Package org.aspectj.apache.bcel.classfile.annotation

Examples of org.aspectj.apache.bcel.classfile.annotation.NameValuePair


   */
  private static boolean handleAroundAnnotation(RuntimeAnnos runtimeAnnotations, AjAttributeMethodStruct struct,
      ResolvedPointcutDefinition preResolvedPointcut) {
    AnnotationGen around = getAnnotation(runtimeAnnotations, AjcMemberMaker.AROUND_ANNOTATION);
    if (around != null) {
      NameValuePair aroundAdvice = getAnnotationElement(around, VALUE);
      if (aroundAdvice != null) {
        // this/target/args binding
        String argumentNames = getArgNamesValue(around);
        if (argumentNames != null) {
          struct.unparsedArgumentNames = argumentNames;
        }
        FormalBinding[] bindings = new org.aspectj.weaver.patterns.FormalBinding[0];
        try {
          bindings = extractBindings(struct);
        } catch (UnreadableDebugInfoException unreadableDebugInfoException) {
          return false;
        }
        IScope binding = new BindingScope(struct.enclosingType, struct.context, bindings);

        // joinpoint, staticJoinpoint binding
        int extraArgument = extractExtraArgument(struct.method);

        Pointcut pc = null;
        if (preResolvedPointcut != null) {
          pc = preResolvedPointcut.getPointcut();
        } else {
          pc = parsePointcut(aroundAdvice.getValue().stringifyValue(), struct, false);
          if (pc == null) {
            return false;// parse error
          }
          pc.resolve(binding);
        }
View Full Code Here


  private static boolean handlePointcutAnnotation(RuntimeAnnos runtimeAnnotations, AjAttributeMethodStruct struct) {
    AnnotationGen pointcut = getAnnotation(runtimeAnnotations, AjcMemberMaker.POINTCUT_ANNOTATION);
    if (pointcut == null) {
      return false;
    }
    NameValuePair pointcutExpr = getAnnotationElement(pointcut, VALUE);

    // semantic check: the method must return void, or be
    // "public static boolean" for if() support
    if (!(Type.VOID.equals(struct.method.getReturnType()) || (Type.BOOLEAN.equals(struct.method.getReturnType())
        && struct.method.isStatic() && struct.method.isPublic()))) {
      reportWarning("Found @Pointcut on a method not returning 'void' or not 'public static boolean'", struct);
      // no need to stop
    }

    // semantic check: the method must not throw anything
    if (struct.method.getExceptionTable() != null) {
      reportWarning("Found @Pointcut on a method throwing exception", struct);
      // no need to stop
    }

    String argumentNames = getArgNamesValue(pointcut);
    if (argumentNames != null) {
      struct.unparsedArgumentNames = argumentNames;
    }
    // this/target/args binding
    final IScope binding;
    try {
      if (struct.method.isAbstract()) {
        binding = null;
      } else {
        binding = new BindingScope(struct.enclosingType, struct.context, extractBindings(struct));
      }
    } catch (UnreadableDebugInfoException e) {
      return false;
    }

    UnresolvedType[] argumentTypes = new UnresolvedType[struct.method.getArgumentTypes().length];
    for (int i = 0; i < argumentTypes.length; i++) {
      argumentTypes[i] = UnresolvedType.forSignature(struct.method.getArgumentTypes()[i].getSignature());
    }

