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Copy pathValidatorHelper.java
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1122 lines (924 loc) · 48.6 KB
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/**
* Copyright (C) 2010-2013 eBusiness Information, Excilys Group
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed To in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package org.androidannotations.helper;
import static java.util.Arrays.asList;
import static org.androidannotations.helper.AndroidConstants.LOG_DEBUG;
import static org.androidannotations.helper.AndroidConstants.LOG_ERROR;
import static org.androidannotations.helper.AndroidConstants.LOG_INFO;
import static org.androidannotations.helper.AndroidConstants.LOG_VERBOSE;
import static org.androidannotations.helper.AndroidConstants.LOG_WARN;
import static org.androidannotations.helper.CanonicalNameConstants.CLIENT_HTTP_REQUEST_INTERCEPTOR;
import static org.androidannotations.helper.CanonicalNameConstants.HTTP_MESSAGE_CONVERTER;
import static org.androidannotations.helper.CanonicalNameConstants.INTERNET_PERMISSION;
import static org.androidannotations.helper.ModelConstants.GENERATION_SUFFIX;
import static org.androidannotations.helper.ModelConstants.VALID_ENHANCED_COMPONENT_ANNOTATIONS;
import static org.androidannotations.helper.ModelConstants.VALID_ENHANCED_VIEW_SUPPORT_ANNOTATIONS;
import java.lang.annotation.Annotation;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.List;
import java.util.Set;
import javax.lang.model.element.AnnotationMirror;
import javax.lang.model.element.Element;
import javax.lang.model.element.ElementKind;
import javax.lang.model.element.ExecutableElement;
import javax.lang.model.element.Modifier;
import javax.lang.model.element.TypeElement;
import javax.lang.model.element.VariableElement;
import javax.lang.model.type.ArrayType;
import javax.lang.model.type.DeclaredType;
import javax.lang.model.type.ErrorType;
import javax.lang.model.type.TypeKind;
import javax.lang.model.type.TypeMirror;
import javax.lang.model.util.ElementFilter;
import javax.lang.model.util.Elements;
import org.androidannotations.annotations.EActivity;
import org.androidannotations.annotations.EBean;
import org.androidannotations.annotations.EFragment;
import org.androidannotations.annotations.Trace;
import org.androidannotations.annotations.ViewById;
import org.androidannotations.annotations.rest.Delete;
import org.androidannotations.annotations.rest.Get;
import org.androidannotations.annotations.rest.Head;
import org.androidannotations.annotations.rest.Options;
import org.androidannotations.annotations.rest.Post;
import org.androidannotations.annotations.rest.Put;
import org.androidannotations.annotations.rest.Rest;
import org.androidannotations.annotations.sharedpreferences.DefaultBoolean;
import org.androidannotations.annotations.sharedpreferences.DefaultFloat;
import org.androidannotations.annotations.sharedpreferences.DefaultInt;
import org.androidannotations.annotations.sharedpreferences.DefaultLong;
import org.androidannotations.annotations.sharedpreferences.DefaultString;
import org.androidannotations.annotations.sharedpreferences.SharedPref;
import org.androidannotations.api.sharedpreferences.SharedPreferencesHelper;
import org.androidannotations.model.AndroidSystemServices;
import org.androidannotations.model.AnnotationElements;
import org.androidannotations.processing.InstanceStateProcessor;
import org.androidannotations.validation.IsValid;
public class ValidatorHelper {
private static final List<String> ANDROID_FRAGMENT_QUALIFIED_NAMES = asList(CanonicalNameConstants.FRAGMENT, CanonicalNameConstants.SUPPORT_V4_FRAGMENT);
private static final String METHOD_NAME_SET_ROOT_URL = "setRootUrl";
private static final String METHOD_NAME_GET_ROOT_URL = "getRootUrl";
private static final List<String> VALID_PREF_RETURN_TYPES = Arrays.asList("int", "boolean", "float", "long", CanonicalNameConstants.STRING);
private static final List<String> INVALID_PREF_METHOD_NAMES = Arrays.asList("edit", "getSharedPreferences", "clear", "getEditor", "apply");
private static final Collection<Integer> VALID_LOG_LEVELS = Arrays.asList(LOG_VERBOSE, LOG_DEBUG, LOG_INFO, LOG_WARN, LOG_ERROR);
protected final TargetAnnotationHelper annotationHelper;
public final ValidatorParameterHelper param;
private final ThirdPartyLibHelper thirdPartyLibHelper;
public ValidatorHelper(TargetAnnotationHelper targetAnnotationHelper) {
annotationHelper = targetAnnotationHelper;
param = new ValidatorParameterHelper(annotationHelper);
thirdPartyLibHelper = new ThirdPartyLibHelper(annotationHelper);
}
public void isNotFinal(Element element, IsValid valid) {
if (annotationHelper.isFinal(element)) {
valid.invalidate();
annotationHelper.printAnnotationError(element, "%s cannot be used on a final element");
}
}
public void isNotSynchronized(Element element, IsValid valid) {
if (annotationHelper.isSynchronized(element)) {
valid.invalidate();
annotationHelper.printAnnotationError(element, "%s cannot be used on a synchronized element. If you think you shall need to use the synchronized keyword for a specific use case, please post on the mailing list.");
