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Example 1 with FieldDefinition

use of org.kie.workbench.common.forms.adf.definitions.annotations.metaModel.FieldDefinition in project kie-wb-common by kiegroup.

the class FormDefinitionsProcessor method processFieldDefinition.

private void processFieldDefinition(TypeElement fieldDefinitionElement) throws Exception {
    final Messager messager = processingEnv.getMessager();
    messager.printMessage(Diagnostic.Kind.NOTE, "Discovered FieldDefinition class [" + fieldDefinitionElement.getSimpleName() + "]");
    Collection<FieldInfo> fieldInfos = extractFieldInfos(fieldDefinitionElement, null);
    String modelClassName = fieldDefinitionElement.getQualifiedName().toString();
    String fieldModifierName = fixClassName(modelClassName) + "_FieldStatusModifier";
    Map<String, String> fieldDefinition = new HashMap<>();
    fieldDefinition.put("className", modelClassName);
    fieldDefinition.put("fieldModifierName", fieldModifierName);
    Map<String, Object> templateContext = new HashMap<>();
    templateContext.put("modelClassName", modelClassName);
    templateContext.put("fieldModifierName", fieldModifierName);
    FieldDefinition fieldDefinitionAnnotation = fieldDefinitionElement.getAnnotation(FieldDefinition.class);
    for (FieldInfo fieldInfo : fieldInfos) {
        AnnotationMirror annotation = GeneratorUtils.getAnnotation(elementUtils, fieldInfo.fieldElement, FieldValue.class.getName());
        if (annotation != null) {
            if (fieldDefinition.containsKey("value")) {
                throw new Exception("Problem processing FieldDefinition [" + modelClassName + "]: it should have only one @FieldValue");
            }
            if (fieldInfo.getter == null || fieldInfo.setter == null) {
                throw new Exception("Problem processing FieldDefinition [" + modelClassName + "]: field marked as @FieldValue should have setter & getter");
            }
            fieldDefinition.put("value", fieldInfo.fieldElement.getSimpleName().toString());
        } else {
            annotation = GeneratorUtils.getAnnotation(elementUtils, fieldInfo.fieldElement, FieldReadOnly.class.getName());
            if (annotation != null) {
                if (templateContext.containsKey("readOnly")) {
                    throw new Exception("Problem processing FieldDefinition [" + modelClassName + "]: it should have only one @FieldReadOnly");
                }
                if (!fieldInfo.fieldElement.asType().getKind().equals(TypeKind.BOOLEAN) && !fieldInfo.fieldElement.asType().toString().equals(Boolean.class.getName())) {
                    throw new Exception("Problem processing FieldDefinition [" + modelClassName + "]: field marked as @FieldReadOnly must be boolean or Boolean");
                }
                if (fieldInfo.getter == null) {
                    throw new Exception("Problem processing FieldDefinition [" + modelClassName + "]: field marked as @FieldReadOnly should have getter");
                }
                templateContext.put("readOnly", fieldInfo.getter);
            }
            annotation = GeneratorUtils.getAnnotation(elementUtils, fieldInfo.fieldElement, FieldRequired.class.getName());
            if (annotation != null) {
                if (templateContext.containsKey("required")) {
                    throw new Exception("Problem processing FieldDefinition [" + modelClassName + "]: it should have only one @FieldRequired");
                }
                if (!fieldInfo.fieldElement.asType().getKind().equals(TypeKind.BOOLEAN) && !fieldInfo.fieldElement.asType().toString().equals(Boolean.class.getName())) {
                    throw new Exception("Problem processing FieldDefinition [" + modelClassName + "]: field marked as @FieldRequired must be boolean or Boolean");
                }
                if (fieldInfo.getter == null) {
                    throw new Exception("Problem processing FieldDefinition [" + modelClassName + "]: field marked as @FieldRequired should have getter");
                }
                templateContext.put("required", fieldInfo.getter);
            }
            if (fieldDefinitionAnnotation.i18nMode().equals(I18nMode.OVERRIDE)) {
                annotation = GeneratorUtils.getAnnotation(elementUtils, fieldInfo.fieldElement, FieldLabel.class.getName());
                if (annotation != null) {
                    if (templateContext.containsKey("label")) {
                        throw new Exception("Problem processing FieldDefinition [" + modelClassName + "]: it should have only one @FieldLabel");
                    }
                    if (!fieldInfo.fieldElement.asType().toString().equals(String.class.getName())) {
                        throw new Exception("Problem processing FieldDefinition [" + modelClassName + "]: field marked as @FieldLabel must be a String");
                    }
                    if (fieldInfo.getter == null) {
                        throw new Exception("Problem processing FieldDefinition [" + modelClassName + "]: field marked as @FieldLabel should have getter");
                    }
                    templateContext.put("label", fieldInfo.getter);
                }
                annotation = GeneratorUtils.getAnnotation(elementUtils, fieldInfo.fieldElement, FieldHelp.class.getName());
                if (annotation != null) {
                    if (templateContext.containsKey("helpMessage")) {
                        throw new Exception("Problem processing FieldDefinition [" + modelClassName + "]: it has more than one field marked as @FieldHelp");
                    }
                    if (!fieldInfo.fieldElement.asType().toString().equals(String.class.getName())) {
                        throw new Exception("Problem processing FieldDefinition [" + modelClassName + "]: field marked as @FieldHelp must be a String");
                    }
                    if (fieldInfo.getter == null) {
                        throw new Exception("Problem processing FieldDefinition [" + modelClassName + "]: field marked as @FieldHelp should have getter");
                    }
                    templateContext.put("helpMessage", fieldInfo.getter);
                }
            }
        }
    }
    StringBuffer source = writeTemplate("templates/FieldDefinitionModifier.ftl", templateContext);
    fieldDefinition.put("sourceCode", source.toString());
    context.getFieldDefinitions().add(fieldDefinition);
}
Also used : Messager(javax.annotation.processing.Messager) HashMap(java.util.HashMap) FieldDefinition(org.kie.workbench.common.forms.adf.definitions.annotations.metaModel.FieldDefinition) MirroredTypeException(javax.lang.model.type.MirroredTypeException) GenerationException(org.uberfire.annotations.processors.exceptions.GenerationException) TemplateException(freemarker.template.TemplateException) IOException(java.io.IOException) AnnotationMirror(javax.lang.model.element.AnnotationMirror) FieldValue(org.kie.workbench.common.forms.adf.definitions.annotations.metaModel.FieldValue)

