Examples with ExecutableElement javax.lang.model.element.ExecutableElement used on opensource projects

Example 96 with ExecutableElement

use of javax.lang.model.element.ExecutableElement in project LoganSquare by bluelinelabs.

the class MethodProcessor method isCallbackMethodAnnotationValid.

public boolean isCallbackMethodAnnotationValid(Element element, String annotationName) {
    TypeElement enclosingElement = (TypeElement) element.getEnclosingElement();
    if (enclosingElement.getAnnotation(JsonObject.class) == null) {
        error(enclosingElement, "%s: @%s methods can only be in classes annotated with @%s.", enclosingElement.getQualifiedName(), annotationName, JsonObject.class.getSimpleName());
        return false;
    }
    ExecutableElement executableElement = (ExecutableElement) element;
    if (executableElement.getParameters().size() > 0) {
        error(element, "%s: @%s methods must not take any parameters.", enclosingElement.getQualifiedName(), annotationName);
        return false;
    }
    List<? extends Element> allElements = enclosingElement.getEnclosedElements();
    int methodInstances = 0;
    for (Element enclosedElement : allElements) {
        for (AnnotationMirror am : enclosedElement.getAnnotationMirrors()) {
            if (am.getAnnotationType().asElement().getSimpleName().toString().equals(annotationName)) {
                methodInstances++;
            }
        }
    }
    if (methodInstances != 1) {
        error(element, "%s: There can only be one @%s method per class.", enclosingElement.getQualifiedName(), annotationName);
        return false;
    }
    return true;
}

Example 97 with ExecutableElement

use of javax.lang.model.element.ExecutableElement in project LoganSquare by bluelinelabs.

the class OnJsonParseCompleteProcessor method processOnCompleteMethodAnnotation.

private void processOnCompleteMethodAnnotation(Element element, Map<String, JsonObjectHolder> jsonObjectMap, Elements elements) throws Exception {
    if (!isCallbackMethodAnnotationValid(element, OnJsonParseComplete.class.getSimpleName())) {
        return;
    }
    TypeElement enclosingElement = (TypeElement) element.getEnclosingElement();
    ExecutableElement executableElement = (ExecutableElement) element;
    JsonObjectHolder objectHolder = jsonObjectMap.get(TypeUtils.getInjectedFQCN(enclosingElement, elements));
    objectHolder.onCompleteCallback = executableElement.getSimpleName().toString();
}

Example 98 with ExecutableElement

use of javax.lang.model.element.ExecutableElement in project LoganSquare by bluelinelabs.

the class OnPreSerializeProcessor method processOnPreJsonSerializeMethodAnnotation.

private void processOnPreJsonSerializeMethodAnnotation(Element element, Map<String, JsonObjectHolder> jsonObjectMap, Elements elements) throws Exception {
    if (!isCallbackMethodAnnotationValid(element, OnPreJsonSerialize.class.getSimpleName())) {
        return;
    }
    TypeElement enclosingElement = (TypeElement) element.getEnclosingElement();
    ExecutableElement executableElement = (ExecutableElement) element;
    JsonObjectHolder objectHolder = jsonObjectMap.get(TypeUtils.getInjectedFQCN(enclosingElement, elements));
    objectHolder.preSerializeCallback = executableElement.getSimpleName().toString();
}

Example 99 with ExecutableElement

use of javax.lang.model.element.ExecutableElement in project LoganSquare by bluelinelabs.

the class JsonFieldHolder method getGetter.

public static String getGetter(Element element, Elements elements) {
    TypeElement enclosingElement = (TypeElement) element.getEnclosingElement();
    TypeKind elementTypeKind = element.asType().getKind();
    String elementName = element.getSimpleName().toString();
    String elementNameLowerCase = elementName.toLowerCase();
    List<String> possibleMethodNames = new ArrayList<>();
    possibleMethodNames.add("get" + elementNameLowerCase);
    if (elementTypeKind == TypeKind.BOOLEAN) {
        possibleMethodNames.add("is" + elementNameLowerCase);
        possibleMethodNames.add("has" + elementNameLowerCase);
        possibleMethodNames.add(elementNameLowerCase);
    }
    // Handle the case where variables are named in the form mVariableName instead of just variableName
    if (elementName.length() > 1 && elementName.charAt(0) == 'm' && (elementName.charAt(1) >= 'A' && elementName.charAt(1) <= 'Z')) {
        possibleMethodNames.add("get" + elementNameLowerCase.substring(1));
        if (elementTypeKind == TypeKind.BOOLEAN) {
            possibleMethodNames.add("is" + elementNameLowerCase.substring(1));
            possibleMethodNames.add("has" + elementNameLowerCase.substring(1));
            possibleMethodNames.add(elementNameLowerCase.substring(1));
        }
    }
    List<? extends Element> elementMembers = elements.getAllMembers(enclosingElement);
    List<ExecutableElement> elementMethods = ElementFilter.methodsIn(elementMembers);
    for (ExecutableElement methodElement : elementMethods) {
        if (methodElement.getParameters().size() == 0) {
            String methodNameString = methodElement.getSimpleName().toString();
            String methodNameLowerCase = methodNameString.toLowerCase();
            if (possibleMethodNames.contains(methodNameLowerCase)) {
                if (methodElement.getParameters().size() == 0) {
                    if (methodElement.getReturnType().toString().equals(element.asType().toString())) {
                        return methodNameString;
                    }
                }
            }
        }
    }
    return null;
}

Example 100 with ExecutableElement

use of javax.lang.model.element.ExecutableElement in project EventBus by greenrobot.

the class EventBusAnnotationProcessor method writeCreateSubscriberMethods.

private void writeCreateSubscriberMethods(BufferedWriter writer, List<ExecutableElement> methods, String callPrefix, String myPackage) throws IOException {
    for (ExecutableElement method : methods) {
        List<? extends VariableElement> parameters = method.getParameters();
        TypeMirror paramType = getParamTypeMirror(parameters.get(0), null);
        TypeElement paramElement = (TypeElement) processingEnv.getTypeUtils().asElement(paramType);
        String methodName = method.getSimpleName().toString();
        String eventClass = getClassString(paramElement, myPackage) + ".class";
        Subscribe subscribe = method.getAnnotation(Subscribe.class);
        List<String> parts = new ArrayList<>();
        parts.add(callPrefix + "(\"" + methodName + "\",");
        String lineEnd = "),";
        if (subscribe.priority() == 0 && !subscribe.sticky()) {
            if (subscribe.threadMode() == ThreadMode.POSTING) {
                parts.add(eventClass + lineEnd);
            } else {
                parts.add(eventClass + ",");
                parts.add("ThreadMode." + subscribe.threadMode().name() + lineEnd);
            }
        } else {
            parts.add(eventClass + ",");
            parts.add("ThreadMode." + subscribe.threadMode().name() + ",");
            parts.add(subscribe.priority() + ",");
            parts.add(subscribe.sticky() + lineEnd);
        }
        writeLine(writer, 3, parts.toArray(new String[parts.size()]));
        if (verbose) {
            processingEnv.getMessager().printMessage(Diagnostic.Kind.NOTE, "Indexed @Subscribe at " + method.getEnclosingElement().getSimpleName() + "." + methodName + "(" + paramElement.getSimpleName() + ")");
        }
    }
}