/**
* Copyright (C) 2010-2016 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.rest.spring.helper;
import static java.util.Arrays.asList;
import static org.androidannotations.rest.spring.helper.RestSpringClasses.CLIENT_HTTP_REQUEST_FACTORY;
import static org.androidannotations.rest.spring.helper.RestSpringClasses.CLIENT_HTTP_REQUEST_INTERCEPTOR;
import static org.androidannotations.rest.spring.helper.RestSpringClasses.FORM_HTTP_MESSAGE_CONVERTER;
import static org.androidannotations.rest.spring.helper.RestSpringClasses.HTTP_MESSAGE_CONVERTER;
import static org.androidannotations.rest.spring.helper.RestSpringClasses.REST_CLIENT_EXCEPTION;
import static org.androidannotations.rest.spring.helper.RestSpringClasses.REST_TEMPLATE;
import java.lang.annotation.Annotation;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
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.TypeElement;
import javax.lang.model.element.VariableElement;
import javax.lang.model.type.DeclaredType;
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.AndroidAnnotationsEnvironment;
import org.androidannotations.ElementValidation;
import org.androidannotations.annotations.EBean;
import org.androidannotations.helper.CanonicalNameConstants;
import org.androidannotations.helper.TargetAnnotationHelper;
import org.androidannotations.helper.ValidatorHelper;
import org.androidannotations.rest.spring.annotations.Body;
import org.androidannotations.rest.spring.annotations.Delete;
import org.androidannotations.rest.spring.annotations.Field;
import org.androidannotations.rest.spring.annotations.Get;
import org.androidannotations.rest.spring.annotations.Head;
import org.androidannotations.rest.spring.annotations.Options;
import org.androidannotations.rest.spring.annotations.Part;
import org.androidannotations.rest.spring.annotations.Patch;
import org.androidannotations.rest.spring.annotations.Path;
import org.androidannotations.rest.spring.annotations.Post;
import org.androidannotations.rest.spring.annotations.Put;
import org.androidannotations.rest.spring.annotations.Rest;
import org.androidannotations.rest.spring.api.RestClientErrorHandling;
import org.androidannotations.rest.spring.api.RestClientHeaders;
import org.androidannotations.rest.spring.api.RestClientRootUrl;
import org.androidannotations.rest.spring.api.RestClientSupport;
public class RestSpringValidatorHelper extends ValidatorHelper {
private static final List<String> VALID_REST_INTERFACES = asList(RestClientHeaders.class.getName(), RestClientErrorHandling.class.getName(),
RestClientRootUrl.class.getName(), RestClientSupport.class.getName());
private static final List<Class<? extends Annotation>> REST_ANNOTATION_CLASSES = Arrays.asList(Get.class, Head.class, Options.class, Post.class, Put.class, Patch.class, Delete.class);
private static final String METHOD_NAME_SET_ROOT_URL = "setRootUrl";
private static final String METHOD_NAME_SET_AUTHENTICATION = "setAuthentication";
private static final String METHOD_NAME_SET_BEARER_AUTH = "setBearerAuth";
private static final String METHOD_NAME_GET_COOKIE = "getCookie";
private static final String METHOD_NAME_GET_HEADER = "getHeader";
private static final String METHOD_NAME_GET_ROOT_URL = "getRootUrl";
private final RestAnnotationHelper restAnnotationHelper;
public RestSpringValidatorHelper(AndroidAnnotationsEnvironment environment, String target) {
super(new TargetAnnotationHelper(environment, target));
restAnnotationHelper = new RestAnnotationHelper(environment, target);
}
public void doesNotExtendInvalidInterfaces(TypeElement element, ElementValidation valid) {
if (element.getInterfaces().size() > 0) {
boolean isValid = true;
for (TypeMirror iface : element.getInterfaces()) {
if (!VALID_REST_INTERFACES.contains(iface.toString())) {
isValid = false;
break;
}
}
if (!isValid) {
valid.addError("%s interfaces can only extend the following interfaces: " + VALID_REST_INTERFACES);