Example 2 with FieldDefinition

use of org.kie.workbench.common.forms.adf.definitions.annotations.metaModel.FieldDefinition in project kie-wb-common by kiegroup.

the class FormDefinitionsProcessor method extracFormFields.

private List<Map<String, String>> extracFormFields(TypeElement type, FieldPolicy policy, I18nSettings i18nSettings) throws Exception {
    final Elements elementUtils = processingEnv.getElementUtils();
    Collection<FieldInfo> fieldInfos = extractFieldInfos(type, fieldElement -> {
        if (policy.equals(FieldPolicy.ALL)) {
            AnnotationMirror annotation = GeneratorUtils.getAnnotation(elementUtils, fieldElement, SkipFormField.class.getName());
            if (annotation != null) {
                return false;
            }
        } else {
            AnnotationMirror annotation = GeneratorUtils.getAnnotation(elementUtils, fieldElement, FormField.class.getName());
            if (annotation == null) {
                return false;
            }
        }
        return true;
    });
    List<Map<String, String>> elementsSettings = new ArrayList<>();
    for (FieldInfo fieldInfo : fieldInfos) {
        if (fieldInfo.getter != null && fieldInfo.setter != null) {
            String fieldName = fieldInfo.fieldElement.getSimpleName().toString();
            String fieldLabel = fieldName;
            String helpMessage = "";
            String binding = fieldName;
            String methodName = "getFormElement_" + fieldName;
            Map<String, Object> elementContext = new HashMap<>();
            boolean isList = false;
            org.kie.workbench.common.forms.model.TypeKind typeKind = org.kie.workbench.common.forms.model.TypeKind.BASE;
            boolean overrideI18n = false;
            TypeMirror finalType = fieldInfo.fieldElement.asType();
            String fieldModifier = "";
            if (finalType instanceof DeclaredType) {
                Element finalTypeElement = processingEnv.getTypeUtils().asElement(finalType);
                if (finalTypeElement.getKind().equals(ElementKind.CLASS)) {
                    FieldDefinition fieldDefinitionAnnotation = finalTypeElement.getAnnotation(FieldDefinition.class);
                    if (fieldDefinitionAnnotation != null) {
                        // Override the using the i18n mechanism
                        if (fieldDefinitionAnnotation.i18nMode().equals(I18nMode.OVERRIDE_I18N_KEY)) {
                            fieldLabel = finalType.toString() + i18nSettings.separator() + fieldDefinitionAnnotation.labelKeySuffix();
                            Collection<FieldInfo> labelInfos = extractFieldInfos((TypeElement) finalTypeElement, fieldElement -> fieldElement.getAnnotation(FieldLabel.class) != null);
                            if (labelInfos != null && labelInfos.size() == 1) {
                                FieldInfo labelInfo = labelInfos.iterator().next();
                                fieldLabel = finalType.toString() + i18nSettings.separator() + labelInfo.fieldElement.getSimpleName();
                            }
                            helpMessage = finalType.toString() + i18nSettings.separator() + fieldDefinitionAnnotation.helpMessageKeySuffix();
                            Collection<FieldInfo> helpMessages = extractFieldInfos((TypeElement) finalTypeElement, fieldElement -> fieldElement.getAnnotation(FieldHelp.class) != null);
                            if (helpMessages != null && helpMessages.size() == 1) {
                                FieldInfo helpInfo = helpMessages.iterator().next();
                                helpMessage = finalType.toString() + i18nSettings.separator() + helpInfo.fieldElement.getSimpleName();
                            }
                        }
                        Collection<FieldInfo> fieldValue = extractFieldInfos((TypeElement) finalTypeElement, fieldElement -> fieldElement.getAnnotation(FieldValue.class) != null);
                        if (fieldValue == null || fieldValue.size() != 1) {
                            throw new Exception("Problem processing FieldDefinition [" + finalType + "]: it should have one field marked as @FieldValue");
                        }
                        FieldInfo valueInfo = fieldValue.iterator().next();
                        binding += "." + valueInfo.getFieldElement().getSimpleName();