}
}
public void isInterface(TypeElement element, IsValid valid) {
if (!annotationHelper.isInterface(element)) {
valid.invalidate();
annotationHelper.printAnnotationError(element, "%s can only be used on an interface");
}
}
public void isTopLevel(TypeElement element, IsValid valid) {
if (!annotationHelper.isTopLevel(element)) {
valid.invalidate();
annotationHelper.printAnnotationError(element, "%s can only be used on a top level type");
}
}
public void doesNotExtendOtherInterfaces(TypeElement element, IsValid valid) {
if (element.getInterfaces().size() > 0) {
valid.invalidate();
annotationHelper.printAnnotationError(element, "%s can only be used on an interface that does not extend other interfaces");
}
}
public void doesNotReturnPrimitive(ExecutableElement element, IsValid valid) {
if (element.getReturnType().getKind().isPrimitive()) {
valid.invalidate();
annotationHelper.printAnnotationError(element, "%s cannot return primitive");
}
}
public void doesNotReturnArray(ExecutableElement element, IsValid valid) {
if (element.getReturnType().getKind() == TypeKind.ARRAY) {
valid.invalidate();
annotationHelper.printAnnotationError(element, "%s cannot return array");
}
}
public void isNotPrivate(Element element, IsValid valid) {
if (annotationHelper.isPrivate(element)) {
valid.invalidate();
annotationHelper.printAnnotationError(element, "%s cannot be used on a private element");
}
}
public void isPublic(Element element, IsValid valid) {
if (!annotationHelper.isPublic(element)) {
valid.invalidate();
annotationHelper.printAnnotationError(element, "%s cannot be used on a non public element");
}
}
public void enclosingElementHasEBeanAnnotation(Element element, AnnotationElements validatedElements, IsValid valid) {
Element enclosingElement = element.getEnclosingElement();
hasClassAnnotation(element, enclosingElement, validatedElements, EBean.class, valid);
}
public void enclosingElementHasEActivity(Element element, AnnotationElements validatedElements, IsValid valid) {
Element enclosingElement = element.getEnclosingElement();
hasClassAnnotation(element, enclosingElement, validatedElements, EActivity.class, valid);
}
public void enclosingElementHasEActivityOrEFragment(Element element, AnnotationElements validatedElements, IsValid valid) {
Element enclosingElement = element.getEnclosingElement();
@SuppressWarnings("unchecked")
List<Class<? extends Annotation>> validAnnotations = asList(EActivity.class, EFragment.class);
hasOneOfClassAnnotations(element, enclosingElement, validatedElements, validAnnotations, valid);
}
public void enclosingElementHasEFragment(Element element, AnnotationElements validatedElements, IsValid valid) {
Element enclosingElement = element.getEnclosingElement();
hasClassAnnotation(element, enclosingElement, validatedElements, EFragment.class, valid);
}
public void hasEActivity(Element element, AnnotationElements validatedElements, IsValid valid) {
hasClassAnnotation(element, element, validatedElements, EActivity.class, valid);
}
public void hasEActivityOrEFragment(Element element, AnnotationElements validatedElements, IsValid valid) {
@SuppressWarnings("unchecked")
List<Class<? extends Annotation>> validAnnotations = asList(EActivity.class, EFragment.class);
hasOneOfClassAnnotations(element, element, validatedElements, validAnnotations, valid);
}
public void enclosingElementHasEnhancedViewSupportAnnotation(Element element, AnnotationElements validatedElements, IsValid valid) {
Element enclosingElement = element.getEnclosingElement();
hasOneOfClassAnnotations(element, enclosingElement, validatedElements, VALID_ENHANCED_VIEW_SUPPORT_ANNOTATIONS, valid);
}
public void enclosingElementHasEnhancedComponentAnnotation(Element element, AnnotationElements validatedElements, IsValid valid) {
Element enclosingElement = element.getEnclosingElement();
hasOneOfClassAnnotations(element, enclosingElement, validatedElements, VALID_ENHANCED_COMPONENT_ANNOTATIONS, valid);
}
private void hasClassAnnotation(Element reportElement, Element element, AnnotationElements validatedElements, Class<? extends Annotation> validAnnotation, IsValid valid) {
ArrayList<Class<? extends Annotation>> validAnnotations = new ArrayList<Class<? extends Annotation>>();
validAnnotations.add(validAnnotation);
hasOneOfClassAnnotations(reportElement, element, validatedElements, validAnnotations, valid);
}
private void hasOneOfClassAnnotations(Element reportElement, Element element, AnnotationElements validatedElements, List<Class<? extends Annotation>> validAnnotations, IsValid valid) {
boolean foundAnnotation = false;
for (Class<? extends Annotation> validAnnotation : validAnnotations) {
if (element.getAnnotation(validAnnotation) != null) {
Set<? extends Element> layoutAnnotatedElements = validatedElements.getRootAnnotatedElements(validAnnotation.getName());
/*
* This is for the case where the element has the right
* annotation, but that annotation was not validated. We do not
* add any compile error (should already exist on the
* annotation), but we still invalidate this element.
