package com.megatim.fdxcommons.tools.utils;
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import com.megatim.fdxcommons.model.enumeration.TypeDonnee;
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import com.megatim.fdxcommons.model.search.SearchColumn;
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import java.lang.reflect.Field;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Collection;
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import java.util.List;
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import java.util.Map;
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import java.util.Optional;
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import javax.persistence.EnumType;
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import javax.persistence.Enumerated;
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import org.apache.poi.ss.formula.functions.T;
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import com.megatim.fdxcommons.model.search.CriteriaEntitySearch;
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/**
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*
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* @author Gabuntu
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*/
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public class SearchColumnUtil {
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private SearchColumnUtil() {
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}
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public static List<SearchColumn> getSearchColumns(Class<T> classe) {
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List<SearchColumn> searchColumns = new ArrayList<>();
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List<Field> fields = Arrays.asList(classe.getDeclaredFields());
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for (Field f : fields) {
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CriteriaEntitySearch searchAnn = f.getAnnotation(CriteriaEntitySearch.class);
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if (searchAnn != null) {
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SearchColumn searchColumn = new SearchColumn();
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searchColumn.setLibelle(searchAnn.libelle());
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TypeDonnee typeDonnee = getTypeDonnee(f, searchAnn);
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if (typeDonnee != null) {
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searchColumn.setTypeDonnee(typeDonnee);
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searchColumns.add(searchColumn);
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}
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}
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}
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return searchColumns;
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}
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public static TypeDonnee getTypeDonnee(Field field, CriteriaEntitySearch searchAnn) {
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Class<?> fieldClass = field.getType();
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TypeDonnee typeDonnee = null;
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if (fieldClass.isPrimitive()) {
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typeDonnee = SqlUtilities.typeDonneeFromJavaClass(fieldClass);
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} else if (fieldClass.isEnum()) {
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Enumerated enumerated = field.getAnnotation(Enumerated.class);
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typeDonnee = enumerated == null || enumerated.value().equals(EnumType.ORDINAL) ? TypeDonnee.NUMERIQUE : TypeDonnee.ALPHANUMERIQUE;
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} else if (!fieldClass.isInterface() && !Collection.class.isAssignableFrom(fieldClass) && !Map.class.isAssignableFrom(fieldClass)) {
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String[] fieldPath = searchAnn.fieldName().split("\\.");
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if (fieldPath.length < 2) {
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typeDonnee = SqlUtilities.typeDonneeFromJavaClass(fieldClass);
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} else {
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typeDonnee = SqlUtilities.typeDonneeFromJavaClass(getFieldType(fieldClass, Arrays.copyOfRange(fieldPath, 1, fieldPath.length)));
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}
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}
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return typeDonnee;
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}
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public static Class<?> getFieldType(Class<?> classe, String[] fieldPath) {
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String fieldName = fieldPath[0];
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List<Field> fields = Arrays.asList(classe.getDeclaredFields());
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Optional<Field> optField = fields.stream().filter(f -> f.getName().equals(fieldName)).findFirst();
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if (optField.isPresent()) {
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Field field = optField.get();
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if (fieldPath.length == 1) {
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return field.getType();
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} else {
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return getFieldType(field.getType(), Arrays.copyOfRange(fieldPath, 1, fieldPath.length));
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}
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} else {
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return null;
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}
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}
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}
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