                        fieldModifier = fixClassName(finalType.toString()) + "_FieldStatusModifier";
                        finalType = valueInfo.getFieldElement().asType();
                        overrideI18n = !fieldDefinitionAnnotation.i18nMode().equals(I18nMode.DONT_OVERRIDE);
                    } else {
                        FormDefinition formDefinitionAnnotation = finalTypeElement.getAnnotation(FormDefinition.class);
                        if (formDefinitionAnnotation != null) {
                            fieldLabel = finalType.toString() + i18nSettings.separator() + FieldDefinition.LABEL;
                            Collection<FieldInfo> labelInfos = extractFieldInfos((TypeElement) finalTypeElement, fieldElement -> fieldElement.getAnnotation(FieldLabel.class) != null);
                            if (labelInfos != null && labelInfos.size() == 1) {
                                FieldInfo labelInfo = labelInfos.iterator().next();
                                fieldLabel = finalType.toString() + i18nSettings.separator() + labelInfo.fieldElement.getSimpleName();
                                overrideI18n = true;
                            }
                            helpMessage = finalType.toString() + i18nSettings.separator() + FieldDefinition.HELP_MESSAGE;
                            Collection<FieldInfo> helpMessages = extractFieldInfos((TypeElement) finalTypeElement, fieldElement -> fieldElement.getAnnotation(FieldHelp.class) != null);
                            if (helpMessages != null && helpMessages.size() == 1) {
                                FieldInfo helpInfo = helpMessages.iterator().next();
                                helpMessage = finalType.toString() + i18nSettings.separator() + helpInfo.fieldElement.getSimpleName();
                                overrideI18n = true;
                            }
                            typeKind = org.kie.workbench.common.forms.model.TypeKind.OBJECT;
                        }
                    }
                }
                DeclaredType fieldType = (DeclaredType) finalType;
                if (processingEnv.getTypeUtils().isAssignable(fieldType.asElement().asType(), listType)) {
                    if (fieldType.getTypeArguments().size() != 1) {
                        throw new IllegalArgumentException("Impossible to generate a field for type " + fieldType.toString() + ". Type should have one and only one Type arguments.");
                    }
                    isList = true;
                    finalType = fieldType.getTypeArguments().get(0);
                    if (FormModelPropertiesUtil.isBaseType(finalType.toString())) {
                        typeKind = org.kie.workbench.common.forms.model.TypeKind.BASE;
                    } else if (elementUtils.getTypeElement(finalType.toString()).getSuperclass().toString().startsWith("java.lang.Enum")) {
                        typeKind = org.kie.workbench.common.forms.model.TypeKind.ENUM;
                    } else {
                        typeKind = org.kie.workbench.common.forms.model.TypeKind.OBJECT;
                    }
                } else if (elementUtils.getTypeElement(finalType.toString()).getSuperclass().toString().startsWith("java.lang.Enum")) {
                    typeKind = org.kie.workbench.common.forms.model.TypeKind.ENUM;
                }
            }
            elementContext.put("formModel", type.getQualifiedName().toString());
            elementContext.put("methodName", methodName);
            elementContext.put("fieldName", fieldName);
            elementContext.put("binding", binding);
            elementContext.put("type", typeKind.toString());
            elementContext.put("className", finalType.toString());
            elementContext.put("isList", String.valueOf(isList));
            elementContext.put("fieldModifier", fieldModifier);
            Map<String, String> params = new HashMap<>();
            elementContext.put("params", params);
            String afterElement = "";
            FormField settings = fieldInfo.fieldElement.getAnnotation(FormField.class);
            if (settings != null) {
                String typeName;
                try {
                    typeName = settings.type().getName();
                } catch (MirroredTypeException exception) {
