Java Types.isSameType方法代碼示例

import javax.lang.model.util.Types; //導入方法依賴的package包/類
protected boolean sameMethod(ExecutableElement method1, ExecutableElement method2) {
    if (!method1.getSimpleName().equals(method2.getSimpleName()))
        return false;
    Types typeUtils = builder.getProcessingEnvironment().getTypeUtils();
    if(!typeUtils.isSameType(method1.getReturnType(), method2.getReturnType())
            && !typeUtils.isSubtype(method2.getReturnType(), method1.getReturnType()))
        return false;
    List<? extends VariableElement> parameters1 = method1.getParameters();
    List<? extends VariableElement> parameters2 = method2.getParameters();
    if (parameters1.size() != parameters2.size())
        return false;
    for (int i = 0; i < parameters1.size(); i++) {
        if (!typeUtils.isSameType(parameters1.get(i).asType(), parameters2.get(i).asType()))
            return false;
    }
    return true;
}
 

import javax.lang.model.util.Types; //導入方法依賴的package包/類
/**
 * Finds whether the given {@code TypeElement} or any of its type
 * ancestor contains an accessible static no-arg method
 * of the given name.
 * 
 * @param  typeElement  {@code TypeElement} to search
 * @param  methodName  name of the method to be found
 * @param  elements  support instance to be used for the search
 * @return  {@code true} if the given {@code TypeElement} contains,
 *          whether inherited or declared directly,
 *          a static no-argument method of the given name,
 *          {@code false} otherwise
 */
private boolean containsSuiteMethod(TypeElement typeElement,
                                    Elements elements,
                                    Types types,
                                    TypeMirror testType) {
    List<ExecutableElement> allMethods
            = ElementFilter.methodsIn(elements.getAllMembers(typeElement));
    for (ExecutableElement method : allMethods) {
        if (method.getSimpleName().contentEquals("suite")           //NOI18N
                && method.getParameters().isEmpty()) {
            return method.getModifiers().contains(Modifier.STATIC)
                   && types.isSameType(method.getReturnType(),
                                       testType);
        }
    }
    return false;
}
 

import javax.lang.model.util.Types; //導入方法依賴的package包/類
private ExecutableElement findExecutableMember(TypeElement clazz, String methodName, List<TypeMirror> paramTypes, Types types) {
    List<ExecutableElement> members = methodName.contentEquals(clazz.getSimpleName())
            ? ElementFilter.constructorsIn(clazz.getEnclosedElements())
            : ElementFilter.methodsIn(clazz.getEnclosedElements());
    outer: for (ExecutableElement ee : members) {
        if (ee.getKind() == ElementKind.CONSTRUCTOR || methodName.contentEquals(ee.getSimpleName())) {
            List<? extends TypeMirror> memberParamTypes = ((ExecutableType) ee.asType()).getParameterTypes();
            if (memberParamTypes.size() == paramTypes.size()) {
                Iterator<TypeMirror> it = paramTypes.iterator();
                for (TypeMirror memberParamType : memberParamTypes) {
                    TypeMirror type = it.next();
                    if (types.isSameType(type, memberParamType)) {
                        continue outer;
                    }
                }
                return ee;
            }
        }
    }
    return null;
}
 

import javax.lang.model.util.Types; //導入方法依賴的package包/類
@Override
public Tree visitTypeCast(TypeCastTree castTree, Element elementToMatch) {
    TreePath path = getCurrentPath();
    Types types = workingCopy.getTypes();
    TypeMirror castTypeErasure = types.erasure(workingCopy.getTrees().getTypeMirror(path));
    TypeMirror elToMatchErasure = types.erasure(subTypeElement.asType());
    path = path.getParentPath();
    Element element = workingCopy.getTrees().getElement(path);
    if (element instanceof VariableElement && types.isSameType(castTypeErasure, elToMatchErasure)) {
        VariableElement varElement = (VariableElement)element;
        TypeMirror varTypeErasure = types.erasure(varElement.asType());
        if (types.isSameType(varTypeErasure, elToMatchErasure) && isReplaceCandidate(varElement)) {
            TypeCastTree newTree = make.TypeCast(
                make.Identifier(superTypeElement), castTree.getExpression());
            rewrite(castTree, newTree);
        }
    }
    return super.visitTypeCast(castTree, elementToMatch);
}
 