}
}
}
public void enclosingElementHasRestAnnotation(Element element, ElementValidation valid) {
String error = "can only be used in an interface annotated with";
enclosingElementHasAnnotation(Rest.class, element, valid, error);
}
public void enclosingElementHasOneOfRestMethodAnnotations(Element element, ElementValidation validation) {
enclosingElementHasOneOfAnnotations(element, REST_ANNOTATION_CLASSES, validation);
}
public void unannotatedMethodReturnsRestTemplate(TypeElement typeElement, ElementValidation valid) {
List<? extends Element> enclosedElements = typeElement.getEnclosedElements();
boolean foundGetRestTemplateMethod = false;
boolean foundSetRestTemplateMethod = false;
boolean foundSetAuthenticationMethod = false;
boolean foundSetBearerAuthMethod = false;
boolean foundSetRootUrlMethod = false;
boolean foundGetCookieMethod = false;
boolean foundGetHeaderMethod = false;
boolean foundGetRootUrlMethod = false;
for (Element enclosedElement : enclosedElements) {
if (enclosedElement.getKind() != ElementKind.METHOD) {
valid.addError(enclosedElement, "Only methods are allowed in a %s 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(REST_TEMPLATE)) {
if (executableElement.getParameters().size() > 0) {
valid.addError(enclosedElement,
"The method returning a RestTemplate should not declare any parameter in a " + TargetAnnotationHelper.annotationName(Rest.class) + " annotated interface");
} else {
if (foundGetRestTemplateMethod) {
valid.addError(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.addError(enclosedElement, "The method getRootUrl must return String on a %s annotated interface");
}
if (executableElement.getParameters().size() != 0) {
valid.addError(enclosedElement, "The method getRootUrl cannot have parameters on a " + TargetAnnotationHelper.annotationName(Rest.class)
+ " annotated interface");
}
if (!foundGetRootUrlMethod) {
foundGetRootUrlMethod = true;
} else {
valid.addError(enclosedElement, "The can be only one getRootUrl method on a %s 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(REST_TEMPLATE)) {
if (!foundSetRestTemplateMethod) {
foundSetRestTemplateMethod = true;
} else {
valid.addError(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 if (executableElement.getSimpleName().toString().equals(METHOD_NAME_SET_AUTHENTICATION) && !foundSetAuthenticationMethod) {
foundSetAuthenticationMethod = true;
} else if (executableElement.getSimpleName().toString().equals(METHOD_NAME_SET_BEARER_AUTH) && !foundSetBearerAuthMethod) {
foundSetBearerAuthMethod = true;
} else {
valid.addError(enclosedElement,
"The method to set a RestTemplate should have only one RestTemplate parameter on a " + TargetAnnotationHelper.annotationName(Rest.class)
+ " annotated interface");
}
} else if (parameters.size() == 2) {
VariableElement firstParameter = parameters.get(0);
VariableElement secondParameter = parameters.get(1);
if (!(firstParameter.asType().toString().equals(CanonicalNameConstants.STRING) && secondParameter.asType().toString().equals(CanonicalNameConstants.STRING))) {
valid.addError(enclosedElement,
"The method to set headers, cookies, or HTTP Basic Auth should have only String parameters on a " + TargetAnnotationHelper.annotationName(Rest.class)
+ " annotated interface");
}
} else {
valid.addError(enclosedElement,
"The method to set a RestTemplate should have only one RestTemplate parameter on a " + TargetAnnotationHelper.annotationName(Rest.class) + " annotated interface");
}
} else if (returnType.toString().equals(CanonicalNameConstants.STRING)) {
List<? extends VariableElement> parameters = executableElement.getParameters();
if (parameters.size() == 1) {
VariableElement firstParameter = parameters.get(0);
if (firstParameter.asType().toString().equals(CanonicalNameConstants.STRING)) {
if (executableElement.getSimpleName().toString().equals(METHOD_NAME_GET_COOKIE) && !foundGetCookieMethod) {