*/
if (!layoutAnnotatedElements.contains(element)) {
valid.invalidate();
}
foundAnnotation = true;
break;
}
}
if (!foundAnnotation) {
valid.invalidate();
annotationHelper.printAnnotationError(reportElement, "%s can only be used in a class annotated with " + getFormattedValidEnhancedBeanAnnotationTypes(validAnnotations) + ".");
}
}
private String getFormattedValidEnhancedBeanAnnotationTypes(List<Class<? extends Annotation>> annotations) {
StringBuilder sb = new StringBuilder();
if (!annotations.isEmpty()) {
sb.append(TargetAnnotationHelper.annotationName(annotations.get(0)));
for (int i = 1; i < annotations.size(); i++) {
sb.append(", ");
sb.append(TargetAnnotationHelper.annotationName(annotations.get(i)));
}
}
return sb.toString();
}
public void hasViewByIdAnnotation(Element element, AnnotationElements validatedElements, IsValid valid) {
String error = "can only be used with annotation";
elementHasAnnotation(ViewById.class, element, validatedElements, valid, error);
}
public void elementHasRestAnnotationOrEnclosingElementHasRestAnnotationAndElementHasMethodRestAnnotation(Element element, AnnotationElements validatedElements, IsValid valid) {
String error = "can only be used in an interface annotated with";
elementHasAnnotation(Rest.class, element, validatedElements, valid, error);
if (!valid.isValid()) {
enclosingElementHasRestAnnotation(element, validatedElements, valid);
elementHasMethodRestAnnotation(element, validatedElements, valid);
}
}
public void elementHasMethodRestAnnotation(Element element, AnnotationElements validatedElements, IsValid valid) {
String error = "can only be used on a method annotated with Rest methods.";
elementHasAnnotationContainsIn(REST_ANNOTATION_CLASSES, element, validatedElements, valid, error);
}
public void enclosingElementHasRestAnnotation(Element element, AnnotationElements validatedElements, IsValid valid) {
String error = "can only be used in an interface annotated with";
enclosingElementHasAnnotation(Rest.class, element, validatedElements, valid, error);
}
public void enclosingElementHasAnnotation(Class<? extends Annotation> annotation, Element element, AnnotationElements validatedElements, IsValid valid, String error) {
Element enclosingElement = element.getEnclosingElement();
elementHasAnnotation(annotation, enclosingElement, validatedElements, valid, error);
}
public void elementHasAnnotation(Class<? extends Annotation> annotation, Element element, AnnotationElements validatedElements, IsValid valid, String error) {
Set<? extends Element> layoutAnnotatedElements = validatedElements.getRootAnnotatedElements(annotation.getName());
if (!layoutAnnotatedElements.contains(element)) {
valid.invalidate();
if (element.getAnnotation(annotation) == null) {
annotationHelper.printAnnotationError(element, "%s " + error + " " + TargetAnnotationHelper.annotationName(annotation));
}
}
}
public void elementHasAnnotationContainsIn(List<Class<? extends Annotation>> annotations, Element element, AnnotationElements validatedElements, IsValid valid, String error) {
boolean isAnnoted = false;
for (Class<? extends Annotation> annotation : annotations) {
if (elementHasAnnotation(annotation, element, validatedElements)) {
isAnnoted = true;
break;
}
}
if (!isAnnoted) {
valid.invalidate();
annotationHelper.printAnnotationError(element, "%s " + error);
}
}
public boolean elementHasAnnotation(Class<? extends Annotation> annotation, Element element, AnnotationElements validatedElements) {
Set<? extends Element> layoutAnnotatedElements = validatedElements.getRootAnnotatedElements(annotation.getName());
return layoutAnnotatedElements.contains(element);
}
public void throwsOnlyRestClientException(ExecutableElement element, IsValid valid) {
List<? extends TypeMirror> thrownTypes = element.getThrownTypes();
if (thrownTypes.size() > 0) {
if (thrownTypes.size() > 1 || !thrownTypes.get(0).toString().equals("org.springframework.web.client.RestClientException")) {
valid.invalidate();
annotationHelper.printAnnotationError(element, "%s annotated methods can only declare throwing a RestClientException");
}
}
}
public void elementHasGetOrPostAnnotation(Element element, AnnotationElements validatedElements, IsValid valid) {
if (!elementHasAnnotation(Get.class, element) && !elementHasAnnotation(Post.class, element)) {
annotationHelper.printAnnotationError(element, "%s can only be used in an interface annotated with Get or Post annotation");
}
}
public void typeHasAnnotation(Class<? extends Annotation> annotation, Element element, IsValid valid) {
TypeMirror elementType = element.asType();
typeHasAnnotation(annotation, elementType, element, valid);
}
public void typeHasAnnotation(Class<? extends Annotation> annotation, TypeMirror elementType, Element reportingElement, IsValid valid) {
Element typeElement = annotationHelper.getTypeUtils().asElement(elementType);
if (!elementHasAnnotationSafe(annotation, typeElement)) {
valid.invalidate();
annotationHelper.printAnnotationError(reportingElement, "%s can only be used on an element annotated with " + TargetAnnotationHelper.annotationName(annotation));
}
}
public void typeOrTargetValueHasAnnotation(Class<? extends Annotation> annotation, Element element, IsValid valid) {
