1 /*
2 * Copyright 2012-2025 CodeLibs Project and the Others.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
13 * either express or implied. See the License for the specific language
14 * governing permissions and limitations under the License.
15 */
16 package org.codelibs.fess.app.service;
17
18 /**
19 * Abstract base class for Fess application services.
20 * This class provides common functionality and utilities for service implementations
21 * throughout the Fess search application.
22 */
23 public abstract class FessAppService {
24
25 /**
26 * Default constructor.
27 */
28 public FessAppService() {
29 // Default constructor
30 }
31
32 /**
33 * Wraps a query string with wildcard characters to enable partial matching.
34 * This method ensures that the query string is surrounded by asterisks (*)
35 * to support prefix and suffix matching in search operations.
36 *
37 * @param query the query string to wrap with wildcards
38 * @return the wrapped query string with leading and trailing asterisks
39 */
40 protected static String wrapQuery(final String query) {
41 final StringBuilder sb = new StringBuilder();
42 if (!query.startsWith("*")) {
43 sb.append("*");
44 }
45 sb.append(query);
46 if (!query.endsWith("*")) {
47 sb.append("*");
48 }
49 return sb.toString();
50 }
51
52 }