    Pointcut pc = null;
    if (struct.method.isAbstract()) {
      if ((pointcutExpr != null && isNullOrEmpty(pointcutExpr.getValue().stringifyValue())) || pointcutExpr == null) {
        // abstract pointcut
        // leave pc = null
      } else {
        reportError("Found defined @Pointcut on an abstract method", struct);
        return false;// stop
      }
    } else {
      if (pointcutExpr == null || isNullOrEmpty(pointcutExpr.getValue().stringifyValue())) {
        // the matches nothing pointcut (125475/125480) - perhaps not as
        // cleanly supported as it could be.
      } else {
        // if (pointcutExpr != null) {
        // use a LazyResolvedPointcutDefinition so that the pointcut is
        // resolved lazily
        // since for it to be resolved, we will need other pointcuts to
        // be registered as well
        pc = parsePointcut(pointcutExpr.getValue().stringifyValue(), struct, true);
        if (pc == null) {
          return false;// parse error
        }
        pc.setLocation(struct.context, -1, -1);// FIXME AVASM !! bMethod
        // is null here..
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  private static boolean handleDeclareErrorOrWarningAnnotation(AsmManager model, RuntimeAnnos runtimeAnnotations,
      AjAttributeFieldStruct struct) {
    AnnotationGen error = getAnnotation(runtimeAnnotations, AjcMemberMaker.DECLAREERROR_ANNOTATION);
    boolean hasError = false;
    if (error != null) {
      NameValuePair declareError = getAnnotationElement(error, VALUE);
      if (declareError != null) {
        if (!STRING_DESC.equals(struct.field.getSignature()) || struct.field.getConstantValue() == null) {
          reportError("@DeclareError used on a non String constant field", struct);
          return false;
        }
        Pointcut pc = parsePointcut(declareError.getValue().stringifyValue(), struct, false);
        if (pc == null) {
          hasError = false;// cannot parse pointcut
        } else {
          DeclareErrorOrWarning deow = new DeclareErrorOrWarning(true, pc, struct.field.getConstantValue().toString());
          setDeclareErrorOrWarningLocation(model, deow, struct);
          struct.ajAttributes.add(new AjAttribute.DeclareAttribute(deow));
          hasError = true;
        }
      }
    }
    AnnotationGen warning = getAnnotation(runtimeAnnotations, AjcMemberMaker.DECLAREWARNING_ANNOTATION);
    boolean hasWarning = false;
    if (warning != null) {
      NameValuePair declareWarning = getAnnotationElement(warning, VALUE);
      if (declareWarning != null) {
        if (!STRING_DESC.equals(struct.field.getSignature()) || struct.field.getConstantValue() == null) {
          reportError("@DeclareWarning used on a non String constant field", struct);
          return false;
        }
        Pointcut pc = parsePointcut(declareWarning.getValue().stringifyValue(), struct, false);
        if (pc == null) {
          hasWarning = false;// cannot parse pointcut
        } else {
          DeclareErrorOrWarning deow = new DeclareErrorOrWarning(false, pc, struct.field.getConstantValue().toString());
          setDeclareErrorOrWarningLocation(model, deow, struct);
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          Collections.<NameValuePair> emptyList(), true, cg.getConstantPool());
      cg.addAnnotation(ag);
    } else {
      // List elems = new ArrayList();
      List<NameValuePair> elems = new ArrayList<NameValuePair>();
      elems.add(new NameValuePair("value",
          new SimpleElementValue(ElementValue.STRING, cg.getConstantPool(), perclauseString), cg.getConstantPool()));
      AnnotationGen ag = new AnnotationGen(new ObjectType("org/aspectj/lang/annotation/Aspect"), elems, true,
          cg.getConstantPool());
      cg.addAnnotation(ag);
    }
    if (concreteAspect.precedence != null) {
      SimpleElementValue svg = new SimpleElementValue(ElementValue.STRING, cg.getConstantPool(), concreteAspect.precedence);
      List<NameValuePair> elems = new ArrayList<NameValuePair>();
      elems.add(new NameValuePair("value", svg, cg.getConstantPool()));
      AnnotationGen agprec = new AnnotationGen(new ObjectType("org/aspectj/lang/annotation/DeclarePrecedence"), elems, true,
          cg.getConstantPool());
      cg.addAnnotation(agprec);
    }

    // default constructor
    LazyMethodGen init = new LazyMethodGen(Modifier.PUBLIC, Type.VOID, "<init>", EMPTY_TYPES, EMPTY_STRINGS, cg);
    InstructionList cbody = init.getBody();
    cbody.append(InstructionConstants.ALOAD_0);

    cbody.append(cg.getFactory().createInvoke(parentName, "<init>", Type.VOID, EMPTY_TYPES, Constants.INVOKESPECIAL));
    cbody.append(InstructionConstants.RETURN);
    cg.addMethodGen(init);