foundGetCookieMethod = true;
} else if (executableElement.getSimpleName().toString().equals(METHOD_NAME_GET_HEADER) && !foundGetHeaderMethod) {
foundGetHeaderMethod = true;
} else {
valid.addError(enclosedElement,
"Only one getCookie(String) and one getHeader(String) method are allowed on a " + TargetAnnotationHelper.annotationName(Rest.class)
+ " annotated interface");
}
} else {
valid.addError(enclosedElement,
"Only getCookie(String) and getHeader(String) can return a String on a " + TargetAnnotationHelper.annotationName(Rest.class) + " annotated interface");
}
} else {
valid.addError(enclosedElement, "The only methods that can return a String on a " + TargetAnnotationHelper.annotationName(Rest.class)
+ " annotated interface are getCookie(String) and getHeader(String)");
}
} else {
valid.addError(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 validateConverters(Element element, ElementValidation valid) {
TypeMirror httpMessageConverterType = annotationHelper.typeElementFromQualifiedName(HTTP_MESSAGE_CONVERTER).asType();
TypeMirror httpMessageConverterTypeErased = annotationHelper.getTypeUtils().erasure(httpMessageConverterType);
List<DeclaredType> converters = annotationHelper.extractAnnotationClassArrayParameter(element, annotationHelper.getTarget(), "converters");
if (converters == null || converters.isEmpty()) {
valid.addError(element, "At least one converter is required");
return;
}
for (DeclaredType converterType : converters) {
TypeMirror erasedConverterType = annotationHelper.getTypeUtils().erasure(converterType);
if (annotationHelper.isSubtype(erasedConverterType, httpMessageConverterTypeErased)) {
Element converterElement = converterType.asElement();
if (converterElement.getKind().isClass()) {
if (!annotationHelper.isAbstract(converterElement)) {
if (converterElement.getAnnotation(EBean.class) == null) {
List<ExecutableElement> constructors = ElementFilter.constructorsIn(converterElement.getEnclosedElements());
boolean hasPublicWithNoArgumentConstructor = false;
for (ExecutableElement constructor : constructors) {
if (annotationHelper.isPublic(constructor) && constructor.getParameters().isEmpty()) {
hasPublicWithNoArgumentConstructor = true;
}
}
if (!hasPublicWithNoArgumentConstructor) {
valid.addError("The converter class must have a public no argument constructor");
}
}
} else {
valid.addError("The converter class must not be abstract");
}
} else {
valid.addError("The converter class must be a class");
}
} else {
valid.addError("The converter class must be a subtype of " + HTTP_MESSAGE_CONVERTER);
}
}
}
public void validateInterceptors(Element element, ElementValidation valid) {
TypeMirror clientHttpRequestInterceptorType = annotationHelper.typeElementFromQualifiedName(CLIENT_HTTP_REQUEST_INTERCEPTOR).asType();
TypeMirror clientHttpRequestInterceptorTypeErased = annotationHelper.getTypeUtils().erasure(clientHttpRequestInterceptorType);
List<DeclaredType> interceptors = annotationHelper.extractAnnotationClassArrayParameter(element, annotationHelper.getTarget(), "interceptors");
if (interceptors == null) {
return;
}
for (DeclaredType interceptorType : interceptors) {
TypeMirror erasedInterceptorType = annotationHelper.getTypeUtils().erasure(interceptorType);
if (annotationHelper.isSubtype(erasedInterceptorType, clientHttpRequestInterceptorTypeErased)) {
Element interceptorElement = interceptorType.asElement();
if (interceptorElement.getKind().isClass()) {
if (!annotationHelper.isAbstract(interceptorElement)) {
if (interceptorElement.getAnnotation(EBean.class) == null) {
List<ExecutableElement> constructors = ElementFilter.constructorsIn(interceptorElement.getEnclosedElements());
boolean hasPublicWithNoArgumentConstructor = false;
for (ExecutableElement constructor : constructors) {
if (annotationHelper.isPublic(constructor) && constructor.getParameters().isEmpty()) {
hasPublicWithNoArgumentConstructor = true;
}
}