DeclaredType targetAnnotationClassValue = annotationHelper.extractAnnotationClassParameter(element);
if (targetAnnotationClassValue != null) {
typeHasAnnotation(annotation, targetAnnotationClassValue, element, valid);
if (!annotationHelper.getTypeUtils().isAssignable(targetAnnotationClassValue, element.asType())) {
valid.invalidate();
annotationHelper.printAnnotationError(element, "The value of %s must be assignable into the annotated field");
}
} else {
typeHasAnnotation(annotation, element, valid);
}
}
private boolean elementHasAnnotationSafe(Class<? extends Annotation> annotation, Element element) {
List<? extends AnnotationMirror> annotationMirrors = element.getAnnotationMirrors();
for (AnnotationMirror annotationMirror : annotationMirrors) {
if (annotationMirror.getAnnotationType().toString().equals(annotation.getName())) {
return true;
}
}
return false;
}
private boolean elementHasAnnotation(Class<? extends Annotation> annotation, Element element) {
return element.getAnnotation(annotation) != null;
}
public void elementHasRestAnnotation(Element element, AnnotationElements validatedElements, IsValid valid) {
String error = "can only be used in an interface annotated with";
elementHasAnnotation(Rest.class, element, validatedElements, valid, error);
}
public void returnTypeNotGenericUnlessResponseEntity(ExecutableElement element, IsValid valid) {
TypeMirror returnType = element.getReturnType();
TypeKind returnKind = returnType.getKind();
if (returnKind == TypeKind.DECLARED) {
DeclaredType declaredReturnType = (DeclaredType) returnType;
if (!declaredReturnType.toString().startsWith("org.springframework.http.ResponseEntity<") && declaredReturnType.getTypeArguments().size() > 0) {
valid.invalidate();
annotationHelper.printAnnotationError(element, "%s annotated methods cannot return parameterized types, except for ResponseEntity");
}
}
}
public void hasHttpHeadersReturnType(ExecutableElement element, IsValid valid) {
String returnType = element.getReturnType().toString();
if (!returnType.equals("org.springframework.http.HttpHeaders")) {
valid.invalidate();
annotationHelper.printAnnotationError(element, "%s annotated methods can only return a HttpHeaders, not " + returnType);
}
}
public void hasSetOfHttpMethodReturnType(ExecutableElement element, IsValid valid) {
TypeMirror returnType = element.getReturnType();
String returnTypeString = returnType.toString();
if (!returnTypeString.equals("java.util.Set<org.springframework.http.HttpMethod>")) {
valid.invalidate();
annotationHelper.printAnnotationError(element, "%s annotated methods can only return a Set of HttpMethod, not " + returnTypeString);
} else {
DeclaredType declaredType = (DeclaredType) returnType;
List<? extends TypeMirror> typeArguments = declaredType.getTypeArguments();
if (typeArguments.size() != 1) {
valid.invalidate();
annotationHelper.printAnnotationError(element, "%s annotated methods can only return a parameterized Set (with HttpMethod)");
} else {
TypeMirror typeArgument = typeArguments.get(0);
if (!typeArgument.toString().equals("org.springframework.http.HttpMethod")) {
valid.invalidate();
annotationHelper.printAnnotationError(element, "%s annotated methods can only return a parameterized Set of HttpMethod, not " + typeArgument.toString());
}
}
}
}
public void doesntThrowException(Element element, IsValid valid) {
ExecutableElement executableElement = (ExecutableElement) element;
if (executableElement.getThrownTypes().size() > 0) {
valid.invalidate();
annotationHelper.printAnnotationError(element, "%s annotated methods should not declare throwing any exception");
}
}
public void returnTypeIsVoidOrBoolean(ExecutableElement executableElement, IsValid valid) {
TypeMirror returnType = executableElement.getReturnType();
TypeKind returnKind = returnType.getKind();
if (returnKind != TypeKind.BOOLEAN && returnKind != TypeKind.VOID && !returnType.toString().equals(CanonicalNameConstants.BOOLEAN)) {
valid.invalidate();
annotationHelper.printAnnotationError(executableElement, "%s can only be used on a method with a boolean or a void return type");
}
}
public void returnTypeIsVoid(ExecutableElement executableElement, IsValid valid) {
TypeMirror returnType = executableElement.getReturnType();
if (returnType.getKind() != TypeKind.VOID) {
valid.invalidate();
annotationHelper.printAnnotationError(executableElement, "%s can only be used on a method with a void return type");
}
}
public void returnTypeIsNotVoid(ExecutableElement executableElement, IsValid valid) {
TypeMirror returnType = executableElement.getReturnType();
if (returnType.getKind() == TypeKind.VOID) {
valid.invalidate();
annotationHelper.printAnnotationError(executableElement, "%s can only be used on a method with a return type non void");
}
}
public void extendsActivity(Element element, IsValid valid) {
extendsType(element, CanonicalNameConstants.ACTIVITY, valid);
}
public void extendsFragment(Element element, IsValid valid) {
extendsOneOfTypes(element, ANDROID_FRAGMENT_QUALIFIED_NAMES, valid);
}
public void extendsService(Element element, IsValid valid) {
extendsType(element, CanonicalNameConstants.SERVICE, valid);
}
public void extendsReceiver(Element element, IsValid valid) {
extendsType(element, CanonicalNameConstants.BROADCAST_RECEIVER, valid);
}