import javax.lang.model.util.Types; //導入方法依賴的package包/類
private void replaceWithSuperType(TreePath path, VariableTree oldVarTree, VariableElement varElement, Element superTypeElement) {
    Types types = workingCopy.getTypes();
    TypeMirror supTypeErasure = types.erasure(superTypeElement.asType());
    DeclaredType varType = (DeclaredType) varElement.asType();
    TypeMirror theType = null;
    List<TypeMirror> supertypes = new LinkedList(types.directSupertypes(varType));
    while(!supertypes.isEmpty()) {
        TypeMirror supertype = supertypes.remove(0);
        if(types.isSameType(types.erasure(supertype), supTypeErasure)) {
            theType = supertype;
            break;
        }
        supertypes.addAll(types.directSupertypes(supertype));
    }
    
    if(theType == null) {
        theType = supTypeErasure;
    }
    Tree superTypeTree = make.Type(theType);
  
    ExpressionTree oldInitTree = oldVarTree.getInitializer();
    ModifiersTree oldModifiers = oldVarTree.getModifiers();
    Tree newTree = make.Variable(oldModifiers, oldVarTree.getName(), 
            superTypeTree, oldInitTree);
    rewrite(oldVarTree, newTree);
}
 

import javax.lang.model.util.Types; //導入方法依賴的package包/類
@Override
public Tree visitClass(ClassTree node, Element elementToFind) {
    if (workingCopy.getTreeUtilities().isSynthetic(getCurrentPath())) {
        return super.visitClass(node, elementToFind);
    }
    Trees trees = workingCopy.getTrees();
    Types types = workingCopy.getTypes();
    TypeMirror type2 = elementToFind.asType();
    type2 = types.erasure(type2);
    
    if (recursive) {
        TypeMirror type1 = trees.getTypeMirror(getCurrentPath());
        if (type1 != null) {
            type1 = types.erasure(type1);
            if (isSubtype(type1, type2)) {
                addUsage(getCurrentPath());
            }
        }
    } else {
        TypeElement el = (TypeElement) workingCopy.getTrees().getElement(getCurrentPath());
        if (el != null && el.getSuperclass()!=null && types.isSameType(types.erasure(el.getSuperclass()), type2) || containsType(el.getInterfaces(), type2)) {
            addUsage(getCurrentPath());
        }
    }
    return super.visitClass(node, elementToFind);
}
 

import javax.lang.model.util.Types; //導入方法依賴的package包/類
private static boolean isSameType (
        @NonNull Types types,
        @NullAllowed final TypeMirror t1,
        @NonNull final TypeMirror t2,
        final boolean rawType) {
    return t1 == null ||
        types.isSameType(
            t1,
            rawType ? types.erasure(t2) : t2);
}
 

import javax.lang.model.util.Types; //導入方法依賴的package包/類
private static boolean isInTypes(Types types, TypeMirror tm, List<TypeMirror>[] sTypes, int from) {
    if (from >= sTypes.length) {
        return true;
    }
    for (TypeMirror testTM : sTypes[from]) {
        if (types.isSameType(tm, testTM)) {
            return isInTypes(types, tm, sTypes, from + 1);
        }
    }
    return false;
}
 

import javax.lang.model.util.Types; //導入方法依賴的package包/類
private static boolean isValueSpecMarker(
    TypeMirror returnType, ProcessingEnvironment processingEnvironment) {
  Types types = processingEnvironment.getTypeUtils();
  Elements elements = processingEnvironment.getElementUtils();

  return types.isSameType(
      returnType, elements.getTypeElement(dataenum_case.class.getCanonicalName()).asType());
}
 