if (!hasPublicWithNoArgumentConstructor) {
valid.addError("The interceptor class must have a public no argument constructor or be annotated with @EBean");
}
}
} else {
valid.addError("The interceptor class must not be abstract");
}
} else {
valid.addError("The interceptor class must be a class");
}
} else {
valid.addError("The interceptor class must be a subtype of " + CLIENT_HTTP_REQUEST_INTERCEPTOR);
}
}
}
public void validateRestSimpleParameter(Element element, String requiredClass, String parameterName, ElementValidation validation) {
TypeMirror requiredType = annotationHelper.typeElementFromQualifiedName(requiredClass).asType();
DeclaredType paramterType = annotationHelper.extractAnnotationClassParameter(element, annotationHelper.getTarget(), parameterName);
if (paramterType != null) {
if (annotationHelper.isSubtype(paramterType, requiredType)) {
Element parameterElement = paramterType.asElement();
if (parameterElement.getKind().isClass()) {
if (!annotationHelper.isAbstract(parameterElement)) {
if (parameterElement.getAnnotation(EBean.class) != null) {
return;
}
List<ExecutableElement> constructors = ElementFilter.constructorsIn(parameterElement.getEnclosedElements());
for (ExecutableElement constructor : constructors) {
if (annotationHelper.isPublic(constructor) && constructor.getParameters().isEmpty()) {
return;
}
}
validation.addError(element, "The " + parameterName + " class must have a public no argument constructor or must be annotated with @EBean");
} else {
validation.addError(element, "The " + parameterName + " class must not be abstract");
}
} else {
validation.addError(element, "The " + parameterName + " class must be a class");
}
} else {
validation.addError(element, "The " + parameterName + " class must be a subtype of " + requiredClass);
}
}
}
public void validateRequestFactory(Element element, ElementValidation validation) {
validateRestSimpleParameter(element, CLIENT_HTTP_REQUEST_FACTORY, "requestFactory", validation);
}
public void validateResponseErrorHandler(Element element, ElementValidation validation) {
validateRestSimpleParameter(element, RestSpringClasses.RESPONSE_ERROR_HANDLER, "responseErrorHandler", validation);
}
public void throwsOnlyRestClientException(ExecutableElement element, ElementValidation valid) {
List<? extends TypeMirror> thrownTypes = element.getThrownTypes();
if (thrownTypes.size() > 0) {
if (thrownTypes.size() > 1 || !thrownTypes.get(0).toString().equals(REST_CLIENT_EXCEPTION)) {
valid.addError("%s annotated methods can only declare throwing a RestClientException");
}
}
}
public void urlVariableNamesExistInParameters(ExecutableElement element, Set<String> variableNames, ElementValidation valid) {
List<? extends VariableElement> parameters = element.getParameters();
Set<String> parametersName = new HashSet<>();
for (VariableElement parameter : parameters) {
if (parameter.getAnnotation(Path.class) == null) {
continue;
}
String nameToAdd = restAnnotationHelper.getUrlVariableCorrespondingTo(parameter);
if (parametersName.contains(nameToAdd)) {
valid.addError(element, "%s has multiple method parameters which correspond to the same url variable");
return;
}
parametersName.add(nameToAdd);
}
String[] cookiesToUrl = restAnnotationHelper.requiredUrlCookies(element);
if (cookiesToUrl != null) {
Collections.addAll(parametersName, cookiesToUrl);
}
for (String variableName : variableNames) {
if (!parametersName.contains(variableName)) {
valid.addError("%s annotated method has an url variable which name could not be found in the method parameters: " + variableName);
return;
}
}
}
public void doesNotMixRequestEntityAnnotations(ExecutableElement element, ElementValidation validation) {
int numberOfRequestEntityFound = 0;
boolean partFound = false;
boolean fieldFound = false;
boolean bodyFound = false;
for (VariableElement parameter : element.getParameters()) {
Part part = parameter.getAnnotation(Part.class);