    for (Iterator<Definition.Pointcut> it = concreteAspect.pointcuts.iterator(); it.hasNext();) {
      Definition.Pointcut abstractPc = (Definition.Pointcut) it.next();
      // TODO AV - respect visibility instead of opening up as public?
      LazyMethodGen mg = new LazyMethodGen(Modifier.PUBLIC, Type.VOID, abstractPc.name, EMPTY_TYPES, EMPTY_STRINGS, cg);
      SimpleElementValue svg = new SimpleElementValue(ElementValue.STRING, cg.getConstantPool(), abstractPc.expression);
      List<NameValuePair> elems = new ArrayList<NameValuePair>();
      elems.add(new NameValuePair("value", svg, cg.getConstantPool()));
      AnnotationGen mag = new AnnotationGen(new ObjectType("org/aspectj/lang/annotation/Pointcut"), elems, true,
          cg.getConstantPool());
      AnnotationAJ max = new BcelAnnotation(mag, world);
      mg.addAnnotation(max);

      InstructionList body = mg.getBody();
      body.append(InstructionConstants.RETURN);
      cg.addMethodGen(mg);
    }

    // Construct any defined declare error/warnings
    if (concreteAspect.deows.size() > 0) {
      int counter = 1;
      for (Definition.DeclareErrorOrWarning deow : concreteAspect.deows) {
        // Building this:
        // @DeclareWarning("call(* javax.sql..*(..)) && !within(org.xyz.daos..*)")
        // static final String aMessage = "Only DAOs should be calling JDBC.";

        FieldGen field = new FieldGen(Modifier.FINAL, ObjectType.STRING, "rule" + (counter++), cg.getConstantPool());
        SimpleElementValue svg = new SimpleElementValue(ElementValue.STRING, cg.getConstantPool(), deow.pointcut);
        List<NameValuePair> elems = new ArrayList<NameValuePair>();
        elems.add(new NameValuePair("value", svg, cg.getConstantPool()));
        AnnotationGen mag = new AnnotationGen(new ObjectType("org/aspectj/lang/annotation/Declare"
            + (deow.isError ? "Error" : "Warning")), elems, true, cg.getConstantPool());
        field.addAnnotation(mag);

        field.setValue(deow.message);
View Full Code Here

   * For the given PointcutAndAdvice build the correct advice annotation.
   */
  private AnnotationAJ buildAdviceAnnotation(LazyClassGen cg, PointcutAndAdvice paa) {
    SimpleElementValue svg = new SimpleElementValue(ElementValue.STRING, cg.getConstantPool(), paa.pointcut);
    List<NameValuePair> elems = new ArrayList<NameValuePair>();
    elems.add(new NameValuePair("value", svg, cg.getConstantPool()));
    AnnotationGen mag = new AnnotationGen(new ObjectType("org/aspectj/lang/annotation/" + paa.adviceKind.toString()), elems,
        true, cg.getConstantPool());
    AnnotationAJ aaj = new BcelAnnotation(mag, world);
    return aaj;
  }
View Full Code Here

        for (int i = annotations.length - 1; i >= 0; i--) {
          AnnotationAJ ax = annotations[i];
          if (ax.getTypeName().equals(UnresolvedType.AT_RETENTION.getName())) {
            List<NameValuePair> values = ((BcelAnnotation) ax).getBcelAnnotation().getValues();
            for (Iterator<NameValuePair> it = values.iterator(); it.hasNext();) {
              NameValuePair element = it.next();
              EnumElementValue v = (EnumElementValue) element.getValue();
              retentionPolicy = v.getEnumValueString();
              return retentionPolicy;
            }
          }
        }
View Full Code Here

  public Set<String> getTargets() {
    if (!type.equals(UnresolvedType.AT_TARGET)) {
      return Collections.emptySet();
    }
    List<NameValuePair> values = bcelAnnotation.getValues();
    NameValuePair envp = values.get(0);
    ArrayElementValue aev = (ArrayElementValue) envp.getValue();
    ElementValue[] evs = aev.getElementValuesArray();
    Set<String> targets = new HashSet<String>();
    for (int i = 0; i < evs.length; i++) {
      EnumElementValue ev = (EnumElementValue) evs[i];
      targets.add(ev.getEnumValueString());
View Full Code Here

          return false;
        }
        extendsAspect = struct.enclosingType.getSuperclass().isAspect();
      }