import javax.lang.model.util.Types; //導入方法依賴的package包/類
public Collection<ErrorDescription> check(JPAProblemContext ctx, HintContext hc, AttributeWrapper attrib) {
    if (attrib.getModelElement() instanceof Version) {
        TreeUtilities treeUtils = ctx.getCompilationInfo().getTreeUtilities();
        Types types = ctx.getCompilationInfo().getTypes();
        TypeMirror attrType = attrib.getType();

        for (String typeName : validVersionTypes) {
            TypeMirror type = treeUtils.parseType(typeName,
                    ctx.getJavaClass());

            if (type != null && types.isSameType(attrType, type)) {
                return null;
            }
        }
        Tree elementTree = ctx.getCompilationInfo().getTrees().getTree(attrib.getJavaElement());

        Utilities.TextSpan underlineSpan = Utilities.getUnderlineSpan(
                ctx.getCompilationInfo(), elementTree);

        ErrorDescription error = ErrorDescriptionFactory.forSpan(
                hc,
                underlineSpan.getStartOffset(),
                underlineSpan.getEndOffset(),
                NbBundle.getMessage(ValidVersionType.class, "MSG_InvalidVersionType"));//TODO: may need to have "error" fo some/ warning for another
        return Collections.singleton(error);

    }

    return null;
}
 

import javax.lang.model.util.Types; //導入方法依賴的package包/類
public boolean isSameRawType(TypeMirror type1, String type2ElementName) {
    TypeElement type2Element = getCompilationInfo().getElements().getTypeElement(type2ElementName);
    if (type2Element != null) {
        Types types = getCompilationInfo().getTypes();
        TypeMirror type2 = types.erasure(type2Element.asType());
        return types.isSameType(types.erasure(type1), type2);
    }
    return false;
}
 

import javax.lang.model.util.Types; //導入方法依賴的package包/類
static AnnotationMirror getMatchingMirror(TypeMirror serviceAnnotationMirror,
                                           List<? extends AnnotationMirror> mirrors,
                                           Types t) {

    for (AnnotationMirror mirror : mirrors) {
        if (t.isSameType(mirror.getAnnotationType().asElement().asType(), serviceAnnotationMirror)) {
            return mirror;
        }
    }
    return null;
}
 

import javax.lang.model.util.Types; //導入方法依賴的package包/類
private boolean isSameType(TypeMirror t1, TypeMirror t2, Types types) {
    if (types.isSameType(t1, t2)) {
        return true;
    }
    if (t1.getKind().isPrimitive() && types.isSameType(types.boxedClass((PrimitiveType)t1).asType(), t2)) {
        return true;
    }
    return t2.getKind().isPrimitive() && types.isSameType(t1, types.boxedClass((PrimitiveType)t1).asType());
}
 

import javax.lang.model.util.Types; //導入方法依賴的package包/類
public static ExecutableElement getOtherSideOfRelation(CompilationController controller, ExecutableElement executableElement, boolean isFieldAccess) {
    TypeMirror passedReturnType = executableElement.getReturnType();
    if (TypeKind.DECLARED != passedReturnType.getKind() || !(passedReturnType instanceof DeclaredType)) {
        return null;
    }
    Types types = controller.getTypes();
    TypeMirror passedReturnTypeStripped = stripCollection((DeclaredType)passedReturnType, types);
    if (passedReturnTypeStripped == null) {
        return null;
    }
    TypeElement passedReturnTypeStrippedElement = (TypeElement) types.asElement(passedReturnTypeStripped);
    