public void extendsProvider(Element element, IsValid valid) {
extendsType(element, CanonicalNameConstants.CONTENT_PROVIDER, valid);
}
public void extendsView(Element element, IsValid valid) {
extendsType(element, CanonicalNameConstants.VIEW, valid);
}
public void extendsTextView(Element element, IsValid valid) {
extendsType(element, CanonicalNameConstants.TEXT_VIEW, valid);
}
public void extendsViewGroup(Element element, IsValid valid) {
extendsType(element, CanonicalNameConstants.VIEW_GROUP, valid);
}
public void extendsApplication(Element element, IsValid valid) {
extendsType(element, CanonicalNameConstants.APPLICATION, valid);
}
public void extendsContext(Element element, IsValid valid) {
extendsType(element, CanonicalNameConstants.CONTEXT, valid);
}
public void extendsMenuItem(Element element, IsValid valid) {
Element enclosingElement = element.getEnclosingElement();
String enclosingQualifiedName = enclosingElement.asType().toString();
TypeElement enclosingTypeElement = annotationHelper.typeElementFromQualifiedName(enclosingQualifiedName);
if (enclosingTypeElement != null) {
if (thirdPartyLibHelper.usesActionBarSherlock(enclosingTypeElement)) {
extendsType(element, CanonicalNameConstants.SHERLOCK_MENU_ITEM, valid);
} else {
extendsType(element, CanonicalNameConstants.MENU_ITEM, valid);
}
}
}
public void extendsOrmLiteDaoWithValidModelParameter(Element element, IsValid valid) {
TypeMirror elementType = element.asType();
TypeMirror modelTypeMirror = annotationHelper.extractAnnotationParameter(element, "model");
TypeElement daoTypeElement = annotationHelper.typeElementFromQualifiedName(CanonicalNameConstants.DAO);
if (daoTypeElement != null) {
TypeMirror wildcardType = annotationHelper.getTypeUtils().getWildcardType(null, null);
DeclaredType daoParameterizedType = annotationHelper.getTypeUtils().getDeclaredType(daoTypeElement, modelTypeMirror, wildcardType);
// Checks that elementType extends Dao<ModelType, ?>
if (!annotationHelper.isSubtype(elementType, daoParameterizedType)) {
valid.invalidate();
annotationHelper.printAnnotationError(element, "%s can only be used on an element that extends " + daoParameterizedType.toString());
}
}
}
public void hasASqlLiteOpenHelperParameterizedType(Element element, IsValid valid) {
TypeMirror helperType = annotationHelper.extractAnnotationParameter(element, "helper");
TypeMirror openHelperType = annotationHelper.typeElementFromQualifiedName(CanonicalNameConstants.SQLLITE_OPEN_HELPER).asType();
if (!annotationHelper.isSubtype(helperType, openHelperType)) {
valid.invalidate();
annotationHelper.printAnnotationError(element, "%s helper() parameter must extend " + CanonicalNameConstants.SQLLITE_OPEN_HELPER);
}
}
public void applicationRegistered(Element element, AndroidManifest manifest, IsValid valid) {
if (manifest.isLibraryProject()) {
return;
}
String applicationClassName = manifest.getApplicationClassName();
if (applicationClassName != null) {
TypeElement typeElement = (TypeElement) element;
String componentQualifiedName = typeElement.getQualifiedName().toString();
String generatedComponentQualifiedName = componentQualifiedName + ModelConstants.GENERATION_SUFFIX;
if (!applicationClassName.equals(generatedComponentQualifiedName)) {
if (applicationClassName.equals(componentQualifiedName)) {
valid.invalidate();
annotationHelper.printAnnotationError(element, "The AndroidManifest.xml file contains the original component, and not the AndroidAnnotations generated component. Please register " + generatedComponentQualifiedName + " instead of " + componentQualifiedName);
} else {
annotationHelper.printAnnotationWarning(element, "The component " + generatedComponentQualifiedName + " is not registered in the AndroidManifest.xml file.");
}
}
} else {
valid.invalidate();
annotationHelper.printAnnotationError(element, "No application class registered in the AndroidManifest.xml");
}
}
public void isSharedPreference(Element element, AnnotationElements validatedElements, IsValid valid) {
TypeMirror type = element.asType();
/*
* The type is not available yet because it has just been generated
*/
if (type instanceof ErrorType || type.getKind() == TypeKind.ERROR) {
String elementTypeName = type.toString();
boolean sharedPrefValidatedInRound = false;
if (elementTypeName.endsWith(GENERATION_SUFFIX)) {
String prefTypeName = elementTypeName.substring(0, elementTypeName.length() - GENERATION_SUFFIX.length());
Set<? extends Element> sharedPrefElements = validatedElements.getRootAnnotatedElements(SharedPref.class.getName());
for (Element sharedPrefElement : sharedPrefElements) {
TypeElement sharedPrefTypeElement = (TypeElement) sharedPrefElement;
String sharedPrefQualifiedName = sharedPrefTypeElement.getQualifiedName().toString();
if (sharedPrefQualifiedName.endsWith(prefTypeName)) {
sharedPrefValidatedInRound = true;
break;
}
}
}
if (!sharedPrefValidatedInRound) {
valid.invalidate();
}
} else {
extendsType(element, SharedPreferencesHelper.class.getName(), valid);
}
}
public void extendsOneOfTypes(Element element, List<String> typeQualifiedNames, IsValid valid) {
TypeMirror elementType = element.asType();
for (String typeQualifiedName : typeQualifiedNames) {
TypeElement typeElement = annotationHelper.typeElementFromQualifiedName(typeQualifiedName);