                    typeName = exception.getTypeMirror().toString();
                }
                if (StringUtils.isEmpty(typeName)) {
                    typeName = FieldType.class.getName();
                }
                afterElement = settings.afterElement();
                elementContext.put("preferredType", typeName);
                if (!overrideI18n && !isEmpty(settings.labelKey())) {
                    fieldLabel = settings.labelKey();
                }
                if (!overrideI18n && !isEmpty(settings.helpMessageKey())) {
                    helpMessage = settings.helpMessageKey();
                }
                elementContext.put("required", Boolean.valueOf(settings.required()).toString());
                elementContext.put("readOnly", Boolean.valueOf(settings.readonly()).toString());
                for (FieldParam fieldParam : settings.settings()) {
                    params.put(fieldParam.name(), fieldParam.value());
                }
                elementContext.put("wrap", Boolean.valueOf(settings.layoutSettings().wrap()).toString());
                elementContext.put("horizontalSpan", String.valueOf(settings.layoutSettings().horizontalSpan()));
                elementContext.put("verticalSpan", String.valueOf(settings.layoutSettings().verticalSpan()));
            } else {
                elementContext.put("preferredType", FieldType.class.getName());
                elementContext.put("required", Boolean.FALSE.toString());
                elementContext.put("readOnly", Boolean.FALSE.toString());
                elementContext.put("wrap", Boolean.FALSE.toString());
                elementContext.put("horizontalSpan", "1");
                elementContext.put("verticalSpan", "1");
            }
            if (!overrideI18n) {
                if (!isEmpty(i18nSettings.keyPreffix())) {
                    fieldLabel = i18nSettings.keyPreffix() + i18nSettings.separator() + fieldLabel;
                    helpMessage = i18nSettings.keyPreffix() + i18nSettings.separator() + helpMessage;
                }
            }
            elementContext.put("labelKey", fieldLabel);
            elementContext.put("helpMessageKey", helpMessage);
            elementContext.put("afterElement", afterElement);
            extractFieldExtraSettings(elementContext, fieldInfo.fieldElement);
            StringBuffer methodCode = writeTemplate("templates/FieldElement.ftl", elementContext);
            Map<String, String> fieldSettings = new HashMap<>();
            fieldSettings.put("elementName", fieldName);
            fieldSettings.put("afterElement", afterElement);
            fieldSettings.put("methodName", methodName);
            fieldSettings.put("method", methodCode.toString());
            elementsSettings.add(fieldSettings);
        }
    }
    return elementsSettings;
}
Also used : FieldParam(org.kie.workbench.common.forms.adf.definitions.annotations.FieldParam) HashMap(java.util.HashMap) TypeElement(javax.lang.model.element.TypeElement) Element(javax.lang.model.element.Element) PackageElement(javax.lang.model.element.PackageElement) VariableElement(javax.lang.model.element.VariableElement) ExecutableElement(javax.lang.model.element.ExecutableElement) FieldDefinition(org.kie.workbench.common.forms.adf.definitions.annotations.metaModel.FieldDefinition) ArrayList(java.util.ArrayList) Elements(javax.lang.model.util.Elements) MirroredTypeException(javax.lang.model.type.MirroredTypeException) TypeMirror(javax.lang.model.type.TypeMirror) FormDefinition(org.kie.workbench.common.forms.adf.definitions.annotations.FormDefinition) SkipFormField(org.kie.workbench.common.forms.adf.definitions.annotations.SkipFormField) FormField(org.kie.workbench.common.forms.adf.definitions.annotations.FormField) SkipFormField(org.kie.workbench.common.forms.adf.definitions.annotations.SkipFormField) MirroredTypeException(javax.lang.model.type.MirroredTypeException) GenerationException(org.uberfire.annotations.processors.exceptions.GenerationException) TemplateException(freemarker.template.TemplateException) IOException(java.io.IOException) FieldType(org.kie.workbench.common.forms.model.FieldType) AnnotationMirror(javax.lang.model.element.AnnotationMirror) Map(java.util.Map) HashMap(java.util.HashMap) DeclaredType(javax.lang.model.type.DeclaredType)

