Examples with PsiModifierList com.intellij.psi.PsiModifierList used on opensource projects

Example 36 with PsiModifierList

use of com.intellij.psi.PsiModifierList in project google-cloud-intellij by GoogleCloudPlatform.

the class ResourceParameterInspection method buildVisitor.

@NotNull
@Override
public PsiElementVisitor buildVisitor(@NotNull final ProblemsHolder holder, boolean isOnTheFly) {
    return new EndpointPsiElementVisitor() {

        private int resourceParameterCount = 0;

        @Override
        public void visitMethod(PsiMethod method) {
            if (!EndpointUtilities.isEndpointClass(method)) {
                return;
            }
            if (method.isConstructor()) {
                return;
            }
            // Check if method is public or non-static
            if (!EndpointUtilities.isApiMethod(method)) {
                return;
            }
            Project project;
            try {
                project = method.getContainingFile().getProject();
                if (project == null) {
                    return;
                }
            } catch (PsiInvalidElementAccessException ex) {
                LOG.error("Error getting project with parameter " + method.getText(), ex);
                return;
            }
            resourceParameterCount = 0;
            for (PsiParameter param : method.getParameterList().getParameters()) {
                validateMethodParameters(param, project);
            }
            // Check that there is no more than one resource (entity) parameter for this method.
            if (resourceParameterCount > 1) {
                holder.registerProblem(method, "Multiple entity parameters. There can only be a single entity parameter per method.", LocalQuickFix.EMPTY_ARRAY);
            }
        }

        private void validateMethodParameters(PsiParameter psiParameter, Project project) {
            // Check if parameter is of entity (resource) type which is not of parameter type or
            // injected type.
            PsiType type = psiParameter.getType();
            if (!isEntityParameter(type, project)) {
                return;
            }
            // Update count of resource (entity) parameters for this method
            resourceParameterCount++;
            // Check that parameter is not a collection or an array
            if (type instanceof PsiArrayType || isCollectionType(type, project)) {
                holder.registerProblem(psiParameter, "Illegal parameter type (\'" + psiParameter.getType().getPresentableText() + "\'). Arrays or collections of entity types are not allowed.", LocalQuickFix.EMPTY_ARRAY);
            }
            // Check that parameter does not have an @Named annotation
            PsiModifierList modifierList = psiParameter.getModifierList();
            PsiAnnotation annotation = modifierList.findAnnotation("javax.inject.Named");
            if (annotation == null) {
                annotation = modifierList.findAnnotation(GctConstants.APP_ENGINE_ANNOTATION_NAMED);
                if (annotation == null) {
                    return;
                }
            }
            holder.registerProblem(psiParameter, "Bad parameter name. Parameter is entity (resource)" + " type and should not be named.", LocalQuickFix.EMPTY_ARRAY);
        }
    };
}

Example 37 with PsiModifierList

use of com.intellij.psi.PsiModifierList in project google-cloud-intellij by GoogleCloudPlatform.

the class RestSignatureInspection method getResourceProperty.

@Nullable
private String getResourceProperty(PsiMethod psiMethod) {
    PsiClass psiClass = psiMethod.getContainingClass();
    PsiModifierList modifierList = psiClass.getModifierList();
    String resource = null;
    if (modifierList == null) {
        return null;
    }
    // Get @ApiClass's resource attribute if it exists
    for (PsiAnnotation annotation : modifierList.getAnnotations()) {
        try {
            resource = getAttributeFromAnnotation(annotation, GctConstants.APP_ENGINE_ANNOTATION_API_CLASS, "resource");
        } catch (InvalidAnnotationException ex) {
        // do nothing
        } catch (MissingAttributeException ex) {
            break;
        }
        // resource attribute is "" by default
        if (resource != null && !resource.isEmpty()) {
            return resource;
        }
    }
    // Get @Api's resource attribute if it exists
    for (PsiAnnotation annotation : modifierList.getAnnotations()) {
        try {
            resource = getAttributeFromAnnotation(annotation, GctConstants.APP_ENGINE_ANNOTATION_API, "resource");
        } catch (InvalidAnnotationException ex) {
        // do nothing
        } catch (MissingAttributeException ex) {
            break;
        }
        if (resource != null) {
            // resource attribute is "" by default
            if (resource.isEmpty()) {
                break;
            } else {
                return resource;
            }
        }
    }
    return null;
}

Example 38 with PsiModifierList

use of com.intellij.psi.PsiModifierList in project google-cloud-intellij by GoogleCloudPlatform.

the class EndpointPsiElementVisitor method getNamedAnnotationValue.