if (typeElement != null) {
TypeMirror expectedType = typeElement.asType();
if (annotationHelper.isSubtype(elementType, expectedType)) {
return;
}
}
}
valid.invalidate();
annotationHelper.printAnnotationError(element, "%s can only be used on an element that extends one of the following classes: " + typeQualifiedNames);
}
public void extendsType(Element element, String typeQualifiedName, IsValid valid) {
TypeMirror elementType = element.asType();
TypeElement typeElement = annotationHelper.typeElementFromQualifiedName(typeQualifiedName);
if (typeElement != null) {
TypeMirror expectedType = typeElement.asType();
if (!annotationHelper.isSubtype(elementType, expectedType)) {
valid.invalidate();
annotationHelper.printAnnotationError(element, "%s can only be used on an element that extends " + typeQualifiedName);
}
}
}
public void allowedType(Element element, IsValid valid, TypeMirror fieldTypeMirror, List<String> allowedTypes) {
String qualifiedName = fieldTypeMirror.toString();
if (!allowedTypes.contains(qualifiedName)) {
valid.invalidate();
annotationHelper.printAnnotationError(element, "%s can only be used on a field which is a " + allowedTypes.toString() + ", not " + qualifiedName);
}
}
public void hasRoboGuiceJars(Element element, IsValid valid) {
Elements elementUtils = annotationHelper.getElementUtils();
if (elementUtils.getTypeElement(CanonicalNameConstants.INJECTOR_PROVIDER) == null) {
valid.invalidate();
annotationHelper.printAnnotationError(element, "Could not find the RoboGuice framework in the classpath, the following class is missing: " + CanonicalNameConstants.INJECTOR_PROVIDER);
}
if (elementUtils.getTypeElement(RoboGuiceConstants.ROBOGUICE_APPLICATION_CLASS) == null) {
valid.invalidate();
annotationHelper.printAnnotationError(element, "Could not find the RoboApplication class in the classpath, are you using RoboGuice 1.1.1 ?");
}
try {
if (elementUtils.getTypeElement(CanonicalNameConstants.INJECTOR) == null) {
valid.invalidate();
annotationHelper.printAnnotationError(element, "Could not find the Guice framework in the classpath, the following class is missing: " + CanonicalNameConstants.INJECTOR);
}
} catch (RuntimeException e) {
valid.invalidate();
annotationHelper.printAnnotationError(element, "Could not find the Guice framework in the classpath, the following class is missing: " + CanonicalNameConstants.INJECTOR);
}
}
public void hasSpringAndroidJars(Element element, IsValid valid) {
Elements elementUtils = annotationHelper.getElementUtils();
if (elementUtils.getTypeElement(CanonicalNameConstants.REST_TEMPLATE) == null) {
valid.invalidate();
annotationHelper.printAnnotationError(element, "Could not find the SpringAndroid framework in the classpath, the following class is missing: " + CanonicalNameConstants.REST_TEMPLATE);
}
}
public void hasOrmLiteJars(Element element, IsValid valid) {
Elements elementUtils = annotationHelper.getElementUtils();
if (elementUtils.getTypeElement(CanonicalNameConstants.DAO) == null) {
valid.invalidate();
annotationHelper.printAnnotationError(element, "Could not find the OrmLite framework in the classpath, the following class is missing: " + CanonicalNameConstants.DAO);
}
}
public void androidService(AndroidSystemServices androidSystemServices, Element element, IsValid valid) {
TypeMirror serviceType = element.asType();
if (!androidSystemServices.contains(serviceType)) {
valid.invalidate();
annotationHelper.printAnnotationError(element, "Unknown service type: " + serviceType.toString());
}
}
public void isDeclaredType(Element element, IsValid valid, TypeMirror uiFieldTypeMirror) {
if (!(uiFieldTypeMirror instanceof DeclaredType)) {
valid.invalidate();
annotationHelper.printAnnotationError(element, "%s can only be used on a field which is a declared type");
}
}
public boolean isPrefMethod(Element element) {
if (!element.getKind().equals(ElementKind.METHOD)) {
annotationHelper.printError(element, "Only methods are allowed in an " + annotationHelper.annotationName() + " annotated interface");
} else {
ExecutableElement executableElement = (ExecutableElement) element;
String methodName = executableElement.getSimpleName().toString();
if (executableElement.getParameters().size() > 0) {
annotationHelper.printError(element, "Method " + methodName + " should have no parameters in an " + annotationHelper.annotationName() + " annotated interface");
} else {
String returnType = executableElement.getReturnType().toString();
if (!VALID_PREF_RETURN_TYPES.contains(returnType)) {
annotationHelper.printError(element, "Method " + methodName + " should only return preference simple types in an " + annotationHelper.annotationName() + " annotated interface");
} else {
if (INVALID_PREF_METHOD_NAMES.contains(methodName)) {
annotationHelper.printError(element, "The method name " + methodName + " is forbidden in an " + annotationHelper.annotationName() + " annotated interface");
} else {
return true;
}
}
}
}
return false;
}
public void hasCorrectDefaultAnnotation(ExecutableElement method) {
checkDefaultAnnotation(method, DefaultBoolean.class, "boolean", new TypeKindAnnotationCondition(TypeKind.BOOLEAN));
checkDefaultAnnotation(method, DefaultFloat.class, "float", new TypeKindAnnotationCondition(TypeKind.FLOAT));