if (part != null && !partFound) {
partFound = true;
numberOfRequestEntityFound++;
}
Field field = parameter.getAnnotation(Field.class);
if (field != null && !fieldFound) {
fieldFound = true;
numberOfRequestEntityFound++;
}
Body body = parameter.getAnnotation(Body.class);
if (body != null && !bodyFound) {
bodyFound = true;
numberOfRequestEntityFound++;
}
}
if (numberOfRequestEntityFound > 1) {
validation.addError(element, "Only one of @Part, @Field and @Body annotations can be used on the same method's parameters, not both.");
}
}
public void urlVariableNameExistsInEnclosingAnnotation(Element element, ElementValidation validation) {
Set<String> validRestMethodAnnotationNames = new HashSet<>();
for (Class<? extends Annotation> validAnnotation : REST_ANNOTATION_CLASSES) {
validRestMethodAnnotationNames.add(validAnnotation.getCanonicalName());
}
String url = null;
for (AnnotationMirror annotationMirror : element.getEnclosingElement().getAnnotationMirrors()) {
if (validRestMethodAnnotationNames.contains(annotationMirror.getAnnotationType().toString())) {
url = restAnnotationHelper.extractAnnotationParameter(element.getEnclosingElement(), annotationMirror.getAnnotationType().toString(), "value");
break;
}
}
Set<String> urlVariableNames = restAnnotationHelper.extractUrlVariableNames(url);
String expectedUrlVariableName = restAnnotationHelper.getUrlVariableCorrespondingTo((VariableElement) element);
if (!urlVariableNames.contains(expectedUrlVariableName)) {
validation.addError(element, "%s annotated parameter is has no corresponding url variable");
}
}
public void hasSpringAndroidJars(ElementValidation valid) {
Elements elementUtils = annotationHelper.getElementUtils();
if (elementUtils.getTypeElement(REST_TEMPLATE) == null) {
valid.addError("Could not find the SpringAndroid framework in the classpath, the following class is missing: " + REST_TEMPLATE);
}
}
public void hasHttpHeadersReturnType(ExecutableElement element, ElementValidation valid) {
String returnType = element.getReturnType().toString();
if (!returnType.equals("org.springframework.http.HttpHeaders")) {
valid.addError("%s annotated methods can only return a HttpHeaders, not " + returnType);
}
}
public void hasSetOfHttpMethodReturnType(ExecutableElement element, ElementValidation valid) {
TypeMirror returnType = element.getReturnType();
String returnTypeString = returnType.toString();
if (!returnTypeString.equals("java.util.Set<org.springframework.http.HttpMethod>")) {
valid.addError("%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.addError("%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.addError("%s annotated methods can only return a parameterized Set of HttpMethod, not " + typeArgument.toString());
}
}
}
}
public int numberOfBodyAnnotatedParameter(ExecutableElement element) {
return numberOfElementParameterHasAnnotation(element, Body.class);
}
public int numberOfPathAnnotatedParameter(ExecutableElement element) {
return numberOfElementParameterHasAnnotation(element, Path.class);
}
public int numberOfRequiresCookieInUrl(ExecutableElement element) {
String[] cookiesToUrl = restAnnotationHelper.requiredUrlCookies(element);
if (cookiesToUrl == null) {
return 0;
} else {
return cookiesToUrl.length;
}
}
public int numberOfPartAnnotatedParameter(ExecutableElement element) {
return numberOfElementParameterHasAnnotation(element, Part.class);
}
public int numberOfFieldAnnotatedParameter(ExecutableElement element) {
return numberOfElementParameterHasAnnotation(element, Field.class);
}
public void doesNotHaveDuplicateFieldAndPartName(ExecutableElement element, ElementValidation validation) {
if (restAnnotationHelper.extractFieldAndPartParameters(element) == null) {
validation.addError(element, "%s annotated method has multiple form parameters with the same name");
}
}
public void doesNotHaveBodyAnnotatedParameter(ExecutableElement element, ElementValidation validation) {