/**
 * Returns the value for @Named if it exists for <code>psiParameter</code> or null if it does not
 * exist.
 *
 * @param psiParameter The parameter whose @Named value is to be returned.
 * @return The @Named value if it exists for <code>psiParameter</code> or null if it does not
 *     exist.
 */
@Nullable
public PsiAnnotationMemberValue getNamedAnnotationValue(PsiParameter psiParameter) {
    PsiModifierList modifierList = psiParameter.getModifierList();
    if (modifierList == null) {
        return null;
    }
    PsiAnnotation annotation = modifierList.findAnnotation("javax.inject.Named");
    if (annotation == null) {
        annotation = modifierList.findAnnotation(GctConstants.APP_ENGINE_ANNOTATION_NAMED);
        if (annotation == null) {
            return null;
        }
    }
    PsiNameValuePair[] nameValuePairs = annotation.getParameterList().getAttributes();
    if (nameValuePairs.length != 1) {
        return null;
    }
    if (nameValuePairs[0] == null) {
        return null;
    }
    return nameValuePairs[0].getValue();
}

Example 39 with PsiModifierList

use of com.intellij.psi.PsiModifierList in project google-cloud-intellij by GoogleCloudPlatform.

the class EndpointPsiElementVisitor method hasTransformer.

/**
 * Returns true if the class containing <code>psiElement</code> has a transformer specified by
 * using the @ApiTransformer annotation on a class or by using the transformer attribute of the
 *
 * @return True if the class containing <code>psiElement</code> has a transformer and false
 *     otherwise. @Api annotation. Returns false otherwise.
 */
public boolean hasTransformer(PsiElement psiElement) {
    PsiClass psiClass = PsiUtils.findClass(psiElement);
    if (psiClass == null) {
        return false;
    }
    PsiModifierList modifierList = psiClass.getModifierList();
    if (modifierList == null) {
        return false;
    }
    // Check if class has @ApiTransformer to specify a transformer
    PsiAnnotation apiTransformerAnnotation = modifierList.findAnnotation(GctConstants.APP_ENGINE_ANNOTATION_API_TRANSFORMER);
    if (apiTransformerAnnotation != null) {
        return true;
    }
    // Check if class utilizes the transformer attribute of the @Api annotation
    // to specify its transformer
    PsiAnnotation apiAnnotation = modifierList.findAnnotation(GctConstants.APP_ENGINE_ANNOTATION_API);
    if (apiAnnotation != null) {
        PsiAnnotationMemberValue transformerMember = apiAnnotation.findAttributeValue(API_TRANSFORMER_ATTRIBUTE);
        if (transformerMember != null && !transformerMember.getText().equals("{}")) {
            return true;
        }
    }
    return false;
}

Example 40 with PsiModifierList

use of com.intellij.psi.PsiModifierList in project google-cloud-intellij by GoogleCloudPlatform.

the class ApiParameterInspection method hasParameterName.

private boolean hasParameterName(PsiParameter psiParameter) {
    PsiModifierList modifierList = psiParameter.getModifierList();
    if (modifierList == null) {
        return false;
    }
    PsiAnnotation annotation = modifierList.findAnnotation("javax.inject.Named");
    if (annotation != null) {
        return true;
    }
    annotation = modifierList.findAnnotation(GctConstants.APP_ENGINE_ANNOTATION_NAMED);
    if (annotation != null) {
        return true;
    }
    return false;
}