checkDefaultAnnotation(method, DefaultInt.class, "int", new TypeKindAnnotationCondition(TypeKind.INT));
checkDefaultAnnotation(method, DefaultLong.class, "long", new TypeKindAnnotationCondition(TypeKind.LONG));
checkDefaultAnnotation(method, DefaultString.class, "String", new DefaultAnnotationCondition() {
@Override
public boolean correctReturnType(TypeMirror returnType) {
return returnType.toString().equals(CanonicalNameConstants.STRING);
}
});
}
private interface DefaultAnnotationCondition {
boolean correctReturnType(TypeMirror returnType);
}
private class TypeKindAnnotationCondition implements DefaultAnnotationCondition {
private final TypeKind typeKind;
public TypeKindAnnotationCondition(TypeKind typeKind) {
this.typeKind = typeKind;
}
@Override
public boolean correctReturnType(TypeMirror returnType) {
return returnType.getKind() == typeKind;
}
}
private <T extends Annotation> void checkDefaultAnnotation(ExecutableElement method, Class<T> annotationClass, String expectedReturnType, DefaultAnnotationCondition condition) {
T defaultAnnotation = method.getAnnotation(annotationClass);
if (defaultAnnotation != null) {
if (!condition.correctReturnType(method.getReturnType())) {
annotationHelper.printAnnotationError(method, annotationClass.getName(), TargetAnnotationHelper.annotationName(annotationClass) + " can only be used on a method that returns a " + expectedReturnType);
}
}
}
@SuppressWarnings("unchecked")
private static final List<Class<? extends Annotation>> REST_ANNOTATION_CLASSES = Arrays.asList(Get.class, Head.class, Options.class, Post.class, Put.class, Delete.class);
public void unannotatedMethodReturnsRestTemplate(TypeElement typeElement, IsValid valid) {
List<? extends Element> enclosedElements = typeElement.getEnclosedElements();
boolean foundGetRestTemplateMethod = false;
boolean foundSetRestTemplateMethod = false;
boolean foundSetRootUrlMethod = false;
boolean foundGetRootUrlMethod = false;
for (Element enclosedElement : enclosedElements) {
if (enclosedElement.getKind() != ElementKind.METHOD) {
valid.invalidate();
annotationHelper.printError(enclosedElement, "Only methods are allowed in a " + TargetAnnotationHelper.annotationName(Rest.class) + " annotated interface");
} else {
boolean hasRestAnnotation = false;
for (Class<? extends Annotation> annotationClass : REST_ANNOTATION_CLASSES) {
if (enclosedElement.getAnnotation(annotationClass) != null) {
hasRestAnnotation = true;
break;
}
}
if (!hasRestAnnotation) {
ExecutableElement executableElement = (ExecutableElement) enclosedElement;
TypeMirror returnType = executableElement.getReturnType();
String simpleName = executableElement.getSimpleName().toString();
if (returnType.toString().equals(CanonicalNameConstants.REST_TEMPLATE)) {
if (executableElement.getParameters().size() > 0) {
valid.invalidate();
annotationHelper.printError(enclosedElement, "The method returning a RestTemplate should not declare any parameter in a " + TargetAnnotationHelper.annotationName(Rest.class) + " annotated interface");
} else {
if (foundGetRestTemplateMethod) {
valid.invalidate();
annotationHelper.printError(enclosedElement, "Only one method should declare returning a RestTemplate in a " + TargetAnnotationHelper.annotationName(Rest.class) + " annotated interface");
} else {
foundGetRestTemplateMethod = true;
}
}
} else if (simpleName.equals(METHOD_NAME_GET_ROOT_URL)) {
if (!returnType.toString().equals(CanonicalNameConstants.STRING)) {
valid.invalidate();
annotationHelper.printError(enclosedElement, "The method getRootUrl must return String on a " + TargetAnnotationHelper.annotationName(Rest.class) + " annotated interface");
}
if (executableElement.getParameters().size() != 0) {
valid.invalidate();
annotationHelper.printError(enclosedElement, "The method getRootUrl cannot have parameters on a " + TargetAnnotationHelper.annotationName(Rest.class) + " annotated interface");
}
if (!foundGetRootUrlMethod) {
foundGetRootUrlMethod = true;
} else {
valid.invalidate();
annotationHelper.printError(enclosedElement, "The can be only one getRootUrl method on a " + TargetAnnotationHelper.annotationName(Rest.class) + " annotated interface");
}
} else if (returnType.getKind() == TypeKind.VOID) {
List<? extends VariableElement> parameters = executableElement.getParameters();
if (parameters.size() == 1) {
VariableElement firstParameter = parameters.get(0);
if (firstParameter.asType().toString().equals(CanonicalNameConstants.REST_TEMPLATE)) {
if (!foundSetRestTemplateMethod) {
foundSetRestTemplateMethod = true;
} else {
valid.invalidate();
annotationHelper.printError(enclosedElement, "You can only have oneRestTemplate setter method on a " + TargetAnnotationHelper.annotationName(Rest.class) + " annotated interface");
}
} else if (executableElement.getSimpleName().toString().equals(METHOD_NAME_SET_ROOT_URL) && !foundSetRootUrlMethod) {
foundSetRootUrlMethod = true;
} else {
valid.invalidate();
annotationHelper.printError(enclosedElement, "The method to set a RestTemplate should have only one RestTemplate parameter on a " + TargetAnnotationHelper.annotationName(Rest.class) + " annotated interface");
}
} else {
valid.invalidate();