Aggregations

TemplateException (freemarker.template.TemplateException)2 IOException (java.io.IOException)2 HashMap (java.util.HashMap)2 AnnotationMirror (javax.lang.model.element.AnnotationMirror)2 MirroredTypeException (javax.lang.model.type.MirroredTypeException)2 FieldDefinition (org.kie.workbench.common.forms.adf.definitions.annotations.metaModel.FieldDefinition)2 GenerationException (org.uberfire.annotations.processors.exceptions.GenerationException)2 ArrayList (java.util.ArrayList)1 Map (java.util.Map)1 Messager (javax.annotation.processing.Messager)1 Element (javax.lang.model.element.Element)1 ExecutableElement (javax.lang.model.element.ExecutableElement)1 PackageElement (javax.lang.model.element.PackageElement)1 TypeElement (javax.lang.model.element.TypeElement)1 VariableElement (javax.lang.model.element.VariableElement)1 DeclaredType (javax.lang.model.type.DeclaredType)1 TypeMirror (javax.lang.model.type.TypeMirror)1 Elements (javax.lang.model.util.Elements)1 FieldParam (org.kie.workbench.common.forms.adf.definitions.annotations.FieldParam)1 FormDefinition (org.kie.workbench.common.forms.adf.definitions.annotations.FormDefinition)1