1/**
2 * Copyright (c) 2008, http://www.snakeyaml.org
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, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16package examples.resolver;
17
18import java.util.regex.Pattern;
19
20import org.yaml.snakeyaml.nodes.Tag;
21import org.yaml.snakeyaml.resolver.Resolver;
22
23public class CustomIntResolver extends Resolver {
24    public static final Pattern PURE_INT = Pattern.compile("^[0-9]+$");
25
26    /*
27     * do not resolve int if it has underscores
28     */
29    protected void addImplicitResolvers() {
30        addImplicitResolver(Tag.BOOL, BOOL, "yYnNtTfFoO");
31        addImplicitResolver(Tag.FLOAT, FLOAT, "-+0123456789.");
32        // define simple int pattern
33        addImplicitResolver(Tag.INT, PURE_INT, "0123456789");
34        addImplicitResolver(Tag.MERGE, MERGE, "<");
35        addImplicitResolver(Tag.NULL, NULL, "~nN\0");
36        addImplicitResolver(Tag.NULL, EMPTY, null);
37        addImplicitResolver(Tag.TIMESTAMP, TIMESTAMP, "0123456789");
38    }
39}
40