if (numberOfBodyAnnotatedParameter(element) != 0) {
validation.addError(element, "%s parameters must not have @Body parameter");
}
}
public void doesNotHavePartAnnotatedParameter(ExecutableElement element, ElementValidation validation) {
if (numberOfPartAnnotatedParameter(element) != 0) {
validation.addError(element, "%s parameters must not have @Part parameter");
}
}
public void doesNotHaveFieldAnnotatedParameter(ExecutableElement element, ElementValidation validation) {
if (numberOfFieldAnnotatedParameter(element) != 0) {
validation.addError(element, "%s parameters must not have @Field parameter");
}
}
public void doesNotHaveRequestEntityAnnotatedParameters(ExecutableElement element, ElementValidation validation) {
doesNotHavePartAnnotatedParameter(element, validation);
doesNotHaveFieldAnnotatedParameter(element, validation);
doesNotHaveBodyAnnotatedParameter(element, validation);
}
public void doesNotHavePathAnnotation(Element element, ElementValidation validation) {
doesNotHaveAnnotation(element, Path.class, validation);
}
public void doesNotHaveFieldAnnotation(Element element, ElementValidation validation) {
doesNotHaveAnnotation(element, Field.class, validation);
}
public void doesNotHavePartAnnotation(Element element, ElementValidation validation) {
doesNotHaveAnnotation(element, Part.class, validation);
}
public void doesNotHaveBodyAnnotation(Element element, ElementValidation validation) {
doesNotHaveAnnotation(element, Body.class, validation);
}
public void restInterfaceHasFormConverter(Element element, ElementValidation validation) {
Element restInterface = element.getEnclosingElement().getEnclosingElement();
if (restInterface.getAnnotation(Rest.class) == null) {
return;
}
List<DeclaredType> converters = annotationHelper.extractAnnotationClassArrayParameter(restInterface, Rest.class.getCanonicalName(), "converters");
boolean formConverterFound = false;
TypeElement formConverter = annotationHelper.getElementUtils().getTypeElement(FORM_HTTP_MESSAGE_CONVERTER);
for (DeclaredType converter : converters) {
if (formConverter != null && annotationHelper.isSubtype(formConverter.asType(), converter)) {
formConverterFound = true;
break;
}
}
if (!formConverterFound) {
validation.addError(element, "%s annotated method parameter must be in a @Rest annotated interface which uses at least one " //
+ FORM_HTTP_MESSAGE_CONVERTER + " (or subtype)");
}
}
public void elementHasOneOfRestMethodAnnotations(Element element, ElementValidation validation) {
hasOneOfAnnotations(element, element, REST_ANNOTATION_CLASSES, validation);
}
public void usesSpringAndroid2(Element element, ElementValidation validation) {
if (environment().getProcessingEnvironment().getElementUtils().getTypeElement(RestSpringClasses.PARAMETERIZED_TYPE_REFERENCE) == null) {
validation.addError(element, "To use %s annotated method you must add Spring Android Rest Template 2.0 to your classpath");
}
}
public void hasOneOrZeroBodyParameter(ExecutableElement element, ElementValidation validation) {
if (validation.isValid() && numberOfBodyAnnotatedParameter(element) > 1) {
validation.addError(element, "%s parameters must not have more than one @Body annotation.");
}
}
public void hasAnnotatedAllParameters(ExecutableElement element, ElementValidation validation) {
if (!validation.isValid()) {
return;
}
Set<String> urlVariableNames = restAnnotationHelper.extractUrlVariableNames(element);
if (urlVariableNames.size() != numberOfPathAnnotatedParameter(element) + numberOfRequiresCookieInUrl(element)) {
validation.addError(element, "%s must have url variables corresponding to the @Path or @RequiresCookieInUrl annotation");
}
for (VariableElement variableElement : element.getParameters()) {
if (!restAnnotationHelper.hasRestApiMethodParameterAnnotation(variableElement)) {
validation.addError(element, "%s method parameters '" + variableElement + "' must be annotated");
}
}
}
}