      NameValuePair aspectPerClause = getAnnotationElement(aspect, VALUE);
      final PerClause perClause;
      if (aspectPerClause == null) {
        // empty value means singleton unless inherited
        if (!extendsAspect) {
          perClause = new PerSingleton();
        } else {
          perClause = new PerFromSuper(struct.enclosingType.getSuperclass().getPerClause().getKind());
        }
      } else {
        String perX = aspectPerClause.getValue().stringifyValue();
        if (perX == null || perX.length() <= 0) {
          perClause = new PerSingleton();
        } else {
          perClause = parsePerClausePointcut(perX, struct);
        }
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   * @return true if found
   */
  private static boolean handlePrecedenceAnnotation(RuntimeAnnos runtimeAnnotations, AjAttributeStruct struct) {
    AnnotationGen aspect = getAnnotation(runtimeAnnotations, AjcMemberMaker.DECLAREPRECEDENCE_ANNOTATION);
    if (aspect != null) {
      NameValuePair precedence = getAnnotationElement(aspect, VALUE);
      if (precedence != null) {
        String precedencePattern = precedence.getValue().stringifyValue();
        PatternParser parser = new PatternParser(precedencePattern);
        DeclarePrecedence ajPrecedence = parser.parseDominates();
        struct.ajAttributes.add(new AjAttribute.DeclareAttribute(ajPrecedence));
        return true;
      }
View Full Code Here

    // ResolvedPointcutDefinition
    // preResolvedPointcut)
    // {
    AnnotationGen decp = getAnnotation(runtimeAnnotations, AjcMemberMaker.DECLAREPARENTS_ANNOTATION);
    if (decp != null) {
      NameValuePair decpPatternNVP = getAnnotationElement(decp, VALUE);
      String decpPattern = decpPatternNVP.getValue().stringifyValue();
      if (decpPattern != null) {
        TypePattern typePattern = parseTypePattern(decpPattern, struct);
        ResolvedType fieldType = UnresolvedType.forSignature(struct.field.getSignature()).resolve(
            struct.enclosingType.getWorld());
        if (fieldType.isInterface()) {
          TypePattern parent = parseTypePattern(fieldType.getName(), struct);
          FormalBinding[] bindings = new org.aspectj.weaver.patterns.FormalBinding[0];
          IScope binding = new BindingScope(struct.enclosingType, struct.context, bindings);
          // first add the declare implements like
          List<TypePattern> parents = new ArrayList<TypePattern>(1);
          parents.add(parent);
          DeclareParents dp = new DeclareParents(typePattern, parents, false);
          dp.resolve(binding); // resolves the parent and child parts
          // of the decp

          // resolve this so that we can use it for the
          // MethodDelegateMungers below.
          // eg. '@Coloured *' will change from a WildTypePattern to
          // an 'AnyWithAnnotationTypePattern' after this
          // resolution
          typePattern = typePattern.resolveBindings(binding, Bindings.NONE, false, false);
          // TODO kick ISourceLocation sl =
          // struct.bField.getSourceLocation(); ??
          // dp.setLocation(dp.getDeclaringType().getSourceContext(),
          // dp.getDeclaringType().getSourceLocation().getOffset(),
          // dp.getDeclaringType().getSourceLocation().getOffset());
          dp.setLocation(struct.context, -1, -1); // not ideal...
          struct.ajAttributes.add(new AjAttribute.DeclareAttribute(dp));

          // do we have a defaultImpl=xxx.class (ie implementation)
          String defaultImplClassName = null;
          NameValuePair defaultImplNVP = getAnnotationElement(decp, "defaultImpl");
          if (defaultImplNVP != null) {
            ClassElementValue defaultImpl = (ClassElementValue) defaultImplNVP.getValue();
            defaultImplClassName = UnresolvedType.forSignature(defaultImpl.getClassString()).getName();
            if (defaultImplClassName.equals("org.aspectj.lang.annotation.DeclareParents")) {
              defaultImplClassName = null;
            } else {
              // check public no arg ctor
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