| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 org.apache.commons.text.lookup; |
| |
| /** |
| * A default lookup for others to extend in this package. |
| * |
| * @since 1.3 |
| */ |
| abstract class AbstractStringLookup implements StringLookup { |
| |
| |
| /** |
| * The empty string. |
| */ |
| private static final String EMPTY = ""; |
| |
| /** |
| * The default split char. |
| */ |
| protected static final char SPLIT_CH = ':'; |
| |
| /** |
| * The default split string. |
| */ |
| protected static final String SPLIT_STR = String.valueOf(SPLIT_CH); |
| |
| /** |
| * Returns the substring after the first occurrence of <code>ch</code> in <code>value</code>. |
| * |
| * @param value |
| * The source string. |
| * @param ch |
| * The character to search. |
| * @return a new string. |
| */ |
| protected String substringAfter(final String value, final char ch) { |
| final int indexOf = value.indexOf(ch); |
| return indexOf > -1 ? value.substring(indexOf + 1) : EMPTY; |
| } |
| |
| /** |
| * Returns the substring after the first occurrence of <code>ch</code> in <code>value</code>. |
| * |
| * @param value |
| * The source string. |
| * @param ch |
| * The character to search. |
| * @return a new string. |
| */ |
| protected String substringAfterLast(final String value, final char ch) { |
| final int indexOf = value.lastIndexOf(ch); |
| return indexOf > -1 ? value.substring(indexOf + 1) : EMPTY; |
| } |
| |
| /** |
| * Returns the substring after the first occurrence of <code>str</code> in <code>value</code>. |
| * |
| * @param value |
| * The source string. |
| * @param str |
| * The string to search. |
| * @return a new string. |
| */ |
| protected String substringAfter(final String value, final String str) { |
| final int indexOf = value.indexOf(str); |
| return indexOf > -1 ? value.substring(indexOf + str.length()) : EMPTY; |
| } |
| } |