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  */
16 package examples.resolver;
17 
18 import java.util.regex.Pattern;
19 
20 import org.yaml.snakeyaml.nodes.Tag;
21 import org.yaml.snakeyaml.resolver.Resolver;
22 
23 public 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      */
addImplicitResolvers()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