    //try to find a mappedBy annotation element on the possiblyAnnotatedElement
    Element possiblyAnnotatedElement = isFieldAccess ? JpaControllerUtil.guessField(executableElement) : executableElement;
    String mappedBy = null;
    AnnotationMirror persistenceAnnotation = JpaControllerUtil.findAnnotation(possiblyAnnotatedElement, "javax.persistence.OneToOne");  //NOI18N"
    if (persistenceAnnotation == null) {
        persistenceAnnotation = JpaControllerUtil.findAnnotation(possiblyAnnotatedElement, "javax.persistence.OneToMany");  //NOI18N"
    }
    if (persistenceAnnotation == null) {
        persistenceAnnotation = JpaControllerUtil.findAnnotation(possiblyAnnotatedElement, "javax.persistence.ManyToOne");  //NOI18N"
    }
    if (persistenceAnnotation == null) {
        persistenceAnnotation = JpaControllerUtil.findAnnotation(possiblyAnnotatedElement, "javax.persistence.ManyToMany");  //NOI18N"
    }
    if (persistenceAnnotation != null) {
        mappedBy = JpaControllerUtil.findAnnotationValueAsString(persistenceAnnotation, "mappedBy");  //NOI18N
    }
    for (ExecutableElement method : JpaControllerUtil.getEntityMethods(passedReturnTypeStrippedElement)) {
        if (mappedBy != null && mappedBy.length() > 0) {
            String tail = mappedBy.length() > 1 ? mappedBy.substring(1) : "";
            String getterName = "get" + mappedBy.substring(0,1).toUpperCase() + tail;
            if (getterName.equals(method.getSimpleName().toString())) {
                return method;
            }
        }
        else {
            TypeMirror iteratedReturnType = method.getReturnType();
            iteratedReturnType = stripCollection(iteratedReturnType, types);
            TypeMirror executableElementEnclosingType = executableElement.getEnclosingElement().asType();
            if (types.isSameType(executableElementEnclosingType, iteratedReturnType)) {
                return method;
            }
        }
    }
    return null;
}
 

import javax.lang.model.util.Types; //導入方法依賴的package包/類
private Map<String, Object> createBindings(TypeElement clazz, ExecutableElement element) {
    CodeStyle cs = DiffContext.getCodeStyle(copy);       
    Map<String, Object> bindings = new HashMap<>();
    if (clazz != null) {
        bindings.put(CLASS_NAME, clazz.getQualifiedName().toString());
        bindings.put(SIMPLE_CLASS_NAME, clazz.getSimpleName().toString());
    }
    if (element != null) {
        bindings.put(METHOD_NAME, element.getSimpleName().toString());
        bindings.put(METHOD_RETURN_TYPE, element.getReturnType().toString()); //NOI18N
        Object value;
        switch(element.getReturnType().getKind()) {
            case BOOLEAN:
                value = "false"; //NOI18N
                break;
            case BYTE:
            case CHAR:
            case DOUBLE:
            case FLOAT:
            case INT:
            case LONG:
            case SHORT:
                value = 0;
                break;
            default:
                value = "null"; //NOI18N
        }
        bindings.put(DEFAULT_RETURN_TYPE_VALUE, value);
    }
    if (clazz != null && element != null) {
        StringBuilder sb = new StringBuilder();
        if (element.isDefault() && element.getEnclosingElement().getKind().isInterface()) {
            Types types = copy.getTypes();
            Context ctx = ((JavacTaskImpl) copy.impl.getJavacTask()).getContext();
            com.sun.tools.javac.code.Types typesImpl = com.sun.tools.javac.code.Types.instance(ctx);
            TypeMirror enclType = typesImpl.asSuper((Type)clazz.asType(), ((Type)element.getEnclosingElement().asType()).tsym);
            if (!types.isSubtype(clazz.getSuperclass(), enclType)) {
                TypeMirror selected = enclType;
                for (TypeMirror iface : clazz.getInterfaces()) {
                    if (types.isSubtype(iface, selected) &&
                        !types.isSameType(iface, enclType)) {
                        selected = iface;
                        break;
                    }
                }
                sb.append(((DeclaredType)selected).asElement().getSimpleName()).append('.');
            }
        }
        sb.append("super.").append(element.getSimpleName()).append('('); //NOI18N
        for (Iterator<? extends VariableElement> it = element.getParameters().iterator(); it.hasNext();) {
            VariableElement ve = it.next();
            sb.append(addParamPrefixSuffix(removeParamPrefixSuffix(ve, cs), cs));
            if (it.hasNext())
                sb.append(","); //NOI18N
        }
        sb.append(')'); //NOI18N
        bindings.put(SUPER_METHOD_CALL, sb);
    }
    return bindings;
}