPU", ccFile.getConstPool()));    
    attrClass.addAnnotation(annotTable);
    
    // 1.2.1.3] Attach the annotation to the class
    
    ccFile.addAttribute(attrClass);
    
    // 1.2.2] Create an annotation for the field     
    
    // 1.2.2.1] Annotation Id
    AnnotationsAttribute attrIdField = new AnnotationsAttribute(constpool, AnnotationsAttribute.visibleTag);
    
    Annotation annotId = new Annotation("javax.persistence.Id", constpool);
    attrIdField.addAnnotation(annotId);
    idField.getFieldInfo().addAttribute(attrIdField);
    
    // 1.2.2.2] Annotation Column (name="testField")
    AnnotationsAttribute attrTestField = new AnnotationsAttribute(constpool, AnnotationsAttribute.visibleTag);
    
    Annotation annotCol = new Annotation("javax.persistence.Column", constpool);
    annotCol.addMemberValue("name", new StringMemberValue("TEST_FIELD", ccFile.getConstPool()));
    attrTestField.addAnnotation(annotCol);
    testField.getFieldInfo().addAttribute(attrTestField);
    
    if (null != testField2) {
      AnnotationsAttribute attrTestField2 = new AnnotationsAttribute(constpool, AnnotationsAttribute.visibleTag);
      
      Annotation annotCol2 = new Annotation("javax.persistence.Column", constpool);
      annotCol.addMemberValue("name", new StringMemberValue("TEST_FIELD2", ccFile.getConstPool()));
      attrTestField2.addAnnotation(annotCol2);
      testField2.getFieldInfo().addAttribute(attrTestField2);
    }
    
    // 1.3] Add methods

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                    List<Boolean> renames = new ArrayList<Boolean>();
                    check: {
                        while(itr.hasNext()) {
                            Object object = itr.next();
                            if (AnnotationsAttribute.class.isAssignableFrom(object.getClass())) {
                                AnnotationsAttribute attr = (AnnotationsAttribute) object;
                                Annotation[] items = attr.getAnnotations();
                                for (Annotation annotation : items) {
                                    String typeName = annotation.getTypeName();
                                    if (typeName.equals(DirectCopyTransform.class.getName())) {
                                        ArrayMemberValue arrayMember = (ArrayMemberValue) annotation.getMemberValue("value");
                                        for (MemberValue arrayMemberValue : arrayMember.getValue()) {

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