annotationHelper.printError(enclosedElement, "The method to set a RestTemplate should have only one RestTemplate parameter on a " + TargetAnnotationHelper.annotationName(Rest.class) + " annotated interface");
}
} else {
valid.invalidate();
annotationHelper.printError(enclosedElement, "All methods should be annotated in a " + TargetAnnotationHelper.annotationName(Rest.class) + " annotated interface, except the ones that returns or set a RestTemplate");
}
}
}
}
}
public void notAlreadyValidated(Element element, AnnotationElements validatedElements, IsValid valid) {
if (validatedElements.getAllElements().contains(element)) {
valid.invalidate();
annotationHelper.printAnnotationError(element, "%s annotated element cannot be used with the other annotations used on this element.");
}
}
public void hasEmptyOrContextConstructor(Element element, IsValid valid) {
List<ExecutableElement> constructors = ElementFilter.constructorsIn(element.getEnclosedElements());
if (constructors.size() == 1) {
ExecutableElement constructor = constructors.get(0);
if (!annotationHelper.isPrivate(constructor)) {
if (constructor.getParameters().size() > 1) {
annotationHelper.printAnnotationError(element, "%s annotated element should have a constructor with one parameter max, of type " + CanonicalNameConstants.CONTEXT);
valid.invalidate();
} else if (constructor.getParameters().size() == 1) {
VariableElement parameter = constructor.getParameters().get(0);
if (!parameter.asType().toString().equals(CanonicalNameConstants.CONTEXT)) {
annotationHelper.printAnnotationError(element, "%s annotated element should have a constructor with one parameter max, of type " + CanonicalNameConstants.CONTEXT);
valid.invalidate();
}
}
} else {
annotationHelper.printAnnotationError(element, "%s annotated element should not have a private constructor");
valid.invalidate();
}
} else {
annotationHelper.printAnnotationError(element, "%s annotated element should have only one constructor");
valid.invalidate();
}
}
public void hasEmptyConstructor(Element element, IsValid valid) {
List<ExecutableElement> constructors = ElementFilter.constructorsIn(element.getEnclosedElements());
if (constructors.size() == 1) {
ExecutableElement constructor = constructors.get(0);
if (!annotationHelper.isPrivate(constructor)) {
if (constructor.getParameters().size() != 0) {
annotationHelper.printAnnotationError(element, "%s annotated element should have an empty constructor");
valid.invalidate();
}
} else {
annotationHelper.printAnnotationError(element, "%s annotated element should not have a private constructor");
valid.invalidate();
}
} else {
annotationHelper.printAnnotationError(element, "%s annotated element should have only one constructor");
valid.invalidate();
}
}
public void hasValidLogLevel(Element element, IsValid isValid) {
Trace annotation = element.getAnnotation(Trace.class);
Integer level = annotation.level();
if (!VALID_LOG_LEVELS.contains(level)) {
annotationHelper.printError(element, "Unrecognized log level.");
isValid.invalidate();
}
}
public void canBeSavedAsInstanceState(Element element, IsValid isValid) {
String typeString = element.asType().toString();
if (!isKnowInstanceStateType(typeString)) {
if (element.asType() instanceof DeclaredType) {
DeclaredType declaredType = (DeclaredType) element.asType();
typeString = declaredType.asElement().toString();
} else if (element.asType() instanceof ArrayType) {
ArrayType arrayType = (ArrayType) element.asType();
TypeMirror componentType = arrayType.getComponentType();
if (componentType instanceof DeclaredType) {
DeclaredType declaredType = (DeclaredType) componentType;
typeString = declaredType.asElement().toString();
} else {
typeString = componentType.toString();
}
} else {
typeString = element.asType().toString();
}
TypeElement elementType = annotationHelper.typeElementFromQualifiedName(typeString);
if (elementType == null) {
elementType = getArrayEnclosingType(typeString);
if (elementType == null) {
annotationHelper.printAnnotationError(element, "Unrecognized type. Please let your attribute be primitive or implement Serializable or Parcelable");
isValid.invalidate();
}
}
if (elementType != null) {
TypeElement parcelableType = annotationHelper.typeElementFromQualifiedName(CanonicalNameConstants.PARCELABLE);
TypeElement serializableType = annotationHelper.typeElementFromQualifiedName("java.io.Serializable");
if (!annotationHelper.isSubtype(elementType, parcelableType) && !annotationHelper.isSubtype(elementType, serializableType)) {
annotationHelper.printAnnotationError(element, "Unrecognized type. Please let your attribute be primitive or implement Serializable or Parcelable");
isValid.invalidate();
}
}
}
}
private TypeElement getArrayEnclosingType(String typeString) {
typeString = typeString.replace("[]", "");
return annotationHelper.typeElementFromQualifiedName(typeString);
}
private boolean isKnowInstanceStateType(String type) {
return InstanceStateProcessor.methodSuffixNameByTypeName.containsKey(type);
}
public void componentRegistered(Element element, AndroidManifest androidManifest, IsValid valid) {
componentRegistered(element, androidManifest, true, valid);
}
public void componentRegistered(Element element, AndroidManifest androidManifest, boolean printWarning, IsValid valid) {
TypeElement typeElement = (TypeElement) element;