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- /*
- * Copyright 2000-2016 Vaadin Ltd.
- *
- * 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 com.vaadin.v7.data.util.sqlcontainer.query.generator.filter;
-
- import java.io.Serializable;
- import java.util.ArrayList;
- import java.util.Collection;
- import java.util.List;
-
- import com.vaadin.v7.data.Container.Filter;
- import com.vaadin.v7.data.util.sqlcontainer.query.generator.StatementHelper;
-
- /**
- * @deprecated As of 8.0, no replacement available.
- */
- @Deprecated
- public class QueryBuilder implements Serializable {
-
- private static ArrayList<FilterTranslator> filterTranslators = new ArrayList<FilterTranslator>();
- private static StringDecorator stringDecorator = new StringDecorator("\"",
- "\"");
-
- static {
- /* Register all default filter translators */
- addFilterTranslator(new AndTranslator());
- addFilterTranslator(new OrTranslator());
- addFilterTranslator(new LikeTranslator());
- addFilterTranslator(new BetweenTranslator());
- addFilterTranslator(new CompareTranslator());
- addFilterTranslator(new NotTranslator());
- addFilterTranslator(new IsNullTranslator());
- addFilterTranslator(new SimpleStringTranslator());
- }
-
- public static synchronized void addFilterTranslator(
- FilterTranslator translator) {
- filterTranslators.add(translator);
- }
-
- /**
- * Allows specification of a custom ColumnQuoter instance that handles
- * quoting of column names for the current DB dialect.
- *
- * @param decorator
- * the ColumnQuoter instance to use.
- */
- public static void setStringDecorator(StringDecorator decorator) {
- stringDecorator = decorator;
- }
-
- public static String quote(Object str) {
- return stringDecorator.quote(str);
- }
-
- public static String group(String str) {
- return stringDecorator.group(str);
- }
-
- /**
- * Constructs and returns a string representing the filter that can be used
- * in a WHERE clause.
- *
- * @param filter
- * the filter to translate
- * @param sh
- * the statement helper to update with the value(s) of the filter
- * @return a string representing the filter.
- */
- public static synchronized String getWhereStringForFilter(Filter filter,
- StatementHelper sh) {
- for (FilterTranslator ft : filterTranslators) {
- if (ft.translatesFilter(filter)) {
- return ft.getWhereStringForFilter(filter, sh);
- }
- }
- return "";
- }
-
- public static String getJoinedFilterString(Collection<Filter> filters,
- String joinString, StatementHelper sh) {
- StringBuilder result = new StringBuilder();
- for (Filter f : filters) {
- result.append(getWhereStringForFilter(f, sh));
- result.append(" ").append(joinString).append(" ");
- }
- // Remove the last instance of joinString
- result.delete(result.length() - joinString.length() - 2,
- result.length());
- return result.toString();
- }
-
- public static String getWhereStringForFilters(List<Filter> filters,
- StatementHelper sh) {
- if (filters == null || filters.isEmpty()) {
- return "";
- }
- StringBuilder where = new StringBuilder(" WHERE ");
- where.append(getJoinedFilterString(filters, "AND", sh));
- return where.toString();
- }
- }
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